Filter for purification of gases

Details Filter for purification of gases Filter for purification of gases

1978-10-26

1980-09-30

Prunner, Kathleen J.

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

55430, 55459R, 55474, 55479, 55484, 55512, B01D 5000, B01D 2316, B01D 3300

Patent

active

042253276

ABSTRACT:
The present invention relates to a filter apparatus for the purifying of gases, having at least one filter space which has at least one upper inlet and one lower inlet for a filter medium containing solid particles which passes through said space, the gas to be purified flowing through said space in countercurrent to the filter medium. In this filter apparatus, at least one removing device which moves relative to the filter space, for instance a scraper, is provided at the outlet for the filter medium, said device moving through a cone of the filter medium which forms at the outlet so as to remove, in each case, at least a part of the filter medium from the cone.

REFERENCES:
patent: 2488493 (1949-11-01), Evans
patent: 2564316 (1951-08-01), Veron
patent: 3685262 (1972-08-01), Kressley
patent: 3770388 (1973-11-01), Zenz
patent: 3940237 (1976-02-01), Gonzalez et al.
patent: 4017278 (1977-04-01), Reese

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