大型脱硫循环泵用新型机械密封装置的设计.pdf

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2009年 8月润滑与密封 Aug 2009
第 34卷第 8期 LUBR ICATION ENGINEER ING Vol 34 No 8
DO I: 10 3969 / j issn 0254 - 0150 2009 08 022
大型脱硫循环泵用新型机械密封装置的设计
母福生 1 文传顺 1, 2 樊卫国 3
(1. 中南大学湖南长沙 410083; 2. 自贡兆强密封制品实业有限公司四川自贡 643000;
石家庄工业泵厂河北石家庄)
2 1 1 3 050100
摘要: 针对大型脱硫循环泵工作过程中机械密封存在的易出现振动、轴向冲击和干烧等问题, 通过设计缓冲垫和节
流环等新型结构, 研制出一种适合大型脱硫循环泵工况要求和密封腔体特点的新型机械密封装置, 并介绍了该新型密封
装置的结构设计和主要的技术特点。该新型密封装置已成功应用于大型脱硫循环泵的密封。
关键词: 脱硫循环泵; 机械密封; 缓冲垫; 节流环
中图分类号: TH136 文献标识码: A 文章编号: 0254 - 0150 (2009) 8 - 088 - 4
The Design of New Type M echan ical Seal Device of
Large scale Desulphurization C irculating Pump
M u Fu sheng1 W en C huan shun1, 2 Fan W e iguo3
(1. Central South University, Changsha Hunan 410083, China;
2. Zigong Zhaoqiang Sealing Products Industrial Co. , L td, Zigong Sichuan 643000, China;
3. Shijiazhuang Industry Pump Factory, Shijiazhuang Hebei 050100, China)
Abstract:A imed at mon p roblems for the mechanical seal of large scale desulphurization circulating pump dur
ing operation p rocess, such as vibration, axial impact and dry friction and so on, a new mechanical seal with bumper and re
duce expenditure ring was designed, which is suitable to working condition requirements and the characteristics of sealed
cavity of large scale desulphurization circulating pump. The structure design and main technical features