黎明前的星 发表于 2017-5-18 16:32:24

新手求助，吸收塔模拟MDEA吸收SO2错误

Block: ABSORBER Model: RADFRAC

       Convergence iterations:
         OL   ML   IL   Err/Tol
          1    1    1   0.17535E-10
          2    1    1   0.33952E-08
          3    1    1   0.16496E-16
*** SEVERE ERROR
      MATERIAL AND ENERGY BALANCES FAILED TO CONVERGE: CHECK COL-SPECS
      OR SUPPLY BETTER TEMPERATURE AND COMPOSITION ESTIMATES.

*** SEVERE ERROR
      THE FOLLOWING STAGES DRIED UP:
      6
      A LIMIT OF0.10000E-04 * SUM OF FEEDS WAS IMPOSED ON THE FLOW RATES.


**ERROR
      BLOCK ABSORBER IS NOT IN MASS BALANCE:
      MASS INLET FLOW = 0.60012238E+02, MASS OUTLET FLOW = 0.59981694E+02
      RELATIVE DIFFERENCE = 0.50921419E-03

*   WARNING
      STREAM LIQ-OUT IS NOT IN CHARGE BALANCE:
      ANION FLOW = -.97978499E-02, CATION FLOW = 0.92227059E-02
      ABSOLUTE DIFFERENCE = -.57514400E-03 RELATIVE DIFFERENCE = -.62361741E-01

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