Is it necessary to use an air purifier at home?
According to statistics, about 70% of people spend their time indoors, and the average daily intake of air is 12 cubic meters, while urban residents spend about 70%-90% of their time in various indoor environments. Therefore, air quality is vital to human health. We can see the clean ground, the bright furniture, the transparent glass… but we can’t know if the indoor air is clean. In fact, every room space may contain invisible air pollution. According to the World Health Organization (WHO) report, nearly half of the world’s people are exposed to indoor air pollution.
Indoor three types of pollutants
1. Biological pollutants: small in size but wide in diffusion range, fast in speed, easy to cause sneezing, eye discomfort, cough, asthma and other allergic reactions.
Bacteria, viruses: large numbers and widely spread at very rapid speed, easily lead to a variety of diseases.
Fungal spores: It is easy to spread and multiply in the air in humid and warm climates. Long-term exposure can cause allergies and asthma.
Dust, dust mites: Dust is a discomfort for breathing, and it is a hotbed of dust mites and fungi. Dust mites are active small insects that often grow on mattresses, sheets and furniture or are suspended in the air to increase the chance of asthma.
Pollen: Flowers in the outdoors and even in the vases produce pollen, which can cause significant discomfort in the respiratory tract, eyes and skin after inhalation.
Pets and human hair and dandruff are very small, easy to enter the human respiratory system, and provide favorable conditions for dust mites and fungi reproduction.
2. Odor: from pets, cooking, garbage and human body. The odor is unpleasant, affecting the home life and the neighborhood environment.
3. Chemical contaminants: from cigarettes, decoration works, cleaning supplies and furniture, prolonged contact with skin, nerves and respiratory tract, causing health risks.
Second-hand smoke: It has been identified as a human Class A carcinogen by the US Environmental Protection Agency and the International Agency for Research on Cancer. It contains hundreds of toxic substances and carcinogens such as carbon monoxide and formaldehyde. It is especially harmful to children whose lungs are still developing.
Formaldehyde: Plywood, pressboard, urea-formaldehyde finished products and flooring from everyday furniture are classified as harmful carcinogens. High concentrations of formaldehyde can irritate the eyes, nose and respiratory system, and in severe cases can cause asthma.
Benzene series: including benzene, toluene, xylene, etc., some of which are identified as carcinogens by the World Health Organization. Mainly from a variety of building materials organic solvents, such as paints, coating additives and wallpaper, carpets, synthetic fibers. Long-term exposure can cause chronic poisoning, neurasthenia and blood system symptoms. In severe cases, aplastic anemia can occur, even leukemia and death.
Helium: from mud, rock and granite. Hernia is colorless, tasteless, and hard to detect. The products of hernia decay will accumulate in the lungs, which is the second source of lung cancer, ranking second only to smoking.
Air purifiers, also known as “air cleaners”, air purifiers, purifiers, are capable of adsorbing, decomposing or converting various air pollutants (generally including PM2.5, dust, pollen, odor, formaldehyde, etc.). , bacteria, allergens, etc., products that effectively improve air cleanliness, mainly divided into household, commercial, industrial, and building.
The air purifier is mainly composed of a motor, a fan, an air filter and the like. The working principle is as follows: the motor and the fan in the machine circulate the indoor air, and the polluted air passes through the air filter in the machine to remove various pollutants. Or adsorption, some models of air purifiers will also be equipped with a negative ion generator at the air outlet (the high voltage in the negative ion generator generates DC negative high voltage when working), the air is continuously ionized, a large amount of negative ions are generated, and is sent by the micro fan. The negative ion airflow is formed to achieve the purpose of cleaning and purifying the air.
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