1 | #*---------------------------------------------- |
---|
2 | * FlowSheet generated automaticaly by EMSO-GUI |
---|
3 | *----------------------------------------------*# |
---|
4 | |
---|
5 | using "streams"; |
---|
6 | using "controllers/heat_flow"; |
---|
7 | using "controllers/PIDs"; |
---|
8 | using "stage_separators/column"; |
---|
9 | using "pressure_changers/valve"; |
---|
10 | |
---|
11 | FlowSheet Column_Reactive_Diagram |
---|
12 | PARAMETERS |
---|
13 | PP as Plugin(Brief="Physical Properties", |
---|
14 | Type="PP", |
---|
15 | Components = ["acetic acid","ethanol","ethyl acetate","water"], |
---|
16 | LiquidModel = "UNIFAC", |
---|
17 | VapourModel = "Ideal" |
---|
18 | ); |
---|
19 | NComp as Integer; |
---|
20 | SET |
---|
21 | NComp = PP.NumberOfComponents; |
---|
22 | |
---|
23 | DEVICES |
---|
24 | feed as simple_source; |
---|
25 | |
---|
26 | SET |
---|
27 | feed.ValidPhases = "Vapour-Liquid"; |
---|
28 | |
---|
29 | SPECIFY |
---|
30 | feed.MolarComposition(1) = 0.4962; |
---|
31 | feed.MolarComposition(2) = 0.4808; |
---|
32 | feed.MolarComposition(3) = 0.0; |
---|
33 | feed.MolarComposition(4) = 0.0229; |
---|
34 | feed.F = 1.076 * 'mol/s'; |
---|
35 | feed.T = 300 * 'K'; |
---|
36 | feed.P = 3 * 'atm'; |
---|
37 | |
---|
38 | INITIAL |
---|
39 | |
---|
40 | GUESS |
---|
41 | |
---|
42 | DEVICES |
---|
43 | hx_condenser as heat_flow; |
---|
44 | |
---|
45 | SET |
---|
46 | hx_condenser.MinHeatFlow = -100 * 'kJ/s'; |
---|
47 | hx_condenser.MaxHeatFlow = 0 * 'kJ/s'; |
---|
48 | |
---|
49 | SPECIFY |
---|
50 | |
---|
51 | INITIAL |
---|
52 | |
---|
53 | GUESS |
---|
54 | |
---|
55 | DEVICES |
---|
56 | PIDT_reboiler as PID; |
---|
57 | |
---|
58 | SET |
---|
59 | PIDT_reboiler.PID_Select = "Ideal_AW"; |
---|
60 | PIDT_reboiler.Action = "Reverse"; |
---|
61 | PIDT_reboiler.Mode = "Automatic"; |
---|
62 | PIDT_reboiler.Clip = "Clipped"; |
---|
63 | PIDT_reboiler.alpha = 0.2; |
---|
64 | PIDT_reboiler.beta = 1; |
---|
65 | PIDT_reboiler.bias = 0.2; |
---|
66 | PIDT_reboiler.derivTime = 1 * 's'; |
---|
67 | PIDT_reboiler.intTime = 100 * 's'; |
---|
68 | PIDT_reboiler.gain = 1; |
---|
69 | PIDT_reboiler.gamma = 1; |
---|
70 | PIDT_reboiler.tau = 1 * 's'; |
---|
71 | PIDT_reboiler.tauSet = 1 * 's'; |
---|
72 | PIDT_reboiler.MinInput = 200; |
---|
73 | PIDT_reboiler.MaxInput = 400; |
---|
74 | PIDT_reboiler.MinOutput = 0; |
---|
75 | PIDT_reboiler.MaxOutput = 1; |
---|
76 | |
---|
77 | SPECIFY |
---|
78 | PIDT_reboiler.SetPoint = 366; |
---|
79 | |
---|
80 | INITIAL |
---|
81 | |
---|
82 | GUESS |
---|
83 | |
---|
84 | DEVICES |
---|
85 | PIDT_condenser as PID; |
---|
86 | |
---|
87 | SET |
---|
88 | PIDT_condenser.PID_Select = "Ideal_AW"; |
---|
89 | PIDT_condenser.Action = "Reverse"; |
---|
90 | PIDT_condenser.Mode = "Automatic"; |
---|
91 | PIDT_condenser.Clip = "Clipped"; |
---|
92 | PIDT_condenser.alpha = 0.2; |
---|
93 | PIDT_condenser.beta = 1; |
---|
94 | PIDT_condenser.bias = 0.5; |
---|
95 | PIDT_condenser.derivTime = 1 * 's'; |
---|
96 | PIDT_condenser.intTime = 100 * 's'; |
---|
97 | PIDT_condenser.gain = 0.9; |
---|
98 | PIDT_condenser.gamma = 1; |
---|
99 | PIDT_condenser.tau = 1 * 's'; |
---|
100 | PIDT_condenser.tauSet = 1 * 's'; |
---|
101 | PIDT_condenser.MinInput = 250; |
---|
102 | PIDT_condenser.MaxInput = 380; |
---|
103 | PIDT_condenser.MinOutput = 0; |
---|
104 | PIDT_condenser.MaxOutput = 1; |
---|
105 | |
---|
106 | SPECIFY |
---|
107 | PIDT_condenser.SetPoint = 346; |
---|
108 | |
---|
109 | INITIAL |
---|
110 | |
---|
111 | GUESS |
---|
112 | |
---|
113 | DEVICES |
---|
114 | Reactive_Tower as ReactiveDistillation; |
---|
115 | |
---|
116 | SET |
---|
117 | Reactive_Tower.NumberOfTrays = 11; |
---|
118 | Reactive_Tower.FeedTrayLocation = 5; |
---|
119 | Reactive_Tower.LiquidSideStreamLocation = 2; |
---|
120 | Reactive_Tower.VapourSideStreamLocation = 2; |
---|
121 | Reactive_Tower.alfacond = 100000; |
---|
122 | Reactive_Tower.beta = 0.8; |
---|
123 | Reactive_Tower.alfa = 30; |
---|
124 | Reactive_Tower.VolumeOfTray = 0.0961 * 'm^3'; |
---|
125 | Reactive_Tower.HeatSupply = 0 * 'kW'; |
---|
126 | Reactive_Tower.PlateArea = 0.07 * 'm^2'; |
---|
127 | Reactive_Tower.HolesArea = 0.04 * 'm^2'; |
---|
128 | Reactive_Tower.WeirLength = 0.457 * 'm'; |
---|
129 | Reactive_Tower.WeirHeight = 0.05 * 'm'; |
---|
130 | Reactive_Tower.stoic(1) = -1; |
---|
131 | Reactive_Tower.stoic(2) = -1; |
---|
132 | Reactive_Tower.stoic(3) = 1; |
---|
133 | Reactive_Tower.stoic(4) = 1; |
---|
134 | Reactive_Tower.Hr = 0 * 'kJ/kmol'; |
---|
135 | Reactive_Tower.INITIALIZATION.TopTemperature = 300 * 'K'; |
---|
136 | Reactive_Tower.INITIALIZATION.BottomTemperature = 310 * 'K'; |
---|
137 | Reactive_Tower.INITIALIZATION.LevelFraction = 0.1; |
---|
138 | Reactive_Tower.INITIALIZATION.TopComposition(1) = 0.4962; |
---|
139 | Reactive_Tower.INITIALIZATION.TopComposition(2) = 0.4808; |
---|
140 | Reactive_Tower.INITIALIZATION.TopComposition(3) = 0; |
---|
141 | Reactive_Tower.INITIALIZATION.TopComposition(4) = 0; |
---|
142 | Reactive_Tower.INITIALIZATION.BottomComposition(1) = 0.4962; |
---|
143 | Reactive_Tower.INITIALIZATION.BottomComposition(2) = 0.4808; |
---|
144 | Reactive_Tower.INITIALIZATION.BottomComposition(3) = 0; |
---|
145 | Reactive_Tower.INITIALIZATION.BottomComposition(4) = 0; |
---|
146 | Reactive_Tower.CONDENSER.V = 6 * 'l'; |
---|
147 | Reactive_Tower.CONDENSER.Across = 6 * 'l/m'; |
---|
148 | Reactive_Tower.CONDENSER.stoic(1) = -1; |
---|
149 | Reactive_Tower.CONDENSER.stoic(2) = -1; |
---|
150 | Reactive_Tower.CONDENSER.stoic(3) = 1; |
---|
151 | Reactive_Tower.CONDENSER.stoic(4) = 1; |
---|
152 | Reactive_Tower.CONDENSER.Hr = 0 * 'kJ/kmol'; |
---|
153 | Reactive_Tower.CONDENSER.Initial_Level = 0.4 * 'm'; |
---|
154 | Reactive_Tower.CONDENSER.Initial_Temperature = 300 * 'K'; |
---|
155 | Reactive_Tower.CONDENSER.Initial_Composition(1) = 0.4962; |
---|
156 | Reactive_Tower.CONDENSER.Initial_Composition(2) = 0.4808; |
---|
157 | Reactive_Tower.CONDENSER.Initial_Composition(3) = 0; |
---|
158 | Reactive_Tower.CONDENSER.Initial_Composition(4) = 0; |
---|
159 | Reactive_Tower.REBOILER.Across = 20 * 'l/m'; |
---|
160 | Reactive_Tower.REBOILER.V = 20 * 'l'; |
---|
161 | Reactive_Tower.REBOILER.stoic(1) = -1; |
---|
162 | Reactive_Tower.REBOILER.stoic(2) = -1; |
---|
163 | Reactive_Tower.REBOILER.stoic(3) = 1; |
---|
164 | Reactive_Tower.REBOILER.stoic(4) = 1; |
---|
165 | Reactive_Tower.REBOILER.Hr = 0 * 'kJ/kmol'; |
---|
166 | Reactive_Tower.REBOILER.Initial_Level = 0.4 * 'm'; |
---|
167 | Reactive_Tower.REBOILER.Initial_Temperature = 300 * 'K'; |
---|
168 | Reactive_Tower.REBOILER.Initial_Composition(1) = 0.4962; |
---|
169 | Reactive_Tower.REBOILER.Initial_Composition(2) = 0.4808; |
---|
170 | Reactive_Tower.REBOILER.Initial_Composition(3) = 0; |
---|
171 | Reactive_Tower.REBOILER.Initial_Composition(4) = 0; |
---|
172 | |
---|
173 | SPECIFY |
---|
174 | Reactive_Tower.VapourDrawOffFlow = 0 * 'kmol/h'; |
---|
175 | Reactive_Tower.LiquidDrawOffFlow = 0 * 'kmol/h'; |
---|
176 | Reactive_Tower.MurphreeEff = 1; |
---|
177 | Reactive_Tower.CONDENSER.OutletVapour.F = 0 * 'kmol/h'; |
---|
178 | Reactive_Tower.SPLITTER.FlowRatios(1) = 0.09; |
---|
179 | Reactive_Tower.PUMP.dP = 2 * 'atm'; |
---|
180 | |
---|
181 | INITIAL |
---|
182 | |
---|
183 | GUESS |
---|
184 | |
---|
185 | DEVICES |
---|
186 | bottom as simple_sink; |
---|
187 | |
---|
188 | SET |
---|
189 | |
---|
190 | SPECIFY |
---|
191 | |
---|
192 | INITIAL |
---|
193 | |
---|
194 | GUESS |
---|
195 | |
---|
196 | DEVICES |
---|
197 | top as simple_sink; |
---|
198 | |
---|
199 | SET |
---|
200 | |
---|
201 | SPECIFY |
---|
202 | |
---|
203 | INITIAL |
---|
204 | |
---|
205 | GUESS |
---|
206 | |
---|
207 | DEVICES |
---|
208 | valve_bottom as valve_flow; |
---|
209 | |
---|
210 | SET |
---|
211 | valve_bottom.MinFlow = 0 * 'kmol/h'; |
---|
212 | valve_bottom.MaxFlow = 6 * 'kmol/h'; |
---|
213 | |
---|
214 | SPECIFY |
---|
215 | |
---|
216 | INITIAL |
---|
217 | |
---|
218 | GUESS |
---|
219 | |
---|
220 | DEVICES |
---|
221 | PIDL_reboiler as PID; |
---|
222 | |
---|
223 | SET |
---|
224 | PIDL_reboiler.PID_Select = "Ideal_AW"; |
---|
225 | PIDL_reboiler.Action = "Reverse"; |
---|
226 | PIDL_reboiler.Mode = "Automatic"; |
---|
227 | PIDL_reboiler.Clip = "Clipped"; |
---|
228 | PIDL_reboiler.alpha = 1; |
---|
229 | PIDL_reboiler.beta = 1; |
---|
230 | PIDL_reboiler.bias = 0; |
---|
231 | PIDL_reboiler.derivTime = 0 * 's'; |
---|
232 | PIDL_reboiler.intTime = 20 * 's'; |
---|
233 | PIDL_reboiler.gain = 0.9; |
---|
234 | PIDL_reboiler.gamma = 1; |
---|
235 | PIDL_reboiler.tau = 1 * 's'; |
---|
236 | PIDL_reboiler.tauSet = 1 * 's'; |
---|
237 | PIDL_reboiler.MinInput = 0.1; |
---|
238 | PIDL_reboiler.MaxInput = 0.8; |
---|
239 | PIDL_reboiler.MinOutput = 0; |
---|
240 | PIDL_reboiler.MaxOutput = 1; |
---|
241 | |
---|
242 | SPECIFY |
---|
243 | PIDL_reboiler.SetPoint = 0.5; |
---|
244 | |
---|
245 | INITIAL |
---|
246 | |
---|
247 | GUESS |
---|
248 | |
---|
249 | DEVICES |
---|
250 | PIDL_condenser as PID; |
---|
251 | |
---|
252 | SET |
---|
253 | PIDL_condenser.PID_Select = "Ideal_AW"; |
---|
254 | PIDL_condenser.Action = "Reverse"; |
---|
255 | PIDL_condenser.Mode = "Automatic"; |
---|
256 | PIDL_condenser.Clip = "Clipped"; |
---|
257 | PIDL_condenser.alpha = 1; |
---|
258 | PIDL_condenser.beta = 1; |
---|
259 | PIDL_condenser.bias = 0.5; |
---|
260 | PIDL_condenser.derivTime = 1 * 's'; |
---|
261 | PIDL_condenser.intTime = 10 * 's'; |
---|
262 | PIDL_condenser.gain = 1; |
---|
263 | PIDL_condenser.gamma = 1; |
---|
264 | PIDL_condenser.tau = 1 * 's'; |
---|
265 | PIDL_condenser.tauSet = 1 * 's'; |
---|
266 | PIDL_condenser.MinInput = 0.1; |
---|
267 | PIDL_condenser.MaxInput = 0.8; |
---|
268 | PIDL_condenser.MinOutput = 0; |
---|
269 | PIDL_condenser.MaxOutput = 1; |
---|
270 | |
---|
271 | SPECIFY |
---|
272 | PIDL_condenser.SetPoint = 0.5; |
---|
273 | |
---|
274 | INITIAL |
---|
275 | |
---|
276 | GUESS |
---|
277 | |
---|
278 | DEVICES |
---|
279 | valve_top as valve_flow; |
---|
280 | |
---|
281 | SET |
---|
282 | valve_top.MinFlow = 0 * 'kmol/h'; |
---|
283 | valve_top.MaxFlow = 2 * 'kmol/h'; |
---|
284 | |
---|
285 | SPECIFY |
---|
286 | |
---|
287 | INITIAL |
---|
288 | |
---|
289 | GUESS |
---|
290 | |
---|
291 | DEVICES |
---|
292 | heat_flow_1 as heat_flow; |
---|
293 | |
---|
294 | SET |
---|
295 | heat_flow_1.MinHeatFlow = 0 * 'kW'; |
---|
296 | heat_flow_1.MaxHeatFlow = 150 * 'kW'; |
---|
297 | |
---|
298 | SPECIFY |
---|
299 | |
---|
300 | INITIAL |
---|
301 | |
---|
302 | GUESS |
---|
303 | |
---|
304 | CONNECTIONS |
---|
305 | PIDT_condenser.Output to hx_condenser.HeatFlowFraction; |
---|
306 | feed.Outlet to Reactive_Tower.FeedTray; |
---|
307 | hx_condenser.HeatFlow to Reactive_Tower.HeatToCondenser; |
---|
308 | Reactive_Tower.TRI to PIDT_reboiler.Input; |
---|
309 | valve_bottom.Outlet to bottom.Inlet; |
---|
310 | Reactive_Tower.BottomProduct to valve_bottom.Inlet; |
---|
311 | PIDL_reboiler.Output to valve_bottom.FlowFraction; |
---|
312 | Reactive_Tower.LRI to PIDL_reboiler.Input; |
---|
313 | Reactive_Tower.TCI to PIDT_condenser.Input; |
---|
314 | Reactive_Tower.LCI to PIDL_condenser.Input; |
---|
315 | Reactive_Tower.VapourDistillate to top.Inlet; |
---|
316 | Reactive_Tower.LiquidDistillate to valve_top.Inlet; |
---|
317 | PIDL_condenser.Output to valve_top.FlowFraction; |
---|
318 | heat_flow_1.HeatFlow to Reactive_Tower.HeatToReboiler; |
---|
319 | PIDT_reboiler.Output to heat_flow_1.HeatFlowFraction; |
---|
320 | |
---|
321 | OPTIONS |
---|
322 | Dynamic = true; |
---|
323 | TimeStep = 0.1; |
---|
324 | TimeEnd = 100; |
---|
325 | TimeUnit = 's'; |
---|
326 | Integration = "original"; |
---|
327 | NLASolver( |
---|
328 | File = "nlasolver", |
---|
329 | RelativeAccuracy = 1e-3, |
---|
330 | AbsoluteAccuracy = 1e-6, |
---|
331 | MaxIterations = 100 |
---|
332 | ); |
---|
333 | DAESolver( |
---|
334 | File = "sundials", |
---|
335 | RelativeAccuracy = 1e-2, |
---|
336 | AbsoluteAccuracy = 1e-6, |
---|
337 | EventAccuracy = 1e-2 |
---|
338 | ); |
---|
339 | end |
---|