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    • 5. 发明授权
    • Means and method for determining the degree of wear of a gas injection
device
    • 用于确定气体注入装置的磨损程度的手段和方法
    • US5202079A
    • 1993-04-13
    • US303655
    • 1989-01-30
    • Manfred WinkelmannHans RothfussHerbert Metzger
    • Manfred WinkelmannHans RothfussHerbert Metzger
    • F23D14/48B22D1/00C21C5/48C21C7/072
    • B22D1/005
    • A refractory gas permeable injection device for introducing gas into a metallurgical vessel containing molten metal has a surface to be exposed to and progressively worn away by the molten metal during operation of the vessel. The device includes an outer body and an inner body within the outer body, at least the inner body being formed of a fireproof refractory material. A gas permeable space extends through the device in the direction of wear thereof, and the space has a plurality of different geometric shapes spaced in such direction. Upon the metallurgical vessel being emptied, and with the device still relatively hot, gas is caused to flow through the space such that the gas will create on the surface an optically recognizable image in a particular geometric shape as a function of the relative degree of wear of the device.
    • 用于将气体引入含有熔融金属的冶金容器中的难熔气体渗透注入装置具有在容器操作期间暴露于熔融金属并逐渐被磨损的表面。 该装置包括在外体内的外体和内体,至少内体由耐火耐火材料形成。 气体可渗透的空间沿其穿过的方向延伸穿过该装置,并且该空间具有在该方向上间隔开的多个不同的几何形状。 当冶金容器被排空时,并且在装置仍然相对较热的情况下,使气体流过空间,使得气体将在表面上形成具有特定几何形状的可光学识别的图像,作为相对磨损程度的函数 的设备。
    • 8. 发明授权
    • Safety-type gas washing sink having improved heat dissipation properties
    • 具有改善散热性能的安全型气体清洗槽
    • US4971295A
    • 1990-11-20
    • US413672
    • 1989-09-28
    • Hans RothfussRaimund BrucknerManfred Winkelmann
    • Hans RothfussRaimund BrucknerManfred Winkelmann
    • B22D41/00B22D1/00F27D3/16
    • B22D1/005
    • A safety-type gas washing sink for use in introducing gas through a metallurgical vessel and molten metal therein includes a refractory wearable brick portion defining a first sink end to be exposed to the molten metal and becoming worn during use, such wearable brick portion having therethrough gas flow paths for the passage of gas into the molten metal, and a refractory safety brick portion defining a second sink end to be directed away from the molten metal and through which the gas can be delivered to the gas flow paths in the wearable sink portion. The safety brick portion has a higher thermal conductivity than the wearable brick portion, and the gas flow paths continue into the safety brick portion. Thus, any molten metal that breaks through the wearable brick portion to the safety brick portion will be caused to solidify at the safety brick portion due to rapid dissipation of heat thereby.
    • 用于通过冶金容器和熔融金属引入气体的安全型气体清洗槽包括难熔耐磨砖部分,其限定出暴露于熔融金属的第一沉头端并在使用过程中磨损,这种耐磨砖部分具有穿过 用于使气体进入熔融金属的气体流动路径,以及限定第二沉没端的耐火安全砖部分,其被引导离开熔融金属,并且气体可以被输送到可穿戴的水槽部分中的气体流动路径 。 安全砖部具有比耐磨砖部分更高的热导率,并且气体流动路径继续进入安全砖部分。 因此,由于热量的快速消散,使得穿透耐磨砖部分到安全砖部分的任何熔融金属将在安全砖部分处固化。