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    • 3. 发明授权
    • Heat treatment apparatus
    • 热处理设备
    • US5733116A
    • 1998-03-31
    • US770169
    • 1996-12-19
    • Yoshiyuki TannoHiroshi ShimuraSigemi Yamaguchi
    • Yoshiyuki TannoHiroshi ShimuraSigemi Yamaguchi
    • C23C8/28C21D1/74C21D9/00F27B9/04F27B9/22F27D1/18F27D3/04F27D99/00F27D3/00
    • F27D99/0073C21D1/74C21D9/0006F27B9/045F27B9/22F27D1/1858F27D3/04
    • A heat treatment apparatus having a heat treatment furnace into which a hydrocarbon gas and an oxidization gas are introduced, wherein an outlet opening of a valve through which a pusher for pushing a work to be heat treated in the heat treatment furnace is movable is hermetically connected to a pusher insertion port formed on a wall of the heat treatment furnace, and a seal box is connected hermetically to an inlet opening of the valve, the pusher being movable hermetically through the seal box. An elevator door for opening and closing the heat treatment furnace has a guide pin projected therefrom, and a jam having an upper hook surface for receiving the guide pin thereon, the jam being pivotally supported so that when the elevator door is lowered, the elevator door is moved by the jam toward a seal surface of the opening of the heat treatment furnace. A guide groove for guiding a pin of an elevator door in the vertical direction is curved at the lower portion thereof toward a seal surface of the opening of the heat treatment furnace. A seal packing is provided on a seal surface of an opening of the heat treatment furnace, and a cooling pipe is provided near the seal packing.
    • 一种热处理装置,其具有引入了烃气体和氧化气体的热处理炉,其中,用于推动热处理炉中待热处理的工件的推动器可移动的阀的出口开口气密地连接 涉及形成在所述热处理炉的壁上的推动器插入口,并且密封箱密封地连接到所述阀的入口,所述推动器可气密地移动通过所述密封箱。 用于打开和关闭热处理炉的电梯门具有从其突出的引导销,并且具有用于在其上容纳引导销的上钩表面的卡纸,卡盘枢转地支撑,使得当电梯门下降时,电梯门 通过卡纸移动到热处理炉的开口的密封表面。 用于引导电梯门的销在垂直方向上的引导槽在其下部弯曲到热处理炉的开口的密封表面。 在热处理炉的开口的密封面上设置有密封填料,在密封垫附近设有冷却管。