发明授权
- 专利标题： System and method to control press section dewatering on paper and pulp drying machines using chemical dewatering agents
- 专利标题（中）： 使用化学脱水剂在纸和纸浆干燥机上控制压榨部脱水的系统和方法
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申请号： US12059425申请日： 2008-03-31
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公开(公告)号： US07964064B2公开(公告)日： 2011-06-21
- 发明人: David Ira Weinstein , Michael Robert St. John , Rodney H. Banks , James L. Thomas
- 申请人： David Ira Weinstein , Michael Robert St. John , Rodney H. Banks , James L. Thomas
- 申请人地址： US IL Naperville
- 专利权人： Nalco Company
- 当前专利权人： Nalco Company
- 当前专利权人地址： US IL Naperville
- 代理商 Joshua D. Bishop; Michael B. Martin
- 主分类号： D21F13/00
- IPC分类号： D21F13/00
摘要：
The present invention provides an automatic control system, method and paper manufacturing machine using such control system for automatically controlling the amount of press section dewatering via the metered application of chemical dewatering agents applied to a paper web in a paper manufacturing process. The control system includes a feedback controller for controlling the amount of chemical dewatering agent applied to a paper web, and a monitoring device for obtaining a measurement of the moisture of the paper web exiting the press section.
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