长输天然气管线气液联动阀参数设置研究  

Set of Long Distance Natural Gas Pipeline Pneumatic Valve Parameters

作　　者：田园[1] 杨蔺 吴睿[1] 郑鹏宇[1] 杨帆[1] 

机构地区：[1]重庆科技学院石油工程学院油气储运系,重庆401331 [2]重庆凯源石油天然气有限责任公司,重庆401147

出　　处：《广州化工》2014年第12期44-46,共3页GuangZhou Chemical Industry

基　　金：重庆市科委自然科学基金计划资助项目(编号:cstcjjA90020)

摘　　要：长输管线破管泄漏是一种极端工况,发生频度非常低,现场采集的漏失实际数据少且漏失点随机性高,很难作为基础数据进行规律性分析研究,同时对长输管线破管漏失实验研究难于实施。因此本文基于气动力学理论建立泄漏数学模型,在此基础上应用气体管线数值计算模拟方法,对不同压力,流量等参数条件下,破管后对上游起点阀室压力下降速率变化规律进行深入分析研究,进行数值计算模拟,对计算结果进行多元拟合,建立拟合公式为气液联动阀进行正确参数设置提供理论指导依据。The broken pipe leakage in long distance pipeline was an extreme condition , the frequency of occurrence was very low, which resulted in little actual data collected in the field and high dropout point of randomness , which was difficult to use them as the basis for data analysis of regularity , while the long -distance experimental study of pipeline leakage was difficult to implement.Therefore, based on the kinetic theory of gas leaks mathematical model was established, based on the application of this gas pipeline numerical simulation method under different pressure , flow and other parameters , the broken pipe after the start of the upstream valve chamber pressure drop rate variation in depth analysis of performed numerical simulations of multi -fit calculation results , and a valve fitting formula for the gas -liquid interaction parameter settings was established correctly to provide a theoretical basis for guiding.

关 键 词：气液联动 漏失模型 破管检测 管线仿真 多元拟合 

分 类 号：TE832[石油与天然气工程—油气储运工程]