| 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 "pressure_changers/valve.mso"; |
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| 7 | using "controllers/PIDs.mso"; |
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| 8 | using "stage_separators/tank.mso"; |
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| 9 | using "pressure_changers/pump.mso"; |
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| 10 | |
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| 11 | FlowSheet Sample_TankVL_PID |
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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 = ["n-butane","benzene","n-octane"], |
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| 16 | LiquidModel = "SRK", |
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| 17 | VapourModel = "SRK" |
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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 | Feed as simple_source; |
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| 25 | VaporProduct as sink; |
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| 26 | valve_liquid as valve_flow; |
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| 27 | valve_Vapour as valve_flow; |
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| 28 | PID_LC as PID; |
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| 29 | PID_PC as PID; |
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| 30 | LiquidProduct as simple_sink; |
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| 31 | Heat_Duty as energy_source2; |
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| 32 | V001 as TankVL; |
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| 33 | pump_1 as pump; |
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| 34 | |
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| 35 | CONNECTIONS |
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| 36 | valve_Vapour.Outlet to VaporProduct.Inlet; |
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| 37 | PID_LC.Output to valve_liquid.FlowFraction; |
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| 38 | PID_PC.Output to valve_Vapour.FlowFraction; |
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| 39 | valve_liquid.Outlet to LiquidProduct.Inlet; |
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| 40 | V001.OutletVapour to valve_Vapour.Inlet; |
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| 41 | V001.PI to PID_PC.Input; |
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| 42 | V001.LI to PID_LC.Input; |
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| 43 | Heat_Duty.OutletQ to V001.InletQ; |
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| 44 | V001.OutletLiquid to valve_liquid.Inlet; |
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| 45 | Feed.Outlet to pump_1.Inlet; |
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| 46 | pump_1.Outlet to V001.Inlet; |
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| 47 | |
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| 48 | SET |
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| 49 | valve_liquid.MaxFlow = 2000 * 'kmol/h' ; |
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| 50 | valve_liquid.MinFlow = 0 * 'kmol/h' ; |
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| 51 | valve_Vapour.MinFlow = 0 * 'kmol/h' ; |
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| 52 | valve_Vapour.MaxFlow = 1000 * 'kmol/h' ; |
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| 53 | PID_LC.PID_Select = "Parallel_AWBT" ; |
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| 54 | PID_LC.Action = "Direct" ; |
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| 55 | PID_LC.Mode = "Automatic" ; |
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| 56 | PID_LC.Clip = "Clipped" ; |
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| 57 | PID_LC.alpha = 1 ; |
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| 58 | PID_LC.beta = 1 ; |
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| 59 | PID_LC.bias = 0.5 ; |
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| 60 | PID_LC.derivTime = 19 * 's' ; |
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| 61 | PID_LC.intTime = 76 * 's' ; |
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| 62 | PID_LC.gain = 1.1776 ; |
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| 63 | PID_LC.gamma = 1 ; |
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| 64 | PID_LC.tau = 1 * 's' ; |
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| 65 | PID_LC.tauSet = 1 * 's' ; |
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| 66 | PID_LC.MinInput = 0 ; |
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| 67 | PID_LC.MaxInput = 2 ; |
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| 68 | PID_LC.MinOutput = 0 ; |
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| 69 | PID_LC.MaxOutput = 1 ; |
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| 70 | PID_PC.PID_Select = "Parallel_AWBT" ; |
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| 71 | PID_PC.Action = "Direct" ; |
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| 72 | PID_PC.Mode = "Automatic" ; |
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| 73 | PID_PC.Clip = "Clipped" ; |
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| 74 | PID_PC.alpha = 1 ; |
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| 75 | PID_PC.beta = 1 ; |
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| 76 | PID_PC.bias = 0.5 ; |
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| 77 | PID_PC.derivTime = 18 * 's' ; |
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| 78 | PID_PC.intTime = 72 * 's' ; |
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| 79 | PID_PC.gain = 0.9275 ; |
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| 80 | PID_PC.gamma = 1 ; |
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| 81 | PID_PC.tau = 1 * 's' ; |
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| 82 | PID_PC.tauSet = 1 * 's' ; |
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| 83 | PID_PC.MinInput = 0 ; |
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| 84 | PID_PC.MaxInput = 4 ; |
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| 85 | PID_PC.MinOutput = 0 ; |
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| 86 | PID_PC.MaxOutput = 1 ; |
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| 87 | V001.Levelpercent_Initial = 0.5 ; |
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| 88 | V001.Temperature_Initial = 300 * 'K' ; |
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| 89 | V001.Geometry.Diameter = 2 * 'm' ; |
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| 90 | V001.Geometry.Lenght = 6 * 'm' ; |
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| 91 | V001.Geometry.Heads = "flat" ; |
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| 92 | V001.Geometry.Orientation = "horizontal" ; |
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| 93 | V001.Kfactor = 0.6 ; |
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| 94 | V001.Composition_Initial(1) = 0.3 ; |
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| 95 | V001.Composition_Initial(2) = 0.3 ; |
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| 96 | |
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| 97 | SPECIFY |
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| 98 | Feed.MolarComposition(1) = 0.3 ; |
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| 99 | Feed.MolarComposition(2) = 0.3 ; |
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| 100 | Feed.MolarComposition(3) = 0.4 ; |
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| 101 | Feed.T = 338 * 'K' ; |
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| 102 | Feed.P = 5 * 'atm' ; |
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| 103 | PID_LC.SetPoint = 0.7 ; |
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| 104 | PID_PC.SetPoint = 0.6 ; |
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| 105 | Heat_Duty.OutletQ = 0 * 'kW' ; |
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| 106 | pump_1.Pincrease = 12 * 'kPa' ; |
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| 107 | |
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| 108 | OPTIONS |
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| 109 | Dynamic = true; |
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| 110 | TimeStep = 0.2; |
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| 111 | TimeEnd = 4; |
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| 112 | TimeUnit = 'h'; |
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| 113 | Integration = "original"; |
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| 114 | NLASolver( |
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| 115 | File = "sundials", |
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| 116 | RelativeAccuracy = 1e-3, |
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| 117 | AbsoluteAccuracy = 1e-3, |
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| 118 | MaxIterations = 100 |
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| 119 | ); |
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| 120 | DAESolver( |
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| 121 | File = "dasslc", |
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| 122 | RelativeAccuracy = 1e-2, |
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| 123 | AbsoluteAccuracy = 1e-6, |
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| 124 | EventAccuracy = 1e-2 |
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| 125 | ); |
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| 126 | end |
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