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[1]卢连勇,张明红,王金鹿.输油管道泄压阀渗漏原因与应对措施[J].油气储运,2011,30(06):456-457.[doi:10.6047/j.issn.1000-8241.2011.06.014]
　Lu Lianyong,Zhang Minghong,Wang Jinlu.The leakage in relief valve of oil pipeline and solutions[J].Oil & Gas Storage and Transportation,2011,30(06):456-457.[doi:10.6047/j.issn.1000-8241.2011.06.014]
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输油管道泄压阀渗漏原因与应对措施

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 30 期数: 2011年06期 页码: 456-457 栏目: 出版日期: 2011-06-25
Title:
The leakage in relief valve of oil pipeline and solutions
文章编号:
1000-8241（2011）06-0456-02
作者:
卢连勇; 张明红; 王金鹿
中国石化管道储运公司南京输油处，江苏南京 210046
Author(s):
Lu Lianyong ; Zhang Minghong; Wang Jinlu
Lu Lianyong：Nanjing Department，SINOPEC Pipeline Storage and Transportation Company，Nanjing，Jiangsu，210046.
关键词:
输油管道; 泄压阀; 渗漏; 密封; 锥头; 复位; 对策
Keywords:
oil pipeline; pressure relief valve; leakage; seal; cone head; reset; solution
分类号:
TE974
DOI:
10.6047/j.issn.1000-8241.2011.06.014
文献标志码:
A
摘要:
当输油管道压力瞬时升高且超过泄压阀预先设定的压力值时，压力将通过泄压阀泄放至泄放管道或储油罐中，使输油管道得到有效保护。但是，泄压阀发生渗漏比较频繁，往往影响其功能的有
效性。通过对渗漏泄压阀进行解体观察，发现密封面损坏是其渗漏的主要原因。而导致密封面损坏的原因有3 个：弹簧刚度降低和固体颗粒卡阻造成的锥头复位不到位；密封部件因老化、被固体颗粒磨损而损坏；油品内含有微小固体颗粒，管道过滤器无法将其滤除，导致密封不严，引起渗漏。提出的应对措施包括：留足备件，及时更换；泄压阀动作后做稳压试验；在泄压阀前安装过滤器。
Abstract:
TWhen pressure of oil pipeline is increased instantaneously to exceed the safety limit preset of relief valve，the pressure will
be released into the relief pipeline or storage tank through the relief valve to protect the oil pipeline. However，the function of
relief valve is failed in a way due to frequent leakage. Observation to an unpacked relief valve revealed a phenomenon that
the sealing face of it was damaged. The origin via analysis was discovered in 3 facets as follows ：（1） the conehead of relief
valve did not move to the reset position due to the low spring rate and blocking from solid particles（ 2） failed sealing parts were
subjected to aging and erosion from solid particles and （3） the oil contained slight solid particles could not be filtered，which
resulted in failed sealing to leak. In this paper，enough spare parts preparation，hydrostatic pressure test after an operation of
relief valve and proper installation of filter were included as solutions.

参考文献/References:

[1] 张吉泉，徐毅，张建军，等. 长输管道水击泄压阀的应用[J]. 油气储运，2006，25（10）：58-61.
?[2] 刘翌燕. 先导式水击泄压阀动作原理和密封机理的分析[J].阀门，2010，39（4）：18-21.

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备注/Memo

作者简介：卢连勇，助理工程师，1983 年生，2005 年毕业于中国石油大学（华东）油气储运专业，现主要从事原油管道输送技术的相关
研究工作。电话：15950562437 ；Email：azjn@163.com???? ( 收稿日期：2011-02-22)

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