发明授权
- 专利标题: Method and device in a paper machine
- 专利标题(中): 纸机中的方法和装置
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申请号: US618000申请日: 1990-11-26
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公开(公告)号: US5152076A公开(公告)日: 1992-10-06
- 发明人: Raimo Virta , Vesa Vuorinen
- 申请人: Raimo Virta , Vesa Vuorinen
- 申请人地址: FIX
- 专利权人: Valmet Paper Machinery Inc.
- 当前专利权人: Valmet Paper Machinery Inc.
- 当前专利权人地址: FIX
- 优先权: FIX895749 19891201
- 主分类号: D21F5/04
- IPC分类号: D21F5/04 ; D21F5/14 ; D21F5/18 ; F26B13/08 ; F26B13/18
摘要:
The invention concerns a method and an apparatus in a paper machine, in particular in its drying section, for intensification of the drying of the paper. In the method the paper web (W) is passed on support of a drying fabric onto a drying cylinder (K). In the method, in connection with the drying cylinder (K), a separate suction device (10) is employed, which is fitted at a distance (F) from the drying fabric, e.g. a wire (H), which follows the face of the drying cylinder. In the method, by means of the suction device (10), the boundary layer (S.sub.1) of moist air, which has been formed on the face of the drying fabric (H), is suctioned off, whereby the drying process is promoted.
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