Air purifier principle.air purifier covid Manufacturing

　　The air purifier is mainly composed of a motor, a fan, an air filter and other systems. Its working principle is: the motor and fan in the machine circulate the indoor air, and the polluted air passes through the air filter in the machine to remove various pollutants. Or adsorption, some types of air purifiers will also install a negative ion generator at the air outlet (the high voltage in the negative ion generator generates a DC negative high voltage during operation), which will ionize the air continuously and generate a large number of negative ions, which are sent out by the micro fan. The negative ion airflow is formed to achieve the purpose of cleaning and purifying the air.

　　Purification principle of passive adsorption filter type (filter purification type)

　　The main principle of the passive air purifier is: use a fan to draw air into the machine, and filter the air through the built-in filter, which can mainly play the role of filtering dust, peculiar smell, toxic gas and killing some bacteria. The filter is mainly divided into: particulate filter and organic filter. The particle filter is divided into coarse filter and fine particle filter.

　　The quality of the fan and filter screen of this type of product determines the effect of air purification. The location of the machine and the layout of the room will also affect the purification effect.

　　Active purification principle (no filter type)

　　The fundamental difference between the principle of active air purifier and the principle of passive air purification is that active air purifier gets rid of the restrictions of fans and filters, instead of passively waiting for indoor air to be drawn into the purifier for filtration and purification. Instead, it effectively and actively releases purification and sterilization factors into the air. Through the characteristics of air diffusion, it reaches all corners of the room to purify the air without dead ends.

　　The technologies for purifying and sterilizing factors on the market mainly include silver ion technology, negative ion technology, low temperature plasma technology, photocatalyst technology and plasma ion group ion technology.

　　Double purification (active purification + passive purification)

　　This purifier is actually a combination of passive purification technology and active purification technology.

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