The principle of dust removal Bag Filter The working principle of the Dust Collector is as follows: the dust gas is entered into the filter chamber by the open flange of the lower part, the coarser particles fall directly into the ash bin, the dust gas is filtered through the filter bag, the dust is kept in the bag table, the net gas is passed through the bag to the air cleaning chamber, and the air is discharged into the air by the fan. When the dust on the surface of the filter bag is constantly increasing, the program control instrument begins to work, and the pulse valve is opened one by one to make the compressed air blowing and blowing the dust through the nozzle, so that the filter bag is suddenly expanded. Under the action of the reverse flow, the dust of the bag table is quickly separated from the filter bag and falls into the ash bin, and the dust is discharged by the dust relief valve. The dust collector is mainly composed of upper box, middle box, ash hopper, air inlet current sharing pipe, bracket filter bag, injection device and ash unloading device. The dust gas from the inlet of the dust collector enters the ash hopper in the separate chamber, and the large particles of dust are separated and directly fall into the ash bucket under the diversion of the bucket guide device, and the fine dust is evenly entered into the central box and adsorbed on the outer surface of the filter bag, and the clean gas filter bag enters the upper box and passes through the off-line valves and the valves. The exhaust pipe is discharged into the atmosphere. As the filter condition goes on, the dust on the filter bag is accumulated more and more, when the equipment resistance reaches the limited resistance value (generally set as 1500Pa), the electric control pulse valve is opened according to the setting program and the air blowing and blowing is carried out by the setting program after the control device is automatically closed to the off-line valve according to the differential pressure setting value or the setting value of the ash cleaning time. The instantaneous injection of compressed air makes the pressure in the filter bag increase, and the dust on the filter bag is shakes off (even if the fine dust can also be cleaned thoroughly) to the ash bucket, the dust removal mechanism is discharged.
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