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1. 发明授权

US5968317A Method for arranging water circulation in a paper mill 失效
标题翻译：在造纸厂设置水循环的方法
公开(公告)号：US5968317A
公开(公告)日：1999-10-19
申请号：US862590
申请日：1997-05-23
申请人： Rainer Gartz , Sakari Kaijaluoto , Antti Suonpera
发明人： Rainer Gartz , Sakari Kaijaluoto , Antti Suonpera
IPC分类号： D21F1/66
CPC分类号： D21F1/66 , Y10S162/08 , Y10S210/928
摘要： A method for arranging water circulation in a paper mill including a pulp manufacturing plant provided with a water circulation system, such as a TMP plant, and a paper machine provided with a water circulation system. In order to reduce the amount of fresh water supplied to the paper mill, a part of the amount of fresh water supplied to the paper mill is substituted for by water or waters cleaned locally from waters contaminated at the paper mill. The concentrate or concentrates obtained from the stages of water cleaning is/are utilized where applicable by arranging the concentrate(s) to flow upstream in relation to the raw-material flow for reuse at the paper mill. By means of these operations, the amount of contaminants circulating in the paper mill is controlled.
摘要翻译：一种用于在包括设置有水循环系统的纸浆制造厂（例如TMP设备）的造纸厂中设置水循环的方法和具有水循环系统的造纸机。为了减少供应给造纸厂的淡水量，供应给造纸厂的淡水量的一部分被替换为在造纸厂污染的水中局部清洁的水或水。在适用的情况下，通过将浓缩物相对于原料流在上游流动以便在造纸厂重新使用，可以利用从水清洗阶段获得的浓缩物或浓缩物。通过这些操作，控制在造纸厂循环的污染物的量。

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