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[1]赵来会.自动回流阀在输油泵保护中的应用[J].油气储运,2011,30(06):417-418.[doi:10.6047/j.issn.1000-8241.2011.06.003]
　Zhao Laihui.Application of automatic recirculation valve in pump system protection[J].Oil & Gas Storage and Transportation,2011,30(06):417-418.[doi:10.6047/j.issn.1000-8241.2011.06.003]
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自动回流阀在输油泵保护中的应用

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 30 期数: 2011年06期 页码: 417-418 栏目: 出版日期: 2011-06-25
Title:
Application of automatic recirculation valve in pump system protection
文章编号:
1000-8241(2011)06-0417-02
作者:
赵来会
中国石油天然气管道工程有限公司，河北廊坊 065000
Author(s):
Zhao Laihui
Zhao Laihui：China Petroleum Pipeline Engineering Corporation，Langfang，Hebei，065000.
关键词:
自动回流阀; 气蚀; 输油泵; 离心泵; 节流减压阀
Keywords:
automatic recirculation valve; cavitation erosion; pump; centrifugal pump; pressure release valve
分类号:
TE978
DOI:
10.6047/j.issn.1000-8241.2011.06.003
文献标志码:
A
摘要:
自动回流阀（泵保护阀）结构简单，综合一体，可以改善离心泵的汽蚀余量（NPSH），避免泵中的气蚀损害。在安装有自动回流阀的泵机组中，即使泵出口阀门由于误操作等原因导致完全关闭，
最小流量也可以通过旁通路进行自动循环，泵出口压力可以通过旁通路中的多级节流减压阀进行调节，减小由此带来的设备振动、阀门锤击等不利影响，避免损坏离心泵和阀门，从而起到保护离心泵、保证系统安全的作用。在莫桑比克贝拉石油成品油库工程设计中，将自动回流阀应用于工艺泵系统，实践证明：该阀投产运行情况良好，各项运行参数均达到预期指标，得到业主运行人员的一致认可。

Abstract:
Automatic recirculation valve，a kind of pump system protection valve，has a simple integrated structure，which can improve the
value of NPSH of centrifugal pump to avoid the cavitation erosion in pump. Even if the outlet valve is closed by misoperation，
the minimum flow in pump with automatic recirculation valve can recycle in bypass pipe and the outlet pressure of pump can be
reduced by integrated multistage pressure release valve in bypass pipe. Some negative influences like vibration and valve surge
can be reduced. And centrifugal pump and valve damage can be avoided. As a result，the centrifugal pump is protected and the
safety of system is guaranteed. Automatic recirculation valves have been successfully applied in process pump system in the
engineering design of refined oil tankfarm in Beira，Mozambique. Facts have proved that all the design guarantee figures have
been reached since the valve has been put into production. And it has also obtained the approval of the owner.

参考文献/References:

[1] 钱锡俊，陈弘. 泵和压缩机[M]. 东营：石油大学出版社，2005 ：15-17.
[2] 叶德丰，韩学承，严大凡，等.GB50253－2003 输油管道工程设计规范[S]. 北京：中国计划出版社，2003 ：42-44.
[3] 杨莜蘅. 输油管道设计与管理[M]. 东营：石油大学出版社，2006 ：34-50.

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备注/Memo

作者简介：赵来会，工程师，1977 年生，2000 年毕业于西南石油学院油气储运专业，现主要从事油气储运设计工作。
电话：0316-2074541 ；Email：zhaolaihui@cppe.com.cn?（收稿日期：2010-10-08）

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