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1. 发明公开

EP0094241A1 Method of minimizing slag carryover 失效
标题翻译： Verfahren zum Verringern des Mitlaufens von Schlacke。
公开(公告)号：EP0094241A1
公开(公告)日：1983-11-16
申请号：EP83302619.8
申请日：1983-05-10
申请人： USS ENGINEERS AND CONSULTANTS, INC.
发明人： Bassett, James Guy, Jr. , Keenan, William Mellon , McGarry, Sheldon
IPC分类号： C21C5/46
CPC分类号： C21C5/4653
摘要： he method relates to minimizing slag carryover when draining molten metal from a furnace. A polyhedral-shaped body (22) having density intermediate that of the slag (20) and metal (18) is thrown onto the surface of the slag within a restricted area over the furnace taphole (14). The body will float at the slag-metal interface, and tend to lodge with one of its corners projecting into the taphole as the final portion of remaining metal drains out of the furnace. The shape of the body and its dimensions are selected so as to only partially block the taphole opening, causing flaring of the stream so as to signal a furnace operator of the impending flow of slag from the furnace. The operator then shuts off flow to prevent carryover of slag onto the molten metal already tapped. Since only the edges of the body contact the taphole, of the body does not become welded to the wall of the taphole and therefore is easily dislodged without loss of time between heats.
摘要翻译：该方法涉及在从熔炉中排出熔融金属时最小化渣渣。在炉出口（14）之上的限制区域内，将具有与炉渣（20）和金属（18）密度中等密度的多面体形体（22）抛到炉渣的表面上。身体会漂浮在渣 - 金属界面处，并且倾向于将其中一个拐角突出到出口处，因为残余金属的最后部分排出炉外。主体的形状及其尺寸被选择为仅部分地阻挡出口开口，引起流的扩张，从而向炉操作者发出即将从炉中流出的炉渣。然后，操作者关闭流动，以防止渣块遗留在已经敲击的熔融金属上。由于只有机体的边缘与出铁口相接触，所以机体的焊接不会与出铁口的壁焊接，因此容易脱落而不会在热量之间失去时间。

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