裂解气压缩机高压缸机械密封失效原因分析

乙烯工业 ›› 2021, Vol. 33 ›› Issue (3): 46-48.

裂解气压缩机高压缸机械密封失效原因分析

吴伟，张迪，刘晓晖，王青军

中国石油天然气股份有限公司辽阳石化分公司，辽宁辽阳 111003

收稿日期:2020-08-10 修回日期:2021-05-17 出版日期:2021-09-25 发布日期:2021-09-29
作者简介:吴伟，男，1996年毕业于广东石油化工高等专科学校有机化工专业，学士，长期从事乙烯生产及管理工作，现任辽阳石化分公司烯烃厂厂长，副高级工程师。

Cause Analysis of Mechanical Seal Failure of HP Cylinder of Cracking Gas Compressor

Wu Wei, Zhang Di, Liu Xiaohui, Wang Qingjun

PetroChina Liaoyang Petrochemical Company, Liaoyang, Liaoning, P.C.111003

Received:2020-08-10 Revised:2021-05-17 Online:2021-09-25 Published:2021-09-29

摘要/Abstract

摘要： 中国石油辽阳石化公司200 kt/a乙烯装置裂解气压缩机(C201)在大检修开车7个月后，润滑油损耗明显增加，经判断是压缩机高压缸四段机械密封泄漏失效。针对这一问题,从设备制造和检修质量、工艺操作稳定性和生产波动角度进行分析，找出机械密封失效的原因，并提出改进措施，保证了机组的平稳安全和长周期运行。

关键词: 裂解气压缩机 , 机械密封 , 损坏原因

Abstract:

After seven months of operation since the overhaul of cracking gas compressor in the 200 kt/a ethylene plant at PetroChina Liaoyang Petrochemical Company, the loss of lube oil increased significantly. It was judged that the leakage failure of the four-stage mechanical seal of the compressor high pressure cylinder was the cause. To solve this problem, the engineering and technical staff analyzed the problem from the perspective of equipment manufacturing and maintenance quality, process operation stability and production fluctuations, identified the fundamental reasons for the mechanical seal failure, and proposed some improvement measures to ensure the stable, safe and long-term operation of the compressor.

Key words: cracking gas compressor, mechanical seal, cause of damage

吴伟, 张迪, 刘晓晖, 王青军. 裂解气压缩机高压缸机械密封失效原因分析[J]. 乙烯工业, 2021, 33(3): 46-48.

Wu Wei, Zhang Di, Liu Xiaohui, Wang Qingjun. Cause Analysis of Mechanical Seal Failure of HP Cylinder of Cracking Gas Compressor[J]. Ethylene Industry, 2021, 33(3): 46-48.

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