Aspen求助
Loop $OLVER01 Method: WEGSTEIN Iteration 27Converging tear streams: S1
3 vars not converged, Max Err/Tol 0.49999E+09
Block: B2 Model: HEATX
**ERROR
"COLD" STREAM IS HOTTER THAN "HOT" STREAM
BLOCK BYPASSED
Block: B8 Model: FLASH3
Block: B9 Model: PUMP
Block: B10 Model: MIXER
Block: B1 Model: RADFRAC
Convergence iterations:
OL ML IL Err/Tol
1 1 10 0.17871E+07
2 1 10 8166.5
3 1 7 1123.4
4 1 10 476.15
5 1 10 331.35
6 1 10 305.93
7 1 10 787.33
*** SEVERE ERROR
THE FOLLOWING STAGES DRIED UP (VAPOR OR LIQUID FLOW APPROACHES 0):
6 7 10
A LIMIT OF0.10000E-04 * SUM OF FEEDS WAS IMPOSED ON THE FLOW RATES
OR A LIMIT OF0.10000E-04 WAS IMPOSED ON THE STAGE V/L OR L/V RATIO.
> Loop $OLVER01 Method: WEGSTEIN Iteration 28
Converging tear streams: S1
19 vars not converged, Max Err/Tol 0.19750E+05
Block: B2 Model: HEATX
**ERROR
"COLD" STREAM IS HOTTER THAN "HOT" STREAM
BLOCK BYPASSED
Block: B8 Model: FLASH3
Block: B9 Model: PUMP
Block: B10 Model: MIXER
Block: B1 Model: RADFRAC
Convergence iterations:
OL ML IL Err/Tol
1 1 10 21069.
2 1 4 2035.7
3 1 4 176.08
*** SEVERE ERROR
THE FOLLOWING STAGES DRIED UP (VAPOR OR LIQUID FLOW APPROACHES 0):
5 6 7 8 9 10
A LIMIT OF0.10000E-04 * SUM OF FEEDS WAS IMPOSED ON THE FLOW RATES
OR A LIMIT OF0.10000E-04 WAS IMPOSED ON THE STAGE V/L OR L/V RATIO.
> Loop $OLVER01 Method: WEGSTEIN Iteration 29
Converging tear streams: S1
14 vars not converged, Max Err/Tol-0.10000E+05
Block: B2 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =3.2758000D+02 IS MORE THAN THIN =3.0615000D+02
Block: B8 Model: FLASH3
Block: B9 Model: PUMP
Block: B10 Model: MIXER
Block: B1 Model: RADFRAC
Convergence iterations:
OL ML IL Err/Tol
1 1 10 216.88
2 1 10 109.39
3 12 28 51.417
*** SEVERE ERROR
THE FOLLOWING STAGES DRIED UP (VAPOR OR LIQUID FLOW APPROACHES 0):
2 3 5 6 7 8 9 10
A LIMIT OF0.10000E-04 * SUM OF FEEDS WAS IMPOSED ON THE FLOW RATES
OR A LIMIT OF0.10000E-04 WAS IMPOSED ON THE STAGE V/L OR L/V RATIO.
> Loop $OLVER01 Method: WEGSTEIN Iteration 30
Converging tear streams: S1
* WARNING
CONVERGENCE BLOCK $OLVER01 NOT CONVERGED IN 30 ITERATIONS
14 vars not converged, Max Err/Tol-0.10000E+05
**ERROR
BLOCK B1 IS NOT IN MASS BALANCE:
MASS INLET FLOW = 0.15430546E+03, MASS OUTLET FLOW = 0.15668997E+03
RELATIVE DIFFERENCE = 0.15453185E-01
MAY BE DUE TO A TEAR STREAM OR A STREAM FLOW MAY HAVE
BEEN CHANGED BY A FORTRAN, TRANSFER, OR BALANCE BLOCK
AFTER THE BLOCK HAD BEEN EXECUTED.
**ERROR
Convergence block $OLVER01 did not converge
normally in the final pass
->Generating block results ...
Block: B2 Model: HEATX
* WARNING WHILE GENERATING RESULTS FOR UNIT OPERATIONS BLOCK: "B2" (MODEL:
"HEATX")
CALCULATED FEED TEMPERATURE FOR THE COLD SIDE (2.5531554D+02)
IS INCONSISTENT WITH ITS INLET STREAM VALUE (2.3544202D+02)
PROBABLE CAUSE: LOOSE FLASH TOLERANCE, OR UPSTREAM BLOCK WITH DIFFERENT
NPHASE OR PROP SET. THE CALCULATED VALUE WILL BE USED IN CALCULATIONS
**ERROR WHILE GENERATING RESULTS FOR UNIT OPERATIONS BLOCK: "B2" (MODEL:
"HEATX")
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =3.2758000D+02 IS MORE THAN THIN =3.0615000D+02
Block: B9 Model: PUMP
->Simulation calculations completed ...
哪里错了呢
楼主的错误太多了，建议多看看ASPEN资料书，从基本功做起 好多错误的。换热器X，塔问题，不收敛。等等。你这应该不是一个问题导致的。。 错误很多啊，你可以一个模块一个模块的调试，改正。 {:530:}{:530:}{:526:}{:526:} "COLD" STREAM IS HOTTER THAN "HOT" STREAM
BLOCK BYPASSED
- 本文出自马后炮化工-让天下没有难学的化工技术，原文地址：https://meng.horse/thread-213989-1-1.html
冷物料比热物料温度高，物流接反了 radfrac塔的进水流量可能太小，或者可能塔板的设置，水流和气流进入塔板设置错误； 文件不上传，没人能具体帮你。
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