发明授权
- 专利标题： Powder feeder apparatus
- 专利标题（中）： 送粉装置
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申请号： US397988申请日： 1989-08-24
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公开(公告)号： US5209607A公开(公告)日： 1993-05-11
- 发明人: Nan Wei , Philip M. Rose , Chi-Hung Lin , David R. Kreider , Ronald P. Stark
- 申请人： Nan Wei , Philip M. Rose , Chi-Hung Lin , David R. Kreider , Ronald P. Stark
- 申请人地址： IL Chicago
- 专利权人： Amoco Corporation
- 当前专利权人： Amoco Corporation
- 当前专利权人地址： IL Chicago
- 主分类号： B01J4/02
- IPC分类号： B01J4/02 ; B01J8/00
摘要：
This invention relates to an apparatus and process for feeding powder or dry solids catalyst into a flowing liquid stream. More particularly, the invention includes an apparatus which includes a novel purging device and means for isolating a metering means from a liquid stream, and process for injecting finely divided flowable powder or catalyst into a flowing liquid stream, which in turn is fed into a reactor utilized for the production of polypropylene or polyolefins.
公开/授权文献
- US6092440A Self-adjusting ratcheting wrench 公开/授权日：2000-07-25
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