442
石油与天然气化工
CHEMICAL ENGINEERING OF OIL & GAS
组合涡轮气体流量标准装置计量性能测试与应用
何飞'陈琦2王辉12丘逢春1-2
(1.中国石油西南油气田公司天然气研究院2.国家石油天然气大流量计量站成都分站）
2014
摘要介绍了国家石油天然气大流量计量站成都分站新建的组合涡轮气体流量标准装置，包括其工艺流程、计量性能测试要求及测试结果。该标准装置可用于天然气流量计实流检定，保证现场天然气贸易计量的准确性和可靠性。通过分析测试数据，证实该标准测量结果不确定度优于
0.33%，测量结果的重复性、稳定性均满足气体流量工作计量器具的检定要求。
关键词涡轮气体流量标准装置实流检定重复性稳定性复现性中图分类号：TE863.1文献标志码：A
D0I:10.3969/j.issn.1007-3426.2014.04.021
Metering performance testing and application of gas flow standard
facilities based on combined turbine flow meters
He Fei', Chen Qi'-2,Wang Huil , Qiu Fengchun'
(l.Research Institute of Natural Gas Technology,PetroChina Southwest Oil and Gasfield Company
Chengdu 610213,Sichuan, China; 2.Chengdu Verification Branch of National Oil and Gas
Large Flow Rate Measurement Station,Chengdu610213,Sichuan,China)
Abstract: This paper introduces a set of gas flow standard facilities based on combined turbine flow meters , which is newly built by Chengdu Verification Branch of National Oil and Gas Large Flow Rate Measurement Station , including the process of the standard facilities , testing require. ments and results of the metering performance . The standard facilities are used for actual flow verification of the natural gas flow meter and guaranteeing the accuracy and reliability of onsite trade measurement of natural gas . By analyzing the testing data , it has confirmed that the uncer. tainty of standard test results is better than O .33% . Both the repeatability and stability of test re. sults meet the verification requirements for gas flow measuring instruments -
Key words: turbine, gas flow standard facilities , actual gas flow verification , repeatability stability，reproducibility
天然气流量量传溯源是将基本物理量国家基准值逐级传递到现场流量计量器具的必要手段，是保证现场天然气贸易计量准确、可靠的关键。为实现国内天然气流量量值统一、国际天然气流量检测数据互认，满足国际国内天然气贸易计量的需求，国家石油天然气大流量计量站成都分站（以下简称成
都分站)经国家质量监督检验检疫总局授权，在全国范围内开展了中低压天然气流量计的量值传递工作」，其新建的组合涡轮气体流量标准装置（以下简称标准装置）于2012年6月建成，标准装置的流量范围为16～8000m/h，设计压力为1.3～6.0 MPa。
作者简介：何飞（1980一），男，工程师，2008年7月毕业于西南石油大学测试计量技术与仪器专业，现在中国石油天然气股份有限公司西南油气田公司天然气研究院从事天然气流量计量工作。地址：（610213)四川成都华阳天研路218号天然气研究院。电话：028-85604672。E-mail:he_fe@petrochina.com.cn