B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 25/34 (2006.01) B01D 25/12 (2006.01) B01D 25/164 (2006.01)
Patent
CA 2157245
The present invention relates to a method pertaining to press filters of the kind which include a plurality of press plates that can be brought towards and into mutual abutment and pairs of which form therebetween at least one pressure chamber, wherein there is formed in each pressure chamber as the aqueous suspension of solid particles is dewatered a filter cake which upon completion of the dewatering process is released from the chamber by separating the press plates so that the chamber will empty itself of its contents. The method is characterized in that emptying of the pressure chambers is achieved by permitting each press plate to pivot freely about an axis which extends generally horizontally through the plane of the plate, under the weight of the filter cake to thus release the cake. The press filter is constructed so that each press plate is able to pivot in relation to longitudinal, horizontal rails supporting the plates. The pulling devices by means of which the press plates are separated from each other are attached to only a single coupling device on each side of each press plate, the coupling device being placed on or in the immediate vicinity of the runner means, in other words in the proximity of the respective rail.
Goltermann Jorgen
Hedlund Hans-Goran
Gowling Lafleur Henderson Llp
Svedala Pumps & Process Aktiebolag
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