Aspen模拟

331082jin

在氯乙烯清制工段低沸塔经塔顶，塔釜回流率与纯度进一步调整后出现以下问题，求告知怎么改正
SEVERE ERROR
   COLUMN NOT IN MASS BALANCE.
   CHECK FEEDS, PRODUCTS, COL-SPECS, AND VARY SKWS.
***SEVERE ERROR
   CMBAL CALCULATIONS FAILURE: RERUN WITH CHANGES SUGGESTED
   IF THERE ARE ANY.
***SEVERE ERROR
   MATERIAL AND ENERGY BALANCES FAILED TO CONVERGE: CHECK COL-SPECS
   OR SUPPLY BETTER TEMPERATURE AND COMPOSITION ESTIMATES.
** ERROR
   FINAL VALUE OF ONE OR MORE MANIPULATED VARIABLE LIES OUTSIDE
   USER-SPECIFIED BOUNDS.  BOUNDS FOR MANIPULATED VARIABLES ARE
   NOT USED FOR DSMETH=SIMULT.
*  WARNING
   REST OF BLOCK BYPASSED DUE TO SEVERE ERROR.

王绍强

col specor 那边可能有点问题