Liquid purification or separation – Filter – Movable medium
Patent
1985-08-13
1986-09-16
Sever, Frank
Liquid purification or separation
Filter
Movable medium
210412, 210427, B01D 3516
Patent
active
046121170
ABSTRACT:
A vertically arranged filter drum (6) is installed in the feed chamber (2) of the cylindrical housing (1) of the filter, this drum having a closed upper end and an open lower end. The filter drum (6) consists of an outer (13) and an inner (14) supporting basket exhibiting a screen (15) with passage openings for the liquid to be filtered, as well as of a filtering basket (16) disposed between the two supporting baskets (13, 14), the filtering basket being made of a filter material, for example perforated sheet metal. The filter drum (6) is rotationally driven by a shaft (10), supported in a post (8) on the filter housing (1), and by a motor (11) and is seated with its lower open end with running clearance in the discharge chamber (4) of the filter housing (1). The liquid to be purified enters the feed chamber (2) of the filter (1) via the inlet (3), and the purified liquid leaves the filter through the outlet (5) of the discharge chamber (4). Two backwash ducts with an outlet for the backwashing liquid, which ducts adjoin the jacket surface of the drum (6) and are open toward the latter, are disposed on the inside of the filter housing (1).
REFERENCES:
patent: 3327861 (1967-06-01), Carr
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