脱丁烷塔系统降压操作应用分析及实践  

APPLICATION ANALYSIS AND PRACTICE OF PRE-SSURE REDUCTION OPERATION IN DEBUTANIZER SYSTEM

作　　者：黄以翔 黄文周 谭岳华 梁钊源 Huang Yixiang;Huang Wenzhou;Tan Yuehua;Liang Zhaoyuan(ZhongKe(Guangdong)Refinery&Petrochemical Company Limited,Zhanjiang,Guangdong,P.C.524076)

机构地区：[1]中科(广东)炼化有限公司,广东湛江524076

出　　处：《乙烯工业》2023年第2期37-40,I0002,共5页Ethylene Industry

摘　　要：研究分析了某800 kt/a蒸汽裂解装置在原料重质化高负荷运行时,脱丁烷塔系统降低操作压力的可行性,并找到了当前工况下最佳操作压力,达到了减缓塔釜及其再沸器物料聚合程度、延长再沸器运行周期、优化塔顶塔釜产品质量、降低系统能耗、提高经济效益的目标。This paper analyzes the feasibility of reducing the operating pressure in the debutanizer system of an 800 kt/a steam cracking unit which is operated at a high load with heavy feedstock,finds the best operating pressure under the current working conditions,and achieves the goals of slowing down the material polymerization in tower bottom and reboiler,extending the operation cycle of reboiler,optimizing the quality of overhead and bottom products,reducing the energy consumption of the system and improving the economic benefits.

关 键 词：脱丁烷塔 降压操作 影响分析 

分 类 号：TQ050.7[化学工程] TE65[石油与天然气工程—油气加工工程]