...烷塔 脱丙烷塔 丙烯塔 [gap=1452]Keywords] gas fractionation unit；revamping；deethanizing column；depropanizing column；propylene column ...
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运用过程模拟技术，成功地完成了大庆脱丙烷塔的技术改造。
The application of process simulation to the technological transformations of Depropanizer in Daqing has been proved to be successful.
对低压脱丙烷塔堵塞原因进行分析，并提出优化操作减缓堵塞的方法，保证了该塔长周期运行。
Causes for clogging in LP Depropanizer are analyzed and methods for optimizing the operation to alleviate the clogging are proposed, thus ensuring the long cycle of the column.
通过HYSYS模拟系统，来优化裂解装置脱丙烷塔的操作，减少丙烯损失，保证C4产品质量。
Optimization with HYSYS system on depropanizer operation for cracking unit can reduce propylene loss and ensure the high quality C4 product.
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