aspen模拟间歇精馏的简单程序

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BLOCK: COL MODEL: BATCHFRAC ---------------------------------

CHARGE - FEED OPSTEP O-1 STAGE 10 OUTLETS - PROD COL-CONTENTS OPSTEP O-1 STAGE 10 DIST DISTILLATE OPSTEP O-1 STAGE 1 PROPERTY OPTION SET: NRTL-RK RENON (NRTL) / REDLICH-KWONG

*** MASS AND ENERGY BALANCE *** IN OUT RELATIVE DIFF. TOTAL BALANCE MOLE(KMOL/HR ) 35.5310 35.5310 -0.651964E-07 MASS(KG/HR ) 1000.00 1000.00 0.346421E-06 ENTHALPY(MMKCAL/H) -2.18172 -2.13628 -0.208274E-01

********************** **** INPUT DATA **** **********************

**** INPUT PARAMETERS ****

NUMBER OF PHASES 2 NUMBER OF THEORETICAL STAGES 10 NUMBER OF OPERATION STEPS 1 NUMBER OF ACCUMULATORS 1 ALGORITHM OPTION STANDARD MAXIMUM NO. OF TOTAL REFLUX LOOPS 60 MAXIMUM NO. OF OUTSIDE LOOPS 50 MAX NO. OF INSIDE LOOPS/OUTSIDE LOOP 10 MAXIMUM NUMBER OF FLASH ITERATIONS 50 REPORT TIME INTERVAL HR 2.00000 FLASH TOLERANCE 0.000100000 DISTILLATION ALGORITHM OUTSIDE LOOP TOL 0.100000-04 DISTILLATION ALGORITHM INSIDE LOOP TOL 0.100000-05 TOTAL REFLUX ALGORITHM TOLERANCE 0.100000-05 INTEGRATION ERROR TOLERANCE 0.000100000 INITIAL TIME STEP USED BY INTEGRATOR HR 0.00027778

************************************ **** OPERATION STEP O-1 ****

************************************

**** COL-SPECS ****

MOLAR VAPOR DIST / TOTAL DIST 0.0 MASS DISTILLATE RATE KG/HR 10.0000 MOLAR REFLUX RATIO 2.00000 MOLAR BOILUP RATE (TOTAL REF) KMOL/HR 3.55310

**** COLUMN PROFILES ****

TRAY HOLDUP PRESSURE BAR 1 10.0000 KG 1.01000 2 1.00000 KG 1.02000 3 1.00000 KG 1.03000 4 1.00000 KG 1.04000 5 1.00000 KG 1.05000 6 1.00000 KG 1.06000 7 1.00000 KG 1.07000 8 1.00000 KG 1.08000 9 1.00000 KG 1.09000 10 0.0 CUM 1.10000

**** STOP CRITERION ****

RUN UNTIL MASS FRACTION IN STAGE LIQUID FALLS ABOVE STOP CRITERION

STAGE NO : 3 STOP CRIT : 0.99000

MASS-FRACTION = NUMERATOR/DENOMINATOR NUMERATOR : DMF DENOMINATOR : DMF METHA-01 WATER MAXIMUM SIMULATION TIME FOR THIS OPERATION STEP: 100.00 HR

*** SYSTEM INVENTORY AT BEGINNING OF OPERATION STEP O-1 ***

COMPONENT COLUMN ACCUMULATORS KMOL KMOL DMF 1.3681 0.00000E+00 METHA-01 20.286 0.00000E+00 WATER 13.877 0.00000E+00 TOTAL 35.531 0.00000E+00

************************************ *** TIME = 0.00000E+00 HR ***

************************************

STAGE TEMPERATURE PRESSURE HEAT DUTY LIQUID HOLDUP C BAR MMKCAL/H KMOL

1 64.455 1.0100 -0.78652E-0

2 0.31211 2 64.709 1.0200 0.00000E+00

0.31213E-01 3 64.965 1.0300 0.00000E+00 0.31220E-01 4 65.229 1.0400

0.00000E+00 0.31236E-01 5 65.519 1.0500 0.00000E+00 0.31276E-01 6 65.873

1.0600 0.00000E+00 0.31376E-01 7 66.390 1.0700 0.00000E+00 0.31622E-01 8 67.316 1.0800 0.00000E+00 0.32240E-01 9 69.328 1.0900 0.00000E+00 0.33773E-01 10 74.975 1.1000 0.78213E-02 34.965

STAGE FLOW RATE FEED RATE PRODUCT RATE KMOL/HR KMOL/HR KMOL/HR LIQUID VAPOR LIQUID VAPOR MIXED LIQUID VAPOR 1 0.6242 0.0000E+00 2 0.6244 0.9363 3 0.6244 0.9365 4 0.6242 0.9366 5 0.6235 0.9366 6 0.6215 0.9363 7 0.6160 0.9352 8 0.6020 0.9323 9 0.5649 0.9246 10 0.0000E+00 0.9038

**** MOLE-X-PROFILE **** STAGE DMF METHA-01 WATER 1 0.53752E-15 0.99987 0.13337E-03 2 0.20554E-13 0.99967 0.32951E-03 3 0.78409E-12 0.99919 0.81309E-03 4 0.29825E-10 0.99800 0.20040E-02 5 0.11297E-08 0.99507 0.49338E-02 6 0.42475E-07 0.98787 0.12135E-01 7 0.15719E-05 0.97017 0.29823E-01 8 0.56014E-04 0.92671 0.73237E-01 9 0.17975E-02 0.81945 0.17875 10 0.39126E-01 0.56427 0.39660

**** MOLE-Y-PROFILE **** STAGE DMF METHA-01 WATER 1 0.14027E-16 0.99995 0.53916E-04 2 0.53751E-15 0.99987 0.13337E-03 3 0.20554E-13 0.99967 0.32951E-03 4 0.78409E-12 0.99919 0.81309E-03 5 0.29825E-10 0.99800 0.20040E-02 6 0.11297E-08 0.99507 0.49338E-02 7 0.42475E-07 0.98787 0.12135E-01 8 0.15719E-05 0.97017 0.29823E-01 9 0.56015E-04 0.92671 0.73238E-01 10 0.17974E-02 0.81946 0.17875

ACCUMULATOR HOLDUP KMOL