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公开(公告)号:US09809868B2
公开(公告)日:2017-11-07
申请号:US14422929
申请日:2013-08-20
发明人: Liping Wu , Chang Shen , Yuchang Hu , Yuanwang Pan , Shaomin Pu , Yong Wang , Yangguo Xie
摘要: Provided is a straight barrel type vacuum refining device comprising a vacuum chamber and a snorkel; during the vacuum refining the snorkel is inserted into the molten steel of the steel ladle, it is characterized in that, disposing a circulating tube being on the circumference of said snorkel, and blowing argon gas into the snorkel through the nozzles on an inner wall of a circulating tube; said circulating tubes are disposed in layers, the nozzles on the circulating tubes in the same layer are individually controlled as 2-6 in one group; disposing an eccentric gas permeable brick at the bottom of said steel ladle, and blowing argon gas into the steel ladle through the eccentric gas permeable brick, driving a circulating flow molten steel between the steel ladle and the vacuum chamber by using different blowing flow rate combinations of a steel ladle bottom blowing and each individually controlled unit of the circulating tube blowing system.
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2.
公开(公告)号:US20150240323A1
公开(公告)日:2015-08-27
申请号:US14422929
申请日:2013-08-20
发明人: Liping Wu , Chang Shen , Yuchang Hu , Yuanwang Pan , Shaomin Pu , Yong Wang , Yangguo Xie
摘要: Provided is a straight barrel type vacuum refining device comprising a vacuum chamber and a snorkel; during the vacuum refining the snorkel is inserted into the molten steel of the steel ladle, it is characterized in that, disposing a circulating tube being on the circumference of said snorkel, and blowing argon gas into the snorkel through the nozzles on an inner wall of a circulating tube; said circulating tubes are disposed in layers, the nozzles on the circulating tubes in the same layer are individually controlled as 2-6 in one group; disposing an eccentric gas permeable brick at the bottom of said steel ladle, and blowing argon gas into the steel ladle through the eccentric gas permeable brick, driving a circulating flow molten steel between the steel ladle and the vacuum chamber by using different blowing flow rate combinations of a steel ladle bottom blowing and each individually controlled unit of the circulating tube blowing system.
摘要翻译: 提供一种直筒式真空精炼装置,其包括真空室和通气管; 在真空精炼期间,将通气管插入钢水包的钢水中,其特征在于,设置在所述通气管的圆周上的循环管,并且通过所述喷嘴在内壁上的喷嘴将氩气吹入所述通气管 循环管; 所述循环管分层设置,同一层中的循环管上的喷嘴被单独控制为2-6组; 在所述钢包的底部设置偏心透气砖,并通过偏心透气砖将氩气吹入钢包中,通过使用不同的吹送流量组合驱动钢包和真空室之间的循环流钢水 的钢包底吹和循环吹管系统的每个独立控制单元。
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