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[1]肖伟生,林敏,刘骁.天然气涡轮流量计的应用与故障分析[J].油气储运,2011,30(07):536-538.[doi:10.6047/j.issn.1000-8241.2011.07.017]
　Xiao Weisheng,Lin Ming,Liu Xiao.Application of turbine flowmeter and failure analysis[J].Oil & Gas Storage and Transportation,2011,30(07):536-538.[doi:10.6047/j.issn.1000-8241.2011.07.017]
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天然气涡轮流量计的应用与故障分析

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 30 期数: 2011年07期 页码: 536-538 栏目: 出版日期: 2011-07-25
Title:
Application of turbine flowmeter and failure analysis
文章编号:
1000-8241(2011)07-0536-03
作者:
肖伟生1; 林敏2; 刘骁1
1.中国石化天然气分公司，北京 100120；2.中国石化天然气分公司计量研究中心，山东济南 250101
Author(s):
Xiao Weisheng; Lin Ming; Liu Xiao
Xiao Weisheng：Sinopec Gas Company，Beijing，100120.
关键词:
天然气; 涡轮流量计; 起始流量; 安装; 故障维护
Keywords:
natural gas; turbine flowmeter; initial flow; installation; failure; maintenance
分类号:
TE977
DOI:
10.6047/j.issn.1000-8241.2011.07.017
文献标志码:
A
摘要:
基于天然气涡轮流量计的测量原理，探讨了其起始流量和安装方法。在适当的起始流量下，流量与转速呈线性关系；推荐在流量计入口和出口端各加接一定长度的直管段，若安装空间不能满足要求，可在阻流设备与流量计之间安装整流器，避免因气体流态改变影响流量计转子的转动。分析了天然气涡轮流量计在运行过程中的常见故障：天然气正常流动，流量计不计数；未作减量操作，流量显示逐渐下降；天然气不流动，流量显示不为零。针对以上故障，分别给出了相应的操作维护方法。结合应用实例，提出了天然气涡轮流量计在使用过程中的注意事项。
Abstract:
The initial flowrate of turbine flowmeter and its installation method in natural gas pipeline are discussed based on the metering principle. The flowrate has a linear relationship with rotational speed in the condition of an optimum initial flowrate. The inlet and outlet of flowmeter are recommended to elongate a straight pipe secton. If the installation space can not meet the demands，rectifier is advised to install between the resistance device and flowmeter in order to avoid the influence of gas flow pattern variation upon the running of flowmeter rotor. The common failures of turbine flowmeter happened in the course of running are analyzed. These failures are that flowmeter can not work in the case of normal flowing of gas；the display of gas flowrate is gradually decreased under the condition of normal running，the display of gas flowrate is not as“null”in the condition of not flowing. The corresponding operation and maintenance methods are provided respectively. Also，the matters needed to pay more attention in use of flowmeter are presented combined with cases.

参考文献/References:

[1] 欧洲标准委员会.PrEN 12261 Gas meters-turbine gas meters[S].Brussels：CEN，2002.
[2]吴静.国内外气体涡轮流量计的技术标准对比[J].中国计量，2009（4）：106-108.
[3]美国天然气协会.AGA No7 Measurement of fuel gas by turbine meters[S].Arlington：AGA，1981.
[4]国际标准化组织.ISO9951-1993 Measurement of gas flow in closed conduits-turbine meter[S].Geneva：ISO，1993.
[5]国际法制计量组织.OIML R137-1 Rotary piston gas meters and turbine gas meters[S].Paris：OIML，2006.
[6]日本工业化标准委员会.JIS Z8765-1980用叶轮式流量计测定流量的方法[S].Tokyo：JIS，1980.
[7]上海工业自动化仪表研究所.GB/T18940－2003 封闭管道中气体流量的测量 涡轮流量计[S].北京：中国标准出版社，2003.李长俊.天然气管道输送[M].2版.北京：石油工业出版社，2008：216-218.

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备注/Memo

作者简介：肖伟生，1982年生，2009年硕士毕业于中国石油大学（北京）油气储运工程专业，现主要从事天然气长输管道的运营管理工作。
电话：010-51587162；Email：ws_xiao@126.com??? （收稿日期：2010-12-02）

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