BAG-TYPE FILTER Russian patent published in 2002 - IPC

FIELD: cleaning gases from solid admixtures; metallurgy, chemical and food-processing industries, construction engineering, etc. SUBSTANCE: bag- type filter has housing with filter sections located symmetrically inside it; dust-laden gas manifold between filter sections horizontally in lower portion and cleaned gas manifold runs in upper portion. Each filter section includes dust-laden gas chamber with set of filter bags oriented vertically; cleaned gas chamber is located at the top and dust collecting bin is located at the bottom; dust collecting bin is communicated with dust-laden gas manifold through slotted passage located between them. Besides that, provision is made for filter bag regeneration system. Side partitions between dust-laden gas manifold and dust-laden gas chambers are perforated. Ratio of passage area of holes in partitions of dust-laden gas manifolds and section of slotted passage in each filter section is about 1:1. Filter bag regeneration system includes one compressed gas receiver connected with purging pipes through electrically-driven diaphragm valve; purging pipes are provided with nozzles. Flow sections of regeneration system are made at definite rations. EFFECT: enhanced intensification and efficiency of gas cleaning procedure; enhanced reliability of bag-type filter. 4 cl, 1 dwg