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[1]商同林,张树华.旋转容积式流量计在天然气计量中的应用[J].油气储运,2011,30(01):63-066.[doi:10.6047/j.issn.1000-8241.2011.01.017]
　Shang Tonglin and Zhang Shuhua.The application of rotational positive displacement flowmeter in natural gas metering[J].Oil & Gas Storage and Transportation,2011,30(01):63-066.[doi:10.6047/j.issn.1000-8241.2011.01.017]
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旋转容积式流量计在天然气计量中的应用

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 30 期数: 2011年01期 页码: 63-066 栏目: 出版日期: 2011-01-25
Title:
The application of rotational positive displacement flowmeter in natural gas metering
文章编号:
1000-8241（2011）01-0063-04
作者:
商同林; 张树华
中国石化胜利油田分公司河口采油厂，山东东营 257200
Author(s):
Shang Tonglin and Zhang Shuhua
Shang Tonglin：HeKou Oil Production Plant of Shengli Oilfield Company，Sinopec，Dongying，Shandong，257200.
关键词:
旋转容积式流量计; 天然气; 计量; 原理; 技术要求; 流量; 计算; 不确定度
Keywords:
rotational positive displacement flowmeter; natural gas; metering; principle; technical requirement; flowrate; calculation; uncertainty
分类号:
TE89
DOI:
10.6047/j.issn.1000-8241.2011.01.017
文献标志码:
A
摘要:
在国内的天然气贸易计量中，广泛使用旋转容积式流量计。基于测量原理，给出了在操作条件下，计量流量介于分界流量 qt 和最大流量 qmax 之间，流量计的最大允许误差，以及分界流量 qt 与流量计量程比的对应关系。基于相关国家标准，提出了流量计在外观、防腐、防爆、检验、配置等方面的技术要求，论述了流量计的使用环境、安装要求、相关配置、投运流程及维护和检定程序，罗列了体积流量、质量流量和能量流量的计算方法，以及各种流量和相关参数测量不确定度的估算方法。对如何提高天然气计量的准确性和可靠性进行了有益的探讨。
Abstract:

Rotational positive displacement flowmeter is widely used in domestic natural gas trade. The authors consider that based on the measurement principle，the metered flowrate in operation condition is between the transitional flowrate qt and the maximum flowrate qmax. In this paper，the maximum allowed error in flowmeter and the corresponding relationship between the transitional flowrate and the range are analyzed. In accordance with relevant national standards，the technical requirements on flowmeter in appearance，anticorrosion，anti-explosion，checking and configuration are presented. Besides，the paper describes the operation condition，installation requirement，relevant configuration，start-up procedure and maintenance and calibration regulation，and provides the calculation methods about volume flowrate，mass flowrate and energy flowrate. Also，it explains the flowrates and the estimation method of relevant parameters’ uncertainty. The topic about how to enhance the accuracy and stability of natural gas metering is also discussed.

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参考文献/References:

[1] 黄和，张福元，游明定，等.GB/T18603－2001 天然气计量系统技术要求[S].北京：中国标准化出版社，2001.
[2]郭建堂，杨保祥，陈在学，等.GB3836－2000 爆炸性气体环境用电气设备[S].北京：中国标准化出版社，2000.
[3]唐蒙，曾文平，迟永杰，等.GB/T 13610－2003 天然气的组成分析气相色谱法[S].北京：中国标准化出版社，2003.
[4]郭汀，方晓燕，季慧玉，等.GB4208－2008 外壳防护等级(IP代码)[S].北京：中国标准化出版社，2008.
[5]唐蒙，夏朝彬.GB/T11062－1998 天然气发热量、密度、相对密度和沃泊指数[S].北京：中国标准化出版社，1998.
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备注/Memo

作者简介：商同林，高级工程师，1965 年生，1983 年毕业于胜利石油学校油气储运专业，现主要从事采油厂的生产管理工作。
电话：0546-8665616；Email：zsh566699@sohu.com???????????????????? 收稿日期：2010-04-09

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