Grit trap

Details Grit trap Grit trap

1987-09-23

1988-07-26

Therkorn, Ernest G.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210787, 210801, 2102212, 2105123, 209164, 209170, 209211, C02F 124

Patent

active

047598549

ABSTRACT:
This invention relates to a grit trap which is intended for use in removing grit from a flow of sewage. The grit trap is of the kind which includes a settlement chamber which has an inlet through which the flow of sewage can flow and an outlet from which treated sewage can flow. There is also provided a grit storage chamber which is disposed between the settlement chamber and in which in use the separated grit will collect, the settlement chamber having a mixing device for promoting a desired motion to the flow of sewage entering the settlement chamber. In accordance with the invention said mixing device comprises a disc 25 which is provided with a plurality of generally radially extending blades, said disc being located just above the upper end of the grit storage chamber.

REFERENCES:
patent: 1669820 (1928-05-01), Grant
patent: 1996547 (1935-04-01), Mason
patent: 2020617 (1935-11-01), Nordell
patent: 3129173 (1964-04-01), Schulze
patent: 3353340 (1967-11-01), Carsey
patent: 4146468 (1979-03-01), Wilson
patent: 4451366 (1984-05-01), Smisson

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