摘要
液化天然气在输送过程中会将低温状态传递到管壁上,导致管道冷缩产生位移应力,需要在栈桥上设置补偿平台以解决此类问题。而建设一个补偿平台需要大量资源,投资至少在千万元以上,目前国内暂没有针对补偿平台跨距的系统性分析成果。本文通过理论分析和有限元软件模拟,将栈桥划分为多个大跨距补偿平台的设计方案,比较分析得出补偿平台最大跨距的可行性方案。该研究成果将能一定程度上填补大跨距补偿平台实现领域的空白,为后续液化天然气长栈桥输送设计提供参考。
During the transportation process of liquefied natural gas,the low-temperature state will be transmitted to the pipe wall,causing displacement stress in the pipeline due to cold shrinkage.Compensation platforms need to be installed on the trestle to solve such problems.Building a compensation platform requires a large amount of resources with an investment of at least ten million yuan.Currently,there is no systematic analysis results on the span of compensation platforms in China.This article used theoretical analysis and finite element software simulation to divide the bridge into multiple design schemes for large span compensation platforms,and compared and analyzed the feasibility of obtaining the maximum span of the compensation platform.This research achievement would to some extent fill the gap in the field of large span compensation platform implementation and provide reference for the subsequent design of LNG long trestle transportation.
作者
闫青
张云峰
赵敏伟
宋宁
高辉
周静
YAN Qing;ZHANG Yunfeng;ZHAO Minwei;SONG Ning;GAO Hui;ZHOU Jing(China Tianchen Engineering Corporation,Tianjin 300400,China;Caofeidian Suntien Liquified Natural Gas Co.,Ltd.,Tangshan 063200,Hebei,China)
出处
《化工进展》
EI
CAS
CSCD
北大核心
2023年第S01期158-165,共8页
Chemical Industry and Engineering Progress
关键词
液化天然气
位移应力
补偿平台
栈桥
大跨距
LNG
displacement stress
compensate for the platform
trestle
large span
作者简介
第一作者:闫青(1982-),男,高级工程师,研究方向为天然气化工。E-mail:yanqing@cntcc.cn;通信作者:赵敏伟,正高级工程师,研究方向为化工过程与化工产品规划设计。E-mial:aa-zmw@cntcc.cn。
