新手求助，吸收塔模拟MDEA吸收SO2错误

黎明前的星 · 发表于 1970-1-1 08:00:00

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 OF  0.10000E-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