发明授权
- 专利标题： Method and device for treating a fibrous material web in a long nip pressing unit
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申请号： US16971766申请日： 2019-02-19
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公开(公告)号： US11414816B2公开(公告)日： 2022-08-16
- 发明人: Andreas Anzel , Robert Meitner , Paul Richards , Wolfgang Plienegger
- 申请人： ANDRITZ AG
- 申请人地址： AT Graz
- 专利权人： ANDRITZ AG
- 当前专利权人： ANDRITZ AG
- 当前专利权人地址： AT Graz
- 代理机构： Alix, Yale & Ristas, LLP
- 优先权： ATA50177/2018 20180301
- 国际申请： PCT/EP2019/054041 WO 20190219
- 国际公布： WO2019/166271 WO 20190906
- 主分类号： D21F3/02
- IPC分类号： D21F3/02 ; D21F3/04 ; D21F7/12 ; D21F11/14 ; D21H27/00 ; F26B13/24
摘要：
A method for treating a pulp web in a paper or tissue machine with an extended-nip press unit. This extended-nip press unit includes a shoe press roll with a revolving press belt and a backing roll, where the pulp web is dewatered in the extended press nip between the backing roll and the press belt and where the pulp web is carried on the revolving press belt of the press roll after the extended press nip to a transfer fabric that receives the pulp web. The transfer fabric is guided over a stationary transfer device in the transfer area. A corresponding device for treating the pulp web.
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