液化天然气超低温球阀设计研究  

Design and Research of Liquefied Natural gas Ultra-low Temperature Ball Valve

作　　者：林孙荣 LIN Sun-rong(Zhejiang Jingjia Valve Co.,LTD.Wenzhou 325000,China)

机构地区：[1]浙江精嘉阀门有限公司,浙江温州325000

出　　处：《山东工业技术》2025年第2期117-121,共5页Journal of Shandong Industrial Technology

摘　　要：随着全球能源不断升级优化,液化天然气被公认为全球最干净化石能源其应用将有大幅的增长,超低温球阀是LNG管道中重要的控制元件,其密封技术直接决定阀门是否能在LNG条件下长期使用。针对超低温球阀设计从结构设计、材料选择、低温试验等方面对超低温球阀展开研究分析,主要内容包括阀座结构设计、加长阀盖结构设计、密封材料选择、防静电设计结构、密封圈冷装配工艺、低温环境下试验等,为LNG管道阀门设计提供了参考依据。With the continuous upgrading and optimization of global energy,liquefied natural gas is recognized as the cleanest fossil energy in the world,and its application will see a significant growth.Ultralow temperature ball valve is an important control element in LNG pipeline,and its sealing technology directly determines whether the valve can be used in LNG for a long time.For cryogenic ball valve design from the aspects such as structure design,material selection and low temperature test research and analysis of cryogenic ball valve,the main contents include the seat structure design,extended bonnet structure design,the structure of the seal material selection,antistatic design,cold sealing ring assembly process,low temperature environment test,etc.,provides reference basis for LNG pipeline valve design.

关 键 词：液化天然气 超低温球阀 结构设计 低温试验 

分 类 号：TH134[机械工程—机械制造及自动化]