BAG FILTER FOR DUST TRAPPING Russian patent published in 2010 - IPC B01D46/02 

FIELD: treatment facilities.

SUBSTANCE: invention is intended for trapping of dust from gases and may be used to clean air in various industry fields. Filter comprises body with cover, nozzles for inlet of gas for cleaning and outlet of cleaned gas, device for dust unloading, discharge cavity arranged under filter cover and pressurised with blowdown air, filtering bags installed in filter body, one or several distribution cavities with one control valve for each cavity, which provide for simultaneous blowdown of several filtering bags, at the same time distribution cavities and control valves are arranged in discharge cavity of filter. As control valves they use electromagnetic or pneumatic valves.

EFFECT: reduced costs for structure used to blowdown filtering bags, increased efficiency of filter and its reliability in operation.

2 cl, 3 dwg