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    • 1. 发明申请
    • IMMERSION NOZZLE REPLACEMENT APPARATUS
    • 倾斜喷嘴替换装置
    • WO1997028917A1
    • 1997-08-14
    • PCT/JP1996000240
    • 1996-02-06
    • SHINAGAWA REFRACTORIES CO., LTD.YOSHINO, RyoichiYAMAMOTO, KenjiTANIGUCHI, Tadao
    • SHINAGAWA REFRACTORIES CO., LTD.
    • B22D41/56
    • B22D41/56Y10S266/01
    • When a conventional replacement apparatus is used, 60-90 seconds are required to carry out a replacement operation, so that a molten metal surface in a continuous casting mold is solidified during replacement to cause a joint portion of the molten metal to turn into scrap. The invention apparatus is provided with a slide valve unit (6) adapted to control a discharge rate of a molten metal flowing out from a molten metal container, a retainer cylinder (21) for an immersion nozzle (9) which is supported in a vertical posture on a lower portion of the slide valve unit, and a guide arm (33) supported in a horizontally posture on a piston rod in this cylinder and having a pair of rail members (33a), retaining in a fitted state a nozzle case (10) at an upper end of the immersion nozzle (9), and provided in parallel with each other, an induction guide (32) which extends to the outside of a zone of a mold (12) being provided at one side of the slide valve unit (6), a jig retainer member (52), which detachably holds an immersion nozzle retaining jig (57), being fixed to a rail (51), which extends in the longitudinal direction of the induction guide, in such a manner that the jig retainer member can be moved freely.
    • 当使用传统的更换装置时,需要60-90秒进行更换操作,使得连续铸造模具中的熔融金属表面在更换期间凝固,从而导致熔融金属的接合部分变成废料。 本发明装置设有一个适于控制从熔融金属容器流出的熔融金属的排放速率的滑阀单元(6),用于浸入式喷嘴(9)的保持筒(21) 滑动单元的下部的姿势以及在该气缸中的水平姿势支撑在活塞杆上的导向臂(33),并具有一对轨道部件(33a),其以嵌合状态保持喷嘴壳体 如图10所示,在浸入式喷嘴(9)的上端部并列设置有向模具(12)的区域的外侧延伸的感应引导件(32),其设置在滑块的一侧 阀单元(6),可拆卸地保持浸入式喷嘴保持夹具(57)的夹具保持构件(52),固定到沿着感应引导件的纵向方向延伸的轨道(51) 夹具保持构件可以自由移动。