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1. 发明申请

US20130186586A1 METHOD OF CONTINUOUSLY CASTING THIN STRIP 审中-公开
标题翻译：连续铸造薄条的方法
公开(公告)号：US20130186586A1
公开(公告)日：2013-07-25
申请号：US13798881
申请日：2013-03-13
申请人： Dhiren Panda , Leigh Woolley , Neal Ross , Gary McQuillis , James D. Edwards
发明人： Dhiren Panda , Leigh Woolley , Neal Ross , Gary McQuillis , James D. Edwards
IPC分类号： B22D11/06
CPC分类号： B22D11/0697 , B22D11/002
摘要： A method of continuously casting steel including steps of forming a casting pool of molten steel comprising a carbon content of less than 0.5% by weight on casting surfaces of a pair of internally cooled casting rolls having a nip formed between them, counter rotating the casting surfaces of the casting rolls toward each other to produce a cast steel strip moving downwardly away from the nip between the casting rolls, guiding the cast strip through a first enclosure adjacent the casting rolls as the strip moves away from the casting rolls, the first enclosure having a reducing atmosphere containing carbon monoxide and optionally hydrogen of at least 0.1%, establishing the reducing atmosphere in the first enclosure to control ingress of atmospheric air so as to maintain said atmosphere with a CO to CO2 ratio of at least 1.5 during steady state operation.
摘要翻译：一种连续铸造钢的方法，包括在其间形成有辊隙的一对内部冷却的铸辊的铸造表面上形成含有小于0.5重量％的碳含量的钢水铸造池的步骤，的铸造辊朝向彼此以产生从铸辊之间的辊隙向下移动的铸钢带，当铸钢带远离铸辊移动时，通过邻近铸辊的第一外壳引导铸钢带，第一外壳具有含有至少0.1％的一氧化碳和任选的氢的还原气氛，在第一外壳中建立还原气氛以控制大气空气的进入，以便在稳态操作期间以CO至CO 2比保持至少1.5的CO气氛。

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