How to choose and use air purification and disinfection machine correctly

May 06 12:40 2021

The air purification and disinfection machine is a machine for air disinfection and sterilization. In addition to killing bacteria, viruses, molds, spores and other so-called disinfection, some models can also remove indoor air formaldehyde, phenol and other organic pollutants, PM2.5, and can also kill or filter pollen and other allergens. At the same time, it can effectively remove the smoke and smell of smoking, bad smell of toilet and human body odor. At present, household and commercial air purifiers are the main products to effectively improve air cleanliness.

Air purification and disinfection machine is used to purify the indoor air of small household appliances, mainly to solve the indoor air pollution problems caused by decoration or other reasons. Because the release of pollutants in indoor air has the characteristics of persistence and uncertainty, the use of air purification and disinfection machine to purify indoor air is an internationally recognized method to improve indoor air quality.

There are a variety of different technologies and media in the air purification and disinfection machine, so that it can provide users with clean and safe air. Common air purification technologies include: low temperature asymmetric plasma air purification technology, adsorption technology, negative ion technology, negative oxygen ion technology, molecular complexation technology, photocatalyst technology, HEPA high efficiency filtration technology, electrostatic dust collection technology, active oxygen technology, etc.; material technology mainly includes: photocatalyst, activated carbon, synthetic fiber, heap high efficiency material, negative ion generator, etc. At present, most of the existing air purifiers in the domestic market are composite type, that is, a variety of purification technologies and materials are used at the same time.

Now, the air purification and disinfection machine has a variety of different design and production methods, and each technological change has brought remarkable effects for the improvement of people’s indoor air quality. But all these purposes have only one: hope to purify indoor air to improve people’s quality of life.

At present, most of the air purification and disinfection machines on the market are mainly composed of: chassis shell, filter section, air duct design, motor, power supply, LCD, etc. It is the motor that determines the service life, the filter section that determines the purification efficiency, and the air duct design, case shell, filter section and motor that determines whether it is quiet or not.

Maintenance of air purification and disinfection machine

The performance of the air purification and disinfection machine is mainly determined by the clean air output ratio. The larger the clean air output ratio is, the higher the purification efficiency of the purifier is.

In order to make the indoor air quality reach a certain clean standard, the air purification and disinfection machine has two necessary rigid indexes: 1. It must ensure that the indoor air reaches a certain ventilation frequency (5 times in the world); 2. The primary purification efficiency of the air purifier must be relatively high. If indoor pollution sources continue to produce, these two rigid indicators of the air purifier can keep indoor pollutants at a lower concentration.

A、 It is necessary to ensure that the indoor air reaches a certain ventilation frequency, that is, the fan inside the air purification and disinfection machine is required to have a certain air volume. International standard is to ensure that: in the applicable area, 5 air changes per hour.

B、 The primary purification efficiency of air purification and disinfection machine must be relatively high. The higher the purification efficiency (Cadr), the better the air purification machine will be. There are three indexes for the value of purification efficiency (Cadr)

1. Solid particles, also known as dust, are usually simulated by cigarette in China, so they are also called smoke

2. Volatile organic compounds (VOCs), usually toluene as the test source.

C. Formaldehyde (formaldehyde) due to the general air purification disinfection machine for dust removal effect is very obvious, but for volatile organic compounds and formaldehyde removal effect is not as good as dust, so many businesses only mark dust Cadr.

Maintenance of air purification and disinfection machine

The maintenance of air purifiers depends on different brands and types of air purifiers. However, in general, the maintenance is relatively simple. Generally, (1) if the front filter screen (usually the back cover of the chassis) is used for a long time, there will be some dust, which will affect the air inlet and the effect of air purification. Therefore, you need to use a vacuum cleaner to clean the dust, or use a rag to clean it, or even wash it with water. (2) Filter, part of the filter is the need to get the sun on a regular basis to dry, purification efficiency can be better maintained, such as activated carbon filter. (3) Deodorization filter screen is the deodorization filter screen of a few brands of air purifiers. In order to achieve the washable technical level, it can be washed by water, that is, to maintain the purification efficiency and extend the cycle of changing filter screen. (4) Ion generator, generally built-in, does not need cleaning, better ion generator work efficiency is higher.

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