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How does the air filter catch dust particles when it is working?

Views:0     Author:Site Editor     Publish Time: 2021-02-28      Origin:Site

The dust controlled and filtered by clean technology is generally 0.1--10μm dust particles with small particle size, including solid particles and liquid particles; the organic particles suspended in the atmosphere include microorganisms, plant pollen, fluff and fluff. The main control of air purification is dust particles. Because microorganisms are mainly attached to dust particles, the effective control of dust particles in the air is beneficial to the control of bacteria, fungi and viruses in the air. Generally, the filtration efficiency of ordinary high-efficiency filters for dust particles can reach 99.996%, which can basically meet the filtration and purification requirements of biological clean rooms.

air filterThe capture of dust particles during work mainly uses the following five effects:

1. Interception effect: When a particle of a certain size moves near the surface of the fiber, the distance from its centerline to the surface of the fiber is less than the particle radius, and the dust particles will be intercepted by the filter fiber and deposited.

2. Inertia effect: When the particle mass is larger or the speed is faster, due to inertia, it collides with the fiber surface and deposits.

3. Diffusion effect: The Brownian motion of particles with small diameters is stronger and easy to collide on the surface of the fiber. ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

4. Gravity effect: When particles pass through the fiber layer, they are deposited on the fiber due to gravity sedimentation.

5. Electrostatic effect: Fibers or particles may be charged, resulting in an electrostatic effect that attracts particles, and the particles are attracted to the surface of the fiber.

As more and more dust is collected, the filtration efficiency of the filter layer also decreases, and the resistance increases; when a certain resistance value is reached or the filtration efficiency cannot meet the purification requirements, the filter needs to be replaced in time. Ensure the requirements of purification and cleanliness.

Shandong snyli Purification has more than 10,000 square meters of independent workshops and more than 3,000 square meters of dust-free production workshops. Its production capacity ranks in the forefront, with a complete and scientific quality management system and strong technical force. The air filter produced is of high quality and the quality is guaranteed. If you need an air filter, please feel free to contact us at 400-688-3551! snyliPurification is looking forward to your inquiry!


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