发明授权
US06835229B2 Method and apparatus for clearing a powder accumulation in a powder delivery tube
失效
用于清除粉末输送管中的粉末积聚的方法和装置
- 专利标题： Method and apparatus for clearing a powder accumulation in a powder delivery tube
- 专利标题（中）： 用于清除粉末输送管中的粉末积聚的方法和装置
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申请号： US10051165申请日： 2002-01-22
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公开(公告)号： US06835229B2公开(公告)日： 2004-12-28
- 发明人: Robert K. Brown , Mark J. Zolenas
- 申请人： Robert K. Brown , Mark J. Zolenas
- 主分类号： C21B500
- IPC分类号： C21B500
摘要：
A system for monitoring coal flow through a coal delivery tube in a blast furnace fuel injection system is disclosed, which system automatically actuates a purge cycle for clearing accumulations of coal from a coal lance when a temperature drop indicative of an imminent blockage is detected. A method of controlling the purge system is also disclosed.
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