FIELD: machine building.
SUBSTANCE: proposed device comprises casing with pipes, filter, swirler, precipitated impurities collection chamber, heater arranged at filter case, porous filtration elements arranged vertically inside the filter and having their top ends secured in tube plate arranged inside filter top part to separate powder-gas flow cleaning chamber from cleaned gas chamber. Swirler is arranged on filter cylindrical shell outer side, between said shell and casing. Device is regenerated by forcing high-pressure gas backflow through the filter. Said high-pressure flow is created by abrupt feed of gas contained at pressure in receiver through porous filtration elements into pre-evacuated working chambers of the filter. Note here that pressure inside said working chamber does not exceed barometric pressure.
EFFECT: efficient filtration, low drag, longer life.
4 dwg
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