海洋工程工艺管道的局部焊后热处理

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Abstract： Briefly introduces the working conditions of common process piping that require heat treatment in the construction processofLNG plants，and introduces the heat treatment requirements for processpiping，fitings，and piping with atachments.Meanwhile，based on the standardsof heat treatment，the heat treatment temperature Zones for diferent connection forms of process piping weld joints are given and used in international projects， providing construction experience for similar projects.

Keywords：process piping;heat treatment thickness;temperature zones

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液化天然气陆地处理工厂或海洋浮式平台油气处理模块使用模块化建造的理念已经较为普遍，如中俄合作的YAMALLNG项目就采用了模块化建造。（剩余4532字）