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Pulse dust collector

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The dust collector is mainly composed of an upper box body a middle box body an ash hopper an air inlet equalizing pipe a support filter bag an injection device and an ash discharge device. Dust-containing gas enters the ash hopper of each sub-chamber from the air inlet equalizing pipe of the dust collector and under the guidance of the ash hopper guide device large particles of dust are separated and directly fall into the ash hopper while the finer dust enters evenly The middle box is adsorbed on the outer surface of the filter bag and the clean gas penetrates the filter bag into the upper box and is discharged into the atmosphere through the off-line valves and exhaust pipes. With the progress of the filtering conditions the dust on the filter bag accumulates more and more. When the equipment resistance reaches a limited resistance value (generally set to 1500Pa) the dust cleaning control device sets the differential pressure or the dust cleaning time. After the set value is automatically closed the off-line valve of the first room is opened and the electronically controlled pulse valve is opened according to the set procedure to stop the air blowing. The compressed air is instantly blown to increase the pressure in the filter bag and the dust on the filter bag is shaken off. (Even if sticky fine dust can be removed more thoroughly) into the hopper it is discharged by the ash discharge mechanism.

The working principle of the dust collector: the dust-containing gas enters the filter room from the open flange at the lower part and the coarse particles fall directly into the ash bin. The dust-containing gas is filtered by the filter bag and the dust is retained on the surface of the bag. The air chamber is exhausted into the atmosphere by a fan. When the dust on the surface of the filter bag continues to increase the program controller starts to work and the pulse valve is opened one by one so that the compressed air is blown through the nozzle to clean the filter bag so that the filter bag suddenly expands. The dust quickly leaves the filter bag and falls into the ash bin and the dust is discharged from the ash discharge valve.

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