发布时间 : 星期三 文章ASPEN详细算例之《化工过程数学模型与计算机模拟》更新完毕开始阅读7a15811f964bcf84b9d57b5a
附录1 甲醇催化脱水生产二甲醚工艺流程图
P1－增压泵；M1－混合器；H1－加热汽化器， H2－换热器，R1－反应器；C1－冷却器；T1－二甲醚分离塔；V1－降压阀；T2－甲醇塔；C2－冷却器；V2－降压阀
附录2 ASPENPLUS模拟结果
FLOWSHEET SECTION
FLOWSHEET CONNECTIVITY BY STREAMS
STREAM SOURCE DEST STREAM SOURCE DEST 1 ---- P1 2 P1 M1 3 M1 H1 4 H1 H2 7 H2 C1 5 H2 R1 6 R1 H2 8 C1 T1 9 T1 ---- 10 T1 V1 12 T2 M1 13 T2 C2 14 C2 V2 15 V2 ---- 11 V1 T2 FLOWSHEET CONNECTIVITY BY BLOCKS
BLOCK INLET OUTLETS
P1 1 2 M1 2 12 3 H1 3 4 H2 6 4 7 5 R1 5 6 C1 7 8 T1 8 9 10 T2 11 12 13 C2 13 14 V2 14 15 V1 10 11 CONVERGENCE STATUS SUMMARY TEAR STREAM SUMMARY
STREAM MAXIMUM MAXIMUM VARIABLE CONV ID ERROR TOLERANCE ERR/TOL ID STAT BLOCK 12 0.15504E-16 0.36088E-09 0.42962E-07 WATER MOLEFLOW # $OLVER01 6 0.18460E-05 0.36135E-05 0.51085 DIMET-01MOLEFLOW # $OLVER01 #= CONVERGED *= NOT CONVERGED
CONVERGENCE BLOCK: $OLVER01
Tear Stream : 12 6 Tolerance used: 0.100D-03 0.100D-03
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Trace molefrac: 0.100D-05 0.100D-05
MAXIT=30 WAIT 1 ITERATIONS BEFORE ACCELERATING QMAX =0.00E+00 QMIN =-5.0
METHOD: WEGSTEIN STATUS: CONVERGED TOTAL NUMBER OF ITERATIONS: 13
FLOWSHEET SECTION CONVERGENCE BLOCK: $OLVER01 (CONTINUED) *** FINAL VALUES ***
VARIABLE VALUE PREV VALUE ERR/TOL TOTAL MOLEFLOW KMOL/HR 0.6504961D+02 0.6504961D+02 0.7680298D-11 TOTAL MOLEFLOW KMOL/HR 0.3250496D+03 0.3250330D+03 0.5097039D+00 METHA-01MOLEFLOW KMOL/HR 0.6490653D+02 0.6490653D+02 0.0000000D+00 DIMET-01MOLEFLOW KMOL/HR 0.1300861D+00 0.1300861D+00 0.0000000D+00 WATER MOLEFLOW KMOL/HR 0.1299177D-01 0.1299177D-01 0.4296159D-07 PRESSURE BAR 0.7300000D+01 0.7300000D+01 0.0000000D+00 MASS ENTHALPY J/KG -.7156255D+07 -.7156255D+07 -.6139674D-08 METHA-01MOLEFLOW KMOL/HR 0.6498131D+02 0.6497800D+02 0.5088026D+00 DIMET-01MOLEFLOW KMOL/HR 0.1300927D+03 0.1300861D+03 0.5108510D+00 WATER MOLEFLOW KMOL/HR 0.1299756D+03 0.1299690D+03 0.5090064D+00 PRESSURE BAR 0.1100000D+02 0.1100000D+02 0.0000000D+00 MASS ENTHALPY J/KG -.5924885D+07 -.5924885D+07 0.4057939D-03 *** ITERATION HISTORY *** TEAR STREAMS:
ITERATION MAX-ERR/TOL STREAM ID VARIABLE
1 0.1000E+05 6 TOTAL MOLEFLOW 2 -0.1000E+05 12 MASS ENTHALPY 3 2008. 6 DIMET-01MOLEFLOW 4 2008. 12 DIMET-01MOLEFLOW 5 334.1 6 DIMET-01MOLEFLOW 6 334.1 12 DIMET-01MOLEFLOW 7 64.58 6 DIMET-01MOLEFLOW 8 64.58 12 DIMET-01MOLEFLOW 9 12.82 6 DIMET-01MOLEFLOW 10 12.82 12 DIMET-01MOLEFLOW 11 2.558 6 DIMET-01MOLEFLOW
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12 2.558 12 DIMET-01MOLEFLOW 13 0.5109 6 DIMET-01MOLEFLOW COMPUTATIONAL SEQUENCE SEQUENCE USED WAS: P1
$OLVER01 M1 H1 H2 C1 T1 V1 T2 R1 (RETURN $OLVER01) C2 V2
OVERALL FLOWSHEET BALANCE
*** MASS AND ENERGY BALANCE ***
CONVENTIONAL IN OUT GENERATION RELATIVE DIFF. COMPONENTS (KMOL/HR )
METHA-01 260.000 0.714693E-01 -259.925 0.127158E-04 DIMET-01 0.000000E+00 129.956 129.963 0.511362E-04 WATER 0.000000E+00 129.956 129.963 0.509057E-04 TOTAL BALANCE
MOLE(KMOL/HR ) 260.000 259.983 0.000000E+00 0.637195E-04 MASS(KG/SEC ) 2.31416 2.31401 0.637699E-04 ENTHALPY(WATT ) -0.174268E+08 -0.175764E+08 0.850777E-02 PHYSICAL PROPERTIES SECTION COMPONENTS
ID TYPE FORMULA NAME OR ALIAS REPORT NAME METHA-01 C CH4O CH4O METHA-01 DIMET-01 C C2H6O-1 C2H6O-1 DIMET-01 WATER C H2O H2O WATER BLOCK: C1 MODEL: HEATER INLET STREAM: 7 OUTLET STREAM: 8
PROPERTY OPTION SET: PENG-ROB STANDARD PR EQUATION OF STATE *** MASS AND ENERGY BALANCE ***
TOTAL BALANCE IN OUT RELATIVE DIFF. MOLE(KMOL/HR ) 325.033 325.033 0.000000E+00 MASS(KG/SEC ) 2.89345 2.89345 0.000000E+00 ENTHALPY(WATT ) -0.176722E+08 -0.204796E+08 0.137086 *** INPUT DATA ***
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