发明授权
US3635341A Process of precoating and filtering using a rotary drum vacuum filter
失效
使用旋转式真空过滤器进行预处理和过滤
- 专利标题： Process of precoating and filtering using a rotary drum vacuum filter
- 专利标题（中）： 使用旋转式真空过滤器进行预处理和过滤
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申请号： US3635341D申请日： 1969-07-22
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公开(公告)号： US3635341A公开(公告)日： 1972-01-18
- 发明人: DAVIS STEVEN S
- 申请人： STEVEN S DAVIS
- 专利权人： Steven S Davis
- 当前专利权人： Steven S Davis
- 优先权： US84350269 1969-07-22
- 主分类号： B01D33/00
- IPC分类号： B01D33/00 ; B01D37/02 ; B65G15/28
摘要：
A rotary drum vacuum precoat filter equipped so that the liquid level therein may be controllably varied to completely submerge the drum for precoating, followed by exposure of only a small part of the drum (not more than 30 percent) for cake drying and removal during filtration. There is also disclosed a scraper assembly for cake removal from the exposed drum just prior to resubmergence.
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