Liquid purification or separation – Filter – Movable medium
Patent
1982-09-28
1984-05-22
Hart, Charles N.
Liquid purification or separation
Filter
Movable medium
210400, 210402, 210408, 15302, 15306A, B01D 3304, B01D 3336
Patent
active
044500807
ABSTRACT:
An apparatus for removing excess liquid and contaminants from a belt filter cake includes a perforated main belt extending over a separation drum. An anti-wear permeable belt has one portion lying against part of the main belt supported by the separation drum. There are exterior suction headers and chambers effective through the anti-wear belt and main belt and a main suction box within the separation drum for cake recovery where the main belt is in contact therewith. Wash water nozzles are within the separation drum directed toward the exterior suction headers and chambers.
REFERENCES:
patent: 917305 (1909-04-01), Johnson
patent: 2092111 (1937-09-01), Dons et al.
patent: 2278525 (1942-03-01), Rich et al.
patent: 3915859 (1975-10-01), Sundin et al.
patent: 3951805 (1976-04-01), Dodd
patent: 4168236 (1979-09-01), Bahr
patent: 4255261 (1981-03-01), Dodd
Czaja John W.
Hart Charles N.
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