1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
from OMChem.EngStm import EngStm
class DistCol():
counter = 1
def __init__(self,name='DistCol', numStage = None,numFeeds = None,feedStages = None):
self.numStage = numStage
self.numFeeds=numFeeds
self.feedStages=feedStages
self.name = name + str(DistCol.counter)
self.OM_data_eqn = ''
self.OM_data_init = ''
self.InputStms = None
self.OutputStms = None
self.EngStm1 = EngStm(name='EngStm1'+self.name)
self.EngStm2 = EngStm(name='EngStm2'+self.name)
self.count = DistCol.counter
self.thermoPackage='Raoults_Law'
self.type = 'DistCol'
self.mode = None
self.condType=''
self.modeVal = None
self.condP=None
self.rebP=None
# new
self.no_of_input = 2
self.no_of_output = 2
DistCol.counter += 1
def getname(self):
return self.name
def connect(self,InputStms = None,OutputStms = None):
self.InputStms = InputStms
self.OutputStms = OutputStms
def modesList(self):
return ["refluxRatio","sideDrawMolFlo","T"]
def paramgetter(self,mode="refluxRatio"):
self.mode=mode
dict = { "numStage" : None,"numFeeds" :None,"feedStages" :None,"thermoPackage":None,"condType":None,self.mode:None,"condensor.P":None,"reboiler.P":None}
return dict
def paramsetter(self,dict):
self.numStage = dict["numStage"]
self.numFeeds = dict["numFeeds"]
self.feedStages = dict["feedStages"].split(",")
self.modeVal=dict[self.mode]
self.condP=dict["condensor.P"]
self.rebP=dict["reboiler.P"]
self.condType=dict["condType"]
def OM_Flowsheet_Init(self, addedcomp):
self.OM_data_init = ''
self.OM_data_init = self.OM_data_init + 'model Condensor\n'
self.OM_data_init = self.OM_data_init + 'extends Simulator.Unit_Operations.Distillation_Column.Cond;\n'
self.OM_data_init = self.OM_data_init + 'extends Simulator.Files.Thermodynamic_Packages.'+self.thermoPackage+';\n'
self.OM_data_init = self.OM_data_init + 'end Condensor;\n'
self.OM_data_init = self.OM_data_init + 'model Tray\n'
self.OM_data_init = self.OM_data_init + 'extends Simulator.Unit_Operations.Distillation_Column.DistTray;\n'
self.OM_data_init = self.OM_data_init + 'extends Simulator.Files.Thermodynamic_Packages.'+self.thermoPackage+';\n'
self.OM_data_init = self.OM_data_init + 'end Tray;\n'
self.OM_data_init = self.OM_data_init + 'model Reboiler\n'
self.OM_data_init = self.OM_data_init + 'extends Simulator.Unit_Operations.Distillation_Column.Reb;\n'
self.OM_data_init = self.OM_data_init + 'extends Simulator.Files.Thermodynamic_Packages.'+self.thermoPackage+';\n'
self.OM_data_init = self.OM_data_init + 'end Reboiler;\n'
self.OM_data_init = self.OM_data_init + ("model distCol"+str(self.count)+"\n")
self.OM_data_init = self.OM_data_init + ("extends Simulator.Unit_Operations.Distillation_Column.DistCol;\n" )
self.OM_data_init = self.OM_data_init + ("Condensor condensor(Nc = Nc, comp = comp, condType =condType, boolFeed = boolFeed[1], T(start = 300));\n" )
self.OM_data_init = self.OM_data_init + ("Reboiler reboiler(Nc = Nc, comp = comp, boolFeed = boolFeed[noOfStages]);\n" )
self.OM_data_init = self.OM_data_init + ("Tray tray[noOfStages - 2](each Nc = Nc, each comp = comp, boolFeed = boolFeed[2:noOfStages -1]);\n" )
self.OM_data_init = self.OM_data_init + ("end distCol"+str(self.count)+";\n")
comp_count = len(addedcomp)
self.OM_data_init = self.OM_data_init + (
"distCol"+str(self.count)+" "+ self.name + "(Nc = " + str(comp_count))
self.OM_data_init = self.OM_data_init + (",comp = {")
comp = str(addedcomp).strip('[').strip(']')
comp = comp.replace("'", "")
self.feedStages=str(self.feedStages).strip('[').strip(']')
self.feedStages = self.feedStages.replace("'", "")
self.OM_data_init = self.OM_data_init + comp + ("},")+("noOfStages="+self.numStage+","+"noOfFeeds="+self.numFeeds+",feedStages="+"{"+self.feedStages+"}"+",condensor.condType="+"\""+self.condType+"\""+");\n")
self.OM_data_init = self.OM_data_init + 'Simulator.Streams.Energy_Stream '+self.EngStm1.name+';\n'
self.OM_data_init = self.OM_data_init + 'Simulator.Streams.Energy_Stream '+self.EngStm2.name+';\n'
return self.OM_data_init
def OM_Flowsheet_Eqn(self, addedcomp):
self.OM_data_eqn = ''
self.OM_data_eqn = self.OM_data_eqn + ('connect('+self.name+'.'+'condensor_duty'+','+ self.EngStm1.name+'.inlet);\n')
self.OM_data_eqn = self.OM_data_eqn + ('connect('+self.name+'.reboiler_duty'+', '+self.EngStm2.name+'.inlet);\n')
self.OM_data_eqn = self.OM_data_eqn + ('connect('+self.name+'.distillate'+", "+self.OutputStms[0].name+'.inlet);\n')
self.OM_data_eqn = self.OM_data_eqn + ('connect('+self.name+'.bottoms'+", "+self.OutputStms[1].name+'.inlet);\n')
for i in range(len(self.InputStms)):
self.OM_data_eqn = self.OM_data_eqn + ('connect('+self.InputStms[i].name+'.outlet'+", "+self.name+'.feed['+str(i+1)+']);\n')
self.OM_data_eqn = self.OM_data_eqn + (self.OutputStms[1].name+'.'+'totMolFlow[1] = '+str(self.OutputStms[1].Prop['totMolFlo[1]'])+';\n')
if self.mode=="refluxRatio":
self.OM_data_eqn = self.OM_data_eqn + (self.name+'.'+str(self.mode)+'='+ str(self.modeVal) + ';\n')
else:
self.OM_data_eqn = self.OM_data_eqn + (self.name+'.condensor.'+self.mode+'='+ str(self.modeVal) + ';\n')
self.OM_data_eqn = self.OM_data_eqn + self.name +'.reboiler.P='+self.rebP+';\n'
self.OM_data_eqn = self.OM_data_eqn + self.name +'.condensor.P='+self.condP+';\n'
return self.OM_data_eqn
|
