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专利号:ZL200620071581.9专利权人:上海梅山钢铁股份有限公司发明(设计)人:吴凯朱来宝刘权本实用新型涉及一种用于高炉出渣口的堵渣机的堵头装置,特别涉及一种活塞式堵头装置。主要解决现有通风式堵头当外部压缩空气的压力低于炉内压力时,渣液会倒灌进堵头装置中的通风管,从而使得整个堵头装置需要更换的技术问题。本实用新型的技术方案为:活塞式堵头装置,包括堵头体、气道、压缩空气管和冷却水管,堵头体前端旋接有堵头前端,压缩空气管置入堵头体内腔,堵头体内腔还接有冷却水管,堵头前端内部
The utility model relates to a plugging device for a slag blocker of a slag hole in a blast furnace, in particular to a plugging device for a slag blocker of a slag gate in a blast furnace. Piston plug device. Mainly solve the existing ventilation plug When the pressure of the external compressed air is lower than the pressure in the furnace, the liquid slag will be poured into the ventilation pipe in the plugging device, so that the technical problem of the plugging device needs to be replaced. The technical scheme of the utility model is that the piston type plugging device comprises a plug body, an airway, a compressed air pipe and a cooling water pipe, the front end of the plug body is screwed with a front end of the plug, the compressed air pipe is arranged in the inner cavity of the plug body, Plug body cavity is also connected to the cooling water pipe, plug the front internal