发明名称 APPARATUS FOR LIFTING THE COLD BLAST VALVE
摘要 A ventilation valve lifting device is provided to correct a disc of the ventilation valve drooping by lifting a flange of the ventilation valve without the stop of operation. A ventilation valve lifting device comprises: a main body(20) equipped in a connection pipe in order to seal a ventilation valve hermetically; and a lifting device(40) equipped in the body, possible for moving. The body includes: a first flange(21) installed in the connection pipe to be fixed, and having a receiving hole(22) accommodating the ventilation valve; and a second flange(25) having a movable guide hole(24) formed by a lifting shaft(41) included in the lifting device.
申请公布号 KR20090025685(A) 申请公布日期 2009.03.11
申请号 KR20070090723 申请日期 2007.09.07
申请人 POSCO 发明人 JEONG, SEONG WEON;YOON, SANG CHUL;JUNG, HOA JOUNG;LEE, JONG IL
分类号 C21B7/16 主分类号 C21B7/16
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