海洋工程工藝管道的局部焊后熱處理
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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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液化天然氣陸地處理工廠或海洋浮式平臺油氣處理模塊使用模塊化建造的理念已經較為普遍，如中俄合作的YAMALLNG項目就采用了模塊化建造。（剩余4532字）