氨法脱硫中硫酸铵结晶电荷不守恒运行无error存在但是有warning.左下角显示结果错误

freezing · 发表于 1970-1-1 08:00:00

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   INFORMATION

   THERE ARE HENRY COMPONENTS DEFINED IN THIS CASE, THE BINARY DATABANK
   WILL BE SEARCHED AUTOMATICALLY FOR ANY AVAILABLE HENRY CONSTANTS.
   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 ELECPURE. THESE PARAMETERS ARE USED WITH ELECNRTL METHOD.
   UNLESS YOU ENTER YOUR OWN PARAMETERS IN PROP-DATA PARAGRAPHS.
   PARAMETER MW RETRIEVED FOR COMPONENT H2SO4
   PARAMETER PC RETRIEVED FOR COMPONENT H2SO4
   PARAMETER TC RETRIEVED FOR COMPONENT H2SO4
   PARAMETER ZC RETRIEVED FOR COMPONENT H2SO4
   PARAMETER RKTZRA RETRIEVED FOR COMPONENT H2SO4
   PARAMETER VC RETRIEVED FOR COMPONENT H2SO4
   PARAMETER DGFORM RETRIEVED FOR COMPONENT H2SO4
   PARAMETER DHFORM RETRIEVED FOR COMPONENT H2SO4
   PARAMETER VLBROC RETRIEVED FOR COMPONENT NH3
   PARAMETER CPAQ0 RETRIEVED FOR COMPONENT HSO4-
   PARAMETER THRSWT(ELEMENT/3) RETRIEVED FOR COMPONENT H2SO4
   PARAMETER CPAQ0 RETRIEVED FOR COMPONENT SO4--
   PARAMETER PLXANT RETRIEVED FOR COMPONENT H2O
   PARAMETER VLBROC RETRIEVED FOR COMPONENT CO2
   PARAMETER THRSWT(ELEMENT/3) RETRIEVED FOR COMPONENT H2O
   PARAMETER PLXANT RETRIEVED FOR COMPONENT H2SO4
  * WARNING WHILE CHECKING INPUT SPECIFICATIONS
   BLOCK NAME: RCSTR-01 MODEL NAME: RCSTR
   WHEN "TRUE-COMPS=YES" IS SPECIFIED WITH A CHEMISTRY
   PARAGRAPH, MASS BALANCE OR CONVERGENCE PROBLEMS MAY
   ARISE IF COMPONENTS PARTICIPATE IN BOTH CHEMISTRY
   AND REACTIONS.
  * WARNING WHILE CHECKING INPUT SPECIFICATIONS
   BLOCK NAME: RCSTR-01 MODEL NAME: RCSTR
   THE FOLLOWING EQUILIBRIUM REACTIONS ARE LINEARLY DEPENDENT IN
   REACTIONS "R-1", AND MAY CAUSE CALCULATIONS NOT TO CONVERGE:
      3

  Flowsheet Analysis :
Block $OLVER01 (Method: WEGSTEIN) has been defined to converge
      streams: RE3
COMPUTATION ORDER FOR THE FLOWSHEET:
COMPR-01 HEATE-02 PUMP-01
$OLVER01 FSPLI-02 ABSOBER FSPLI-01 COOLE-01
(RETURN $OLVER01)
FLASH-01 PUMP-02 HEATE-01 RCSTR-01 FLASH-02 CRYST-01
->Calculations begin ...
  * WARNING WHILE PERFORMING INITIAL ENTHALPY CALCULATIONS FOR STREAM: "C1"
   ALL NON-ZERO FLOW COMPONENTS ARE HENRY COMPONENTS,
   FLASH RESULTS MAY BE INCORRECT.

Block: COMPR-01 Model: COMPR
  * WARNING
   ALL NON-ZERO FLOW COMPONENTS ARE HENRY COMPONENTS,
   FLASH RESULTS MAY BE INCORRECT.
  * WARNING
   ALL NON-ZERO FLOW COMPONENTS ARE HENRY COMPONENTS,
   FLASH RESULTS MAY BE INCORRECT.

Block: HEATE-02 Model: HEATER
Block: PUMP-01  Model: PUMP
> Beginning Convergence Loop $OLVER01 Method: WEGSTEIN
  Converging tear streams: RE3
Block: FSPLI-02 Model: FSPLIT
Block: ABSOBER  Model: RADFRAC
   Convergence iterations:
      OL ML IL    Err/Tol
      1 1 3    836.36
      2 1 2    164.03
      3 1 2    94.850
      4 1 2    37.725
      5 1 1    12.958
      6 1 1    7.1381
      7 1 2    2.9943
      8 1 1    1.2257
      9 1 1    0.92378E-01
Block: FSPLI-01 Model: FSPLIT
Block: COOLE-01 Model: HEATER
> Loop $OLVER01 Method: WEGSTEIN    Iteration 1
  Converging tear streams: RE3
# Converged             Max Err/Tol  -0.74083E+00
Block: FLASH-01 Model: FLASH2
Block: PUMP-02  Model: PUMP
Block: HEATE-01 Model: HEATER
Block: RCSTR-01 Model: RCSTR
Block: FLASH-02 Model: FLASH2
Block: CRYST-01 Model: CRYSTALLIZER
  * WARNING
   OVERALL MASS BALANCE ERROR (-0.2725E-04) IS NOT WITHIN THE
   SPECIFIED TOLERANCE (0.1000E-04).
  * WARNING
   STREAM L7 IS NOT IN CHARGE BALANCE:
   ANION FLOW = -.88686589E-01, CATION FLOW = 0.88613814E-01
   ABSOLUTE DIFFERENCE = -.72775078E-04 RELATIVE DIFFERENCE = -.82126110E-03
  * WARNING
   STREAM L88 IS NOT IN CHARGE BALANCE:
   ANION FLOW = -.16982364E-01, CATION FLOW = 0.16909589E-01
   ABSOLUTE DIFFERENCE = -.72775078E-04 RELATIVE DIFFERENCE = -.43037756E-02
  * WARNING
   STREAM L10 IS NOT IN CHARGE BALANCE:
   ANION FLOW = -.50237104E-03, CATION FLOW = 0.42988031E-03
   ABSOLUTE DIFFERENCE = -.72490730E-04 RELATIVE DIFFERENCE = -.16863003E+00

->Generating block results ...
Block: PUMP-01  Model: PUMP
Block: COOLE-01 Model: HEATER
Block: PUMP-02  Model: PUMP
Block: HEATE-01 Model: HEATER
Block: HEATE-02 Model: HEATER
->Simulation calculations completed ...

  ***  Warning(s) were issued during Input Translation ***
  ***  Check the Run Status Results for more Information ***

            ***  Summary of Simulation Errors  ***
               Physical
               Property       System       Simulation
  Terminal Errors    0             0             0
Severe Errors    0             0             0
         Errors    0             0             0
      Warnings    0             0             7
这个工艺是氨水吸收二氧化硫生成亚硫酸铵，在通入空气氧化生成硫酸铵，结晶，过滤，干燥得到产品硫酸铵。