D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
23/411
D21C 9/06 (2006.01) B01D 33/00 (2006.01) B01D 33/04 (2006.01)
Patent
CA 1293360
A b s t r a c t The invention relates to an apparatus for the treatment of a material, in particular a web of material or pulp, made to pass between at least two endless permeable belts, in paticular screen belts or the like conveying means, in particular for the displacement washing of a filter cake or for washing fibrous matter, the material being passed between the belts along at least one, in particular at least two containers serving for the supply or discharge of a treatment medium. The object is in particular to reduce the construction length of such apparatus and to bring about a particular increase of the washing effect for other treatment effect, and this if possible without applying a vacuum. This object is achieved according to the invention that, in particular for a countercurrent treatment, advantageously for a countercurrent displacement washing, the belts with the material lodged therebetween are made to pass in approximately horizontal loops or undulations, at least one of these loops or the like being passed around a container or at least two or more of these loops or the like being passed individually around two or more of the containers from below and over at least one reversing roller, compression roller, through press nips or the like which are provided on at least one container side, in the case of two or more containers between these containers
547016
Resch Franz
Sbaschnigg Johann
Marks & Clerk
Maschinenfabrik Andritz Actiengesellschaft
Resch Franz
Sbaschnigg Johann
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