RETROFITTING OF AUXILIARY VALVE FOR SOLENOID BLOWOUT VALVES

LUO Sheng

doi:10.19666/j.rlfd.2004.05.026

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RETROFITTING OF AUXILIARY VALVE FOR SOLENOID BLOWOUT VALVES

Thermal Power Generation Issue 5, Pages: 79-80(2004)

更新时间：2025-09-28

- RETROFITTING OF AUXILIARY VALVE FOR SOLENOID BLOWOUT VALVES
- 作者机构：
  
  珠江电厂,广东,广州,511457
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2004.05.026
  CLC： TK223.62
- Published：2004
- 稿件说明：
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LUO Sheng. RETROFITTING OF AUXILIARY VALVE FOR SOLENOID BLOWOUT VALVES[J]. Thermal Power Generation, 2004, (5): 79-80.
DOI：

LUO Sheng. RETROFITTING OF AUXILIARY VALVE FOR SOLENOID BLOWOUT VALVES[J]. Thermal Power Generation, 2004, (5): 79-80. DOI： 10.19666/j.rlfd.2004.05.026.

摘要

通过对电磁泄放阀辅阀泄漏原因的分析

提出了相应的改进措施 :(1)改进辅助阀瓣结构 ;(2 )改动辅阀位置 ;(3)改变试验方法 ;(4 )加强锅炉起动时的检查。珠江电厂 3号、4号炉电磁泄放阀采取这些措施后已运行近两年

效果良好

辅阀未再泄漏

确保了机组的安全运行。

Abstract

Through analysing the causes leading to auxiliary valve leakage for the solenoid blowout valves

corresponding retrofitting measures have been put forward

The said measures are as follows: (1) retrofitting clack structure of the auxiliary valve; (2) changing position of the auxiliary valve;(3) altering the test method; (4) strengthening inspection in starting up of the boiler. The abovementioned measures have been taken for solenoid blowout valves on boiler NO.3 and NO.4 in Zhujiang Power Co Ltd. The results of operation in more than one year show that the effectiveness of retrofitling is good

leakage of the auxiliary valve having not occurred again

ensuring safe operation of units.

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