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The Development History Of The Air Purifiers
Sep 12, 2018

Air purifier, also known as "air cleaner", air freshener, refers to the ability to adsorb, decompose or convert various air pollutants (generally including dust, pollen, odor, formaldehyde and other decoration pollution, bacteria, allergens, etc.) Products that effectively improve air cleanliness are currently dominated by household and commercial air purifiers that remove indoor air pollution.

The air purifier is a small household appliance professional product used to purify indoor air, mainly solving indoor air pollution problems caused by decoration or other reasons. The use of air purifiers to purify indoor air is an internationally recognized method for improving indoor air quality due to the persistence and uncertainty of the release of pollutants in indoor air.

There are many different technologies and media in the air purifier that enable it to provide clean and safe air to the user. Commonly used air purification technologies include: plasma air purification technology, electrostatic adsorption technology, negative ion technology, negative oxygen ion technology, molecular complexation technology, photocatalytic technology, HEPA high efficiency filtration technology, electrostatic dust collection technology, active oxygen technology, etc.; Mainly include: photocatalyst, activated carbon, synthetic fiber, HEAP high-efficiency material, negative ion generator, etc. At present, the existing air purifiers in the domestic market are mainly composed of a filter type and a composite type, that is, a plurality of purification technologies and material media are simultaneously used.

Birth and development

Air purifiers originated from firefighting purposes. In 1823, John and Charles Dean invented a new type of smoke protection device that allowed firefighters to avoid smoke during firefighting.In 1854, a man named Johns Tenghaus made new progress on the basis of his predecessors: through several attempts, he learned that adding charcoal to the air filter can filter out harmful and toxic gases from the air. .

During World War II, the US government began research on radioactive materials. They needed to develop a way to filter out all the harmful particles to keep the air clean and allow scientists to breathe, so the HEPA filter came into being. In the 1950s and 1960s, HEPA filters were very popular and were very popular with air-raid design and construction personnel.

In the 1980s, the focus of air purification has shifted to air purification methods, such as home air purifiers. Past filters are very good at removing malodors, toxic chemicals and toxic gases from the air, but they cannot remove mold spores, viruses or bacteria, while new home and office rooms use air purifiers to clean not only toxic gases in the air. It can also purify the air and remove bacteria, viruses, dust, pollen, mold spores, etc. from the air.

Nowadays, air purifiers have been designed in many different ways, and every technological change has brought significant effects to the improvement of indoor air quality. And there is only one purpose for all of this: I hope to purify indoor air to improve people's quality of life.

At present, most of the air purifiers on the market are: chassis casing, filter section, air duct design, electric fan, power supply, and liquid crystal display. The life-determining fan is the filter. The filter is determined by the filter section. The airway design, the casing, the filter section and the fan are determined whether it is quiet.