Author has analyzed the some kinds of configuration schemes for loop design in process flow of CO2 reciprocating compressor used for conveying the coal to pulverized coal gasifier; in allusion to the existing defect and shortage in design of loop, improvement scheme related to optimizing de- sign was suggested.%分析了粉煤气化炉输煤所用四段往复式CO2压缩机工艺流程中回路设计的几种配置方案;针对回路设计存在的缺陷和不足,提出了相关优化设计改进方案。
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