C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 9/08 (2006.01) C10B 57/10 (2006.01) C10F 5/04 (2006.01) F26B 1/00 (2006.01) F26B 5/14 (2006.01) F26B 17/04 (2006.01)
Patent
CA 2316663
The invention concerns a process for reducing the water content bound in the capillaries of the fibre cells of milled solid matter and/or sludge that contains carbon and which is processed through a screen to form a mat. The invention comprises the following process steps: 1) The material to be used is milled, screened and distributed to several spreading-material hoppers designated for several grain sizes and their grain size distributions. 2) As a first layer, a thin layer of fine material is scattered on a spreading, charging and filter belt. As a second layer, a thicker layer of coarse material is deposited to form a sandwich mat, whereby the depositing of the respective pile height of the fine material H F and the layer height of the coarse material H G of the sandwich mat is carried out according to the consistency and the proportion of fine material in the material used. 3) The sandwich mat formed according to the process steps 1 and 2 is fed into the pressure chamber of the filter press by means of a belt according to the dewatering cycle while, at the same time, the pressed dry material is run out.
Kirby Eades Gale Baker
Maschinenfabrik J. Dieffenbacher Gmbh & Co.
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