Drainpipe for a reversible drainpipe filter system

Details Drainpipe for a reversible drainpipe filter system Drainpipe for a reversible drainpipe filter system

1981-04-30

1983-01-25

Cintins, Ivars C.

Liquid purification or separation

Particulate material type separator, e.g., ion exchange or...

Within flow line or flow line connected closed casing

210293, B01D 2320

Patent

active

043702309

ABSTRACT:
The drainpipe is of triangular cross-sectional shape and has an oblong slot in the bottom surface which is closed over by a stepped ledge having webs and grooves. The slot and grooves in the ledge form a flow connection between the filter basin and the interior of the drainpipe. The drainpipe is simple to manufacture and dead zones in the filter mass not wetted by the flushing media during back flushing are completely avoided or reduced to a minimum.

REFERENCES:
patent: 2710692 (1955-06-01), Kegel et al.
patent: 2874844 (1959-02-01), Wanner
patent: 3870236 (1975-03-01), Barragan
patent: 3896999 (1975-07-01), Barragan
patent: 3915384 (1975-10-01), Diggs
patent: 4065391 (1977-12-01), Farabaugh

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