Air purification technology and air purifier information.portable air purifier

　　Air purification devices can be classified according to the types of pollutants (particulate and gaseous pollutants) they are designed to remove.

　　According to the types of air pollutants to be controlled, air purifiers can be divided into:

　　1) Air particle purifier;

　　2) Air chemical agent and odor purifier;

　　3) Air biological purifier.

　　According to the purification principle of air purifiers, air purifiers can be divided into two categories:

　　1) Dilution air purifier, that is, output a certain amount of purified air through the air purifier to dilute the polluted air in the room to achieve a certain air purification effect. The high-flow air purifier corresponds to a highly clean indoor air environment. For example, laminar flow technology is the highest standard dilution purification technology. Through hundreds of air changes and directional air flow to dilute air pollution, the highest air purification effect of the dilution method can be achieved.

　　2) The concentration method air purifier can achieve air purification even if the physical or chemical factors that have the air purification effect in the controlled ambient air reach a certain concentration. Such as ozone air purifier and ion air purifier. The purification effect of the concentration method air purifier is related to the concentration of the air purification factor, and has a small correlation with the flow rate. High-concentration indoor air purification factors correspond to high-purity room air. For example, a high concentration of negative ion air environment corresponds to a highly sterile and fresh indoor air environment. Obviously, compared with the dilution method, the air purification and concentration method can significantly reduce operating energy consumption and construction investment, and there is almost no requirement for the building space (building height, computer room) of the target environment.

　　Air purification devices can remove particles in the air: mechanical air filters and electronic air purifiers.

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