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1.发明授权Method for filtering a fibrous material by means of a disc filter as well as a disc filter for performing the method 失效用于通过盘式过滤器进行纤维过滤的过滤方法，作为用于执行方法的盘式过滤器
公开(公告)号：US4136028A
公开(公告)日：1979-01-23
申请号：US831389
申请日：1977-09-08
Applicant: Martti Toivonen
Inventor： Martti Toivonen
CPC classification number: D21C9/18 , B01D33/21 , B01D2201/282
Abstract: The filtered liquid present in the rotating compartments of the core of a disc filter is suctioned out of the filter through two separate zones. Muddy or turbid filtrate is drawn out as the compartments pass through a first zone lying near the bottom point in the rotation of the compartments. Thereafter, the compartments pass through a second zone located in the region of the first 60.degree. of the upward movement of the compartments, in which zone the clear filtrate is drawn out. The compartments have a slight axial pitch and their surfaces are concave so that, as the compartment moves in the upward direction, the filtrate flows towards the discharge ports of the filter.
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