ASPEN详细算例之《化工过程数学模型与计算机模拟》

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TWO PHASE TP FLASH

SPECIFIED TEMPERATURE C 100.000 SPECIFIED PRESSURE BAR 10.8000 MAXIMUM NO. ITERATIONS 30 CONVERGENCE TOLERANCE 0.00010000 *** RESULTS ***

OUTLET TEMPERATURE C 100.00 OUTLET PRESSURE BAR 10.800 HEAT DUTY WATT -0.28075E+07 OUTLET VAPOR FRACTION 0.50282 V-L PHASE EQUILIBRIUM :

COMP F(I) X(I) Y(I) K(I) METHA-01 0.19991 0.26700 0.13358 0.50030 DIMET-01 0.40022 0.86069E-02 0.78745 91.490 WATER 0.39986 0.72440 0.78971E-01 0.10902 BLOCK: C2 MODEL: HEATER INLET STREAM: 13 OUTLET STREAM: 14

PROPERTY OPTION SET: PENG-ROB STANDARD PR EQUATION OF STATE BLOCK: C2 MODEL: HEATER (CONTINUED) *** MASS AND ENERGY BALANCE ***

TOTAL BALANCE IN OUT RELATIVE DIFF. MOLE(KMOL/HR ) 129.970 129.970 0.000000E+00 MASS(KG/SEC ) 0.650653 0.650653 0.000000E+00 ENTHALPY(WATT ) -0.995525E+07 -0.103133E+08 0.347127E-01 *** INPUT DATA *** TWO PHASE TP FLASH

SPECIFIED TEMPERATURE C 50.0000 SPECIFIED PRESSURE BAR 7.50000 MAXIMUM NO. ITERATIONS 30 CONVERGENCE TOLERANCE 0.00010000 *** RESULTS ***

OUTLET TEMPERATURE C 50.000 OUTLET PRESSURE BAR 7.5000 HEAT DUTY WATT -0.35800E+06

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OUTLET VAPOR FRACTION 0.00000E+00 V-L PHASE EQUILIBRIUM :

COMP F(I) X(I) Y(I) K(I) METHA-01 0.49990E-03 0.49990E-03 0.98911E-02 0.31484 DIMET-01 0.19998E-12 0.19998E-12 0.11687E-06 9299.2 WATER 0.99950 0.99950 0.99011 0.15762E-01 BLOCK: H1 MODEL: HEATER INLET STREAM: 3 OUTLET STREAM: 4

PROPERTY OPTION SET: PENG-ROB STANDARD PR EQUATION OF STATE *** MASS AND ENERGY BALANCE ***

TOTAL BALANCE IN OUT RELATIVE DIFF. MOLE(KMOL/HR ) 325.050 325.050 0.000000E+00 MASS(KG/SEC ) 2.89359 2.89359 0.000000E+00 ENTHALPY(WATT ) -0.215683E+08 -0.176730E+08 -0.180603 *** INPUT DATA *** TWO PHASE TP FLASH

SPECIFIED TEMPERATURE CHANGE K 110.000 SPECIFIED PRESSURE BAR 11.2000 MAXIMUM NO. ITERATIONS 30 CONVERGENCE TOLERANCE 0.00010000 *** RESULTS ***

OUTLET TEMPERATURE C 156.04 OUTLET PRESSURE BAR 11.200 HEAT DUTY WATT 0.38953E+07 OUTLET VAPOR FRACTION 1.0000 V-L PHASE EQUILIBRIUM :

COMP F(I) X(I) Y(I) K(I) METHA-01 0.99956 0.99985 0.99956 1.3932 DIMET-01 0.40020E-03 0.80690E-04 0.40020E-03 6.9124 WATER 0.39969E-04 0.71443E-04 0.39969E-04 0.77957 BLOCK: H2 MODEL: HEATX HOT SIDE:

INLET STREAM: 6 OUTLET STREAM: 7

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PROPERTY OPTION SET: PENG-ROB STANDARD PR EQUATION OF STATE COLD SIDE:

INLET STREAM: 4 OUTLET STREAM: 5

PROPERTY OPTION SET: PENG-ROB STANDARD PR EQUATION OF STATE *** MASS AND ENERGY BALANCE ***

TOTAL BALANCE IN OUT RELATIVE DIFF. MOLE(KMOL/HR ) 650.083 650.083 0.000000E+00 MASS(KG/SEC ) 5.78704 5.78704 -0.153477E-15 ENTHALPY(WATT ) -0.348164E+08 -0.348164E+08 0.213997E-15 *** INPUT DATA *** FLASH SPECS FOR HOT SIDE: TWO PHASE FLASH

MAXIMUM NO. ITERATIONS 30

CONVERGENCE TOLERANCE 0.00010000 FLASH SPECS FOR COLD SIDE: TWO PHASE FLASH

MAXIMUM NO. ITERATIONS 30

CONVERGENCE TOLERANCE 0.00010000 FLOW DIRECTION AND SPECIFICATION: COUNTERCURRENT HEAT EXCHANGER SPECIFIED COLD OUTLET TEMP

SPECIFIED VALUE C 250.0000 LMTD CORRECTION FACTOR 1.00000 PRESSURE SPECIFICATION:

HOT SIDE OUTLET PRESSURE BAR 10.8000 COLD SIDE OUTLET PRESSURE BAR 11.0000 HEAT TRANSFER COEFFICIENT SPECIFICATION:

HOT LIQUID COLD LIQUID WATT/SQM-K 850.0000 HOT 2-PHASE COLD LIQUID WATT/SQM-K 850.0000 HOT VAPOR COLD LIQUID WATT/SQM-K 850.0000 HOT LIQUID COLD 2-PHASE WATT/SQM-K 850.0000 HOT 2-PHASE COLD 2-PHASE WATT/SQM-K 850.0000 HOT VAPOR COLD 2-PHASE WATT/SQM-K 850.0000 HOT LIQUID COLD VAPOR WATT/SQM-K 850.0000

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HOT 2-PHASE COLD VAPOR WATT/SQM-K 850.0000 HOT VAPOR COLD VAPOR WATT/SQM-K 850.0000 *** OVERALL RESULTS *** STREAMS:

6 ----->| HOT |-----> 7

T= 3.6955D+02 | | T= 2.8760D+02 P= 1.1000D+01 | | P= 1.0800D+01 V= 1.0000D+00 | 5 <-----| COLD T= 2.5000D+02 | P= 1.1000D+01 | V= 1.0000D+00 | DUTY AND AREA:

CALCULATED HEAT DUTY WATT CALCULATED (REQUIRED) AREA SQM HEAT TRANSFER COEFFICIENT:

AVERAGE COEFFICIENT (DIRTY) WATT/SQM-K LOG-MEAN TEMPERATURE DIFFERENCE:

LMTD CORRECTION FACTOR LMTD (CORRECTED) K PRESSURE DROP:

SHELLSIDE, TOTAL N/SQM TUBESIDE, TOTAL N/SQM *** ZONE RESULTS *** TEMPERATURE LEAVING EACH ZONE: HOT

6 | VAP ------> | 369.5 | 5 | VAP <------ | 250.0 | | COLD ZONE HEAT TRANSFER AND AREA:

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| V= 1.0000D+00 |<----- 4

| T= 1.5604D+02 | P= 1.1200D+01 | V= 1.0000D+00 528823.0379 4.9589 850.0000 1.0000 125.4596 20000.0000 20000.0000 | 7 |------> | 287.6 | 4 |<------ | 156.0 |