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In terms of the working principle of air purifier manufacturers , there are three main types: passive, active, and active-passive hybrid.


According to the air purifier's technology for removing particulates from the air, there are mainly mechanical filter type, electrostatic electret filter type, high-voltage electrostatic dust collection, negative ion and plasma methods.


Mechanical filtration


Generally, particles are mainly captured through the following 4 methods: direct interception, inertial collision, Brown's diffusion mechanism, and selection effect. It has a good effect on collecting small particles but has large wind resistance. In order to obtain high purification efficiency, the resistance of the filter is large, and the filter Dense network requirements lead to a reduction in life expectancy and need to be changed regularly.


High-voltage electrostatic dust collection


The dust collection method using high-voltage electrostatic field to ionize the gas so that the dust particles are charged and adsorbed on the electrode. Although its wind resistance is small, it has a poor trapping effect on larger particles and fibers. Constitute secondary pollution.


"High-voltage electrostatic dust collection" is a way to ensure both airflow and adsorption of fine particles. This is a way of charging the particles with a high voltage before passing through the filter element, so that the particles "easily adsorb" to the filter element under the action of electricity.


The high-voltage dust collection part originally applies a high voltage to the two electrodes, and when the two electrodes are discharged, the passing dust is charged. Most of the dust is neutral or weakly charged, so the filter can only filter dust larger than the mesh. However, reducing the mesh of the filter element can cause blockage. The high-voltage electrostatic dust collection method can make the dust charged. Under the action of electricity, it is adsorbed on the specially-processed and permanently charged filter element. Therefore, even if the mesh of the filter element is large (rough), the dust can be captured. Purifier OEM manufacturers with high quality and good service are welcome to buy!

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