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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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