1 | #*---------------------------------------------------------------------- |
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2 | * File containg models of columns: distillation, stripping, absorbers |
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3 | * rectifier, .... |
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4 | * |
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5 | * The default nomenclature is: |
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6 | * Type_Column_reboilertype_condensertyper |
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7 | * |
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8 | * where: |
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9 | * Type = refluxed or reboiled or section |
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10 | * Column = Stripping, Absorption, Rectifier, Distillation |
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11 | * Reboiler type (if exists) = kettle or thermosyphon |
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12 | * Condenser type (if exists) = with subccoling or without subcooling |
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13 | * |
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14 | *----------------------------------------------------------------------- |
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15 | * Author: Paula B. Staudt |
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16 | * $Id: column.mso 46 2006-11-07 16:47:55Z paula $ |
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17 | *---------------------------------------------------------------------*# |
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18 | |
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19 | using "tray"; |
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20 | using "reboiler"; |
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21 | using "condenser"; |
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22 | using "mixers_splitters/splitter"; |
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23 | using "mixers_splitters/mixer"; |
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24 | using "tank"; |
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25 | using "pressure_changers/pump"; |
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26 | |
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27 | #*---------------------------------------------------------------------- |
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28 | * Model of a column section with: |
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29 | * - NTrays=number of trays trays. |
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30 | * |
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31 | *---------------------------------------------------------------------*# |
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32 | Model Section_Column |
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33 | PARAMETERS |
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34 | ext PP as CalcObject; |
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35 | ext NComp as Integer; |
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36 | NTrays as Integer(Brief="Number of trays", Default=2); |
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37 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
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38 | top as Integer(Brief="Number of top tray"); |
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39 | bot as Integer(Brief="Number of bottom tray"); |
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40 | |
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41 | SET |
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42 | top = (NTrays-1)*(1-topdown)/2+1; |
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43 | bot = NTrays/top; |
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44 | |
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45 | VARIABLES |
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46 | trays(NTrays) as tray; |
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47 | |
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48 | EQUATIONS |
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49 | "Pressure Drop through the tray" |
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50 | trays([top:topdown:bot]).OutletV.F = (1 + tanh(1 * |
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51 | (trays([top:topdown:bot]).OutletV.P - |
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52 | trays([top:topdown:bot]).InletL.P)/"Pa"))/2 * |
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53 | trays([top:topdown:bot]).Ah/trays([top:topdown:bot]).vV * |
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54 | sqrt(2*(trays([top:topdown:bot]).OutletV.P - |
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55 | trays([top:topdown:bot]).InletL.P + 1e-8 * "atm") / |
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56 | (trays([top:topdown:bot]).alfa*trays([top:topdown:bot]).rhoV)); |
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57 | |
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58 | CONNECTIONS |
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59 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
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60 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
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61 | end |
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62 | |
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63 | |
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64 | #*---------------------------------------------------------------------- |
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65 | * Model of a distillation column containing: |
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66 | * - NTrays like tray; |
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67 | * - a kettle reboiler; |
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68 | * - dymamic condenser; |
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69 | * - a splitter which separate reflux and distillate; |
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70 | * - a pump in reflux stream; |
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71 | *---------------------------------------------------------------------*# |
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72 | Model Distillation_kettle_cond |
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73 | PARAMETERS |
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74 | ext PP as CalcObject; |
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75 | ext NComp as Integer; |
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76 | NTrays as Integer(Brief="Number of trays", Default=2); |
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77 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
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78 | top as Integer(Brief="Number of top tray"); |
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79 | bot as Integer(Brief="Number of bottom tray"); |
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80 | |
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81 | SET |
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82 | top = (NTrays-1)*(1-topdown)/2+1; |
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83 | bot = NTrays/top; |
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84 | |
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85 | VARIABLES |
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86 | trays(NTrays) as tray; |
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87 | cond as condenser; |
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88 | reb as reboiler; |
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89 | sptop as splitter; |
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90 | pump1 as pump; |
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91 | |
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92 | EQUATIONS |
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93 | if (reb.OutletV.P > reb.InletL.P) then |
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94 | "Pressure Drop through the reboiler" |
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95 | reb.OutletV.F = trays(bot).Ah/reb.vV * sqrt((reb.OutletV.P - trays(bot).OutletL.P) |
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96 | / (trays(bot).beta*reb.rhoV) ); |
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97 | else |
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98 | "No flow in reboiler" |
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99 | reb.OutletV.F = 0.0 * "mol/s"; |
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100 | end |
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101 | |
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102 | "Pressure Drop through the tray" |
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103 | trays(top).OutletV.F = (1 + tanh(1 * (trays(top).OutletV.P - cond.OutletL.P)/"Pa"))/2 * |
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104 | trays(top).Ah/trays(top).vV * sqrt(2*(trays(top).OutletV.P - |
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105 | cond.OutletL.P + 1e-8 * "atm") / (trays(top).alfa*trays(top).rhoV)); |
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106 | |
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107 | trays([top+topdown:topdown:bot]).OutletV.F = (1 + tanh(1 * |
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108 | (trays([top+topdown:topdown:bot]).OutletV.P - |
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109 | trays([top+topdown:topdown:bot]).InletL.P)/"Pa"))/2 * |
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110 | trays([top+topdown:topdown:bot]).Ah/trays([top+topdown:topdown:bot]).vV * |
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111 | sqrt(2*(trays([top+topdown:topdown:bot]).OutletV.P - |
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112 | trays([top+topdown:topdown:bot]).InletL.P + 1e-8 * "atm") / |
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113 | (trays([top+topdown:topdown:bot]).alfa*trays([top+topdown:topdown:bot]).rhoV)); |
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114 | |
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115 | CONNECTIONS |
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116 | #vapor |
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117 | reb.OutletV to trays(bot).InletV; |
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118 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
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119 | trays(top).OutletV to cond.InletV; |
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120 | |
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121 | #liquid |
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122 | cond.OutletL to sptop.Inlet; |
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123 | sptop.Outlet2 to pump1.Inlet; |
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124 | pump1.Outlet to trays(top).InletL; |
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125 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
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126 | trays(bot).OutletL to reb.InletL; |
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127 | end |
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128 | |
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129 | |
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130 | #* ------------------------------------------------------------------- |
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131 | * Distillation Column model with: |
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132 | * |
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133 | * - NTrays like tray; |
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134 | * - a vessel in the bottom of column; |
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135 | * - a splitter who separate the bottom product and the stream to reboiler; |
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136 | * - steady state reboiler (thermosyphon); |
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137 | * - a steady state condenser with subcooling; |
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138 | * - a vessel drum (layed cilinder); |
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139 | * - a splitter which separate reflux and distillate; |
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140 | * - a pump in reflux stream. |
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141 | * |
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142 | * ------------------------------------------------------------------*# |
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143 | Model Distillation_thermosyphon_subcooling |
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144 | PARAMETERS |
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145 | ext PP as CalcObject; |
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146 | ext NComp as Integer; |
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147 | NTrays as Integer(Brief="Number of trays", Default=2); |
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148 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
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149 | top as Integer(Brief="Number of top tray"); |
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150 | bot as Integer(Brief="Number of bottom tray"); |
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151 | |
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152 | SET |
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153 | top = (NTrays-1)*(1-topdown)/2+1; |
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154 | bot = NTrays/top; |
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155 | |
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156 | VARIABLES |
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157 | trays(NTrays) as tray; |
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158 | cond as condenserSteady; |
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159 | reb as reboilerSteady; |
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160 | tbottom as tank; |
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161 | ttop as tank_cylindrical; |
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162 | spbottom as splitter; |
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163 | sptop as splitter; |
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164 | pump1 as pump; |
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165 | |
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166 | EQUATIONS |
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167 | "Pressure Drop through the tray" |
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168 | trays(top).OutletV.F = (1 + tanh(1 * (trays(top).OutletV.P - ttop.Outlet.P)/"Pa"))/2 * |
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169 | trays(top).Ah/trays(top).vV /2* sqrt(2*(trays(top).OutletV.P - |
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170 | ttop.Outlet.P + 1e-8 * "atm") / (trays(top).alfa*trays(top).rhoV)); |
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171 | |
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172 | trays([top+topdown:topdown:bot]).OutletV.F = (1 + tanh(1 * |
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173 | (trays([top+topdown:topdown:bot]).OutletV.P - |
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174 | trays([top+topdown:topdown:bot]).InletL.P)/"Pa"))/2 * |
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175 | trays([top+topdown:topdown:bot]).Ah/trays([top+topdown:topdown:bot]).vV /2* |
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176 | sqrt(2*(trays([top+topdown:topdown:bot]).OutletV.P - |
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177 | trays([top+topdown:topdown:bot]).InletL.P + 1e-8 * "atm") / |
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178 | (trays([top+topdown:topdown:bot]).alfa*trays([top+topdown:topdown:bot]).rhoV)); |
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179 | |
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180 | CONNECTIONS |
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181 | #vapor |
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182 | reb.OutletV to trays(bot).InletV; |
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183 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
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184 | trays(top).OutletV to cond.InletV; |
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185 | |
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186 | #liquid |
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187 | cond.OutletL to ttop.Inlet; |
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188 | ttop.Outlet to sptop.Inlet; |
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189 | sptop.Outlet2 to pump1.Inlet; |
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190 | pump1.Outlet to trays(top).InletL; |
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191 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
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192 | trays(bot).OutletL to tbottom.Inlet; |
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193 | tbottom.Outlet to spbottom.Inlet; |
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194 | spbottom.Outlet2 to reb.InletL; |
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195 | end |
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196 | |
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197 | |
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198 | #* ------------------------------------------------------------------- |
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199 | * Distillation Column model with: |
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200 | * |
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201 | * - NTrays like tray; |
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202 | * - a vessel in the bottom of column; |
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203 | * - a splitter who separate the bottom product and the stream to reboiler; |
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204 | * - steady state reboiler (thermosyphon); |
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205 | * - a dynamic condenser without subcooling; |
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206 | * - a splitter which separate reflux and distillate; |
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207 | * - a pump in reflux stream. |
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208 | * |
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209 | * ------------------------------------------------------------------*# |
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210 | Model Distillation_thermosyphon_cond |
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211 | PARAMETERS |
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212 | ext PP as CalcObject; |
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213 | ext NComp as Integer; |
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214 | NTrays as Integer(Brief="Number of trays", Default=2); |
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215 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
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216 | top as Integer(Brief="Number of top tray"); |
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217 | bot as Integer(Brief="Number of bottom tray"); |
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218 | |
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219 | SET |
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220 | top = (NTrays-1)*(1-topdown)/2+1; |
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221 | bot = NTrays/top; |
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222 | |
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223 | VARIABLES |
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224 | trays(NTrays) as tray; |
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225 | cond as condenser; |
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226 | reb as reboilerSteady; |
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227 | tbottom as tank; |
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228 | spbottom as splitter; |
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229 | sptop as splitter; |
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230 | pump1 as pump; |
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231 | |
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232 | EQUATIONS |
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233 | if (reb.OutletV.P > reb.InletL.P) then |
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234 | "Pressure Drop through the reboiler" |
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235 | reb.OutletV.F = trays(bot).Ah/reb.vV * sqrt((reb.OutletV.P - trays(bot).OutletL.P) |
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236 | / (trays(bot).beta*reb.rhoV) ); |
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237 | else |
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238 | "No flow in reboiler" |
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239 | reb.OutletV.F = 0.0 * "mol/s"; |
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240 | end |
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241 | |
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242 | "Pressure Drop through the tray" |
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243 | trays(top).OutletV.F = (1 + tanh(1 * (trays(top).OutletV.P - cond.OutletL.P)/"Pa"))/2 * |
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244 | trays(top).Ah/trays(top).vV * sqrt(2*(trays(top).OutletV.P - |
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245 | cond.OutletL.P + 1e-8 * "atm") / (trays(top).alfa*trays(top).rhoV)); |
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246 | |
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247 | trays([top+topdown:topdown:bot]).OutletV.F = (1 + tanh(1 * |
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248 | (trays([top+topdown:topdown:bot]).OutletV.P - |
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249 | trays([top+topdown:topdown:bot]).InletL.P)/"Pa"))/2 * |
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250 | trays([top+topdown:topdown:bot]).Ah/trays([top+topdown:topdown:bot]).vV * |
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251 | sqrt(2*(trays([top+topdown:topdown:bot]).OutletV.P - |
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252 | trays([top+topdown:topdown:bot]).InletL.P + 1e-8 * "atm") / |
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253 | (trays([top+topdown:topdown:bot]).alfa*trays([top+topdown:topdown:bot]).rhoV)); |
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254 | |
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255 | CONNECTIONS |
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256 | #vapor |
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257 | reb.OutletV to trays(bot).InletV; |
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258 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
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259 | trays(top).OutletV to cond.InletV; |
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260 | |
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261 | #liquid |
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262 | cond.OutletL to sptop.Inlet; |
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263 | sptop.Outlet2 to pump1.Inlet; |
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264 | pump1.Outlet to trays(top).InletL; |
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265 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
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266 | trays(bot).OutletL to tbottom.Inlet; |
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267 | tbottom.Outlet to spbottom.Inlet; |
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268 | spbottom.Outlet2 to reb.InletL; |
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269 | end |
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270 | |
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271 | #* ------------------------------------------------------------------- |
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272 | * Distillation Column model with: |
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273 | * |
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274 | * - NTrays like tray; |
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275 | * - a kettle reboiler; |
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276 | * - a steady state condenser with subcooling; |
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277 | * - a vessel drum (layed cilinder); |
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278 | * - a splitter which separate reflux and distillate; |
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279 | * - a pump in reflux stream. |
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280 | * |
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281 | * ------------------------------------------------------------------*# |
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282 | Model Distillation_kettle_subcooling |
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283 | PARAMETERS |
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284 | ext PP as CalcObject; |
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285 | ext NComp as Integer; |
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286 | NTrays as Integer(Brief="Number of trays", Default=2); |
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287 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
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288 | top as Integer(Brief="Number of top tray"); |
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289 | bot as Integer(Brief="Number of bottom tray"); |
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290 | |
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291 | SET |
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292 | top = (NTrays-1)*(1-topdown)/2+1; |
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293 | bot = NTrays/top; |
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294 | |
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295 | VARIABLES |
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296 | trays(NTrays) as tray; |
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297 | cond as condenserSteady; |
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298 | reb as reboiler; |
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299 | ttop as tank_cylindrical; |
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300 | sptop as splitter; |
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301 | pump1 as pump; |
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302 | |
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303 | EQUATIONS |
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304 | if (reb.OutletV.P > reb.InletL.P) then |
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305 | "Pressure Drop through the reboiler" |
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306 | reb.OutletV.F = trays(bot).Ah/reb.vV * sqrt((reb.OutletV.P - trays(bot).OutletL.P) |
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307 | / (trays(bot).beta*reb.rhoV) ); |
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308 | else |
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309 | "No flow in reboiler" |
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310 | reb.OutletV.F = 0.0 * "mol/s"; |
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311 | end |
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312 | |
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313 | "Pressure Drop through the tray" |
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314 | trays(top).OutletV.F = (1 + tanh(1 * (trays(top).OutletV.P - ttop.Outlet.P)/"Pa"))/2 * |
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315 | trays(top).Ah/trays(top).vV * sqrt(2*(trays(top).OutletV.P - |
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316 | ttop.Outlet.P + 1e-8 * "atm") / (trays(top).alfa*trays(top).rhoV)); |
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317 | |
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318 | trays([top+topdown:topdown:bot]).OutletV.F = (1 + tanh(1 * |
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319 | (trays([top+topdown:topdown:bot]).OutletV.P - |
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320 | trays([top+topdown:topdown:bot]).InletL.P)/"Pa"))/2 * |
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321 | trays([top+topdown:topdown:bot]).Ah/trays([top+topdown:topdown:bot]).vV * |
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322 | sqrt(2*(trays([top+topdown:topdown:bot]).OutletV.P - |
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323 | trays([top+topdown:topdown:bot]).InletL.P + 1e-8 * "atm") / |
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324 | (trays([top+topdown:topdown:bot]).alfa*trays([top+topdown:topdown:bot]).rhoV)); |
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325 | |
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326 | CONNECTIONS |
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327 | #vapor |
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328 | reb.OutletV to trays(bot).InletV; |
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329 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
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330 | trays(top).OutletV to cond.InletV; |
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331 | |
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332 | #liquid |
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333 | cond.OutletL to ttop.Inlet; |
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334 | ttop.Outlet to sptop.Inlet; |
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335 | sptop.Outlet2 to pump1.Inlet; |
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336 | pump1.Outlet to trays(top).InletL; |
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337 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
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338 | trays(bot).OutletL to reb.InletL; |
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339 | end |
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340 | |
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341 | |
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342 | #*---------------------------------------------------------------------- |
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343 | * Model of a rectifier containing: |
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344 | * - NTrays like tray; |
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345 | * - dymamic condenser without subcooling; |
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346 | * - a splitter which separate reflux and distillate; |
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347 | * - a pump in reflux stream; |
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348 | *---------------------------------------------------------------------*# |
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349 | Model Rectifier |
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350 | PARAMETERS |
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351 | ext PP as CalcObject; |
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352 | ext NComp as Integer; |
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353 | NTrays as Integer(Brief="Number of trays", Default=2); |
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354 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
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355 | top as Integer(Brief="Number of top tray"); |
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356 | bot as Integer(Brief="Number of bottom tray"); |
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357 | |
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358 | SET |
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359 | top = (NTrays-1)*(1-topdown)/2+1; |
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360 | bot = NTrays/top; |
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361 | |
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362 | VARIABLES |
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363 | trays(NTrays) as tray; |
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364 | cond as condenser; |
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365 | sptop as splitter; |
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366 | pump1 as pump; |
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367 | |
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368 | EQUATIONS |
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369 | "Pressure Drop through the tray" |
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370 | trays(top).OutletV.F = (1 + tanh(1 * (trays(top).OutletV.P - cond.OutletL.P)/"Pa"))/2 * |
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371 | trays(top).Ah/trays(top).vV * sqrt(2*(trays(top).OutletV.P - |
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372 | cond.OutletL.P + 1e-8 * "atm") / (trays(top).alfa*trays(top).rhoV)); |
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373 | |
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374 | trays([top+topdown:topdown:bot]).OutletV.F = (1 + tanh(1 * |
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375 | (trays([top+topdown:topdown:bot]).OutletV.P - |
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376 | trays([top+topdown:topdown:bot]).InletL.P)/"Pa"))/2 * |
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377 | trays([top+topdown:topdown:bot]).Ah/trays([top+topdown:topdown:bot]).vV * |
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378 | sqrt(2*(trays([top+topdown:topdown:bot]).OutletV.P - |
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379 | trays([top+topdown:topdown:bot]).InletL.P + 1e-8 * "atm") / |
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380 | (trays([top+topdown:topdown:bot]).alfa*trays([top+topdown:topdown:bot]).rhoV)); |
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381 | |
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382 | CONNECTIONS |
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383 | #vapor |
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384 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
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385 | trays(top).OutletV to cond.InletV; |
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386 | |
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387 | #liquid |
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388 | cond.OutletL to sptop.Inlet; |
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389 | sptop.Outlet2 to pump1.Inlet; |
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390 | pump1.Outlet to trays(top).InletL; |
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391 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
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392 | end |
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393 | |
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394 | |
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395 | #* ------------------------------------------------------------------- |
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396 | * Rectifier Column with: |
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397 | * |
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398 | * - NTrays like tray; |
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399 | * - a steady state condenser with subcooling; |
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400 | * - a vessel drum (layed cilinder); |
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401 | * - a splitter which separate reflux and distillate; |
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402 | * - a pump in reflux stream. |
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403 | * |
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404 | * ------------------------------------------------------------------*# |
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405 | Model Rectifier_subcooling |
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406 | PARAMETERS |
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407 | ext PP as CalcObject; |
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408 | ext NComp as Integer; |
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409 | NTrays as Integer(Brief="Number of trays", Default=2); |
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410 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
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411 | top as Integer(Brief="Number of top tray"); |
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412 | bot as Integer(Brief="Number of bottom tray"); |
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413 | |
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414 | SET |
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415 | top = (NTrays-1)*(1-topdown)/2+1; |
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416 | bot = NTrays/top; |
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417 | |
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418 | VARIABLES |
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419 | trays(NTrays) as tray; |
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420 | cond as condenserSteady; |
---|
421 | ttop as tank_cylindrical; |
---|
422 | sptop as splitter; |
---|
423 | pump1 as pump; |
---|
424 | |
---|
425 | EQUATIONS |
---|
426 | "Pressure Drop through the tray" |
---|
427 | trays(top).OutletV.F = (1 + tanh(1 * (trays(top).OutletV.P - ttop.Outlet.P)/"Pa"))/2 * |
---|
428 | trays(top).Ah/trays(top).vV * sqrt(2*(trays(top).OutletV.P - |
---|
429 | ttop.Outlet.P + 1e-8 * "atm") / (trays(top).alfa*trays(top).rhoV)); |
---|
430 | |
---|
431 | trays([top+topdown:topdown:bot]).OutletV.F = (1 + tanh(1 * |
---|
432 | (trays([top+topdown:topdown:bot]).OutletV.P - |
---|
433 | trays([top+topdown:topdown:bot]).InletL.P)/"Pa"))/2 * |
---|
434 | trays([top+topdown:topdown:bot]).Ah/trays([top+topdown:topdown:bot]).vV * |
---|
435 | sqrt(2*(trays([top+topdown:topdown:bot]).OutletV.P - |
---|
436 | trays([top+topdown:topdown:bot]).InletL.P + 1e-8 * "atm") / |
---|
437 | (trays([top+topdown:topdown:bot]).alfa*trays([top+topdown:topdown:bot]).rhoV)); |
---|
438 | |
---|
439 | CONNECTIONS |
---|
440 | #vapor |
---|
441 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
---|
442 | trays(top).OutletV to cond.InletV; |
---|
443 | |
---|
444 | #liquid |
---|
445 | cond.OutletL to ttop.Inlet; |
---|
446 | ttop.Outlet to sptop.Inlet; |
---|
447 | sptop.Outlet2 to pump1.Inlet; |
---|
448 | pump1.Outlet to trays(top).InletL; |
---|
449 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
---|
450 | end |
---|
451 | |
---|
452 | |
---|
453 | #*---------------------------------------------------------------------- |
---|
454 | * Model of a Refluxed Stripping column containing: |
---|
455 | * - NTrays like tray; |
---|
456 | * - dymamic condenser without subcooling; |
---|
457 | * - a splitter which separate reflux and distillate; |
---|
458 | * - a pump in reflux stream; |
---|
459 | *---------------------------------------------------------------------*# |
---|
460 | Model Refluxed_Stripping |
---|
461 | PARAMETERS |
---|
462 | ext PP as CalcObject; |
---|
463 | ext NComp as Integer; |
---|
464 | NTrays as Integer(Brief="Number of trays", Default=2); |
---|
465 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
---|
466 | top as Integer(Brief="Number of top tray"); |
---|
467 | bot as Integer(Brief="Number of bottom tray"); |
---|
468 | |
---|
469 | SET |
---|
470 | top = (NTrays-1)*(1-topdown)/2+1; |
---|
471 | bot = NTrays/top; |
---|
472 | |
---|
473 | VARIABLES |
---|
474 | trays(NTrays) as tray; |
---|
475 | cond as condenser; |
---|
476 | sptop as splitter; |
---|
477 | pump1 as pump; |
---|
478 | |
---|
479 | EQUATIONS |
---|
480 | "Pressure Drop through the tray" |
---|
481 | trays(top).OutletV.F = (1 + tanh(1 * (trays(top).OutletV.P - cond.OutletL.P)/"Pa"))/2 * |
---|
482 | trays(top).Ah/trays(top).vV * sqrt(2*(trays(top).OutletV.P - |
---|
483 | cond.OutletL.P + 1e-8 * "atm") / (trays(top).alfa*trays(top).rhoV)); |
---|
484 | |
---|
485 | trays([top+topdown:topdown:bot]).OutletV.F = (1 + tanh(1 * |
---|
486 | (trays([top+topdown:topdown:bot]).OutletV.P - |
---|
487 | trays([top+topdown:topdown:bot]).InletL.P)/"Pa"))/2 * |
---|
488 | trays([top+topdown:topdown:bot]).Ah/trays([top+topdown:topdown:bot]).vV * |
---|
489 | sqrt(2*(trays([top+topdown:topdown:bot]).OutletV.P - |
---|
490 | trays([top+topdown:topdown:bot]).InletL.P + 1e-8 * "atm") / |
---|
491 | (trays([top+topdown:topdown:bot]).alfa*trays([top+topdown:topdown:bot]).rhoV)); |
---|
492 | |
---|
493 | CONNECTIONS |
---|
494 | #vapor |
---|
495 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
---|
496 | trays(top).OutletV to cond.InletV; |
---|
497 | |
---|
498 | #liquid |
---|
499 | cond.OutletL to sptop.Inlet; |
---|
500 | sptop.Outlet2 to pump1.Inlet; |
---|
501 | pump1.Outlet to trays(top).InletL; |
---|
502 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
---|
503 | end |
---|
504 | |
---|
505 | |
---|
506 | #* ------------------------------------------------------------------- |
---|
507 | * Refluxed Stripping Column with: |
---|
508 | * |
---|
509 | * - NTrays like tray; |
---|
510 | * - a steady state condenser (with subcooling); |
---|
511 | * - a vessel drum (layed cilinder); |
---|
512 | * - a splitter which separate reflux and distillate; |
---|
513 | * - a pump in reflux stream. |
---|
514 | * |
---|
515 | * ------------------------------------------------------------------*# |
---|
516 | Model Refluxed_Stripping_subcooling |
---|
517 | PARAMETERS |
---|
518 | ext PP as CalcObject; |
---|
519 | ext NComp as Integer; |
---|
520 | NTrays as Integer(Brief="Number of trays", Default=2); |
---|
521 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
---|
522 | top as Integer(Brief="Number of top tray"); |
---|
523 | bot as Integer(Brief="Number of bottom tray"); |
---|
524 | |
---|
525 | SET |
---|
526 | top = (NTrays-1)*(1-topdown)/2+1; |
---|
527 | bot = NTrays/top; |
---|
528 | |
---|
529 | VARIABLES |
---|
530 | trays(NTrays) as tray; |
---|
531 | cond as condenserSteady; |
---|
532 | ttop as tank_cylindrical; |
---|
533 | sptop as splitter; |
---|
534 | pump1 as pump; |
---|
535 | |
---|
536 | EQUATIONS |
---|
537 | "Pressure Drop through the tray" |
---|
538 | trays(top).OutletV.F = (1 + tanh(1 * (trays(top).OutletV.P - ttop.Outlet.P)/"Pa"))/2 * |
---|
539 | trays(top).Ah/trays(top).vV * sqrt(2*(trays(top).OutletV.P - |
---|
540 | ttop.Outlet.P + 1e-8 * "atm") / (trays(top).alfa*trays(top).rhoV)); |
---|
541 | |
---|
542 | trays([top+topdown:topdown:bot]).OutletV.F = (1 + tanh(1 * |
---|
543 | (trays([top+topdown:topdown:bot]).OutletV.P - |
---|
544 | trays([top+topdown:topdown:bot]).InletL.P)/"Pa"))/2 * |
---|
545 | trays([top+topdown:topdown:bot]).Ah/trays([top+topdown:topdown:bot]).vV * |
---|
546 | sqrt(2*(trays([top+topdown:topdown:bot]).OutletV.P - |
---|
547 | trays([top+topdown:topdown:bot]).InletL.P + 1e-8 * "atm") / |
---|
548 | (trays([top+topdown:topdown:bot]).alfa*trays([top+topdown:topdown:bot]).rhoV)); |
---|
549 | |
---|
550 | CONNECTIONS |
---|
551 | #vapor |
---|
552 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
---|
553 | trays(top).OutletV to cond.InletV; |
---|
554 | |
---|
555 | #liquid |
---|
556 | cond.OutletL to ttop.Inlet; |
---|
557 | ttop.Outlet to sptop.Inlet; |
---|
558 | sptop.Outlet2 to pump1.Inlet; |
---|
559 | pump1.Outlet to trays(top).InletL; |
---|
560 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
---|
561 | end |
---|
562 | |
---|
563 | |
---|
564 | #*---------------------------------------------------------------------- |
---|
565 | * Model of a Refluxed Absorption column containing: |
---|
566 | * - NTrays like tray; |
---|
567 | * - dymamic condenser without subcooling; |
---|
568 | * - a splitter which separate reflux and distillate; |
---|
569 | * - a pump in reflux stream; |
---|
570 | *---------------------------------------------------------------------*# |
---|
571 | Model Refluxed_Absorption |
---|
572 | PARAMETERS |
---|
573 | ext PP as CalcObject; |
---|
574 | ext NComp as Integer; |
---|
575 | NTrays as Integer(Brief="Number of trays", Default=2); |
---|
576 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
---|
577 | top as Integer(Brief="Number of top tray"); |
---|
578 | bot as Integer(Brief="Number of bottom tray"); |
---|
579 | |
---|
580 | SET |
---|
581 | top = (NTrays-1)*(1-topdown)/2+1; |
---|
582 | bot = NTrays/top; |
---|
583 | |
---|
584 | VARIABLES |
---|
585 | trays(NTrays) as tray; |
---|
586 | cond as condenser; |
---|
587 | sptop as splitter; |
---|
588 | pump1 as pump; |
---|
589 | |
---|
590 | EQUATIONS |
---|
591 | "Pressure Drop through the tray" |
---|
592 | trays(top).OutletV.F = (1 + tanh(1 * (trays(top).OutletV.P - cond.OutletL.P)/"Pa"))/2 * |
---|
593 | trays(top).Ah/trays(top).vV * sqrt(2*(trays(top).OutletV.P - |
---|
594 | cond.OutletL.P + 1e-8 * "atm") / (trays(top).alfa*trays(top).rhoV)); |
---|
595 | |
---|
596 | trays([top+topdown:topdown:bot]).OutletV.F = (1 + tanh(1 * |
---|
597 | (trays([top+topdown:topdown:bot]).OutletV.P - |
---|
598 | trays([top+topdown:topdown:bot]).InletL.P)/"Pa"))/2 * |
---|
599 | trays([top+topdown:topdown:bot]).Ah/trays([top+topdown:topdown:bot]).vV * |
---|
600 | sqrt(2*(trays([top+topdown:topdown:bot]).OutletV.P - |
---|
601 | trays([top+topdown:topdown:bot]).InletL.P + 1e-8 * "atm") / |
---|
602 | (trays([top+topdown:topdown:bot]).alfa*trays([top+topdown:topdown:bot]).rhoV)); |
---|
603 | |
---|
604 | CONNECTIONS |
---|
605 | #vapor |
---|
606 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
---|
607 | trays(top).OutletV to cond.InletV; |
---|
608 | |
---|
609 | #liquid |
---|
610 | cond.OutletL to cond.InletV; |
---|
611 | cond.OutletL to sptop.Inlet; |
---|
612 | sptop.Outlet2 to pump1.Inlet; |
---|
613 | pump1.Outlet to trays(top).InletL; |
---|
614 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
---|
615 | end |
---|
616 | |
---|
617 | |
---|
618 | #* ------------------------------------------------------------------- |
---|
619 | * Refluxed Absorption Column with: |
---|
620 | * |
---|
621 | * - NTrays like tray; |
---|
622 | * - a steady state condenser (with subcooling); |
---|
623 | * - a vessel drum (layed cilinder); |
---|
624 | * - a splitter which separate reflux and distillate; |
---|
625 | * - a pump in reflux stream. |
---|
626 | * |
---|
627 | * ------------------------------------------------------------------*# |
---|
628 | Model Refluxed_Absorption_subcooling |
---|
629 | PARAMETERS |
---|
630 | ext PP as CalcObject; |
---|
631 | ext NComp as Integer; |
---|
632 | NTrays as Integer(Brief="Number of trays", Default=2); |
---|
633 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
---|
634 | top as Integer(Brief="Number of top tray"); |
---|
635 | bot as Integer(Brief="Number of bottom tray"); |
---|
636 | |
---|
637 | SET |
---|
638 | top = (NTrays-1)*(1-topdown)/2+1; |
---|
639 | bot = NTrays/top; |
---|
640 | |
---|
641 | VARIABLES |
---|
642 | trays(NTrays) as tray; |
---|
643 | cond as condenserSteady; |
---|
644 | ttop as tank_cylindrical; |
---|
645 | sptop as splitter; |
---|
646 | pump1 as pump; |
---|
647 | |
---|
648 | EQUATIONS |
---|
649 | "Pressure Drop through the tray" |
---|
650 | trays(top).OutletV.F = (1 + tanh(1 * (trays(top).OutletV.P - ttop.Outlet.P)/"Pa"))/2 * |
---|
651 | trays(top).Ah/trays(top).vV * sqrt(2*(trays(top).OutletV.P - |
---|
652 | ttop.Outlet.P + 1e-8 * "atm") / (trays(top).alfa*trays(top).rhoV)); |
---|
653 | |
---|
654 | trays([top+topdown:topdown:bot]).OutletV.F = (1 + tanh(1 * |
---|
655 | (trays([top+topdown:topdown:bot]).OutletV.P - |
---|
656 | trays([top+topdown:topdown:bot]).InletL.P)/"Pa"))/2 * |
---|
657 | trays([top+topdown:topdown:bot]).Ah/trays([top+topdown:topdown:bot]).vV * |
---|
658 | sqrt(2*(trays([top+topdown:topdown:bot]).OutletV.P - |
---|
659 | trays([top+topdown:topdown:bot]).InletL.P + 1e-8 * "atm") / |
---|
660 | (trays([top+topdown:topdown:bot]).alfa*trays([top+topdown:topdown:bot]).rhoV)); |
---|
661 | |
---|
662 | CONNECTIONS |
---|
663 | #vapor |
---|
664 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
---|
665 | trays(top).OutletV to cond.InletV; |
---|
666 | |
---|
667 | #liquid |
---|
668 | cond.OutletL to ttop.Inlet; |
---|
669 | ttop.Outlet to sptop.Inlet; |
---|
670 | sptop.Outlet2 to pump1.Inlet; |
---|
671 | pump1.Outlet to trays(top).InletL; |
---|
672 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
---|
673 | end |
---|
674 | |
---|
675 | |
---|
676 | #* ------------------------------------------------------------------- |
---|
677 | * Reboiled Stripping Column model with: |
---|
678 | * |
---|
679 | * - NTrays like tray; |
---|
680 | * - a kettle reboiler; |
---|
681 | * |
---|
682 | * ------------------------------------------------------------------*# |
---|
683 | Model Reboiled_Stripping_kettle |
---|
684 | PARAMETERS |
---|
685 | ext PP as CalcObject; |
---|
686 | ext NComp as Integer; |
---|
687 | NTrays as Integer(Brief="Number of trays", Default=2); |
---|
688 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
---|
689 | top as Integer(Brief="Number of top tray"); |
---|
690 | bot as Integer(Brief="Number of bottom tray"); |
---|
691 | |
---|
692 | SET |
---|
693 | top = (NTrays-1)*(1-topdown)/2+1; |
---|
694 | bot = NTrays/top; |
---|
695 | |
---|
696 | VARIABLES |
---|
697 | trays(NTrays) as tray; |
---|
698 | reb as reboiler; |
---|
699 | |
---|
700 | EQUATIONS |
---|
701 | if (reb.OutletV.P > reb.InletL.P) then |
---|
702 | "Pressure Drop through the tray" |
---|
703 | reb.OutletV.F = trays(bot).Ah/reb.vV * sqrt((reb.OutletV.P - trays(bot).OutletL.P) |
---|
704 | / (trays(bot).beta*reb.rhoV) ); |
---|
705 | else |
---|
706 | "Prato selado" |
---|
707 | reb.OutletV.F = 0.0 * "mol/s"; |
---|
708 | end |
---|
709 | |
---|
710 | "Pressure Drop through the tray" |
---|
711 | trays([top:topdown:bot]).OutletV.F = (1 + tanh(1 * |
---|
712 | (trays([top:topdown:bot]).OutletV.P - |
---|
713 | trays([top:topdown:bot]).InletL.P)/"Pa"))/2 * |
---|
714 | trays([top:topdown:bot]).Ah/trays([top:topdown:bot]).vV * |
---|
715 | sqrt(2*(trays([top:topdown:bot]).OutletV.P - |
---|
716 | trays([top:topdown:bot]).InletL.P + 1e-8 * "atm") / |
---|
717 | (trays([top:topdown:bot]).alfa*trays([top:topdown:bot]).rhoV)); |
---|
718 | |
---|
719 | CONNECTIONS |
---|
720 | #vapor |
---|
721 | reb.OutletV to trays(bot).InletV; |
---|
722 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
---|
723 | |
---|
724 | #liquid |
---|
725 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
---|
726 | trays(bot).OutletL to reb.InletL; |
---|
727 | end |
---|
728 | |
---|
729 | |
---|
730 | #* ------------------------------------------------------------------- |
---|
731 | * Reboiled Stripping Column model with: |
---|
732 | * |
---|
733 | * - NTrays like tray; |
---|
734 | * - a vessel in the bottom of column; |
---|
735 | * - a splitter which separate the bottom product and the stream to reboiler; |
---|
736 | * - steady state reboiler (thermosyphon); |
---|
737 | * |
---|
738 | * ------------------------------------------------------------------*# |
---|
739 | Model Reboiled_Stripping_thermosyphon |
---|
740 | PARAMETERS |
---|
741 | ext PP as CalcObject; |
---|
742 | ext NComp as Integer; |
---|
743 | NTrays as Integer(Brief="Number of trays", Default=2); |
---|
744 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
---|
745 | top as Integer(Brief="Number of top tray"); |
---|
746 | bot as Integer(Brief="Number of bottom tray"); |
---|
747 | |
---|
748 | SET |
---|
749 | top = (NTrays-1)*(1-topdown)/2+1; |
---|
750 | bot = NTrays/top; |
---|
751 | |
---|
752 | VARIABLES |
---|
753 | trays(NTrays) as tray; |
---|
754 | reb as reboilerSteady; |
---|
755 | spbottom as splitter; |
---|
756 | tbottom as tank; |
---|
757 | |
---|
758 | EQUATIONS |
---|
759 | if (reb.OutletV.P > reb.InletL.P) then |
---|
760 | "Pressure Drop through the tray" |
---|
761 | reb.OutletV.F = trays(bot).Ah/reb.vV * sqrt((reb.OutletV.P - trays(bot).OutletL.P) |
---|
762 | / (trays(bot).beta*reb.rhoV) ); |
---|
763 | else |
---|
764 | "Prato selado" |
---|
765 | reb.OutletV.F = 0.0 * "mol/s"; |
---|
766 | end |
---|
767 | |
---|
768 | "Pressure Drop through the tray" |
---|
769 | trays([top:topdown:bot]).OutletV.F = (1 + tanh(1 * |
---|
770 | (trays([top:topdown:bot]).OutletV.P - |
---|
771 | trays([top:topdown:bot]).InletL.P)/"Pa"))/2 * |
---|
772 | trays([top:topdown:bot]).Ah/trays([top:topdown:bot]).vV * |
---|
773 | sqrt(2*(trays([top:topdown:bot]).OutletV.P - |
---|
774 | trays([top:topdown:bot]).InletL.P + 1e-8 * "atm") / |
---|
775 | (trays([top:topdown:bot]).alfa*trays([top:topdown:bot]).rhoV)); |
---|
776 | |
---|
777 | CONNECTIONS |
---|
778 | #vapor |
---|
779 | reb.OutletV to trays(bot).InletV; |
---|
780 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
---|
781 | |
---|
782 | #liquid |
---|
783 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
---|
784 | trays(bot).OutletL to tbottom.Inlet; |
---|
785 | tbottom.Outlet to spbottom.Inlet; |
---|
786 | spbottom.Outlet2 to reb.InletL; |
---|
787 | end |
---|
788 | |
---|
789 | |
---|
790 | #* ------------------------------------------------------------------- |
---|
791 | * Reboiled Absorption Column model with: |
---|
792 | * |
---|
793 | * - NTrays like tray; |
---|
794 | * - a kettle reboiler; |
---|
795 | * |
---|
796 | * ------------------------------------------------------------------*# |
---|
797 | Model Reboiled_Absorption_kettle |
---|
798 | PARAMETERS |
---|
799 | ext PP as CalcObject; |
---|
800 | ext NComp as Integer; |
---|
801 | NTrays as Integer(Brief="Number of trays", Default=2); |
---|
802 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
---|
803 | top as Integer(Brief="Number of top tray"); |
---|
804 | bot as Integer(Brief="Number of bottom tray"); |
---|
805 | |
---|
806 | SET |
---|
807 | top = (NTrays-1)*(1-topdown)/2+1; |
---|
808 | bot = NTrays/top; |
---|
809 | |
---|
810 | VARIABLES |
---|
811 | trays(NTrays) as tray; |
---|
812 | reb as reboiler; |
---|
813 | |
---|
814 | EQUATIONS |
---|
815 | if (reb.OutletV.P > reb.InletL.P) then |
---|
816 | "Pressure Drop through the tray" |
---|
817 | reb.OutletV.F = trays(bot).Ah/reb.vV * sqrt((reb.OutletV.P - trays(bot).OutletL.P) |
---|
818 | / (trays(bot).beta*reb.rhoV) ); |
---|
819 | else |
---|
820 | "Prato selado" |
---|
821 | reb.OutletV.F = 0.0 * "mol/s"; |
---|
822 | end |
---|
823 | |
---|
824 | "Pressure Drop through the tray" |
---|
825 | trays([top:topdown:bot]).OutletV.F = (1 + tanh(1 * |
---|
826 | (trays([top:topdown:bot]).OutletV.P - |
---|
827 | trays([top:topdown:bot]).InletL.P)/"Pa"))/2 * |
---|
828 | trays([top:topdown:bot]).Ah/trays([top:topdown:bot]).vV * |
---|
829 | sqrt(2*(trays([top:topdown:bot]).OutletV.P - |
---|
830 | trays([top:topdown:bot]).InletL.P + 1e-8 * "atm") / |
---|
831 | (trays([top:topdown:bot]).alfa*trays([top:topdown:bot]).rhoV)); |
---|
832 | |
---|
833 | CONNECTIONS |
---|
834 | #vapor |
---|
835 | reb.OutletV to trays(bot).InletV; |
---|
836 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
---|
837 | |
---|
838 | #liquid |
---|
839 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
---|
840 | trays(bot).OutletL to reb.InletL; |
---|
841 | end |
---|
842 | |
---|
843 | |
---|
844 | #* ------------------------------------------------------------------- |
---|
845 | * Reboiled Absorption Column model with: |
---|
846 | * |
---|
847 | * - NTrays like tray; |
---|
848 | * - a vessel in the bottom of column; |
---|
849 | * - a splitter which separate the bottom product and the stream to reboiler; |
---|
850 | * - steady state reboiler (thermosyphon); |
---|
851 | * |
---|
852 | * ------------------------------------------------------------------*# |
---|
853 | Model Reboiled_Absorption_thermosyphon |
---|
854 | PARAMETERS |
---|
855 | ext PP as CalcObject; |
---|
856 | ext NComp as Integer; |
---|
857 | NTrays as Integer(Brief="Number of trays", Default=2); |
---|
858 | topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1); |
---|
859 | top as Integer(Brief="Number of top tray"); |
---|
860 | bot as Integer(Brief="Number of bottom tray"); |
---|
861 | |
---|
862 | SET |
---|
863 | top = (NTrays-1)*(1-topdown)/2+1; |
---|
864 | bot = NTrays/top; |
---|
865 | |
---|
866 | VARIABLES |
---|
867 | trays(NTrays) as tray; |
---|
868 | reb as reboilerSteady; |
---|
869 | spbottom as splitter; |
---|
870 | tbottom as tank; |
---|
871 | |
---|
872 | EQUATIONS |
---|
873 | if (reb.OutletV.P > reb.InletL.P) then |
---|
874 | "Pressure Drop through the tray" |
---|
875 | reb.OutletV.F = trays(bot).Ah/reb.vV * sqrt((reb.OutletV.P - trays(bot).OutletL.P) |
---|
876 | / (trays(bot).beta*reb.rhoV) ); |
---|
877 | else |
---|
878 | "Prato selado" |
---|
879 | reb.OutletV.F = 0.0 * "mol/s"; |
---|
880 | end |
---|
881 | |
---|
882 | "Pressure Drop through the tray" |
---|
883 | trays([top:topdown:bot]).OutletV.F = (1 + tanh(1 * |
---|
884 | (trays([top:topdown:bot]).OutletV.P - |
---|
885 | trays([top:topdown:bot]).InletL.P)/"Pa"))/2 * |
---|
886 | trays([top:topdown:bot]).Ah/trays([top:topdown:bot]).vV * |
---|
887 | sqrt(2*(trays([top:topdown:bot]).OutletV.P - |
---|
888 | trays([top:topdown:bot]).InletL.P + 1e-8 * "atm") / |
---|
889 | (trays([top:topdown:bot]).alfa*trays([top:topdown:bot]).rhoV)); |
---|
890 | |
---|
891 | CONNECTIONS |
---|
892 | #vapor |
---|
893 | reb.OutletV to trays(bot).InletV; |
---|
894 | trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV; |
---|
895 | |
---|
896 | #liquid |
---|
897 | trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL; |
---|
898 | trays(bot).OutletL to tbottom.Inlet; |
---|
899 | tbottom.Outlet to spbottom.Inlet; |
---|
900 | spbottom.Outlet2 to reb.InletL; |
---|
901 | end |
---|
902 | |
---|
903 | # Reactive Distillation!! |
---|
904 | Model ReactiveDistillation |
---|
905 | PARAMETERS |
---|
906 | ext PP as CalcObject; |
---|
907 | ext NComp as Integer; |
---|
908 | NTrays as Integer(Brief="Number of trays", Default=2); |
---|
909 | |
---|
910 | VARIABLES |
---|
911 | trays(NTrays) as trayReact; |
---|
912 | cond as condenserReact; |
---|
913 | reb as reboilerReact; |
---|
914 | sp as splitter; |
---|
915 | p as pump; |
---|
916 | |
---|
917 | EQUATIONS |
---|
918 | if ( reb.OutletV.P > 1 * "atm" ) then |
---|
919 | "Pressure Drop through the tray" |
---|
920 | reb.OutletV.F = trays(1).Ah/reb.vV * sqrt((reb.OutletV.P - 1*"atm") / (0.15*reb.rhoV) ); |
---|
921 | else |
---|
922 | "Prato selado" |
---|
923 | reb.OutletV.F = 0.0 * "mol/s"; |
---|
924 | end |
---|
925 | |
---|
926 | CONNECTIONS |
---|
927 | #vapor |
---|
928 | reb.OutletV to trays([NTrays]).InletV; |
---|
929 | trays([2:NTrays]).OutletV to trays([1:NTrays-1]).InletV; |
---|
930 | trays(1).OutletV to cond.InletV; |
---|
931 | |
---|
932 | #liquid |
---|
933 | cond.OutletL to sp.Inlet; |
---|
934 | sp.Outlet2 to p.Inlet; |
---|
935 | p.Outlet to trays(1).InletL; |
---|
936 | trays([1:NTrays-1]).OutletL to trays([2:NTrays]).InletL; |
---|
937 | trays(NTrays).OutletL to reb.InletL; |
---|
938 | end |
---|