DUST COLLECTION SYSTEM Russian patent published in 2009 - IPC B04C7/00 

FIELD: technological processes.

SUBSTANCE: invention concerns gas treatment systems. Dust collection system includes source of gas to be cleaned, fan, pipes and three dust collectors at oncoming swirl gas flows, each collector made in the form of cylindrical case with conical tank, tangential top inlet pipe, inlet swirler in bottom inlet pipe, and dust-screening conical disk at its outer surface, with axial outlet pipe for cleaned gas and dust discharge pipe in which flood gate is mounted. Conical tanks of first and second dust collectors have dust and gas mix discharge pipes. Source of gas to be cleaned is connected to the fan inlet, fan delivery nozzle is connected by pipes with dampers to tangential inlet pipes and inlet swirlers of first and second dust collectors, axial outlet pipes of which enter open air. Dust and gas mix discharge pipes of conical tanks of first and second dust collectors are connected by pipes with dampers to tangential inlet pipe and inlet swirler of third dust collector, axial outlet pipe of which is connected over a damper to pipe connecting source of gas to be cleaned to the fan inlet.

EFFECT: efficient treatment system for large gas volumes.

1 dwg, 1 ex