制冷设备中Q345R制氨贮存容器须焊后热处理的原因探讨

Discussion on The Causes of Q345R Ammonia Storage Containers to Be Postweld Heat Treatment in Refrigeration Equipment

分析了制冷设备中Q345R制氨贮存容器须焊后热处理的原因,并提出了防止液氨压力容器应力腐蚀开裂的措施。

In this paper the reason of heat treatment after welding for Q345R which was used of ammonia storage container for refrigeration equipments was analyzed,and some measures which can avoid crack for stress corrosion for the pressure vessel of liquid ammonia were provided.