Liquid purification or separation – Filter – Movable medium
Patent
1992-05-29
1995-07-25
Dawson, Robert A.
Liquid purification or separation
Filter
Movable medium
210377, 210394, 210403, 209270, 209284, 209288, 209296, B01D 3306
Patent
active
054359171
ABSTRACT:
A rotary filter for filtering water out of water containing raw material such as fish guts and muds including a screw drum having a number of filtering holes formed therein and a screw having a shaft and a spiral vane secured to the outer surface of the shaft, in which the screen drum is arranged rotatably, the screw is arranged within the screen drum rotatably relative to the screen drum, and the screen drum and the screw are rotated by means of separate driving sources independently from each other. A period of time during which the water containing raw material is remained within the screen drum can be adjusted at will regardless of the rotation speed of the screen drum. Therefore, the screen drum can be rotated at a high speed while the raw material can remained within the screen drum for a long time period, so that the water filtering efficiency can be increased.
REFERENCES:
patent: 1594999 (1926-08-01), Carter
patent: 1712258 (1929-05-01), Compain
patent: 2089215 (1937-08-01), Lomax
patent: 4368125 (1983-01-01), Murray
patent: 5030348 (1991-07-01), Bengt
Dawson Robert A.
Fukoku Kogyo Co. Ltd.
Popovics Robert James
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