Liquid purification or separation – Plural distinct separators – Filters
Patent
1987-10-13
1990-02-06
Jones, W. Gary
Liquid purification or separation
Plural distinct separators
Filters
210393, 210411, 210413, B01D 2324, B01D 2938
Patent
active
048986712
ABSTRACT:
A filter apparatus for separating solids from a liquid in a slurry, is cleaned by a jet and a sludge removal device. The filter is generally flat and has an inflow side on which the solids are deposited and an outflow side supported by a grid. The grid subdivides the outflow side into a plurality of separate injection chambers and defines a plurality of separate small regions of the filter material. The jet directs a stream of liquid through one of the injection chambers and against one of the small regions of the filter defined by the injection chamber. A cover plate is provided on the jet for engaging the grid to close one injection chamber opposite the filter material. The sludge removal device is located on the inflow side of the filter and is aligned with the jet to receive solids dislodged from the filter. The jet and sludge removal device more simultaneously and in alignment with each other to close selectively and to direct a stream of liquid through each of the injection chambers.
REFERENCES:
patent: 2063354 (1952-07-01), Way et al.
patent: 2066479 (1937-01-01), MacIsaac
patent: 3357566 (1967-12-01), Schmid et al.
patent: 4266953 (1981-05-01), Matthys et al.
patent: 4702847 (1987-10-01), Fux et al.
Fux Kamil
Gresa Ludwig
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