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。

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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。

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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.

在喷雾-填料式除氧器研究成果基础上，通过分析除氧器传热传质的特点，设计了一种新型的丝网膜式除氧器，并进行了试验研究。

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