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发明授权
CN101608702B 一种烟道止逆防火阀 有权

  • 专利标题： 一种烟道止逆防火阀
  • 专利标题（英）： Check fire valve for flue
  • 申请号： CN200910017260.9
    申请日： 2009-07-23
  • 公开(公告)号： CN101608702B
    公开(公告)日： 2012-07-25
  • 发明人: 韩文强
  • 申请人： 韩文强
  • 申请人地址： 山东省潍坊市奎文区樱前街九龙大厦315B
  • 专利权人： 韩文强
  • 当前专利权人： 韩文强
  • 当前专利权人地址： 山东省潍坊市奎文区樱前街九龙大厦315B
  • 代理机构： 潍坊鸢都专利事务所
  • 代理商 臧传进
  • 主分类号： F16K15/03
  • IPC分类号： F16K15/03 ;  F16K17/38 ;  F16K17/40
一种烟道止逆防火阀
摘要：
本发明公开了一种烟道止逆防火阀，包括由外壳构成的油烟通道，油烟通道具有相对的进风口和出风口，油烟通道内设置有阀片，阀片为相对设置的两片，阀片通过阀片转轴可转动的设置在油烟通道内，在油烟通道内靠近进风口一端设置有使两片阀片只能向出风口方向开启的阻挡体，在油烟通道内靠近进风口侧设有将进风口分为两部分的纵向设置的连接条，阀片转轴靠近所述的连接条，连接条朝向出风口的侧面上设置有能使阀片强制关闭的高温关闭装置。本发明排油烟效果好、不会阻碍公共烟气道的畅通，当公共烟气道内烟气温度处于很高的紧急状态下可强行关闭。
摘要（英）：

The invention discloses a check fire valve for a flue, comprising a lampblack channel comprising an outer casing. The lampblack channel is provided with an air inlet and an air outlet which are opposite to each other; two oppositely arranged valve plates are arranged in the lampblack channel; and are rotatablely arranged in the lampblack channel through a valve plate rotation shaft; a blocking body causing the two valve plates only to be opened towards the direction of the air outlet is arranged at one end near the air inlet in the lampblack channel; a connecting strip lengthways arranged to separate the air inlet to two parts is arranged at the side near the air inlet in the lampblack channel; the valve plate rotation shaft is arranged close to the connecting strip; and the side face of the connecting strip facing to the air outlet is provided with a high-temperature closing device which can enable the valve plates to be forcibly closed. The invention has good lampblack removing effect, can not impede the smoothness of public flues, and can be forcibly closed when temperature of flue gas in the public flues is in a high exigent condition.

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