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    • 5. 发明授权
    • Refractory immersion spout
    • 耐火浸渍喷口
    • US4423833A
    • 1984-01-03
    • US337273
    • 1982-01-05
    • Werner Richter
    • Werner Richter
    • C04B35/101B22D11/10B22D41/50B32B18/00B22D41/08
    • B22D41/505
    • A refractory immersion spout includes a spout member having an upper portion and a lower portion. The spout member has a pouring channel and outlet openings extending laterally from the pouring channel. A refractory sleeve covers the outer surface of at least a portion of the lower portion of the spout member. The spout member comprises an extrusion product resulting from the extrusion of a material including 30-75% alumina and 10-30% carbon, with the carbon being aligned longitudinally of the spout member as a result of the extrusion. The sleeve comprises an isostatically compressed member formed of a highly refractory material. The thickness of the lower portion of the spout member is less than the thickness of the upper portion of the spout member, such reduction in thickness resulting from a reduction of the outer size of the spout member. The sleeve is cemented onto the outer surface of the lower portion of the spout member by an alumina-rich refractory cement.
    • 耐火浸渍喷嘴包括具有上部和下部的喷嘴构件。 喷口构件具有从浇注通道横向延伸的倾倒通道和出口。 耐火套筒覆盖喷嘴构件的下部的至少一部分的外表面。 喷嘴构件包括由挤出包含30-75%氧化铝和10-30%碳的材料产生的挤压产品,其中碳作为挤出的结果由喷嘴构件的纵向排列。 套筒包括由高耐火材料形成的等静压压件。 喷嘴构件的下部的厚度小于喷口构件的上部的厚度,这由于喷口构件的外部尺寸的减小而导致厚度的减小。 套筒通过富含氧化铝的耐火水泥胶结到喷口构件的下部的外表面上。