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1. 发明授权

US4636249A Treatment of molten metal 失效
标题翻译：处理熔融金属
公开(公告)号：US4636249A
公开(公告)日：1987-01-13
申请号：US811994
申请日：1985-12-23
申请人： Arthur Laycock , Michael J. Harris , Mark A. Broxholme
发明人： Arthur Laycock , Michael J. Harris , Mark A. Broxholme
IPC分类号： B22D1/00 , C21C7/00 , C21C7/02
CPC分类号： B22D1/005 , C21C7/0037
摘要： The invention is directed to a method of and apparatus for, introducing into a bath of molten metal (e.g. ferrous metal) contained in a vessel an alloying component (e.g. lead) or a reagent. The method includes the steps of connecting a plurality of plugs or nozzles located in the bottom and/or sides of the vessel to supplies of gas (e.g. argon) under pressure, and causing gas to be introduced simultaneously through the plugs or nozzles to produce individual gas flows which pass upwardly through the metal bath to create areas of turbulence on the bath surface. The areas of turbulence interact to produce on the bath surface a relatively quiescent region and it is into this relatively quiescent region that the required quantity of alloying component or reagent is added.
摘要翻译：本发明涉及一种用于将包含在容器中的熔融金属（例如黑色金属）的浴中的合金成分（例如铅）或试剂引入的方法和装置。该方法包括以下步骤：将位于容器的底部和/或侧面的多个塞子或喷嘴连接到压力下供应气体（例如氩气），并且通过塞子或喷嘴同时引入气体以产生个体气流向上通过金属浴，以在浴表面上产生湍流区域。湍流区域相互作用以在浴表面上产生相对静止的区域，并且进入该相对静止的区域中，添加所需量的合金成分或试剂。

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