Apparatus for scraping sludge from the surface of a body of liqu

Details Apparatus for scraping sludge from the surface of a body of liqu Apparatus for scraping sludge from the surface of a body of liqu

1981-02-25

1983-06-28

Cintins, Ivars C.

Liquid purification or separation

Gravitational separator

Mechanical constituent mover

B01D 2104

Patent

active

043904300

ABSTRACT:
Sludge floating on the surface of liquid protrudes upwardly through a stabilization grid and is removed by scraping means into a gutter. In order to prevent the scraping means pushing the sludge back downwardly through the grid, the scraping means is provided with a knife which is driven in a forward movement towards the gutter and a return movement away from the gutter. In the forward movement the knife is tilted downwardly towards its free edge so as to cut the sludge and push it into the gutter. During the return movement, the free edge is raised above the grid.

REFERENCES:
patent: 1792919 (1931-02-01), Mieder
patent: 3756418 (1973-09-01), Pentz et al.
patent: 4144173 (1979-03-01), Pielkenrood

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