超大流量LNG泵密封的设计与应用  

Design and application for the sealing of mass flow LNG pump

作　　者：陈峰[1] 张炜[1] 王循明[1,2] 

机构地区：[1]浙江机电职业技术学院机械工程系,杭州310053 [2]浙江大学化工机械研究所,杭州310027

出　　处：《机械设计与制造》2011年第5期74-76,共3页Machinery Design & Manufacture

基　　金：浙江省科技厅面上攻关项目(2008C21022;2009C31092);浙江省教育厅科研计划项目(ZC200803691)

摘　　要：天然气、液化气(LNG)因其绿色、环保及成本优势将成为能源重要发展方向,随着市场对LNG需求的不断增加,泵送深冷流体技术,已成为国内外低温学领域研究的重要课题。而随着LNG低温泵在石油化工、汽车、电力行业越来越广泛的应用,用于其上的低温密封也愈来愈引起人们的重视,低温密封比起普通的密封具有自己独特的要求,主要介绍了低温泵的密封类型,针对超大流量LNG泵的低温密封型式进行简要的说明,并具体给出超大流量LNG泵所采用的密封设计与应用。Because of its green,environmental conservation and low cost,LNG will be an important direction for energy development.With the market increasing demand for LNG,the technology of low-temperature pump has become an important research subject in the field of cryogenics at home and abroad.With the LNG pump widely application in the petrochemical、automotive、power industry,its low-temperature sealing also attracts more attention.Low-temperature sealing has its own unique requirements comparing with common sealing,the types of low-temperature pump sealing is mainly Introduced here,in which a brief description is given on specifically for large flow LNG pumps sealed type,design and application for specific sealing that used in LNG pump is described as well.

关 键 词：液化天然气泵 LNG泵 机械密封 干气密封 设计 

分 类 号：TH12[机械工程—机械设计及理论] TH38