BAG FILTER Russian patent published in 2002 - IPC

FIELD: cleaning gases from radioactive dust. SUBSTANCE: bag filter includes housing 1 dust-laden gas chamber 3 and detachable cleaned gas chamber 4 which are separated by bag grate 2. Dust-laden gas chamber 3 is provided with inlet branch pipe 5, dust accumulating bin 6 with dust discharge branch pipe 7 and bag tensioning unit. Cleaned gas chamber 4 includes outlet branch pipe 9 and pulse regeneration unit effected by blow with compressed air; this unit includes receiver 10, electromagnetic valves 11, blow manifolds 12 and ejecting attachments 13. Detachable filter bags 16 are manufactured from high-temperature acid-proof mineral fibrous filter material and are provided with spacer rings located on outside surfaces of bags. Filter bag tensioning unit is made in form of horizontal lattice frame 19 with blanks 18 secured on it; it is provided with vertical rod 20 whose upper end is fitted with remote stop 21. Lower end of this rod passes through seal 22 found in bottom of dust-accumulating bin 6; it is provided with quick-detachable joint with adjustable spring-loaded pusher 23. Upper end of rod 20 is secured to cargo grip 14 by means of flexible suspension 26. EFFECT: simplified construction; reduced labor consumption; enhanced reliability; enhanced radiation safety. 2 cl, 2 dwg