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介绍了合成氨装置脱碳系统中水力透平入口闸阀的损坏情况。从焊接性能分析、焊接材料选用及焊接操作工艺等方面 ,对大型进口闸阀的补焊进行了较详细的论述
Describes the damage of the hydraulic turbine inlet gate valve in the decarbonization system of ammonia plant. From the welding performance analysis, selection of welding materials and welding operation process, the welding of large imported gate valve were discussed in more detail