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Air purifier structure: composition and functions

Time of release: 2023-10-07 03:10:03

An air purifier is a common household appliance used to purify indoor air and improve indoor air quality. It consists of multiple components, each with a specific function. This article will introduce the structure of the air purifier and the functions of each component in detail to help readers better understand its working principle.



Part 1: Pre-Filter
The pre-filter of the air purifier is located at the air inlet and mainly captures large particles of dust, hair, pollen and other substances through mesh or fibrous materials. The function of the pre-filter is to block these large particles to protect subsequent filters from clogging.


Part 2: High efficiency filter
A high-efficiency filter is one of the most important components of an air purifier. It usually uses a HEPA (High Efficiency Particulate Air) filter element, which can effectively remove small particles in the air, such as bacteria, viruses, dust mites, smoke particles, etc. The filtration efficiency of the HEPA filter is as high as 99.97%, which can ensure that the indoor air is thoroughly purified.


Part 3: Activated Carbon Filter
As one of the key components of air purifiers, activated carbon filters are mainly used to remove odors, harmful gases and volatile organic compounds (VOCs) in the air. Activated carbon material has great adsorption capacity and can effectively absorb and decompose pollutants in the air, ensuring that the indoor air is fresh and odor-free.


Part 4: UV disinfection device
Some high-end air purifiers are also equipped with ultraviolet disinfection devices. Ultraviolet rays have strong sterilization ability, which can effectively inactivate bacteria and viruses in the air and improve the hygiene level of the air. This device is usually installed at the air outlet of the air purifier to ensure that the filtered air is cleaner.


The structure of an air purifier consists of multiple components, each of which performs a specific function. The pre-filter is used to capture large particles, the high-efficiency filter removes tiny particles through the HEPA filter, the activated carbon filter is used to absorb odors and harmful gases, and the ultraviolet disinfection device can sterilize and disinfect. The synergistic effect of these components enables the air purifier to effectively improve indoor air quality and provide people with a fresh and healthy living environment.


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