Aspen模拟氨合成过程中，流程图上面没有显示出错误，为啥计算结果中有这么多错误？
本帖最后由 douhaifeng12 于 2016-5-20 15:28 编辑为什么流程图上面没显示出有错误？？温度，压力都是对的计算结果：
->Processing input specifications ...
THE PAIR PARAMETERS FOR ELECNRTL OPTION SET HAS BEEN RETRIEVED FROM
DATABANK ENRTL-RK.
INFORMATION
PURE COMPONENT PARAMETERS FOR SOME COMPONENTS ARE RETRIEVED FROM
DATABANK.THESE PARAMETERS ARE USED WITH THE ELECNRTL OPTION SET
UNLESS YOU ENTER YOUR OWN PARAMETERS IN PROP-DATA PARAGRAPHS.
PARAMETER PLXANT RETRIEVED FOR COMPONENT H2O
PARAMETER THRSWT(ELEMENT/3) RETRIEVED FOR COMPONENT H2O
PARAMETER VLBROC RETRIEVED FOR COMPONENT NH3
* WARNING WHILE CHECKING INPUT SPECIFICATIONS
INCONSISTENT PROPERTIES DETECTED FOR STREAM "3"
FROM BLOCK: "R1"PROPERTIES: PENG-ROB
TO BLOCK: "E1"PROPERTIES: RK-SOAVE
* WARNING WHILE CHECKING INPUT SPECIFICATIONS
INCONSISTENT PROPERTIES DETECTED FOR STREAM "5"
FROM BLOCK: "E2"PROPERTIES: PR-BM
TO BLOCK: "E1"PROPERTIES: RK-SOAVE
* WARNING WHILE CHECKING INPUT SPECIFICATIONS
INCONSISTENT FREE-WATER DETECTED FOR STREAM "8"
FROM BLOCK: "E3"FREE-WATER: NO
TO BLOCK: "E2"FREE-WATER: YES
Flowsheet Analysis :
Block $OLVER01 (Method: WEGSTEIN) has been defined to converge
streams: 5 8
COMPUTATION ORDER FOR THE FLOWSHEET:
R1
$OLVER01 E1 E2 E3
(RETURN $OLVER01)
->Calculations begin ...
Block: R1 Model: RSTOIC
> Beginning Convergence Loop $OLVER01 Method: WEGSTEIN
Block: E1 Model: HEATX
* WARNING
AT LEAST ONE FEED HAS ZERO FLOW
BLOCK BYPASSED
Block: E2 Model: HEATX
* WARNING
AT LEAST ONE FEED HAS ZERO FLOW
BLOCK BYPASSED
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 1
* WARNING
THE VALUES FOR SOME VARIABLES ARE MISSING.
THIS MAY BE CAUSED BY A ZERO-FLOW STREAM.
THE PREVIOUS VALUES OF THE VARIABLES WILL BE USED.
THE MISSING VARIABLES ARE:
"7" THRU "8"
2 vars not converged, Max Err/Tol 0.10000E+07
Block: E1 Model: HEATX
* WARNING
AT LEAST ONE FEED HAS ZERO FLOW
BLOCK BYPASSED
Block: E2 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =5.4215000D+02 IS LESS THAN TCIN =6.6635106D+02
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 2
4 vars not converged, Max Err/Tol 0.10000E+05
Block: E1 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E2 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =5.4215000D+02 IS LESS THAN TCIN =6.6635106D+02
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 3
1 vars not converged, Max Err/Tol-0.10096E+03
Block: E1 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E2 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =5.4215000D+02 IS LESS THAN TCIN =6.0985817D+02
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 4
1 vars not converged, Max Err/Tol-0.10096E+03
Block: E1 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E2 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =5.4215000D+02 IS LESS THAN TCIN =6.0985817D+02
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 5
1 vars not converged, Max Err/Tol-0.99947E+02
Block: E1 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E2 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =5.4215000D+02 IS LESS THAN TCIN =5.5481762D+02
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 6
1 vars not converged, Max Err/Tol-0.99947E+02
Block: E1 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E2 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =5.4215000D+02 IS LESS THAN TCIN =5.5481762D+02
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 7
1 vars not converged, Max Err/Tol-0.98958E+02
Block: E1 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E2 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 8
2 vars not converged, Max Err/Tol-0.32016E+03
Block: E1 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =6.8015000D+02 IS LESS THAN TCIN =6.8560585D+02
Block: E2 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 9
2 vars not converged, Max Err/Tol-0.86217E+02
Block: E1 Model: HEATX
**ERROR
"COLD" STREAM IS HOTTER THAN "HOT" STREAM
BLOCK BYPASSED
Block: E2 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 10
2 vars not converged, Max Err/Tol-0.85200E+02
Block: E1 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =6.8015000D+02 IS LESS THAN TCIN =7.2061191D+02
Block: E2 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 11
1 vars not converged, Max Err/Tol-0.84480E+02
Block: E1 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =6.8015000D+02 IS LESS THAN TCIN =7.2061191D+02
Block: E2 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 12
1 vars not converged, Max Err/Tol-0.83773E+02
Block: E1 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =6.8015000D+02 IS LESS THAN TCIN =7.2061191D+02
Block: E2 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 13
1 vars not converged, Max Err/Tol-0.83077E+02
Block: E1 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =6.8015000D+02 IS LESS THAN TCIN =7.2061191D+02
Block: E2 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 14
1 vars not converged, Max Err/Tol-0.82392E+02
Block: E1 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =6.8015000D+02 IS LESS THAN TCIN =7.2061191D+02
Block: E2 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 15
1 vars not converged, Max Err/Tol-0.81719E+02
Block: E1 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =6.8015000D+02 IS LESS THAN TCIN =7.2061191D+02
Block: E2 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 16
1 vars not converged, Max Err/Tol-0.81056E+02
Block: E1 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =6.8015000D+02 IS LESS THAN TCIN =7.2061191D+02
Block: E2 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 17
1 vars not converged, Max Err/Tol-0.80405E+02
Block: E1 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =6.8015000D+02 IS LESS THAN TCIN =7.2061191D+02
Block: E2 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 18
1 vars not converged, Max Err/Tol-0.79763E+02
Block: E1 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =6.8015000D+02 IS LESS THAN TCIN =7.2061191D+02
Block: E2 Model: HEATX
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 19
2 vars not converged, Max Err/Tol-0.51302E+02
Block: E1 Model: HEATX
**ERROR
INVALID HOT STREAM TEMPERATURE SPECIFICATION
T-SPEC =6.8015000D+02 IS LESS THAN TCIN =7.0307930D+02
Block: E2 Model: HEATX
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 20
2 vars not converged, Max Err/Tol-0.17000E+03
Block: E1 Model: HEATX
**ERROR
TEMPERATURE CROSSOVER DETECTED
RE-CALCULATING WITH MINIMUM APPROACH TEMP. SPEC
Block: E2 Model: HEATX
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 21
1 vars not converged, Max Err/Tol-0.99862E+02
Block: E1 Model: HEATX
Block: E2 Model: HEATX
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 22
3 vars not converged, Max Err/Tol-0.36216E+03
Block: E1 Model: HEATX
Block: E2 Model: HEATX
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 23
1 vars not converged, Max Err/Tol-0.31357E+02
Block: E1 Model: HEATX
Block: E2 Model: HEATX
Block: E3 Model: HEATX
> Loop $OLVER01 Method: WEGSTEIN Iteration 24
# Converged Max Err/Tol 0.00000E+00
->Generating block results ...
Block: E1 Model: HEATX
Block: E2 Model: HEATX
Block: E3 Model: HEATX
->Simulation calculations completed ...
***No Warnings were issued during Input Translation ***
***Summary of Simulation Errors***
Physical
Property System Simulation
Terminal Errors 0 0 0
Severe Errors 0 0 0
Errors 0 0 36
Warnings 0 0 5
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