发明授权
- 专利标题： 가열로의 도어장치
- 专利标题（英）： Door apparatus of heating furnace
- 专利标题（中）： 加热炉门设备
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申请号： KR1020120135719申请日： 2012-11-28
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公开(公告)号： KR101399862B1公开(公告)日： 2014-05-27
- 发明人: 임갑수 , 박영국 , 정진우
- 申请人： 현대제철 주식회사
- 申请人地址： 인천광역시 동구 중봉대로 ** (송현동)
- 专利权人： 현대제철 주식회사
- 当前专利权人： 현대제철 주식회사
- 当前专利权人地址： 인천광역시 동구 중봉대로 ** (송현동)
- 代理商 특허법인아주
- 主分类号： F27B9/30
- IPC分类号： F27B9/30 ; F27B9/38 ; F27D1/18
摘要：
The present invention relates to a door device of a heating furnace including a door opening/closing an open portion of the heating furnace, a pressure chamber formed on the outside of the open portion to communicate with the interior of the heating furnace, an air supply device supplying air to the interior of the pressure chamber to allow the air in the pressure chamber to be formed equal to the internal pressure of the heating furnace, and a pressure control device comparing the internal pressures of the heating furnace and the pressure chamber and activating the air supply device if the internal pressure of the pressure chamber is lower than that of the heating furnace.
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