BAG FILTER Russian patent published in 2008 - IPC B01D46/02 

FIELD: process flows, filters.

SUBSTANCE: invention is related to gas dedusting. The bag filter contains dust-laden gas pipeline, parallel located sections of filtering bags that include shell, dust collection hoppers connected to the dust-laden gas pipeline, and filtered gas chamber developed in the space between bags. The filtered gas chamber is connected with filtered gas discharge pipeline connected to inlet fitting of fan, which discharge fitting is connected to filtered gas feed line to consumer and to vent line connected to the filtered gas chamber of each section. Filter is also provided with dust-laden gas chamber common for all sections and located above them and connected to filtering bags. The filtered gas feed line and filtered gas discharge line from each section are provided with throttle valve, pressure transducer and flow meter; each vent line is provided with throttle valve and flow meter. Intake of vent line in each section is connected to air manifold made in form of pipes with slot ports located in the filtered gas chamber between bag filters.

EFFECT: increased filtering efficiency of highly dust-laden gases with cocurrent reduced process cost and nonuniformity of filtered gas feed to the consumer.

2 cl, 2 dwg, 1 ex