Process and apparatus for doctoring solids from a rotary filter

Details Process and apparatus for doctoring solids from a rotary filter Process and apparatus for doctoring solids from a rotary filter

1996-11-08

1998-12-22

Lithgow, Thomas M.

Liquid purification or separation

Filter

Movable medium

210784, 210791, 210402, 1525653, 55296, B01D 3346

Patent

active

058513922

ABSTRACT:
The present invention provides a self cleaning doctor blade which is a floating blade containing beveled edges or "relief gaps" comprising beveled mitered leading edges on each blade. This arrangement allows for the blades as a whole to remain free from build-up of fine particulate matter. The invention further provides a doctor blade made of replaceable units allowing for fine adjustment of blade-to-drum surface distance as well as replacement of small damaged segments rather than the whole blade.

REFERENCES:
patent: 1415825 (1922-05-01), Bates
patent: 2120455 (1938-06-01), Barnebl
patent: 2827175 (1958-03-01), Cataldo
patent: 3688337 (1972-09-01), Noda
patent: 3692182 (1972-09-01), Patton
patent: 4836917 (1989-06-01), Tomita
patent: 5143555 (1992-09-01), Brady
patent: 5149448 (1992-09-01), Mattelmaki
patent: 5607588 (1997-03-01), Peterson

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