1 | #*---------------------------------------------- |
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2 | * FlowSheet generated automaticaly by EMSO-GUI |
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3 | *----------------------------------------------*# |
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4 | |
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5 | using "streams.mso"; |
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6 | using "controllers/PIDs.mso"; |
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7 | using "pressure_changers/valve.mso"; |
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8 | using "controllers/heat_flow.mso"; |
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9 | using "stage_separators/column.mso"; |
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10 | |
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11 | FlowSheet Section_Column_Three_Inputs |
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12 | PARAMETERS |
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13 | PP as Plugin(Brief="Physical Properties", |
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14 | Type="PP", |
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15 | Components = ["propylene","propane"], |
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16 | LiquidModel = "PR", |
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17 | VapourModel = "PR" |
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18 | ); |
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19 | NComp as Integer; |
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20 | SET |
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21 | NComp = PP.NumberOfComponents; |
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22 | |
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23 | DEVICES |
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24 | feed1 as simple_source; |
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25 | LiquidOut as simple_sink; |
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26 | PIDT_condenser as PID; |
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27 | PIDT_reboiler as PID; |
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28 | PIDL_reboiler as PID; |
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29 | splitter_S1 as splitter_column; |
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30 | Valve_Distillate as valve_flow; |
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31 | distillate_stream as sink; |
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32 | pump_P1 as pump2; |
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33 | Valve_Bottom as valve_flow; |
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34 | PIDL_condenser as PID; |
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35 | heat_condenser as heat_flow; |
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36 | heat_reboiler as heat_flow; |
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37 | feed2 as simple_source; |
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38 | feed3 as simple_source; |
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39 | column_T1 as Section_Column3; |
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40 | reboiler_R1 as reboiler; |
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41 | condenser_C1 as condenser; |
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42 | vapour_s1 as simple_sink2; |
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43 | |
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44 | CONNECTIONS |
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45 | splitter_S1.Distillate to Valve_Distillate.Inlet; |
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46 | Valve_Distillate.Outlet to distillate_stream.Inlet; |
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47 | splitter_S1.Reflux to pump_P1.Inlet; |
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48 | Valve_Bottom.Outlet to LiquidOut.Inlet; |
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49 | PIDL_reboiler.Output to Valve_Bottom.FlowFraction; |
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50 | PIDL_condenser.Output to Valve_Distillate.FlowFraction; |
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51 | PIDT_condenser.Output to heat_condenser.HeatFlowFraction; |
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52 | PIDT_reboiler.Output to heat_reboiler.HeatFlowFraction; |
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53 | feed3.Outlet to column_T1.FeedTrayThree; |
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54 | feed2.Outlet to column_T1.FeedTrayTwo; |
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55 | feed1.Outlet to column_T1.FeedTrayOne; |
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56 | pump_P1.Outlet to column_T1.LiquidInlet; |
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57 | column_T1.VapourOutlet to condenser_C1.InletVapour; |
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58 | condenser_C1.OutletLiquid to splitter_S1.Inlet; |
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59 | heat_condenser.HeatFlow to condenser_C1.InletQ; |
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60 | condenser_C1.TI to PIDT_condenser.Input; |
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61 | condenser_C1.LI to PIDL_condenser.Input; |
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62 | reboiler_R1.OutletVapour to column_T1.VapourInlet; |
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63 | column_T1.LiquidOutlet to reboiler_R1.InletLiquid; |
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64 | heat_reboiler.HeatFlow to reboiler_R1.InletQ; |
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65 | reboiler_R1.TI to PIDT_reboiler.Input; |
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66 | reboiler_R1.OutletLiquid to Valve_Bottom.Inlet; |
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67 | reboiler_R1.LI to PIDL_reboiler.Input; |
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68 | condenser_C1.OutletVapour to vapour_s1.Inlet; |
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69 | |
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70 | SET |
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71 | feed1.ValidPhases = "Vapour-Liquid" ; |
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72 | PIDT_condenser.PID_Select = "Ideal_AW" ; |
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73 | PIDT_condenser.Action = "Reverse" ; |
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74 | PIDT_condenser.Mode = "Automatic" ; |
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75 | PIDT_condenser.Clip = "Clipped" ; |
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76 | PIDT_condenser.alpha = 0.2 ; |
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77 | PIDT_condenser.beta = 1 ; |
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78 | PIDT_condenser.bias = 0.5 ; |
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79 | PIDT_condenser.derivTime = 10 * 's' ; |
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80 | PIDT_condenser.intTime = 100 * 's' ; |
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81 | PIDT_condenser.gain = 5 ; |
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82 | PIDT_condenser.gamma = 1 ; |
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83 | PIDT_condenser.tau = 1 * 's' ; |
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84 | PIDT_condenser.tauSet = 1 * 's' ; |
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85 | PIDT_condenser.MinInput = 250 ; |
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86 | PIDT_condenser.MaxInput = 380 ; |
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87 | PIDT_condenser.MinOutput = 0 ; |
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88 | PIDT_condenser.MaxOutput = 1 ; |
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89 | PIDT_reboiler.PID_Select = "Ideal_AW" ; |
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90 | PIDT_reboiler.Action = "Reverse" ; |
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91 | PIDT_reboiler.Mode = "Automatic" ; |
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92 | PIDT_reboiler.Clip = "Clipped" ; |
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93 | PIDT_reboiler.alpha = 0.2 ; |
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94 | PIDT_reboiler.beta = 1 ; |
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95 | PIDT_reboiler.bias = 0.2 ; |
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96 | PIDT_reboiler.derivTime = 1 * 's' ; |
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97 | PIDT_reboiler.intTime = 10 * 's' ; |
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98 | PIDT_reboiler.gain = 3 ; |
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99 | PIDT_reboiler.gamma = 1 ; |
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100 | PIDT_reboiler.tau = 1 * 's' ; |
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101 | PIDT_reboiler.tauSet = 1 * 's' ; |
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102 | PIDT_reboiler.MinInput = 200 ; |
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103 | PIDT_reboiler.MaxInput = 400 ; |
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104 | PIDT_reboiler.MinOutput = 0 ; |
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105 | PIDT_reboiler.MaxOutput = 1 ; |
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106 | PIDL_reboiler.PID_Select = "Ideal_AW" ; |
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107 | PIDL_reboiler.Action = "Direct" ; |
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108 | PIDL_reboiler.Mode = "Automatic" ; |
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109 | PIDL_reboiler.Clip = "Clipped" ; |
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110 | PIDL_reboiler.alpha = 1 ; |
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111 | PIDL_reboiler.beta = 1 ; |
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112 | PIDL_reboiler.bias = 0 ; |
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113 | PIDL_reboiler.derivTime = 0 * 's' ; |
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114 | PIDL_reboiler.intTime = 20 * 's' ; |
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115 | PIDL_reboiler.gain = 2 ; |
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116 | PIDL_reboiler.gamma = 1 ; |
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117 | PIDL_reboiler.tau = 1 * 's' ; |
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118 | PIDL_reboiler.tauSet = 1 * 's' ; |
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119 | PIDL_reboiler.MinInput = 0.1 ; |
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120 | PIDL_reboiler.MaxInput = 0.8 ; |
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121 | PIDL_reboiler.MinOutput = 0 ; |
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122 | PIDL_reboiler.MaxOutput = 1 ; |
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123 | Valve_Distillate.MinFlow = 0 * 'kmol/h' ; |
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124 | Valve_Distillate.MaxFlow = 400 * 'kmol/h' ; |
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125 | Valve_Bottom.MinFlow = 0 * 'kmol/h' ; |
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126 | Valve_Bottom.MaxFlow = 1000 * 'kmol/h' ; |
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127 | PIDL_condenser.PID_Select = "Ideal_AW" ; |
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128 | PIDL_condenser.Action = "Direct" ; |
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129 | PIDL_condenser.Mode = "Automatic" ; |
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130 | PIDL_condenser.Clip = "Clipped" ; |
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131 | PIDL_condenser.alpha = 1 ; |
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132 | PIDL_condenser.beta = 1 ; |
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133 | PIDL_condenser.bias = 0 ; |
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134 | PIDL_condenser.derivTime = 0 * 's' ; |
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135 | PIDL_condenser.intTime = 20 * 's' ; |
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136 | PIDL_condenser.gain = 2 ; |
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137 | PIDL_condenser.gamma = 1 ; |
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138 | PIDL_condenser.tau = 1 * 's' ; |
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139 | PIDL_condenser.tauSet = 1 * 's' ; |
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140 | PIDL_condenser.MinInput = 0.1 ; |
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141 | PIDL_condenser.MaxInput = 0.8 ; |
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142 | PIDL_condenser.MinOutput = 0 ; |
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143 | PIDL_condenser.MaxOutput = 1 ; |
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144 | heat_condenser.MinHeatFlow = -300 * 'kW' ; |
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145 | heat_condenser.MaxHeatFlow = 0 * 'kW' ; |
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146 | heat_reboiler.MinHeatFlow = 0 * 'kW' ; |
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147 | heat_reboiler.MaxHeatFlow = 450 * 'kW' ; |
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148 | feed2.ValidPhases = "Vapour-Liquid" ; |
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149 | feed3.ValidPhases = "Vapour-Liquid" ; |
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150 | column_T1.INITIALIZATION.TopTemperature = 321 * 'K' ; |
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151 | column_T1.INITIALIZATION.BottomTemperature = 328 * 'K' ; |
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152 | column_T1.INITIALIZATION.LevelFraction = 0.8 ; |
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153 | column_T1.FeedTrayLocation(1) = 5 ; |
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154 | column_T1.FeedTrayLocation(2) = 11 ; |
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155 | column_T1.FeedTrayLocation(3) = 22 ; |
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156 | column_T1.NumberOfTrays = 30 ; |
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157 | column_T1.LiquidSideStreamLocation = 2 ; |
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158 | column_T1.VapourSideStreamLocation = 2 ; |
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159 | column_T1.WeirLength = 20.95 * 'in' ; |
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160 | column_T1.WeirHeight = 0.125 * 'ft' ; |
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161 | column_T1.TrayLiquidPasses = 1 ; |
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162 | column_T1.HeatSupply = 0 * 'kW' ; |
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163 | column_T1.AerationFraction = 0.4 ; |
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164 | column_T1.DryPdropCoeff = 6 ; |
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165 | column_T1.MurphreeEff = 1 ; |
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166 | reboiler_R1.Initial_Temperature = 335 * 'K' ; |
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167 | reboiler_R1.Initial_Composition(1) = 0.01 ; |
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168 | reboiler_R1.Initial_Composition(2) = 0.99 ; |
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169 | condenser_C1.Initial_Temperature = 320 * 'K' ; |
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170 | condenser_C1.Initial_Composition(1) = 0.7 ; |
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171 | condenser_C1.Initial_Composition(2) = 0.3 ; |
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172 | |
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173 | SPECIFY |
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174 | feed1.MolarComposition(1) = 0.4 ; |
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175 | feed1.MolarComposition(2) = 0.6 ; |
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176 | feed1.F = 612.4 * 'kmol/h' ; |
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177 | feed1.T_Cdeg = 50; |
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178 | feed1.P = 2068 * 'kPa' ; |
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179 | PIDT_condenser.SetPoint = (273+30);#(273+45) ; |
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180 | PIDT_reboiler.SetPoint = (58+273) ; |
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181 | PIDL_reboiler.SetPoint = 0.5 ; |
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182 | splitter_S1.RefluxRatio = 20 ; |
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183 | pump_P1.Pincrease = 14 * 'kPa' ; |
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184 | PIDL_condenser.SetPoint = 0.5 ; |
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185 | feed2.MolarComposition(1) = 0.4 ; |
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186 | feed2.MolarComposition(2) = 0.6 ; |
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187 | feed2.F = 6.4 * 'kmol/h' ; |
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188 | feed2.T_Cdeg = 30; |
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189 | feed2.P = 2018 * 'kPa' ; |
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190 | feed3.MolarComposition(1) = 0.1 ; |
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191 | feed3.MolarComposition(2) = 0.9 ; |
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192 | feed3.F = 0.64 * 'kmol/h' ; |
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193 | feed3.T_Cdeg = 30; |
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194 | feed3.P = 2018 * 'kPa' ; |
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195 | column_T1.VapourDrawOffFlow = 0 * 'kmol/h' ; |
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196 | column_T1.LiquidDrawOffFlow = 0 * 'kmol/h' ; |
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197 | condenser_C1.OutletVapour.F = 0 * 'kmol/h' ; |
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198 | |
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199 | INITIAL |
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200 | |
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201 | GUESS |
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202 | |
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203 | OPTIONS |
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204 | Dynamic = true; |
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205 | TimeStep = 0.1; |
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206 | TimeEnd = 1.5;#1.7; |
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207 | TimeUnit = 'h'; |
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208 | Integration = "original"; |
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209 | NLASolver( |
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210 | File = "sundials", |
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211 | RelativeAccuracy = 1e-2, |
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212 | AbsoluteAccuracy = 1e-6, |
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213 | MaxIterations = 100 |
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214 | ); |
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215 | DAESolver( |
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216 | File = "dassl", |
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217 | RelativeAccuracy = 1e-2, |
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218 | AbsoluteAccuracy = 1e-6, |
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219 | EventAccuracy = 1e-2 |
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220 | ); |
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221 | end |
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