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column.mso @ 868

Last change on this file since 868 was 848, checked in by Rafael de Pelegrini Soares, 14 years ago
Improved packed column models
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 43.1 KB

Rev	Line
[72]	1	#*-------------------------------------------------------------------
	2	* EMSO Model Library (EML) Copyright (C) 2004 - 2007 ALSOC.
	3	*
	4	* This LIBRARY is free software; you can distribute it and/or modify
	5	* it under the therms of the ALSOC FREE LICENSE as available at
	6	* http://www.enq.ufrgs.br/alsoc.
	7	*
	8	* EMSO Copyright (C) 2004 - 2007 ALSOC, original code
	9	* from http://www.rps.eng.br Copyright (C) 2002-2004.
	10	* All rights reserved.
	11	*
	12	* EMSO is distributed under the therms of the ALSOC LICENSE as
	13	* available at http://www.enq.ufrgs.br/alsoc.
	14	*
	15	*----------------------------------------------------------------------
[1]	16	* File containg models of columns: distillation, stripping, absorbers
	17	* rectifier, ....
	18	*
	19	* The default nomenclature is:
	20	* Type_Column_reboilertype_condensertyper
	21	*
	22	* where:
	23	* Type = refluxed or reboiled or section
	24	* Column = Stripping, Absorption, Rectifier, Distillation
	25	* Reboiler type (if exists) = kettle or thermosyphon
	26	* Condenser type (if exists) = with subccoling or without subcooling
	27	*
	28	*-----------------------------------------------------------------------
	29	* Author: Paula B. Staudt
	30	* $Id: column.mso 848 2009-10-03 22:15:28Z rafael $
	31	---------------------------------------------------------------------#
	32
	33	using "tray";
	34	using "reboiler";
	35	using "condenser";
	36	using "mixers_splitters/splitter";
	37	using "tank";
	38	using "pressure_changers/pump";
	39
	40	#*----------------------------------------------------------------------
	41	* Model of a column section with:
[262]	42	* - NTrays=number of trays.
[1]	43	*
	44	---------------------------------------------------------------------#
	45	Model Section_Column
[262]	46	ATTRIBUTES
	47	Pallete = true;
[300]	48	Icon = "icon/SectionColumn";
[262]	49	Brief = "Model of a column section.";
	50	Info =
[353]	51	"== Model of a column section containing ==
	52	* NTrays trays.
[262]	53
[353]	54	== Specify ==
	55	* the feed stream of each tray (Inlet);
	56	* the Murphree eficiency for each tray Emv;
	57	* the InletL stream of the top tray;
	58	* the InletV stream of the bottom tray.
[262]	59
[353]	60	== Initial Conditions ==
	61	* the trays temperature (OutletL.T);
	62	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	63	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray.
	64	";
[262]	65
[1]	66	PARAMETERS
[210]	67	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	68	outer NComp as Integer;
[1]	69	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	70	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	71	top as Integer(Brief="Number of top tray");
	72	bot as Integer(Brief="Number of bottom tray");
	73
	74	SET
	75	top = (NTrays-1)*(1-topdown)/2+1;
	76	bot = NTrays/top;
[1]	77
	78	VARIABLES
	79	trays(NTrays) as tray;
	80
	81	CONNECTIONS
[6]	82	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
	83	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
[1]	84	end
	85
	86
	87	#*----------------------------------------------------------------------
	88	* Model of a distillation column containing:
	89	* - NTrays like tray;
	90	* - a kettle reboiler;
	91	* - dymamic condenser;
	92	* - a splitter which separate reflux and distillate;
	93	* - a pump in reflux stream;
	94	---------------------------------------------------------------------#
	95	Model Distillation_kettle_cond
[262]	96	ATTRIBUTES
	97	Pallete = true;
[300]	98	Icon = "icon/DistillationKettleCond";
[262]	99	Brief = "Model of a distillation column with dynamic condenser and dynamic reboiler.";
	100	Info =
[353]	101	"== Specify ==
	102	* the feed stream of each tray (Inlet);
	103	* the Murphree eficiency for each tray Emv;
	104	* the pump pressure difference;
	105	* the heat supllied in reboiler and condenser;
	106	* the condenser vapor outlet flow (OutletV.F);
	107	* the reboiler liquid outlet flow (OutletL.F);
	108	* both splitter outlet flows OR one of the splitter outlet flows and the splitter frac.
[262]	109
[353]	110	== Initial Conditions ==
	111	* the trays temperature (OutletL.T);
	112	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	113	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	114
[353]	115	* the condenser temperature (OutletL.T);
	116	* the condenser liquid level (Level);
	117	* (NoComps - 1) OutletL (OR OutletV) compositions;
[262]	118
[353]	119	* the reboiler temperature (OutletL.T);
	120	* the reboiler liquid level (Level);
	121	* (NoComps - 1) OutletL (OR OutletV) compositions.
	122	";
[262]	123
[1]	124	PARAMETERS
[210]	125	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	126	outer NComp as Integer;
[1]	127	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	128	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	129	top as Integer(Brief="Number of top tray");
	130	bot as Integer(Brief="Number of bottom tray");
[398]	131	VapourFlow as Switcher(Valid = ["on", "off"], Default = "on");
	132
[6]	133	SET
	134	top = (NTrays-1)*(1-topdown)/2+1;
	135	bot = NTrays/top;
[1]	136
	137	VARIABLES
	138	trays(NTrays) as tray;
	139	cond as condenser;
	140	reb as reboiler;
[6]	141	sptop as splitter;
[1]	142	pump1 as pump;
[398]	143	alfaTopo as Real;
	144
[1]	145	EQUATIONS
[398]	146	switch VapourFlow
	147	case "on":
	148	cond.InletV.Ftrays(top).vV = alfaTopo trays(top).Ah * sqrt(2*(trays(top).OutletV.P -
[176]	149	cond.OutletL.P + 1e-8 * 'atm') / (trays(top).alfa*trays(top).rhoV));
[398]	150	when cond.InletV.F < 1e-6 * 'kmol/h' switchto "off";
[1]	151
[398]	152	case "off":
	153	cond.InletV.F = 0 * 'mol/s';
	154	when trays(top).OutletV.P > cond.OutletL.P + 1e-1 * 'atm' switchto "on";
	155	end
[6]	156
[1]	157	CONNECTIONS
	158	#vapor
[6]	159	reb.OutletV to trays(bot).InletV;
	160	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
	161	trays(top).OutletV to cond.InletV;
	162
[1]	163	#liquid
[6]	164	cond.OutletL to sptop.Inlet;
	165	sptop.Outlet2 to pump1.Inlet;
	166	pump1.Outlet to trays(top).InletL;
	167	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
	168	trays(bot).OutletL to reb.InletL;
[1]	169	end
	170
	171
	172	#* -------------------------------------------------------------------
	173	* Distillation Column model with:
	174	*
	175	* - NTrays like tray;
	176	* - a vessel in the bottom of column;
	177	* - a splitter who separate the bottom product and the stream to reboiler;
	178	* - steady state reboiler (thermosyphon);
	179	* - a steady state condenser with subcooling;
	180	* - a vessel drum (layed cilinder);
	181	* - a splitter which separate reflux and distillate;
	182	* - a pump in reflux stream.
	183	*
	184	* ------------------------------------------------------------------*#
	185	Model Distillation_thermosyphon_subcooling
[262]	186	ATTRIBUTES
	187	Pallete = true;
[300]	188	Icon = "icon/DistillationThermosyphonSubcooling";
[262]	189	Brief = "Model of a distillation column with steady condenser and steady reboiler.";
	190	Info =
[353]	191	"== Specify ==
	192	* the feed stream of each tray (Inlet);
	193	* the Murphree eficiency for each tray Emv;
	194	* the pump head;
	195	* the condenser pressure drop;
	196	* the heat supllied in top and bottom tanks;
	197	* the heat supllied in condenser and reboiler;
	198	* the Outlet1 flow in the bottom splitter (spbottom.Outlet1.F) that corresponds to the bottom product;
	199	* both top splitter outlet flows OR one of the splitter outlet flows and the splitter frac.
[262]	200
[353]	201	== Initial Conditions ==
	202	* the trays temperature (OutletL.T);
	203	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	204	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	205
[353]	206	* the top tank temperature (OutletL.T);
	207	* the top tank liquid level (Level);
	208	* (NoComps - 1) OutletL (OR OutletV) compositions;
[262]	209
[353]	210	* the bottom tank temperature (OutletL.T);
	211	* the bottom tank liquid level (Level);
	212	* (NoComps - 1) OutletL (OR OutletV) compositions.
	213	";
[262]	214
[1]	215	PARAMETERS
[210]	216	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	217	outer NComp as Integer;
[1]	218	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	219	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	220	top as Integer(Brief="Number of top tray");
	221	bot as Integer(Brief="Number of bottom tray");
[398]	222	VapourFlow as Switcher(Valid = ["on", "off"], Default = "on");
[6]	223
	224	SET
	225	top = (NTrays-1)*(1-topdown)/2+1;
	226	bot = NTrays/top;
[1]	227
	228	VARIABLES
	229	trays(NTrays) as tray;
	230	cond as condenserSteady;
	231	reb as reboilerSteady;
	232	tbottom as tank;
	233	ttop as tank_cylindrical;
	234	spbottom as splitter;
	235	sptop as splitter;
	236	pump1 as pump;
[398]	237	alfaTopo as Real;
[1]	238
	239	EQUATIONS
[398]	240	switch VapourFlow
	241	case "on":
	242	cond.InletV.Ftrays(top).vV = alfaTopo trays(top).Ah * sqrt(2*(trays(top).OutletV.P -
	243	cond.OutletL.P + 1e-8 * 'atm') / (trays(top).alfa*trays(top).rhoV));
	244	when cond.InletV.F < 1e-6 * 'kmol/h' switchto "off";
	245
	246	case "off":
	247	cond.InletV.F = 0 * 'mol/s';
	248	when trays(top).OutletV.P > cond.OutletL.P + 1e-1 * 'atm' switchto "on";
[102]	249	end
	250
[1]	251	CONNECTIONS
	252	#vapor
[6]	253	reb.OutletV to trays(bot).InletV;
	254	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
	255	trays(top).OutletV to cond.InletV;
[1]	256
	257	#liquid
[6]	258	cond.OutletL to ttop.Inlet;
	259	ttop.Outlet to sptop.Inlet;
	260	sptop.Outlet2 to pump1.Inlet;
	261	pump1.Outlet to trays(top).InletL;
	262	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
	263	trays(bot).OutletL to tbottom.Inlet;
[1]	264	tbottom.Outlet to spbottom.Inlet;
	265	spbottom.Outlet2 to reb.InletL;
	266	end
	267
	268
	269	#* -------------------------------------------------------------------
	270	* Distillation Column model with:
	271	*
	272	* - NTrays like tray;
	273	* - a vessel in the bottom of column;
	274	* - a splitter who separate the bottom product and the stream to reboiler;
	275	* - steady state reboiler (thermosyphon);
	276	* - a dynamic condenser without subcooling;
	277	* - a splitter which separate reflux and distillate;
	278	* - a pump in reflux stream.
	279	*
	280	* ------------------------------------------------------------------*#
	281	Model Distillation_thermosyphon_cond
[262]	282	ATTRIBUTES
	283	Pallete = true;
[300]	284	Icon = "icon/DistillationThermosyphonCond";
[262]	285	Brief = "Model of a distillation column with dynamic condenser and steady reboiler.";
	286	Info =
[353]	287	"== Specify ==
	288	* the feed stream of each tray (Inlet);
	289	* the Murphree eficiency for each tray Emv;
	290	* the pump head;
	291	* the condenser vapor outlet flow (OutletV.F);
	292	* the heat supllied in bottom tank;
	293	* the heat supllied in condenser and reboiler;
	294	* the Outlet1 flow in the bottom splitter (spbottom.Outlet1.F) that corresponds to the bottom product;
[262]	295
[353]	296	== Initial Conditions ==
	297	* the trays temperature (OutletL.T);
	298	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	299	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	300
[353]	301	* the condenser temperature (OutletL.T);
	302	* the condenser liquid level (Level);
	303	* (NoComps - 1) OutletL (OR OutletV) compositions;
[262]	304
[353]	305	* the bottom tank temperature (OutletL.T);
	306	* the bottom tank liquid level (Level);
	307	* (NoComps - 1) OutletL (OR OutletV) compositions.
	308	";
[262]	309
[1]	310	PARAMETERS
[210]	311	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	312	outer NComp as Integer;
[1]	313	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	314	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	315	top as Integer(Brief="Number of top tray");
	316	bot as Integer(Brief="Number of bottom tray");
[398]	317	VapourFlow as Switcher(Valid = ["on", "off"], Default = "on");
[6]	318
	319	SET
	320	top = (NTrays-1)*(1-topdown)/2+1;
	321	bot = NTrays/top;
[1]	322
	323	VARIABLES
	324	trays(NTrays) as tray;
	325	cond as condenser;
	326	reb as reboilerSteady;
	327	tbottom as tank;
	328	spbottom as splitter;
	329	sptop as splitter;
	330	pump1 as pump;
[398]	331	alfaTopo as Real;
[1]	332
	333	EQUATIONS
[398]	334	switch VapourFlow
	335	case "on":
	336	cond.InletV.Ftrays(top).vV = alfaTopo trays(top).Ah * sqrt(2*(trays(top).OutletV.P -
[176]	337	cond.OutletL.P + 1e-8 * 'atm') / (trays(top).alfa*trays(top).rhoV));
[398]	338	when cond.InletV.F < 1e-6 * 'kmol/h' switchto "off";
[1]	339
[398]	340	case "off":
	341	cond.InletV.F = 0 * 'mol/s';
	342	when trays(top).OutletV.P > cond.OutletL.P + 1e-1 * 'atm' switchto "on";
	343	end
[1]	344
	345	CONNECTIONS
	346	#vapor
[6]	347	reb.OutletV to trays(bot).InletV;
	348	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
	349	trays(top).OutletV to cond.InletV;
[1]	350
	351	#liquid
	352	cond.OutletL to sptop.Inlet;
	353	sptop.Outlet2 to pump1.Inlet;
[6]	354	pump1.Outlet to trays(top).InletL;
	355	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
	356	trays(bot).OutletL to tbottom.Inlet;
[1]	357	tbottom.Outlet to spbottom.Inlet;
	358	spbottom.Outlet2 to reb.InletL;
	359	end
	360
	361	#* -------------------------------------------------------------------
	362	* Distillation Column model with:
	363	*
	364	* - NTrays like tray;
	365	* - a kettle reboiler;
	366	* - a steady state condenser with subcooling;
	367	* - a vessel drum (layed cilinder);
	368	* - a splitter which separate reflux and distillate;
	369	* - a pump in reflux stream.
	370	*
	371	* ------------------------------------------------------------------*#
	372	Model Distillation_kettle_subcooling
[262]	373	ATTRIBUTES
	374	Pallete = true;
[300]	375	Icon = "icon/DistillationKettleSubcooling";
[262]	376	Brief = "Model of a distillation column with steady condenser and dynamic reboiler.";
	377	Info =
[353]	378	"== Specify ==
	379	* the feed stream of each tray (Inlet);
	380	* the Murphree eficiency for each tray (Emv);
	381	* the pump pressure difference;
	382	* the heat supllied in reboiler and condenser;
	383	* the heat supllied in the top tank;
	384	* the condenser pressure drop;
	385	* the reboiler liquid outlet flow (OutletL.F);
	386	* both splitter outlet flows OR one of the splitter outlet flows and the splitter frac.
[262]	387
[353]	388	== Initial Conditions ==
	389	* the trays temperature (OutletL.T);
	390	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	391	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	392
[353]	393	* the top tank temperature (OutletL.T);
	394	* the top tank liquid level (Level);
	395	* (NoComps - 1) OutletL (OR OutletV) compositions;
[262]	396
[353]	397	* the reboiler temperature (OutletL.T);
	398	* the reboiler liquid level (Level);
	399	* (NoComps - 1) OutletL (OR OutletV) compositions.
	400	";
[262]	401
[1]	402	PARAMETERS
[210]	403	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	404	outer NComp as Integer;
[1]	405	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	406	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	407	top as Integer(Brief="Number of top tray");
	408	bot as Integer(Brief="Number of bottom tray");
[398]	409	VapourFlow as Switcher(Valid = ["on", "off"], Default = "on");
[6]	410
	411	SET
	412	top = (NTrays-1)*(1-topdown)/2+1;
	413	bot = NTrays/top;
[1]	414
	415	VARIABLES
	416	trays(NTrays) as tray;
	417	cond as condenserSteady;
	418	reb as reboiler;
	419	ttop as tank_cylindrical;
	420	sptop as splitter;
	421	pump1 as pump;
[398]	422	alfaTopo as Real;
[1]	423
	424	EQUATIONS
[398]	425	switch VapourFlow
	426	case "on":
	427	cond.InletV.Ftrays(top).vV = alfaTopo trays(top).Ah * sqrt(2*(trays(top).OutletV.P -
	428	cond.OutletL.P + 1e-8 * 'atm') / (trays(top).alfa*trays(top).rhoV));
	429	when cond.InletV.F < 1e-6 * 'kmol/h' switchto "off";
[1]	430
[398]	431	case "off":
	432	cond.InletV.F = 0 * 'mol/s';
	433	when trays(top).OutletV.P > cond.OutletL.P + 1e-1 * 'atm' switchto "on";
	434	end
[1]	435
	436	CONNECTIONS
	437	#vapor
[6]	438	reb.OutletV to trays(bot).InletV;
	439	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
	440	trays(top).OutletV to cond.InletV;
[1]	441
	442	#liquid
[6]	443	cond.OutletL to ttop.Inlet;
	444	ttop.Outlet to sptop.Inlet;
	445	sptop.Outlet2 to pump1.Inlet;
	446	pump1.Outlet to trays(top).InletL;
	447	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
	448	trays(bot).OutletL to reb.InletL;
[1]	449	end
	450
	451
	452	#*----------------------------------------------------------------------
	453	* Model of a rectifier containing:
	454	* - NTrays like tray;
	455	* - dymamic condenser without subcooling;
	456	* - a splitter which separate reflux and distillate;
	457	* - a pump in reflux stream;
	458	---------------------------------------------------------------------#
	459	Model Rectifier
[262]	460	ATTRIBUTES
	461	Pallete = true;
[300]	462	Icon = "icon/RefluxedCond";
[262]	463	Brief = "Model of a rectifier column with dynamic condenser.";
	464	Info =
[353]	465	"== Specify ==
	466	* the feed stream of each tray (Inlet);
	467	* the Murphree eficiency for each tray Emv;
[398]	468	* the InletV stream of the bottom tray unless its flow;
[353]	469	* the pump pressure difference;
	470	* the heat supllied in the condenser;
	471	* the condenser vapor outlet flow (OutletV.F);
	472	* both splitter outlet flows OR one of the splitter outlet flows and the splitter frac.
[262]	473
[353]	474	== Initial Conditions ==
	475	* the trays temperature (OutletL.T);
	476	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	477	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	478
[353]	479	* the condenser temperature (OutletL.T);
	480	* the condenser liquid level (Level);
	481	* (NoComps - 1) OutletL (OR OutletV) compositions;
	482	";
[262]	483
[1]	484	PARAMETERS
[210]	485	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	486	outer NComp as Integer;
[1]	487	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	488	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	489	top as Integer(Brief="Number of top tray");
	490	bot as Integer(Brief="Number of bottom tray");
[398]	491	VapourFlow as Switcher(Valid = ["on", "off"], Default = "on");
[6]	492
	493	SET
	494	top = (NTrays-1)*(1-topdown)/2+1;
	495	bot = NTrays/top;
[1]	496
	497	VARIABLES
	498	trays(NTrays) as tray;
	499	cond as condenser;
[6]	500	sptop as splitter;
[1]	501	pump1 as pump;
[398]	502	alfaTopo as Real;
[1]	503
	504	EQUATIONS
[398]	505	switch VapourFlow
	506	case "on":
	507	cond.InletV.Ftrays(top).vV = alfaTopo trays(top).Ah * sqrt(2*(trays(top).OutletV.P -
[176]	508	cond.OutletL.P + 1e-8 * 'atm') / (trays(top).alfa*trays(top).rhoV));
[398]	509	when cond.InletV.F < 1e-6 * 'kmol/h' switchto "off";
[1]	510
[398]	511	case "off":
	512	cond.InletV.F = 0 * 'mol/s';
	513	when trays(top).OutletV.P > cond.OutletL.P + 1e-1 * 'atm' switchto "on";
	514	end
[1]	515
	516	CONNECTIONS
	517	#vapor
[6]	518	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
	519	trays(top).OutletV to cond.InletV;
	520
[1]	521	#liquid
[6]	522	cond.OutletL to sptop.Inlet;
	523	sptop.Outlet2 to pump1.Inlet;
	524	pump1.Outlet to trays(top).InletL;
	525	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
[1]	526	end
	527
	528
	529	#* -------------------------------------------------------------------
	530	* Rectifier Column with:
	531	*
	532	* - NTrays like tray;
	533	* - a steady state condenser with subcooling;
	534	* - a vessel drum (layed cilinder);
	535	* - a splitter which separate reflux and distillate;
	536	* - a pump in reflux stream.
	537	*
	538	* ------------------------------------------------------------------*#
	539	Model Rectifier_subcooling
[262]	540	ATTRIBUTES
	541	Pallete = true;
[300]	542	Icon = "icon/RefluxedSubcooling";
[262]	543	Brief = "Model of a rectifier column with steady condenser.";
	544	Info =
[353]	545	"== Specify ==
	546	* the feed stream of each tray (Inlet);
	547	* the Murphree eficiency for each tray Emv;
[398]	548	* the InletV stream of the bottom tray unless its flow;
[353]	549	* the pump head;
	550	* the condenser pressure drop;
	551	* the heat supllied in the top tank;
	552	* the heat supllied in condenser;
	553	* both top splitter outlet flows OR one of the splitter outlet flows and the splitter frac.
[262]	554
[353]	555	== Initial Conditions ==
	556	* the trays temperature (OutletL.T);
	557	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	558	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	559
[353]	560	* the top tank temperature (OutletL.T);
	561	* the top tank liquid level (Level);
	562	* (NoComps - 1) OutletL (OR OutletV) compositions;
	563	";
[262]	564
[1]	565	PARAMETERS
[210]	566	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	567	outer NComp as Integer;
[1]	568	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	569	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	570	top as Integer(Brief="Number of top tray");
	571	bot as Integer(Brief="Number of bottom tray");
[398]	572	VapourFlow as Switcher(Valid = ["on", "off"], Default = "on");
[6]	573
	574	SET
	575	top = (NTrays-1)*(1-topdown)/2+1;
	576	bot = NTrays/top;
[1]	577
	578	VARIABLES
	579	trays(NTrays) as tray;
	580	cond as condenserSteady;
	581	ttop as tank_cylindrical;
	582	sptop as splitter;
	583	pump1 as pump;
[398]	584	alfaTopo as Real;
[1]	585
	586	EQUATIONS
[398]	587	switch VapourFlow
	588	case "on":
	589	cond.InletV.Ftrays(top).vV = alfaTopo trays(top).Ah * sqrt(2*(trays(top).OutletV.P -
	590	cond.OutletL.P + 1e-8 * 'atm') / (trays(top).alfa*trays(top).rhoV));
	591	when cond.InletV.F < 1e-6 * 'kmol/h' switchto "off";
[1]	592
[398]	593	case "off":
	594	cond.InletV.F = 0 * 'mol/s';
	595	when trays(top).OutletV.P > cond.OutletL.P + 1e-1 * 'atm' switchto "on";
	596	end
[1]	597
	598	CONNECTIONS
	599	#vapor
[6]	600	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
	601	trays(top).OutletV to cond.InletV;
[1]	602
	603	#liquid
[6]	604	cond.OutletL to ttop.Inlet;
	605	ttop.Outlet to sptop.Inlet;
	606	sptop.Outlet2 to pump1.Inlet;
	607	pump1.Outlet to trays(top).InletL;
	608	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
[1]	609	end
	610
	611
	612	#*----------------------------------------------------------------------
	613	* Model of a Refluxed Stripping column containing:
	614	* - NTrays like tray;
	615	* - dymamic condenser without subcooling;
	616	* - a splitter which separate reflux and distillate;
	617	* - a pump in reflux stream;
	618	---------------------------------------------------------------------#
	619	Model Refluxed_Stripping
[262]	620	ATTRIBUTES
	621	Pallete = true;
[300]	622	Icon = "icon/RefluxedCond";
[262]	623	Brief = "Model of a refluxed stripping column with dynamic condenser.";
	624	Info =
[353]	625	"== Specify ==
	626	* the feed stream of each tray (Inlet);
	627	* the Murphree eficiency for each tray Emv;
[398]	628	* the InletV stream of the bottom tray unless its flow;
[353]	629	* the pump pressure difference;
	630	* the heat supllied in the condenser;
	631	* the condenser vapor outlet flow (OutletV.F);
	632	* both splitter outlet flows OR one of the splitter outlet flows and the splitter frac.
[262]	633
[353]	634	== Initial Conditions ==
	635	* the trays temperature (OutletL.T);
	636	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	637	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	638
[353]	639	* the condenser temperature (OutletL.T);
	640	* the condenser liquid level (Level);
	641	* (NoComps - 1) OutletL (OR OutletV) compositions;
	642	";
[262]	643
[1]	644	PARAMETERS
[210]	645	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	646	outer NComp as Integer;
[1]	647	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	648	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	649	top as Integer(Brief="Number of top tray");
	650	bot as Integer(Brief="Number of bottom tray");
[398]	651	VapourFlow as Switcher(Valid = ["on", "off"], Default = "on");
[6]	652
	653	SET
	654	top = (NTrays-1)*(1-topdown)/2+1;
	655	bot = NTrays/top;
[1]	656
	657	VARIABLES
	658	trays(NTrays) as tray;
	659	cond as condenser;
[6]	660	sptop as splitter;
[1]	661	pump1 as pump;
[398]	662	alfaTopo as Real;
[1]	663
	664	EQUATIONS
[398]	665	switch VapourFlow
	666	case "on":
	667	cond.InletV.Ftrays(top).vV = alfaTopo trays(top).Ah * sqrt(2*(trays(top).OutletV.P -
[176]	668	cond.OutletL.P + 1e-8 * 'atm') / (trays(top).alfa*trays(top).rhoV));
[398]	669	when cond.InletV.F < 1e-6 * 'kmol/h' switchto "off";
[1]	670
[398]	671	case "off":
	672	cond.InletV.F = 0 * 'mol/s';
	673	when trays(top).OutletV.P > cond.OutletL.P + 1e-1 * 'atm' switchto "on";
	674	end
[1]	675
	676	CONNECTIONS
	677	#vapor
[6]	678	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
	679	trays(top).OutletV to cond.InletV;
	680
[1]	681	#liquid
[6]	682	cond.OutletL to sptop.Inlet;
	683	sptop.Outlet2 to pump1.Inlet;
	684	pump1.Outlet to trays(top).InletL;
	685	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
[1]	686	end
	687
	688
	689	#* -------------------------------------------------------------------
	690	* Refluxed Stripping Column with:
	691	*
	692	* - NTrays like tray;
	693	* - a steady state condenser (with subcooling);
	694	* - a vessel drum (layed cilinder);
	695	* - a splitter which separate reflux and distillate;
	696	* - a pump in reflux stream.
	697	*
	698	* ------------------------------------------------------------------*#
	699	Model Refluxed_Stripping_subcooling
[262]	700	ATTRIBUTES
	701	Pallete = true;
[300]	702	Icon = "icon/RefluxedSubcooling";
[262]	703	Brief = "Model of a refluxed stripping column with steady condenser.";
	704	Info =
[353]	705	"== Specify ==
	706	* the feed stream of each tray (Inlet);
	707	* the Murphree eficiency for each tray Emv;
[398]	708	* the InletV stream of the bottom tray unless its flow;
[353]	709	* the pump head;
	710	* the condenser pressure drop;
	711	* the heat supllied in the top tank;
	712	* the heat supllied in condenser;
	713	* both top splitter outlet flows OR one of the splitter outlet flows and the splitter frac.
[262]	714
[353]	715	== Initial Conditions ==
	716	* the trays temperature (OutletL.T);
	717	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	718	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	719
[353]	720	* the top tank temperature (OutletL.T);
	721	* the top tank liquid level (Level);
	722	* (NoComps - 1) OutletL (OR OutletV) compositions;
	723	";
[262]	724
[1]	725	PARAMETERS
[210]	726	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	727	outer NComp as Integer;
[1]	728	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	729	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	730	top as Integer(Brief="Number of top tray");
	731	bot as Integer(Brief="Number of bottom tray");
[398]	732	VapourFlow as Switcher(Valid = ["on", "off"], Default = "on");
[6]	733
	734	SET
	735	top = (NTrays-1)*(1-topdown)/2+1;
	736	bot = NTrays/top;
[1]	737
	738	VARIABLES
	739	trays(NTrays) as tray;
	740	cond as condenserSteady;
	741	ttop as tank_cylindrical;
	742	sptop as splitter;
	743	pump1 as pump;
[398]	744	alfaTopo as Real;
[1]	745
	746	EQUATIONS
[398]	747	switch VapourFlow
	748	case "on":
	749	cond.InletV.Ftrays(top).vV = alfaTopo trays(top).Ah * sqrt(2*(trays(top).OutletV.P -
	750	cond.OutletL.P + 1e-8 * 'atm') / (trays(top).alfa*trays(top).rhoV));
	751	when cond.InletV.F < 1e-6 * 'kmol/h' switchto "off";
[1]	752
[398]	753	case "off":
	754	cond.InletV.F = 0 * 'mol/s';
	755	when trays(top).OutletV.P > cond.OutletL.P + 1e-1 * 'atm' switchto "on";
	756	end
[1]	757
	758	CONNECTIONS
	759	#vapor
[6]	760	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
	761	trays(top).OutletV to cond.InletV;
[1]	762
	763	#liquid
[6]	764	cond.OutletL to ttop.Inlet;
	765	ttop.Outlet to sptop.Inlet;
	766	sptop.Outlet2 to pump1.Inlet;
	767	pump1.Outlet to trays(top).InletL;
	768	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
[1]	769	end
	770
	771
	772	#*----------------------------------------------------------------------
	773	* Model of a Refluxed Absorption column containing:
	774	* - NTrays like tray;
	775	* - dymamic condenser without subcooling;
	776	* - a splitter which separate reflux and distillate;
	777	* - a pump in reflux stream;
	778	---------------------------------------------------------------------#
	779	Model Refluxed_Absorption
[262]	780	ATTRIBUTES
	781	Pallete = true;
[300]	782	Icon = "icon/RefluxedCond";
[262]	783	Brief = "Model of a refluxed absorption column with dynamic condenser.";
	784	Info =
[353]	785	"== Specify ==
	786	* the feed stream of each tray (Inlet);
	787	* the Murphree eficiency for each tray Emv;
[398]	788	* the InletV stream of the bottom tray unless its flow;
[353]	789	* the pump pressure difference;
	790	* the heat supllied in the condenser;
	791	* the condenser vapor outlet flow (OutletV.F);
	792	* both splitter outlet flows OR one of the splitter outlet flows and the splitter frac.
[262]	793
[353]	794	== Initial Conditions ==
	795	* the trays temperature (OutletL.T);
	796	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	797	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	798
[353]	799	* the condenser temperature (OutletL.T);
	800	* the condenser liquid level (Level);
	801	* (NoComps - 1) OutletL (OR OutletV) compositions;
	802	";
[262]	803
[1]	804	PARAMETERS
[210]	805	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	806	outer NComp as Integer;
[1]	807	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	808	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	809	top as Integer(Brief="Number of top tray");
	810	bot as Integer(Brief="Number of bottom tray");
[398]	811	VapourFlow as Switcher(Valid = ["on", "off"], Default = "on");
[6]	812
	813	SET
	814	top = (NTrays-1)*(1-topdown)/2+1;
	815	bot = NTrays/top;
[1]	816
	817	VARIABLES
	818	trays(NTrays) as tray;
	819	cond as condenser;
[6]	820	sptop as splitter;
[1]	821	pump1 as pump;
[398]	822	alfaTopo as Real;
[1]	823
	824	EQUATIONS
[398]	825	switch VapourFlow
	826	case "on":
	827	cond.InletV.Ftrays(top).vV = alfaTopo trays(top).Ah * sqrt(2*(trays(top).OutletV.P -
[176]	828	cond.OutletL.P + 1e-8 * 'atm') / (trays(top).alfa*trays(top).rhoV));
[398]	829	when cond.InletV.F < 1e-6 * 'kmol/h' switchto "off";
[1]	830
[398]	831	case "off":
	832	cond.InletV.F = 0 * 'mol/s';
	833	when trays(top).OutletV.P > cond.OutletL.P + 1e-1 * 'atm' switchto "on";
	834	end
[1]	835
	836	CONNECTIONS
	837	#vapor
[6]	838	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
	839	trays(top).OutletV to cond.InletV;
	840
[1]	841	#liquid
[6]	842	cond.OutletL to cond.InletV;
	843	cond.OutletL to sptop.Inlet;
	844	sptop.Outlet2 to pump1.Inlet;
	845	pump1.Outlet to trays(top).InletL;
	846	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
[1]	847	end
	848
	849
	850	#* -------------------------------------------------------------------
	851	* Refluxed Absorption Column with:
	852	*
	853	* - NTrays like tray;
	854	* - a steady state condenser (with subcooling);
	855	* - a vessel drum (layed cilinder);
	856	* - a splitter which separate reflux and distillate;
	857	* - a pump in reflux stream.
	858	*
	859	* ------------------------------------------------------------------*#
	860	Model Refluxed_Absorption_subcooling
[262]	861	ATTRIBUTES
	862	Pallete = true;
[300]	863	Icon = "icon/RefluxedSubcooling";
[262]	864	Brief = "Model of a refluxed absorption column with steady condenser.";
	865	Info =
[353]	866	"== Specify ==
	867	* the feed stream of each tray (Inlet);
	868	* the Murphree eficiency for each tray Emv;
[398]	869	* the InletV stream of the bottom tray unless its flow;
[353]	870	* the pump head;
	871	* the condenser pressure drop;
	872	* the heat supllied in the top tank;
	873	* the heat supllied in condenser;
	874	* both top splitter outlet flows OR one of the splitter outlet flows and the splitter frac.
[262]	875
[353]	876	== Initial Conditions ==
	877	* the trays temperature (OutletL.T);
	878	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	879	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	880
[353]	881	* the top tank temperature (OutletL.T);
	882	* the top tank liquid level (Level);
	883	* (NoComps - 1) OutletL (OR OutletV) compositions;
	884	";
[262]	885
[1]	886	PARAMETERS
[210]	887	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	888	outer NComp as Integer;
[1]	889	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	890	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	891	top as Integer(Brief="Number of top tray");
	892	bot as Integer(Brief="Number of bottom tray");
[398]	893	VapourFlow as Switcher(Valid = ["on", "off"], Default = "on");
[6]	894
	895	SET
	896	top = (NTrays-1)*(1-topdown)/2+1;
	897	bot = NTrays/top;
[1]	898
	899	VARIABLES
	900	trays(NTrays) as tray;
	901	cond as condenserSteady;
	902	ttop as tank_cylindrical;
	903	sptop as splitter;
	904	pump1 as pump;
[398]	905	alfaTopo as Real;
[1]	906
	907	EQUATIONS
[398]	908	switch VapourFlow
	909	case "on":
	910	cond.InletV.Ftrays(top).vV = alfaTopo trays(top).Ah * sqrt(2*(trays(top).OutletV.P -
	911	cond.OutletL.P + 1e-8 * 'atm') / (trays(top).alfa*trays(top).rhoV));
	912	when cond.InletV.F < 1e-6 * 'kmol/h' switchto "off";
[1]	913
[398]	914	case "off":
	915	cond.InletV.F = 0 * 'mol/s';
	916	when trays(top).OutletV.P > cond.OutletL.P + 1e-1 * 'atm' switchto "on";
	917	end
[1]	918
	919	CONNECTIONS
	920	#vapor
[6]	921	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
	922	trays(top).OutletV to cond.InletV;
[1]	923
	924	#liquid
[6]	925	cond.OutletL to ttop.Inlet;
	926	ttop.Outlet to sptop.Inlet;
	927	sptop.Outlet2 to pump1.Inlet;
	928	pump1.Outlet to trays(top).InletL;
	929	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
[1]	930	end
	931
	932
	933	#* -------------------------------------------------------------------
	934	* Reboiled Stripping Column model with:
	935	*
	936	* - NTrays like tray;
	937	* - a kettle reboiler;
	938	*
	939	* ------------------------------------------------------------------*#
	940	Model Reboiled_Stripping_kettle
[262]	941	ATTRIBUTES
	942	Pallete = true;
[300]	943	Icon = "icon/ReboiledKettle";
[262]	944	Brief = "Model of a reboiled stripping column with dynamic reboiler.";
	945	Info =
[353]	946	"== Specify ==
	947	* the feed stream of each tray (Inlet);
	948	* the Murphree eficiency for each tray Emv;
[398]	949	* the vapour flow leaving the top of the column;
[353]	950	* the InletL stream of the top tray;
	951	* the heat supllied in the reboiler;
	952	* the reboiler liquid outlet flow (OutletL.F);
[262]	953
[353]	954	== Initial Conditions ==
	955	* the trays temperature (OutletL.T);
	956	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	957	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	958
[353]	959	* the reboiler temperature (OutletL.T);
	960	* the reboiler liquid level (Level);
	961	* (NoComps - 1) OutletL (OR OutletV) compositions.
	962	";
[262]	963
[1]	964	PARAMETERS
[210]	965	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	966	outer NComp as Integer;
[1]	967	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	968	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	969	top as Integer(Brief="Number of top tray");
	970	bot as Integer(Brief="Number of bottom tray");
	971
	972	SET
	973	top = (NTrays-1)*(1-topdown)/2+1;
	974	bot = NTrays/top;
[1]	975
	976	VARIABLES
	977	trays(NTrays) as tray;
	978	reb as reboiler;
	979
	980	CONNECTIONS
	981	#vapor
[6]	982	reb.OutletV to trays(bot).InletV;
	983	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
[1]	984
	985	#liquid
[6]	986	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
	987	trays(bot).OutletL to reb.InletL;
[1]	988	end
	989
	990
	991	#* -------------------------------------------------------------------
	992	* Reboiled Stripping Column model with:
	993	*
	994	* - NTrays like tray;
	995	* - a vessel in the bottom of column;
	996	* - a splitter which separate the bottom product and the stream to reboiler;
	997	* - steady state reboiler (thermosyphon);
	998	*
	999	* ------------------------------------------------------------------*#
	1000	Model Reboiled_Stripping_thermosyphon
[262]	1001	ATTRIBUTES
	1002	Pallete = true;
[300]	1003	Icon = "icon/ReboiledThermosyphon";
[262]	1004	Brief = "Model of a reboiled stripping column with steady reboiler.";
	1005	Info =
[353]	1006	"== Specify ==
	1007	* the feed stream of each tray (Inlet);
	1008	* the Murphree eficiency for each tray (Emv);
[398]	1009	* the vapour flow leaving the top of the column;
[353]	1010	* the InletL stream of the top tray;
	1011	* the heat supllied in bottom tank;
	1012	* the heat supllied in the reboiler;
	1013	* the Outlet1 flow in the bottom splitter (spbottom.Outlet1.F) that corresponds to the bottom product;
[262]	1014
[353]	1015	== Initial Conditions ==
	1016	* the trays temperature (OutletL.T);
	1017	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	1018	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	1019
[353]	1020	* the bottom tank temperature (OutletL.T);
	1021	* the bottom tank liquid level (Level);
	1022	* (NoComps - 1) OutletL (OR OutletV) compositions.
	1023	";
[262]	1024
[1]	1025	PARAMETERS
[210]	1026	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	1027	outer NComp as Integer;
[1]	1028	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	1029	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	1030	top as Integer(Brief="Number of top tray");
	1031	bot as Integer(Brief="Number of bottom tray");
	1032
	1033	SET
	1034	top = (NTrays-1)*(1-topdown)/2+1;
	1035	bot = NTrays/top;
[1]	1036
	1037	VARIABLES
	1038	trays(NTrays) as tray;
	1039	reb as reboilerSteady;
	1040	spbottom as splitter;
	1041	tbottom as tank;
	1042
	1043	CONNECTIONS
	1044	#vapor
[6]	1045	reb.OutletV to trays(bot).InletV;
	1046	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
[1]	1047
	1048	#liquid
[6]	1049	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
	1050	trays(bot).OutletL to tbottom.Inlet;
[1]	1051	tbottom.Outlet to spbottom.Inlet;
	1052	spbottom.Outlet2 to reb.InletL;
	1053	end
	1054
	1055
	1056	#* -------------------------------------------------------------------
	1057	* Reboiled Absorption Column model with:
	1058	*
	1059	* - NTrays like tray;
	1060	* - a kettle reboiler;
	1061	*
	1062	* ------------------------------------------------------------------*#
	1063	Model Reboiled_Absorption_kettle
[262]	1064	ATTRIBUTES
	1065	Pallete = true;
[300]	1066	Icon = "icon/ReboiledKettle";
[262]	1067	Brief = "Model of a reboiled absorption column with dynamic reboiler.";
	1068	Info =
[353]	1069	"== Specify ==
	1070	* the feed stream of each tray (Inlet);
	1071	* the Murphree eficiency for each tray Emv;
[398]	1072	* the vapour flow leaving the top of the column;
[353]	1073	* the InletL stream of the top tray;
	1074	* the heat supllied in the reboiler;
	1075	* the reboiler liquid outlet flow (OutletL.F);
[262]	1076
[353]	1077	== Initial Conditions ==
	1078	* the trays temperature (OutletL.T);
	1079	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	1080	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	1081
[353]	1082	* the reboiler temperature (OutletL.T);
	1083	* the reboiler liquid level (Level);
	1084	* (NoComps - 1) OutletL (OR OutletV) compositions.
	1085	";
[262]	1086
[1]	1087	PARAMETERS
[210]	1088	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	1089	outer NComp as Integer;
[1]	1090	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	1091	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	1092	top as Integer(Brief="Number of top tray");
	1093	bot as Integer(Brief="Number of bottom tray");
	1094
	1095	SET
	1096	top = (NTrays-1)*(1-topdown)/2+1;
	1097	bot = NTrays/top;
[1]	1098
	1099	VARIABLES
	1100	trays(NTrays) as tray;
	1101	reb as reboiler;
	1102
	1103	CONNECTIONS
	1104	#vapor
[6]	1105	reb.OutletV to trays(bot).InletV;
	1106	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
[1]	1107
	1108	#liquid
[6]	1109	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
	1110	trays(bot).OutletL to reb.InletL;
[1]	1111	end
	1112
	1113
	1114	#* -------------------------------------------------------------------
	1115	* Reboiled Absorption Column model with:
	1116	*
	1117	* - NTrays like tray;
	1118	* - a vessel in the bottom of column;
	1119	* - a splitter which separate the bottom product and the stream to reboiler;
	1120	* - steady state reboiler (thermosyphon);
	1121	*
	1122	* ------------------------------------------------------------------*#
	1123	Model Reboiled_Absorption_thermosyphon
[262]	1124	ATTRIBUTES
	1125	Pallete = true;
[300]	1126	Icon = "icon/ReboiledThermosyphon";
[262]	1127	Brief = "Model of a reboiled absorption column with steady reboiler.";
	1128	Info =
[353]	1129	"== Specify ==
	1130	* the feed stream of each tray (Inlet);
	1131	* the Murphree eficiency for each tray (Emv);
[398]	1132	* the vapour flow leaving the top of the column;
[353]	1133	* the InletL stream of the top tray;
	1134	* the heat supllied in bottom tank;
	1135	* the heat supllied in the reboiler;
	1136	* the Outlet1 flow in the bottom splitter (spbottom.Outlet1.F) that corresponds to the bottom product;
[262]	1137
[353]	1138	== Initial Conditions ==
	1139	* the trays temperature (OutletL.T);
	1140	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	1141	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	1142
[353]	1143	* the bottom tank temperature (OutletL.T);
	1144	* the bottom tank liquid level (Level);
	1145	* (NoComps - 1) OutletL (OR OutletV) compositions.
	1146	";
[262]	1147
[1]	1148	PARAMETERS
[210]	1149	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
[125]	1150	outer NComp as Integer;
[1]	1151	NTrays as Integer(Brief="Number of trays", Default=2);
[6]	1152	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	1153	top as Integer(Brief="Number of top tray");
	1154	bot as Integer(Brief="Number of bottom tray");
	1155
	1156	SET
	1157	top = (NTrays-1)*(1-topdown)/2+1;
	1158	bot = NTrays/top;
[1]	1159
	1160	VARIABLES
	1161	trays(NTrays) as tray;
	1162	reb as reboilerSteady;
	1163	spbottom as splitter;
	1164	tbottom as tank;
	1165
	1166	CONNECTIONS
	1167	#vapor
[6]	1168	reb.OutletV to trays(bot).InletV;
	1169	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
[1]	1170
	1171	#liquid
[6]	1172	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
	1173	trays(bot).OutletL to tbottom.Inlet;
[1]	1174	tbottom.Outlet to spbottom.Inlet;
	1175	spbottom.Outlet2 to reb.InletL;
	1176	end
[38]	1177
[72]	1178	#* -------------------------------------------------------------------
	1179	* Reactive Distillation Column
	1180	*
	1181	* ------------------------------------------------------------------*#
[38]	1182	Model ReactiveDistillation
[262]	1183	ATTRIBUTES
	1184	Pallete = true;
[300]	1185	Icon = "icon/DistillationKettleCond";
[262]	1186	Brief = "Model of a reactive distillation column with dynamic condenser and reboiler.";
	1187	Info =
[353]	1188	"== Specify ==
	1189	* the reaction related variables for each tray, condenser and reboiler;
	1190	* the feed stream of each tray (Inlet);
	1191	* the Murphree eficiency for each tray Emv;
	1192	* the pump pressure difference;
	1193	* the heat supllied in reboiler and condenser;
	1194	* the condenser vapor outlet flow (OutletV.F);
	1195	* the reboiler liquid outlet flow (OutletL.F);
	1196	* both splitter outlet flows OR one of the splitter outlet flows and the splitter frac.
[262]	1197
[353]	1198	== Initial Conditions ==
	1199	* the trays temperature (OutletL.T);
	1200	* the trays liquid level (Level) OR the trays liquid flow (OutletL.F);
	1201	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray;
[262]	1202
[353]	1203	* the condenser temperature (OutletL.T);
	1204	* the condenser liquid level (Level);
	1205	* (NoComps - 1) OutletL (OR OutletV) compositions;
[262]	1206
[353]	1207	* the reboiler temperature (OutletL.T);
	1208	* the reboiler liquid level (Level);
	1209	* (NoComps - 1) OutletL (OR OutletV) compositions.
	1210	";
[262]	1211
[38]	1212	PARAMETERS
[243]	1213	outer PP as Plugin(Type="PP");
[125]	1214	outer NComp as Integer;
[38]	1215	NTrays as Integer(Brief="Number of trays", Default=2);
[243]	1216	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	1217	top as Integer(Brief="Number of top tray");
	1218	bot as Integer(Brief="Number of bottom tray");
	1219	alfacond as Real;
	1220
	1221	VapourFlow as Switcher(Valid = ["on", "off"], Default = "off");
[38]	1222
[243]	1223	SET
	1224	top = (NTrays-1)*(1-topdown)/2+1;
	1225	bot = NTrays/top;
	1226
[38]	1227	VARIABLES
	1228	trays(NTrays) as trayReact;
	1229	cond as condenserReact;
	1230	reb as reboilerReact;
	1231	sp as splitter;
	1232	p as pump;
	1233
	1234	EQUATIONS
[243]	1235
	1236	switch VapourFlow
	1237	case "on":
	1238	"Pressure Drop through the condenser"
	1239	cond.InletV.F*trays(top).vV / 'm^2' =
	1240	sqrt((trays(top).OutletV.P - cond.OutletL.P + 1e-8 * 'atm')/(trays(top).rhoV*alfacond));
	1241	when trays(top).OutletV.P < cond.OutletL.P switchto "off";
	1242
	1243	case "off":
[38]	1244	"Prato selado"
[243]	1245	cond.InletV.F = 0.0 * 'mol/s';
	1246	when trays(top).OutletV.P > cond.OutletL.P + 1e-3 * 'atm' switchto "on";
[38]	1247	end
[243]	1248
[38]	1249	CONNECTIONS
	1250	#vapor
[243]	1251	reb.OutletV to trays(bot).InletV;
	1252	trays([top+topdown:topdown:bot]).OutletV to trays([top:topdown:bot-topdown]).InletV;
	1253	trays(top).OutletV to cond.InletV;
	1254
[38]	1255	#liquid
	1256	cond.OutletL to sp.Inlet;
	1257	sp.Outlet2 to p.Inlet;
[243]	1258	p.Outlet to trays(top).InletL;
	1259	trays([top:topdown:bot-topdown]).OutletL to trays([top+topdown:topdown:bot]).InletL;
	1260	trays(bot).OutletL to reb.InletL;
	1261
[38]	1262	end
[498]	1263
	1264	#*----------------------------------------------------------------------
	1265	* Model of a packed column section with:
	1266	* - NStages = theoretical number of equilibrium stages.
	1267	*
	1268	---------------------------------------------------------------------#
	1269	Model Packed_Section_Column
	1270	ATTRIBUTES
	1271	Pallete = true;
[511]	1272	Icon = "icon/PackedSectionColumn";
[498]	1273	Brief = "Model of a packed column section.";
	1274	Info =
	1275	"== Model of a packed column section containing ==
	1276	* NStages theoretical stages.
	1277
	1278	== Specify ==
	1279	* the feed stream of each tray (Inlet);
	1280	* the InletL stream of the top tray;
	1281	* the InletV stream of the bottom tray;
[500]	1282	* the total pressure drop (dP) of the section.
[498]	1283
	1284	== Initial Conditions ==
	1285	* the stages temperature (OutletL.T);
	1286	* the stages liquid holdup;
	1287	* (NoComps - 1) OutletL (OR OutletV) compositions for each tray.
	1288	";
	1289
	1290	PARAMETERS
	1291	outer PP as Plugin(Brief = "External Physical Properties", Type="PP");
	1292	outer NComp as Integer;
	1293	NStages as Integer(Brief="Number of trays", Default=2);
	1294	topdown as Integer(Brief="Trays counting (1=top-down, -1=bottom-up)", Default=1);
	1295	top as Integer(Brief="Number of top tray");
	1296	bot as Integer(Brief="Number of bottom tray");
	1297	H as length (Brief="Height of packing");
	1298
	1299	VARIABLES
	1300	stage(NStages) as packedStage;
[500]	1301	dP as pressure;
[498]	1302
	1303	SET
	1304	top = (NStages-1)*(1-topdown)/2+1;
	1305	bot = NStages/top;
	1306	stage.hs = H/NStages;
	1307	stage.V = stage.hs * stage.d^2*3.14159/4;
	1308
[500]	1309	EQUATIONS
[848]	1310	#stage.deltaP = dP/NStages;
	1311	dP = stage(bot).OutletL.P - stage(top).OutletL.P;
[500]	1312
[498]	1313	CONNECTIONS
	1314	stage([top+topdown:topdown:bot]).OutletV to stage([top:topdown:bot-topdown]).InletV;
	1315	stage([top:topdown:bot-topdown]).OutletL to stage([top+topdown:topdown:bot]).InletL;
	1316	end
	1317
	1318	#*----------------------------------------------------------------------
	1319	* Model of a packed distillation column containing:
	1320	* - a section with NStages theoretical stages;
	1321	* - a kettle reboiler;
	1322	* - dymamic condenser;
	1323	* - a splitter which separate reflux and distillate;
	1324	* - a pump in reflux stream;
	1325	---------------------------------------------------------------------#
	1326	Model PackedDistillation_kettle_cond as Packed_Section_Column
[500]	1327	ATTRIBUTES
	1328	Pallete = true;
[511]	1329	Icon = "icon/PackedDistillationKettleCond";
[500]	1330	Brief = "Model of a distillation column with dynamic condenser and dynamic reboiler.";
	1331	Info =
	1332	"== Specify ==
	1333	* the feed stream of each tray (Inlet);
	1334	* the pump pressure difference;
	1335	* the total pressure drop (dP) of the packing;
	1336	* the heat supllied in reboiler and condenser;
	1337	* the condenser vapor outlet flow (OutletV.F);
	1338	* the reboiler liquid outlet flow (OutletL.F);
	1339	* both splitter outlet flows OR one of the splitter outlet flows and the splitter frac.
	1340
	1341	== Initial Conditions ==
	1342	* the stages temperature (OutletL.T);
	1343	* the stages initial molar holdup;
	1344	* (NoComps - 1) OutletL (OR OutletV) compositions for each stage;
	1345
	1346	* the condenser temperature (OutletL.T);
	1347	* the condenser liquid level (Level);
	1348	* (NoComps - 1) OutletL (OR OutletV) compositions;
	1349
	1350	* the reboiler temperature (OutletL.T);
	1351	* the reboiler liquid level (Level);
	1352	* (NoComps - 1) OutletL (OR OutletV) compositions.
	1353	";
	1354
[498]	1355	VARIABLES
	1356	cond as condenser;
	1357	reb as reboiler;
	1358	sptop as splitter;
	1359	pump1 as pump;
	1360
	1361	CONNECTIONS
	1362	#vapor
	1363	reb.OutletV to stage(bot).InletV;
	1364	stage(top).OutletV to cond.InletV;
	1365
	1366	#liquid
	1367	cond.OutletL to sptop.Inlet;
	1368	sptop.Outlet2 to pump1.Inlet;
	1369	pump1.Outlet to stage(top).InletL;
	1370	stage(bot).OutletL to reb.InletL;
	1371
	1372	EQUATIONS
[848]	1373	stage(top).InletV.F = stage(top).OutletV.F + stage(top).Inlet.F*stage(top).Inlet.v;
[498]	1374
	1375	end

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