Due to the large size of the deaerator water tank of a nuclear power station, in-situ welding is required for 2 ring butt welds, causing difficulties in welding and heat treatment.
某核电站除氧器水箱尺寸较大，其2条环焊缝需在现场拼焊，焊接和热处理难度很大。
2
Based on the cold experimentation on rotating-film tube that principal deaerating component of this deaerator, heat and mass transfer characteristics was analyzed.
对其主要除氧元件起膜管进行了冷态试验研究，根据试验情况分析了其传热传质特点。
3
Based on the result of spray tray deaerator research, the netted film type deaerator was designed by analyzing heat and mass transfer characteristics of deaerator, and experimental research was done.