The working principle of the welding smoke purifier

by ash hopper, rotary pulse bag filter, middle and lower housing, etc on the welding smoke purifier by ash hopper, rotary pulse bag filter, middle and lower housing, net of air chamber and blowing ash removal system. Ash hopper to collect, store the bag collection of fly ash. Lower housing, which composed of bag filter to filter space, of which the article number of the filter bag hanging. The filter bag is supported by steel wire welded together filter bag cage. At the top is several filter consisting of perforated plate, used to seal and fixed filter bag. Net was filtered by the filter bag bag clean gas chamber. It is equipped with rotary pulse spray torch. blowing ash removal system welding smoke purifier blowing ash removal system by air tank, large pulse valve, rotary spray torch and drive system. The compressed air system by the pulse valve pulse gas injection filter bags. Rotary pulse bag filter working principle is as follows: filter, with fly ash by flue gas inlet flue, equipped with imported air door in the inlet port, enter filter space, when dusty gas through the filter bag, as a result of the filter bag stranded, make the stranded in the filter bag surface of fly ash, gas after the filter net, the filter bag net inside the valve chamber and ascension, the outlet flue, the induced draft fan into the chimney, eventually exhaust air. As the filtration time prolonged, the appearance of dust filter bag thickening constantly, make the filter bag inside and outside differential pressure increasing, after reaching the pre-set a numerical, PLC automatic control system for signal, lift valve automatically shut off valves, cut off the airflow channel of pulse valve open, make pulse airflow into the filter bag unceasingly, make the filter bag produces vibration, deformation, adsorption on the outside of the filter bag dust, under the effect of external force, the stripping filter bag, fell into the hopper. Stored in the dust hopper by seal valve into the factory to lose ash discharge system.
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