液化气抽提脱硫模拟总是不收敛
进料条件如上，关键字文件在附件里，麻烦高手帮忙看看怎么调整才能收敛呢
打开就是收敛的。。。。
tdl522 发表于 2014-9-24 17:17
打开就是收敛的。。。。
朋友，你的是9.2版本的吗，怎么我的运行就有下面的这么多问题呢
R
PRO/IIVersion 9.2 ELEC V9.0.6 - Input module
==============================================
*** SCANNING
GENERAL DATA
PROJECT USER
PROBLEM DATE04/24/05
COMPONENT DATA
THERMO DATA
STREAM DATA
*** CHECKING
GENERAL DATA
CHECKING COMPONENT DATA
THERMO DATA
STREAM DATA
*** SCANNING
Unit 1 - 'T1 '
*** CHECKING
UNIT DATA
EXECUTION SEQUENCE
FEED FLASH CONDITIONS
*** WRITING SIMULATION DATA TO DISK
*** RUN STATISTICS
STARTED 09:08:25 09/25/14 NO ERRORS
FINISHED 09:08:25 09/25/14 NO WARNINGS
RUN TIME 0 MIN,0.15 SEC NO MESSAGES
*** CHECKING
UNIT DATA
EXECUTION SEQUENCE
FEED FLASH CONDITIONS
R
PRO/IIVersion 9.2 ELEC V9.0.6 - Calculation module
====================================================
*** READING PRO/II DATABASE
PROJECT USER
PROBLEM DATE04/24/05
*** PROBLEM SOLUTION BEGINS
FEED FLASH BEGINS
** WARNING **The liquid enthalpy of MDEA at temperature 318.15 K is outside
the acceptable range of 337.5 K through 506.25 K.
FEED FLASH COMPLETE
UNIT 1 BEGINS - 'T1 '
** WARNING **The liquid enthalpy of PROPANE at temperature 366.15 K is
outside the acceptable range of 85.47 K through 360 K.
======== Scaled & Normalized SQRT(SUM(ERR**2)) =======
Component Component Stage Average VLLE
IterAlpha VLE M-Balance H-Balance SumX+SumY Range
---- ------------------------------------------------------ -----
11.0000 4.602E-06 * 4.602E-06 * 1.631E-03 0.000E+00 1- 6
21.0000 2.631E-07 * 2.631E-07 * 2.189E-04 0.000E+00 1- 6
31.0000 1.242E-09 * 1.242E-09 * 1.402E-05 * 0.000E+00 1- 6
41.0000 1.005E-12 * 1.005E-12 * 1.089E-07 * 0.000E+00 1- 6
-----------------------------------------------------------
Max - Error 0.000E+00 * 4.475E-11 *-4.413E-07 * 0.000E+00
- Tray -- 1-- -- 3-- -- 4--
- Comp.*** H2S
* - Maximum error satisfies convergence tolerance.
.
.
** WARNING **TWO LIQUID PHASES NOT FORMED ON TRAY 1
*** ERROR ***Both L1 and L2 phases are REQUIRED for an LLEX column. Check
the stream compositions for tray 1.
UNIT 1 NOT SOLVED
*** PROBLEM SOLUTION NOT REACHED
** WARNING **Unit 'T1' DID NOT SOLVE
*** Run completed - Case not solved
*** THIS RUN USED 2.00 PRO/II SIMULATION UNITS
*** RUN STATISTICS
STARTED 09:08:29 09/25/14 1 ERROR
FINISHED 09:08:30 09/25/14 3 WARNINGS
RUN TIMES NO MESSAGES
INTERACTIVE 0 MIN,0.00 SEC
CALCULATIONS 0 MIN,0.65 SEC
TOTAL 0 MIN,0.65 SEC tdl522 发表于 2014-9-24 17:17
打开就是收敛的。。。。
看信息好像主要是第一层板上没有两相形成，没有分层呢 用9.1版本可以收敛，你注意调一下
lfhgzzg 于 2014-11-12 10:07:00 补充以下内容:
我用9.1算过，没问题 8.0不收敛，好像不分相
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