Nowadays, if we walk on the road, we can see dust everywhere, especially in some construction sites. If our body inhales this dust, it will have a great impact on our lung function. Therefore, in order to avoid the threat to human health, some projects will choose to use large environmental dust collector for dust removal.
Selection of large-scale environmental protection dust collector: large and medium-sized dust collectors give priority to satin (or twill) woven filter media, special occasions can also be used to choose the base cloth reinforced thin needle felt filter media. Small dust collector priority selection of wear-resistant, breathable thin needle felt filter media, unit area quality of 350~400g/m2, can also be used latitude two or double fabric filter material. Bag filter due to dust removal energy, dust filter bag deformation and other different characteristics, the use of different structural varieties of filter materials.
When the dust on the surface of the filter bag increases, resulting in equipment resistance rises to the set value, the time relay output signal, the program controller begins to work, one by one, open the pulse valve, so that the compressed air through the nozzle blowing filter bag, in the reverse airflow, the dust attached to the surface of the filter bag quickly from the filter bag into the dust hopper, dust from the ash discharge valve discharge. After all the filter bags are cleaned, the pulse dust collector resumes normal work.
Selection and working principle of large environmental protection dust collector
In normal operation, under the action of the system fan, the dusty gas is sucked into the inlet pipe, evenly distributed to each inlet chamber through each inlet branch pipe, and then rushed into the filter bag. The surface of the filter bag retains a large amount of dust, and the airflow is purified by the filter bag. The purified airflow through the bag room along the pipeline through the fan into the chimney, discharged into the atmosphere.
With the thickening of the dust attached to the surface of the filter bag fabric, the resistance of the dust collector continues to rise, the need for regular dust removal, so that the resistance is reduced to a certain lower limit, the dust collector can operate normally. The whole dust removal process is mainly completed by the high-pressure air storage bag, electromagnetic valve, nozzle and dust removal control mechanism. First of all, the control system automatically dials the solenoid valve in sequence, and the high-pressure air is blowing back through the blowing pipe, so that the dust adhering to the filter bag is impulsively dislodged and enters the ash hopper. Then the solenoid valve is closed, the ash-cleaning system, and the filter bag returns to the filtering state. The control system opens other solenoid valves to clear other filter bags. All the filter bags go through the dust removal cycle to achieve the purpose of dust removal. The dust collector completely restores the filtration state, and the dust in the dust hopper is collected by the bottom dust removal mechanism.
The selection method and working principle of large-scale environmental protection dusting machine is introduced above, the use of large-scale environmental protection dusting machine can greatly reduce the generation of dust, but the dusting machine should also pay attention to the maintenance work, because most of the time to clean the dust, which is easy to lead to dust into the machine, affecting the normal operation.
Hefeng Machinery Group focuses on the development and application of surface treatment industry for more than 20 years, corona machine, corona treatment machine, plasma machine, static generator, static eliminator, dust removal machine, UV curing, UV power supply, electronic UV, UV light box, plasma treatment system, vacuum plasma, spark machine, plasma treatment, flame treatment machine, electronic spark machine, EDM impingement machine, surface treatment machine, polymer Surface Flowering Machine, UV lamp, UV transformer, and so on. It is a national high-tech enterprise integrating R&D, production and sales.
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