Air purifier principle

Air purifier principle

Although our economy has developed rapidly, as the pollution has become more serious, our air has been greatly affected, so it may become difficult to have fresh and clean air, so this is the point. In terms of life, air purifiers are very important.

air purifier
Air purifier, also known as “air cleaner”, is a product that can adsorb, decompose or convert various air pollutants and effectively improve air cleanliness. It has the functions of regulating temperature, automatically detecting smoke, filtering dust, eliminating odor and harmful. Gas, double sterilization, release of negative ions and other functions, currently used to clean indoor air pollution domestic and commercial air purifiers; it is a micro-fan (also known as a fan) inside the machine to circulate indoor air, polluted air through After the air filter in the machine (two times of filtration), various pollutants are removed or adsorbed, and then the air is continuously ionized by a negative ion generator installed in the air outlet (the high voltage generated in the negative ion generator during operation generates a DC negative high voltage). A large number of negative ions are generated and sent by a micro fan to form a negative ion airflow to clean and purify the air, thereby providing a “microclimate environment” similar to fresh air in nature.
Air purifier principle

air purifier
Although the working principle of the air purifier is different in name, type, brand, and function, it traces back to the root cause. From the working principle of the air purifier, it is mainly divided into two categories:

The first category: passive adsorption filter air purification principle
The passive air purifier uses a fan to pump air into the machine and filters the air through the built-in filter to filter dust, odor, and disinfection. This type of filter-type air purifier uses HEPA filter + activated carbon filter + photocatalyst (cold catalyst, multi-catalyst) + ultraviolet disinfection + electrostatic adsorption filter to process air. The HEPA filter has filter dust particles. The role of other activated carbons is mainly to absorb odors. Therefore, it can be seen that there are various types of labels on the market with fan filters, photocatalysts, ultraviolet rays, static electricity, and the seemingly chaotic best air purifiers. The principle is basically the same, both passive adsorption filter air purification.

The second category: active air purification principle
Dual purification air purifiers and active air purifiers on the market and generally only one active purification technology. At present, there are mainly silver ion purification technology, negative ion technology, low-temperature plasma technology, photocatalytic technology, and plasma ion group technology. The fundamental difference between the active air purification principle and the passive air purification principle is that the active hot sale air purifier is free from the limitations of the fan and the filter screen, and is not passively waiting for the indoor air to be pumped into the purifier for filtration and purification, and then It is discharged through the fan, but it effectively and actively releases the purification and sterilization factor into the air. Through the diffuse nature of the air, it can reach the corners of the room and purify the air without dead angle. At present, the more active purification technology in the technology mainly uses negative oxygen ions as a purification factor to treat air and ozone as a purification factor to treat air. These two are typical air purifiers that work based on the principle of active purification.
Air purifier

air purifier
Air purifiers are useful for us to purify the air. The four points of the air purifier are described below.

1, can decompose volatile organic compounds:
It can effectively decompose harmful chemicals such as benzene, formaldehyde, and VOC (harmful volatile organic compounds);

2, can eliminate odor:
It can effectively eliminate the odor of decoration, irritating odor through human body breathing, sweat, mildew, rot and so on;

3, can settle the inhalable particles:
It can settle respirable suspended particulates such as dust, smoke, dander, solid carbides, and ions generated at the same time can eliminate particulate matter (PM2.5) in the air.

4, can effectively kill harmful microorganisms:
It can kill pathogenic microorganisms such as bacteria, mold, Legionella, hepatitis virus, influenza virus, avian influenza virus, SARS virus, etc., and common in the air (range: 0.01 to 10 microns).
How to use the air purifier

air purifier
Proper use is also very important for the life of the air purifier and the effectiveness of its use.

1. Always turn on the air purifier to clean the air at home. It works best with the air conditioner. Use the time switch when leaving the room.
2. When the cleaning signal light is on, it indicates that the dust collection is full, and the dust collecting plate should be cleaned.
3, the purifier should be placed in a dry and ventilated place, 15 square meters of room, boot 2 hours a day.
4. When using air purifiers to treat respiratory diseases, it should be carried out under the guidance of a doctor.
5. When the air purifier is energized, direct contact should be avoided because the voltage is high to prevent electric shock. When breathing as a disease, it should be more than 0.3 meters from the outlet.
6. When the purifier is not in use, unplug the power plug and do not turn it on to prevent accidents.

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