发明授权
- 专利标题: Method of pipe line washing
- 专利标题(中): 管道清洗方法
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申请号: US356154申请日: 1982-03-08
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公开(公告)号: US4472242A公开(公告)日: 1984-09-18
- 发明人: Akira Osawa , Jun Nakamura , Tadashi Izawa , Yoshiyuki Saito
- 申请人: Akira Osawa , Jun Nakamura , Tadashi Izawa , Yoshiyuki Saito
- 申请人地址: JPX Tokyo JPX Tokyo
- 专利权人: Mitsubishi Jukogyo Kabushiki Kaisha,Mitsubishi Seishi Kabushiki Kaisha
- 当前专利权人: Mitsubishi Jukogyo Kabushiki Kaisha,Mitsubishi Seishi Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo JPX Tokyo
- 优先权: JPX56-33669 19810309
- 主分类号: B01D29/00
- IPC分类号: B01D29/00 ; D21C9/02
摘要:
A method of pipe line washing is described, in which raw pulp liquid is washed by clean water or washing liquid having a lower concentration than liquid chemicals in the raw pulp liquid by making use of all or a part of a pipe line.
公开/授权文献
- USRE35181E Thermo-magnetic vaporizer carburetor 公开/授权日:1996-03-19
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