捕鱼大作战

Filter Dust Collector Selection Technology and Dust Removal Process-Novo Environmental Protection Equipment

诺和布袋除尘器
  • 布袋除尘器多种行业解决方案
  • 除尘布袋厂家直销

Filter cartridge dust collector selection technology and dust removal process

Source: Novo environmental protection equipment Release time: 2019/6/10 8:56:52
滤筒除尘器选用技术及除尘过程
There are two types of traditional dust removal methods for filter cartridges, one is high pressure air blowback, and the other is pulse air blow. Practice shows that the former has the advantage of uniform air flow and the disadvantage is large air consumption.
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Filter Dust Collector Selection Technology
4.1 Ash cleaning device
There are two types of traditional dust removal methods for filter cartridges , one is high pressure air blowback, and the other is pulse air blow. Practice shows that the former has the advantage of uniform air flow and the disadvantage is large air consumption; The small air volume has the disadvantage of weak air flow. To this end, improvements can be made in two aspects: on the one hand, a diversion device is added to the pulse blowing tube to enhance the airflow induction effect; on the other hand, the upper airflow duct of the filter cartridge is cancelled, so that the pulsed airflow and the induced airflow fully enter the filter cartridge at the same time. . After the improvement, the air consumption is less, the air flow is uniform, and the ash cleaning effect is good. According to calculations, the ash cleaning air flow after the technical improvement is 3 to 5 times the pulse air volume.
4.2 Gas distribution plate
The air distribution of the filter cartridge dust collector is very important. Consider how to avoid the high abrasion area of the filter material due to the high wind speed at the equipment inlet. The air distribution plate is required for the filter cartridge dust collector , and the air distribution must be very stable and uniform. It is conducive to the rise of the air flow and the decline of the dust, and the opening rate of the air distribution plate is 35%. According to the calculation, the drag coefficient is <2, and it can be seen that the porous air distribution plate can meet the requirements of the filter cartridge dust collector when the air velocity is <0.8m / s.
Filter cartridge dust removal process
1. Capture and separation process
① The capture transition stage. The essence is the dust concentration stage. The dust uniformly mixed or suspended in the carrier medium enters the dust removal space of the dust collector . Due to the external force, the dust is moved to the separation interface. As the dust moves toward the separation interface, the concentration becomes larger and larger, which further prepares for solid-gas separation.
② Separation stage. After the high concentration of dust flows to the separation interface, there are two mechanisms: one is the ability of the carrying medium to carry the dust, and the tendency of the suspension and sedimentation of the dust is dominated by sedimentation, and the dust is settled from the carrying medium Second, in the high-concentration dust flow, the diffusion and agglomeration tendency of the dust particles is mainly agglomeration, and the particles can agglomerate with each other, or they can agglomerate and adsorb at the substantial interface.
2.Dust extraction process
After the separation interface, the separated dust is discharged through the dust outlet.
3.Exhaust process
The process of exhausting the relatively clean airflow from the exhaust port after dust removal


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