Self-cleaning filter particularly for high-viscosity pasty fluid

Details Self-cleaning filter particularly for high-viscosity pasty fluid Self-cleaning filter particularly for high-viscosity pasty fluid

1990-09-17

1992-10-20

Cintins, Ivars

Liquid purification or separation

With heater or heat exchanger

Flow line connected in series with distinct separator

210413, 210414, 210415, 210488, 21049701, 425197, B01D 2935, B01D 2964, B29B 1702

Patent

active

051567350

ABSTRACT:
The self-cleaning filter particularly for high-viscosity pasty fluids has a fixed body having a substantially cylindrical elongated chamber in which a filtration drum is supported and defines a central region, at one end of which there is an inlet for the fluid to be filtered, and an outer annular region, at the other end of which there is a duct for the removal of the filtered fluid; a shaft is axially supported and rotationally actuated in the chamber and has a helical crest the profile whereof is suitable for grazing the inner surface of the drum to remove therefrom the impurities which are present and is suitable for pushing the fluid toward an impurity discharge duct arranged at the other end of the chamber, the constant cleaning of the drum being suitable for keeping constant the pressure drop on the filter.

REFERENCES:
patent: 1772262 (1930-08-01), Naugle
patent: 3135193 (1964-06-01), Hunt
patent: 3495299 (1970-02-01), Chazal
patent: 3585924 (1971-06-01), Nolan
patent: 4175198 (1979-11-01), Kinoshita
patent: 4177234 (1979-12-01), Lowry
patent: 4280907 (1981-07-01), Haberle
patent: 4309284 (1982-01-01), Morimoto
patent: 4384955 (1983-05-01), Nakakura
patent: 4470904 (1984-09-01), Gail
patent: 4629411 (1986-12-01), Bueheler

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