Microcomputer PLC program control is adopted, with three control methods: constant voltage (automatic), timing (automatic), and manual. Constant pressure control: according to the set pressure difference control, dust collector pressure difference exceeds the set value, each room will automatically clean the dust again. Timing control: according to the set time, every other cleaning cycle, each room in turn cleaning again. Manual control: On the site operating cabinet can manually control the automatic cleaning of each room in turn, but also for each room single cleaning. The control mode is selected by the user. If the user has no requirements, the supply is controlled according to timing.

　　dust collector precautions Compressed air device includes storage tank, air compressor station, pipeline pneumatic triplet, etc., dust collector precautions also have air bag, spray pipe, etc. Power source comes from compressed air. Compressed air devices usually use oil-free compressors or common compressors to remove water. However, in order to determine the quality of compressed air, the design of compressed air stations should be as close to the dust collector as possible to avoid condensation in lines. In addition, compressed air station is used as far as possible to determine the stability of compressed air pressure for large pulse precipitator. If it is not possible to design the air compressor station or the air compressor station is not near the dust collector, the compressed air tank should be set near the dust collector equipment, so that the pressure of the compressed air source can be stable. On the other hand, the condensed water generated on the compressed air pipeline can also be discharged regularly through the valve at the bottom of the compressed air tank, so as to determine the quality of the ash source of the pulse dust collector.

　　The operation mechanism of dust collector precautions is that dust particles will be filtered when dust gas is filtered, so that coarse dust is collected by inertia bumping effect with filtering data, and fine dust is collected by dispersion and screening effect. The dust layer of filter material also has filtering effect. With the accumulation of dust on the surface of the filter material, the power and resistance of the dust collector precautions are increased accordingly. When the pressure difference between the two sides of the filter material is very large, some fine dust particles have been attached to the filter material will be kneaded, so that the dust collector precautions power decline. In addition, the resistance of dust collector precautions is too high, the air volume of the dust removal system will decrease significantly. Therefore, dust collector precautions to reach the value of resistance, in time to clean ash. The initial layer can not be destroyed when cleaning to avoid power drop. General new filter material dust removal power is not high enough. Filter material used for a period of time, because of screening, bump, stay, dispersion, electrostatic effect, the surface of the bag accumulated a layer of dust, this layer of dust is called the first layer, in the future movement process, the first layer became the main filter layer of the filter material, relying on the effect of the first layer, large mesh filter material can also obtain better filtering power.

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