发明公开
EP0766053A2 Cryogenic rectification system for producing dual purity oxygen
失效
Kryogenisches Rektifikationssystem zur Herstellung von Sauerstoff mit doppelter Reinheit
- 专利标题: Cryogenic rectification system for producing dual purity oxygen
- 专利标题(中): Kryogenisches Rektifikationssystem zur Herstellung von Sauerstoff mit doppelter Reinheit
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申请号: EP96112185.2申请日: 1996-07-27
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公开(公告)号: EP0766053A2公开(公告)日: 1997-04-02
- 发明人: Dray, James Robert , Parsnick, David Ross , Fisher, Theodore Fringelin , Wisz, Michael Wayne
- 申请人: PRAXAIR TECHNOLOGY, INC.
- 申请人地址: 39 Old Ridgebury Road Danbury, CT 06810-5113 US
- 专利权人: PRAXAIR TECHNOLOGY, INC.
- 当前专利权人: PRAXAIR TECHNOLOGY, INC.
- 当前专利权人地址: 39 Old Ridgebury Road Danbury, CT 06810-5113 US
- 代理机构: Schwan, Gerhard, Dipl.-Ing.
- 优先权: US536589 19950929
- 主分类号: F25J3/04
- IPC分类号: F25J3/04
摘要:
A cryogenic rectification system employing a double column and two auxiliary reboilers associated with one or two auxiliary columns wherein both lower purity oxygen and higher purity oxygen is produced.
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