BAG FILTER Russian patent published in 2002 - IPC

FIELD: cleaning of air and gases from dust and other finely divided particles; applicable in various industries, mainly, in grain processing. SUBSTANCE: bag filter has a casing separated by partition into chambers for pure and dust-laden air or gas, internal lining, filter bags on frames inside dust-laden air chamber secured to mounting grid and unit of Verturi tubes whose number equals of bags, conical receiver-bottom, inlet pipes for supply of dust-laden air to cleaning surfaces and outlet pipes for discharge of cleaned air, system of bag pulse regeneration with membrane valves and box for compressed scavenging air and control device of valves. Each bag and Venturi tubes have antistatic shields made of band-shaped metal foil of preset shape. The casing lining is made in the form of multilayer coating with definite roughness. EFFECT: reduced labor input and material expenditures in bag filter manufacture and operation, safe operation and maintenance with increased efficiency. 9 cl, 5 dwg