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[1]刘学铭,陈利琼,程绍军.PLC和色谱分析仪在天然气混气中的应用[J].油气储运,2008,27(6):55-58.[doi:10.6047/j.issn.1000-8241.2008.06.015]
　LIU Xueming,CHEN Liqiong.Application of PLC and Chromatograph in Natural Gas Mixing[J].Oil & Gas Storage and Transportation,2008,27(6):55-58.[doi:10.6047/j.issn.1000-8241.2008.06.015]
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PLC和色谱分析仪在天然气混气中的应用

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 27 期数: 2008年6期 页码: 55-58 栏目: 出版日期: 1900-01-01
Title:
Application of PLC and Chromatograph in Natural Gas Mixing
作者:
刘学铭1;  陈利琼2;  程绍军3
1. 中海石油管道输气有限公司;
2. 西南石油大学;
3. 长庆油田分公司
Author(s):
LIU Xueming1;  CHEN Liqiong2
关键词:
PLC; 色谱分析仪; 电动调压阀; 混气; 流量调节
Keywords:
PLC; chromatograph; motor-driven control valve; mixing; flow regulation
DOI:
10.6047/j.issn.1000-8241.2008.06.015
摘要:
介绍了PLC(可编程逻辑控制器)将根据色谱仪提供的多路天然气热值、组分、密度等参数,以及人为设定参数(热值等)计算出的两路甚至多路的流量比值,应用于电动调节阀的各个管路流量及阀后压力的实时测控的过程中,可保证其动态稳定于设定值范围内,实现了通过控制流量和压力达到动态实时混气的目的。
Abstract:
The paper introduces how PLC(programmable logic controller)is used in a real-time monitoring process of piping flowrate and valve-back pressure of motor-driven control valves to dynamically keep them within the set value,based on 2-way or multi-way flowrate ratios calculated from multi-way gas’s thermal values,composition,density and specific gravity,and artificial parameters(thermal value and so on) provided by means of chromatograph.Through flowrate and pressure control,real-time and/or dynamic gas mixing can be achieved.

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备注/Memo

收稿日期:2007-6-18。
作者简介:刘学铭,578105,海南省海口市观海路98号中海石油会馆;电话;13379979988.工程师,1977年生,2002年毕业于西南石油学院油气储运专业,现任中海石油管道输气有限公司海口站副站长。

更新日期/Last Update: 1900-01-01