发明授权
- 专利标题： Cryogenic air separation method with temperature controlled condensed feed air
- 专利标题（中）： 低温空气分离法采用温控冷凝进料空气
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申请号： US11372098申请日： 2006-03-10
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公开(公告)号： US07487648B2公开(公告)日： 2009-02-10
- 发明人: Joseph Alfred Weber , M. Mushtaq Ahmed , Todd Alan Skare , Neil Mark Prosser
- 申请人： Joseph Alfred Weber , M. Mushtaq Ahmed , Todd Alan Skare , Neil Mark Prosser
- 申请人地址： US CT Danbury
- 专利权人： Praxair Technology, Inc.
- 当前专利权人： Praxair Technology, Inc.
- 当前专利权人地址： US CT Danbury
- 代理商 David M. Rosenblum
- 主分类号： F25J3/00
- IPC分类号： F25J3/00
摘要：
A method for the cryogenic separation of air having defined temperatures for condensed feed air passed into a double column system relative to liquid oxygen and preferably to shelf vapor, and wherein kettle liquid is not subcooled from the higher pressure column to the lower pressure column.