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回顾了RH浸渍管结构形式的发展历史。除了简述常规双圆形浸渍管结构外,还介绍了单浸渍管结构、双椭圆形浸渍管结构、多浸渍管结构等3种新型RH结构及其试验研究。比较认为,新结构RH在循环流量、流场、脱碳方面均优于或至少相当于常规RH,但是由于其它新结构的RH结构复杂,只有单浸渍管结构RH已投入工业应用。
The history of the RH dip tube structure was reviewed. In addition to the conventional double circular immersion tube structure, three kinds of new RH structures including single immersion tube structure, double elliptical immersion tube structure and multi-immersed tube structure are also introduced. It is considered that the new structure RH is superior to or at least equivalent to conventional RH in terms of circulating flow, flow field, and decarburization, but only the single immersion pipe structure RH has been put into industrial use due to the complicated RH structure of other new structures.