油品分馏.bkp

aspen用的7.3.2的版本 流程是油品分馏进热高分，后面有高分和低分， 模拟中气提塔B1进料是 冷低分液和热高分气，B1下面有蒸汽气提，打算B1上面出来石脑油馏分，剩下的馏分从塔底出来，不过现在一直模拟不过，还没有进行塔分离设定，自己是菜鸟，B1塔两股进料的位置和回流比不确定是否合适，希望可以得到大家的帮忙，谢谢模拟错误如下：

*** 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:
       25
      A LIMIT OF  0.10000E-04 * SUM OF FEEDS WAS IMPOSED ON THE FLOW RATES.

  **  ERROR
      SPECIFIED CONDENSER TEMPERATURE (323.1500 K)
      IS LESS THAN BUBBLE POINT TEMPERATURE (327.8630 K).
      FINAL RESULTS ARE COMPUTED AT BUBBLE POINT TEMPERATURE.


  **  ERROR
      BLOCK B1 IS NOT IN MASS BALANCE:
      MASS INLET FLOW = 0.11428275E+01, MASS OUTLET FLOW = 0.12173914E+01
      RELATIVE DIFFERENCE = 0.65245057E-01