乙烯装置压缩机组干气密封系统应用浅析

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英文篇名：Analysis on Application of the Dry Gas Seal System of Compressor Unit in Ethylene Plant 作者：张江平 ; 沈顺弟 英文作者：Zhang Jiangping;Shen Shundi;Shanghai Secco Petrochemical Co.,Ltd.; 关键词：压缩机 ; 干气密封 ; 应用 ; 联锁停车 ; 控制系统 英文关键词：ompressor;;dry gas seal;;application;;interlocking shutdown;;control system 中文刊名：SYHA 英文刊名：Technology & Economics in Petrochemicals 机构：上海赛科石油化工有限责任公司; 出版日期：2019-04-25 出版单位：石油化工技术与经济 年：2019 期：v.35;No.181 语种：中文; 页：SYHA201902017 页数：5 CN：02 ISSN：31-2004/TE 分类号：46-50

摘要

上海赛科石油化工有限责任公司1190 kt/a乙烯装置有7台压缩机组采用了干气密封系统,在装置生产中,曾出现由于干气密封系统故障或损坏造成裂解气压缩机组联锁停车。另外,由于N2系统波动、管线清洁等因素,影响干气密封系统运行。针对干气密封应用中存在的一系列实际问题,采取相应措施,确保了装置安全连续运转。
        There are 7 compressor units in the 1 190 kt/a ethylene plant of Shanghai Secco which adopted dry gas sealing system. In the production of the plant, interlock shutdown of the cracking gas compressor unit has occurred due to failure or damage of the dry gas sealing system. In addition, factors such as fluctuations of the N_2 system and pipeline cleaning may also affect the dry gas sealing system. In view ofthe series of practical problems in the application of dry gas sealing,corresponding measures were taken to ensure safe and continuous operation of the unit.

引文

[1]王松汉.乙烯装置技术与运行[M].北京:中国石化出版社,2009.