B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
141/35
B01D 33/54 (2006.01) B01D 33/21 (2006.01) B01D 35/16 (2006.01)
Patent
CA 1308334
ABSTRACT OF THE DISCLOSURE Method in a suction dryer, which comprises a basin for the suspension to be suction-dried, in connection with which said basin one or several filter-plate discs revolve, onto whose faces a filtrate cake is gathered and dewatered by the effect of a suc- tion flow passing through the filter plates, the filtrate cake/cakes being scraped or otherwise detached from the faces of the filter plates. For the purpose of cleaning the porous struc- ture and faces of the filter plates, ultrasonic transducers are provided in connection with the basin for the suspension to be filtered, to which said transducers an electric power of ultra- sonic frequency is fed out of an ultrasonic generator. For the time of the cleaning intensified by ultrasound, the suspension basin is filled with a connecting and cleaning liquid, e.g. water. The filter-plate discs are rotated in the said connecting and cleaning liquid by means of the same equipment by means of which the rotating of the filter-plate discs takes place in con- nection with the suction drying.
564280
Ekberg Bjarne
Norrgard Goran
Marks & Clerk
Outokumpu Oy
LandOfFree
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