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    • 22. 发明授权
    • Steel ladle lip closure apparatus
    • 钢杓唇封闭装置
    • US5118085A
    • 1992-06-02
    • US678233
    • 1991-04-01
    • Gary L. ForteWayne Miller
    • Gary L. ForteWayne Miller
    • B22D41/00
    • B22D41/00
    • A lip closure apparatus includes a plurality of arcuate lip closure segments interfitted into a continuous ring and disposed on the top end of a stack of refractory bricks mounted in a metallurgical vessel. At least one metal reinforcement grid is disposed within each lip closure segment at a predetermined angle with respect to the normal fracture planes of each closure segment to resist fracture of the lip closure segment. Preferably, the grid is oriented substantially perpendicular to the normal fracture planes of the lip closure segments. A quantity of crushable material is disposed between the outer side surface of each lip closure segment and a flange extending at an angle from the side wall over the open top end of the vessel to maintain the lip closure segments in a tight fit on top of the lining of refractory bricks.
    • 唇形封闭装置包括多个弧形的唇形封闭件,它们配合成连续的环并设置在安装在冶金容器中的耐火砖堆的顶端。 至少一个金属增强网格相对于每个封闭段的正常断裂平面以预定角度设置在每个唇缘封闭段内,以抵抗唇缘封闭段的断裂。 优选地,网格定向成基本上垂直于唇缘封闭段的正常断裂平面。 一些可压碎材料设置在每个唇缘封闭段的外侧表面和从容器开口顶端之间的侧壁以一定角度延伸的凸缘上,以将唇形封闭件保持在紧密配合的顶部 耐火砖内衬。