组合式密封夹具的设计与应用

Design and application of complex seal holder in oil and gas storage and transportation

为解决油气储运中出现的带压泄漏问题,介绍了用常规夹具不能解决的特殊部位的带压密封技术。以法兰与直管段间的泄漏为例,具体介绍了组合式夹具的设计准则、实际设计和强度计算,以及密封胶的合理选择和现场实施带压密封技术的方法,指出了组合式夹具带压堵漏技术在石油天然气储运行业中的推广应用,可取得很好的经济、社会和环保效益。

Necessity of stopping a leak with pressure is analyzed. Complex seal holder is introduced to overcome the disadvantages of common seal holders in some special cases. Complex seal holder's design principle, and intensity calculation are presented. Measures to apply pressure seal and selection of sealant are analyzed. The authors suggest application of this technology in oil and gas distribution sectors can provide great benefits.