Gas separation – With nonliquid cleaning means for separating media – Cohesive filter media cleaning
Patent
1980-10-28
1982-07-20
Nozick, Bernard
Gas separation
With nonliquid cleaning means for separating media
Cohesive filter media cleaning
55291, 55378, 55302, B01D 4604
Patent
active
043404014
ABSTRACT:
A dust-collector of the bag filter type to filter and trap dust and other solid material entrained in flue gases uses a plurality of bags suspended in an array to cooperate with a shaking mechanism. Each bag has an open bottom end and is suspended resiliently taut and in communication with an inlet gas-duct at the bottom; the top of each bag is closed and is exposed to a suction line for venting filtered gases. Periodically, rinsing air is fed into the bags from the suction line to dislodge solid particles and dust deposited on the inner walls of the bags; simultaneously, the bags are given a jolting tipping movement by a gang-operated mechanism which may be manual. Each bag has a resilient coil-spring member mounted vertically above the bag; the spring member is clamped by a vertically extending rod which is mounted for pendular movement about a tipping member which is in the form of a horizontal journal-bearing or a bush mounted for oscillatory movement about its horizontal axis, the tipping member and rod forming part of the shaking mechanism. Pendular movement of the vertically extending rod causes a tilting movement of the associated vertically mounted bag. A coupling plate and beam assembly having a multiplicity of slots engages the vertically extending rods of the bags, one in each slot, above the associated coil-spring member; the coupling plate is manually jolted in a stroke as needed using a handle bar which is used to operate the shaking mechanism manually. The beam assembly has a device to limit its stroke. The gang operated shaking mechanism needs an extremely low operating force and is economical.
REFERENCES:
patent: 1747131 (1930-02-01), Parson
patent: 2137254 (1938-11-01), Turnbull
patent: 2143664 (1939-01-01), Snyder
patent: 3877901 (1975-04-01), Snyder
patent: 4217117 (1980-08-01), Syverson
patent: 4261714 (1981-04-01), Peterson
Rietvink Adrianus H.
van Weelden Jan H.
Estel Hoogovens B.V.
Lewis Jon M.
Nozick Bernard
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