Feeding device for particulate matter

Details Feeding device for particulate matter Feeding device for particulate matter

1975-05-19

1976-12-07

Knowles, Allen N.

Dispensing

Automatic control

Of dispensers with fluid pressure discharge assistance

222195, 222 1, 34 57A, 259DIG17, 302 29, B67D 508

Patent

active

039957713

ABSTRACT:
The invention relates to a method and device for accurately feeding discrete quantities of pulverulent material in a repetitive manner. The invention is advantageously employed in feeding particulate matter to a gas-solids contacting apparatus which is under positive pressure and particularly such apparatus which treat the fluoride containing off-gases from an aluminum reduction cell with particulate alumina to remove fluorides from such off-gases.

REFERENCES:
patent: 2502953 (1950-04-01), Jahnig
patent: 2538235 (1951-01-01), Coffey
patent: 2697653 (1954-12-01), Nicholson
patent: 2859759 (1958-11-01), Hurwitz
patent: 2909424 (1959-10-01), Jukkola
patent: 3024071 (1962-03-01), Morrow
patent: 3672069 (1970-06-01), Reb et al.

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