Method for dewatering a fiber suspension in a dewatering...

Details Method for dewatering a fiber suspension in a dewatering... Method for dewatering a fiber suspension in a dewatering...

D - Textiles, Paper

21

C

182/19

D21C 9/18 (2006.01) D21F 1/66 (2006.01) D21G 9/00 (2006.01)

Patent

CA 1254153

APPLICANT: N. A. LENNART WIKDAHL TITLE: METHOD FOR DEWATERING A FIBER SUSPENSION IN A DEWATERING APPARATUS ABSTRACT OF THE DISCLOSURE A method for dewatering a fiber suspension in a de- watering apparatus, working under pressure, includes an inlet for fiber suspension, an outlet for dewatered fiber-rich fraction and an outlet for substantially fiberfree fraction, a supply conduit and discharge conduits being connected to each said inlet and outlet. The suspension intended for de- watering is partially taken through a branch conduit past the dewatering apparatus and to the discharge conduit for fiber- rich fraction, and partially through the dewatering apparatus. The pressure to the dewatering apparatus is regulated by means of a valve in the branch conduit. The pressure is sensed by a pressure sensor in the supply conduit and is determined by an accept counter-pressure disposed upstreams.

463377

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