Fluidized bed filtering apparatus

Details Fluidized bed filtering apparatus Fluidized bed filtering apparatus

1998-03-26

2000-03-21

Hruskoci, Peter A.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

210150, 210203, 2102421, 210262, 210274, 210284, 210293, C02F 308

Patent

active

060398663

ABSTRACT:
In a fluidized bed filtering apparatus, for preventing particles of filtering material from entering into a feed pipe to clog the feed pipe and lowering the frequency of washing operations, a filtering material layer made of granular filtering material is supported by a supporting layer disposed in a filtering chamber so as to provide a space in the lower portion of the filtering chamber and two lines of a first feed pipe the outlet of which opens in the filtering material layer and a second feed pipe the outlet of which opens within the space are provided for feeding corrupt water into the filtering chamber.

REFERENCES:
patent: 3260366 (1966-07-01), Duff et al.
patent: 4140541 (1979-02-01), Popper
patent: 4246118 (1981-01-01), Tada et al.
patent: 4276181 (1981-06-01), Cordier et al.
patent: 4412923 (1983-11-01), Capitani et al.
patent: 4885083 (1989-12-01), Banks
patent: 5066393 (1991-11-01), Padera et al.
patent: 5635080 (1997-06-01), Hensley

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