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qian xi gan qi dai ye xian xiang de gai jin
Author(s): AN Zhifang
Pages: 157-
158,160
Year: 2015
Issue:
36
Journal: Chemical Enterprise Management
Keyword: 煤液化; 轻烃回收; 干气带液; 液化气收率; 脱硫;
Abstract: 为研究神华煤直接液化工艺生产流程中轻烃回收装置尾气收率低、脱硫效果差的问题,实际测量了吸收塔富气进料的各项指标,对比了实际值与设计值的差异,分析了干气和富气样组分含量,在此基础上总结了产生尾气收率低,脱硫效果差的原因,提出了改进措施.结果显示,吸收塔富气进料负荷超过设计负荷,吸收塔空塔气速超过设计值是产生干气带液现象的主要原因,吸收塔氨冷器的液位失灵、解吸效果差也会对其有一定影响,通过改进可以有效提升.
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