Decker

Details Decker Decker

B - Operations, Transporting

01

D

182/57

B01D 33/11 (2006.01) B01D 33/50 (2006.01) B01D 33/74 (2006.01)

Patent

CA 1320147

Abstract: A decker comprises a tank, vat or a like (1) having a thickening drum (2) mounted rotatably in connection therewith and comprising a filtering shell. The inside of the drum communicates with means (6) for feeding mass, whose consistency is to be increased, into the thickening process as well as means (7) for discharging the thickened mass from the thickening process. The filtrate separated from the mass to be thickened is arranged in flow communication from the inside of the thickening drum (2) through the filtering shell of the drum to the botton portion of the tank, vat or the like (1). Separating means (11) are placed in the bottom portion and they form a partition point or partition line (11b) situated transversely with regard to the direction of rotation (D) of the drum and at a predetermined angular distance (.alpha.) from the horizontal plane (point A) coinciding with the axis of rotation (2a). The partition point (11b) is arranged to accomplish the separation of the filtrate flowing through the filtering shell before and after said angular distance (.alpha.), as seen in the direction of rotation, in two filtrate fractions. Fig. 2

597551

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