fluid2.addComponent("water", 1.0, 'kg/sec')
fluid2.addComponent("TEG", 99.0, 'kg/sec')
fluid2.setMixingRule(10)
fluid2.setMultiPhaseCheck(True)
fluid2.setTemperature(313.15, "K")
fluid2.setPressure(75.0, "bara")
fluid2.setTotalFlowRate(10625.0, 'kg/hr')
# demonstration of setting up a simple process calculation
clearProcess()
stream1 = stream(fluid1)
glycolstream = stream(fluid2)
separator1 = separator(stream1, "inlet separator")
compressor1 = compressor(separator1.getGasOutStream(), 75.0)
heater1 = heater(compressor1.getOutStream())
heater1.setOutTemperature(313.0)
mixer1 = mixer()
mixer1.addStream(heater1.getOutStream())
mixer1.addStream(glycolstream)
scrubberLP = separator(mixer1.getOutStream())
valve1 = valve(scrubberLP.getLiquidOutStream(), 10.0, "Glycol valve")
flashDrum = separator(valve1.getOutStream())
heater1 = heater(flashDrum.getLiquidOutStream())
heater1.setOutTemperature(273.15+195.0)
stripper = separator(heater1.getOutStream())
cooler1 = heater(stripper.getLiquidOutStream())
cooler1.setOutTemperature(313.0)
# Start by creating a fluid in neqsim
fluid1 = fluid("srk") # create a fluid using the SRK-EoS
fluid1.addComponent("methane", 99.0)
fluid1.addComponent("nC10", 1.0)
fluid1.setMixingRule(2)
fluid1.setTemperature(50.0, "C")
fluid1.setPressure(50.0, "bara")
fluid1.setTotalFlowRate(10.0, "MSm3/day")
clearProcess()
stream1 = stream(fluid1)
separator1 = separator(stream1, "inlet separator")
cooler1 = heater(separator1.getGasOutStream())
cooler1.setOutTemperature(273.15+30.0)
scrubber1 = separator(cooler1.getOutStream(), "inlet separator")
runProcess()
separator1.getMechanicalDesign().calcDesign();
separartorInnerDiameter = separator1.getMechanicalDesign().getInnerDiameter();
Ks = 0.1;
import math
Vtmax = Ks * math.sqrt((separator1.getThermoSystem().getPhase('oil').getDensity()-separator1.getThermoSystem().getPhase('gas').getDensity())/separator1.getThermoSystem().getPhase('gas').getDensity());
diameter = math.sqrt(separator1.getThermoSystem().getFlowRate("m3/sec")/Vtmax/3.14*4.0);
separator1.getMechanicalDesign().displayResults();
mix1.addStream(cond_in)
mix1.addStream(MEG_in)
mix1.addStream(gas_in)
TPflash(mix1.getOutStream().getThermoSystem())
S1 = separator3phase(mix1.getOutStream())
S1.setName("S1")
gas1 = S1.getGasOutStream()
MEG1 = S1.getWaterOutStream()
cond1 = S1.getOilOutStream()
# SECOND SEPARATOR (S2)
mix2 = mixer()
mix2.addStream(cond1)
mix2.addStream(MEG1)
heat2 = heater(mix2.getOutStream())
heat2.setOutTemperature(T[1] + 273.15)
heat2.setOutPressure(P[1])
S2 = separator3phase(heat2.getOutStream())
S2.setName("S2")
gas2 = S2.getGasOutStream()
MEG2 = S2.getWaterOutStream()
cond2 = S2.getOilOutStream()
# THIRD SEPARATOR (S3)
# make split
split = splitter(cond2, [carryunderfrac, 1.0 - carryunderfrac])
carryunder = split.getSplitStream(0)
# mix, set new condition, separate
mix3 = mixer()
fluid1 = fluid("srk") # create a fluid using the SRK-EoS
fluid1.addComponent("nitrogen", 1.0)
fluid1.addComponent("CO2", 2.0)
fluid1.addComponent("methane", 85.0)
fluid1.addComponent("ethane", 5.0)
fluid1.addComponent("propane", 3.0)
fluid1.addComponent("i-butane", 2.0)
fluid1.addComponent("n-butane", 2.0)
fluid1.setMixingRule(2)
fluid1.setTemperature(28.15, "C")
fluid1.setPressure(30.0, "bara")
fluid1.setTotalFlowRate(10.0, "MSm3/day")
# demonstration of setting up a simple process calculation
clearProcess()
stream1 = stream(fluid1)
compressor1 = compressor(stream1, 60.0) # add compressor and set out pressure
compressor1.setIsentropicEfficiency(0.8)
cooler1 = heater(compressor1.getOutStream())
cooler1.setOutTemperature(303.0)
compressor2 = compressor(cooler1.getOutStream(), 120.0)
compressor2.setIsentropicEfficiency(0.77)
runProcess()
print("compressor1 power ", compressor1.getPower()/1e6, " MW")
print("compressor2 power ", compressor2.getPower()/1e6, " MW")
print("temperature out of compressor1 ", compressor1.getOutStream().getTemperature()-273.15, " °C")
print("temperature out of compressor2 ", compressor2.getOutStream().getTemperature()-273.15, " °C")
fluid_1.setTemperature(30.0, "C")
fluid_1.setTotalFlowRate(1000.0, "kg/hr")
clearProcess()
stream_1 = stream(fluid_1)
stream_1.setSpecification("bubT")
JTvalve = valve(stream_1, 1.0)
cooler_1 = cooler(JTvalve.getOutStream())
cooler_1.setSpecification("out stream")
stream_2 = stream(cooler_1.getOutStream())
stream_2.setSpecification("dewP")
cooler_1.setOutStream(stream_2)
JTvalve.setOutletPressure(stream_2.getPressure());
compressor_1 = compressor(stream_2, 10.0);
compressor_1.setSpecification("out stream")
compressor_1.setOutletPressure(stream_1.getPressure())
heater = heater(compressor_1.getOutStream())
heater.setSpecification("out stream");
heater.setOutStream(stream_1);
runProcess()
print("Compressor power ", compressor_1.getTotalWork()/1e3, " kW")
print("Cooling duty ", cooler_1.getDuty()/1e3, " kW")
print("Heating duty ", heater.getDuty()/1e3, " kW")
fluid1.setMixingRule('classic')
fluid1.setTemperature(35.15, "C")
fluid1.setPressure(feedPressure, "bara")
fluid1.setTotalFlowRate(10.0, "MSm3/day")
# demonstration of setting up a simple process calculation
clearProcess()
stream1 = stream(fluid1)
separator1 = separator(stream1, "inlet separator")
valve1 = valve(separator1.getLiquidOutStream(), MPpressure, "HP oil valve")
separator2 = separator(valve1.getOutStream(), "MP separator")
valve2 = valve(separator2.getLiquidOutStream(), LPpressure)
separator3 = separator(valve2.getOutStream(), "LP separator")
compressorLP1 = compressor(separator3.getGasOutStream(), MPpressure)
coolerMP1 = heater(compressorLP1.getOutStream())
coolerMP1.setOutTemperature(303.0)
scrubberLP = separator(coolerMP1.getOutStream())
recycleLP = recycle(scrubberLP.getLiquidOutStream())
#separator2.addStream(recycleLP.getOutStream())
mixerLP = mixer()
mixerLP.addStream(scrubberLP.getGasOutStream())
mixerLP.addStream(separator2.getGasOutStream())
compressorMP1 = compressor(mixerLP.getOutStream(), feedPressure)
coolerMP1 = heater(compressorMP1.getOutStream())
coolerMP1.setOutTemperature(303.0)
scrubberMP1 = separator(coolerMP1.getOutStream())