DEVICE FOR CLEANING GAS FROM DUST Russian patent published in 2002 - IPC

FIELD: cleaning gas from dust by filtration through bag filters; flour industry, pharmaceutical industry and cement industry. SUBSTANCE: device has working chamber with filtering bags, scavenge air and cleaned gas chambers with regenerative unit and drive mechanism which includes electric motor and switchgear. Regenerative unit of each bag is made in form of stationary nozzle provided with valve with cover; it has air cavity and membrane mechanism; bag is located coaxially above neck; switchgear is arranged outside beyond chamber; it is provided with hollow lever which is rotatable over circle and is secured on shaft of drive; this lever has hole; system of holes is available in switchgear body; these are made in way of rotation of lever and are connected in turn with air cavity under valve cover; membrane mechanism is made in form of solid membrane without hole. EFFECT: enhanced efficiency and reliability. 2 cl, 2 dwg