RECOVERABLE FILTER TO CLEAN AIR OF RADIOACTIVE DUST Russian patent published in 2012 - IPC B01D46/10 

FIELD: process engineering.

SUBSTANCE: invention relates to cleaning gases of solid aerosols and may be used in various fields for dust collection, particularly, in nuclear power engineering to clean air of radioactive dust removed from process equipment cases. Proposed filter comprises cylindrical casing with outlet branch pipe, filtration element with open top end face arranged inside said casing and aligned therewith. Annular electromagnet with moving ring from magnetic material rigidly secured atop said casing and aligned therewith, and detachable dust collector attached to casing bottom flange. Besides, filter is provided with elastic diaphragm with central air passage tightly secured on casing top flange. Filtration cartridge is pressed to diaphragm from below while outlet branch pipe with ring fitted thereon is secured thereto from above. Said ring is rigidly secured to branch pipe and electromagnet.

EFFECT: higher efficiency, simple design, ease of manufacture, reliability and longer life.

2 cl, 2 dwg