电厂脱硫浆液循环泵密封系统的优化改造  

Optimization and Renovation of Sealing System for Desulfurization Slurry Circulation Pump in Power Plant

作　　者：莦锵勇 XIAO Qiangyong(Fujian Huadian Kemen Power Generation Co.,Ltd.,Fuzhou 350512,China)

机构地区：[1]福建华电可门发电有限公司,福州350012

出　　处：《机电技术》2024年第5期94-96,共3页Mechanical & Electrical Technology

摘　　要：可门电厂采用湿法烟气脱硫系统,浆液循环泵是其重要组成部分,其主要作用是向吸收塔供应石灰石浆液。由于水质等原因,浆液循环泵在运行中存在机械密封泄漏等问题。在检修过程中,叶轮密封由于结构问题,拆卸难度非常大。文章通过分析叶轮密封及机械密封存在的问题,针对性地进行了技术改造,有力地保证了脱硫系统的正常运行,对大气污染的防治具有重要的现实意义。Kemen power plant adopts a wet flue gas desulfurization system,and the slurry circulation pump is an important component of it.Its main function is to supply limestone slurry to the absorption tower.Due to water quality and other reasons,there are mechanical seal leaks and other issues with the slurry circulation pump during operation.During the maintenance process,the impeller seal is very difficult to disassemble due to structural issues.This article analyzes the problems of impeller seals and me-chanical seals,and carries out targeted technical modifications to effectively ensured the normal operation of the desulfurization system,which has important practical significance for the prevention and control of air pollution.

关 键 词：浆液循环泵 叶轮密封 填料密封 

分 类 号：X773[环境科学与工程—环境工程] TH136[机械工程—机械制造及自动化]