Rotary filter

Details Rotary filter Rotary filter

1978-12-21

1980-10-07

Sever, Frank

Liquid purification or separation

With precoat adding or applying means

210402, 210408, B01D 3310, B01D 3702

Patent

active

042267161

ABSTRACT:
A rotary filter (10) is disclosed which has a rotating drum (24) disposed within a pressure housing (12). The drum (24) is perforated to form a mesh surface over which a support layer (27) is affixed. Filter material is deposited on the support layer (27) to form a filter layer (30). The particulate matter within a fluid stream is removed by the filter layer (30) to form a filter cake (43 ) on the surface of the filter layer (30). A blade (42) scrapes the filter cake (43) from the surface of filter layer (30) and deposits the scraped filter cake (43) within a chamber (38). The rotary filter (10) thus operates continuously to filter the process fluid to prevent increasing the fluid pressure across the filter layer (30) due to blocking of the filter.

REFERENCES:
patent: 2102780 (1937-12-01), Bielfeldt
patent: 2576288 (1951-11-01), Fink et al.
patent: 3616908 (1971-11-01), Rokitansky et al.
patent: 3997441 (1976-12-01), Pamplin
patent: 4046690 (1977-09-01), Rodgers et al.

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