流程模拟精馏塔中出现干板，且有进料为0的流股，怎么办，求大神帮忙
请大神看一下下面的错误，帮忙解决一下，新手，求帮助啊*** SEVERE ERROR
THE FOLLOWING STAGES DRIED UP (VAPOR OR LIQUID FLOW APPROACHES 0):
21 22 25
A LIMIT OF0.10000E-04 * SUM OF FEEDS WAS IMPOSED ON THE FLOW RATES
OR A LIMIT OF0.10000E-04 WAS IMPOSED ON THE STAGE V/L OR L/V RATIO.
INFORMATION
CALCULATED REBOILER DUTY IS NEGATIVE.
Block: 2 Model: FSPLIT
* WARNING
ZERO FEED TO THE BLOCK. BLOCK BYPASSED
Block: C1 Model: COMPR
* WARNING
TOTAL FLOW IS ZERO. BLOCK IS BYPASSED.
求大神帮帮忙，最好详细点，本人新手小白，有很多不懂
这是模拟源文件 这好办 先单独加一根 设置流量为0.00001 即可
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