Gas separation – With nonliquid cleaning means for separating media – With sequential cleaning of plural units
Patent
1978-09-11
1980-05-20
Lacey, David L.
Gas separation
With nonliquid cleaning means for separating media
With sequential cleaning of plural units
55283, 55294, 55317, 55400, 55432, 55DIG25, B01D 4604, B01D 4642
Patent
active
042037379
ABSTRACT:
A filtering separator, in particular a pocket or tube filter, of the kind in which smoke-laden gas containing dust particles of particularly great adhesiveness is fed into a dust collecting trough of a filter housing at the bottom and upwards towards filter elements and in which the filter elements are cleaned periodically by counter-current scavenging and/or joggling. A proportion of the settling dust agglomerated in the filter which corresponds to the amount of dust in the incoming smoke laden gas and which cannot be carried back to the filter surfaces by the smoke-laden gas is removed from said dust collecting trough.
A lower part of the dust collecting trough is occupied by a longitudinally extending, rotatably mounted, perforated or sieve-like drum which is arranged to be filled with heavy bodies such as balls. The upper part of the drum is exposed and acts as a dust-collecting store or reservoir to which the smoke-laden gas is fed in order to flow transversely through the drum and its contents. At the end or below the drum there is provided an exit opening to allow the dust to drop out of the collecting trough. This opening contains a compartmented dust removal device which, together with the drum, can be set in rotation as soon as the resistance to flow through the drum reaches a maximum and which is stopped when a minimum is reached.
REFERENCES:
patent: 2125574 (1938-08-01), Knight et al.
patent: 3605387 (1971-09-01), Margraf
patent: 3739551 (1973-06-01), Eckert
patent: 3880968 (1975-04-01), Kaspar et al.
patent: 4140502 (1979-02-01), Margraf
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