A variety of purification appliances are becoming a must-have for more and more modern families. How to choose the product that suits you best?
Recently, the provincial quality supervision department organized inspection agencies to conduct quality inspections on household air purifiers and vehicle air purifiers. The results showed that the sampling rate of 55 batches of household air purifiers, the pass rate was 85.5%; 39 batches of car air purifiers, the pass rate was 71.8%. The problem items mainly involve input power and current, signs and descriptions.
It should be noted that if the daily selection is not appropriate, the qualified products will still use various problems. The technicians of the Jiangsu Provincial Cleanroom Metering Quality Supervision and Inspection Center (Suzhou Lab), who is responsible for the sampling inspection, reminded the air purifiers that they should make choices according to different environmental conditions and objects of use. "Dish"; improper use, not only can not improve the purification effect, but also bring secondary pollution.
How to choose a household purifier
Look at the formula two to see the function
Nowadays, there are many kinds of household air purifiers on the market, and the amount of clean air is large and small. Removal of microorganisms, gaseous pollutants and fine particles, different products have different strengths, which makes people pick eyes.
Li Long, the person in charge of the Jiangsu Provincial Cleanroom Measurement Quality Supervision and Inspection Center, said that as the “absolute indicator†of household air purifiers, the clean air volume (CADR) has always attracted the attention of consumers. Different sizes of rooms can choose the right product with a clean air volume. This formula can be used to calculate: "applicable area = clean air volume x k", k value is 0.07-0.12, which is convenient for ordinary consumers to measure when purchasing. Taking a 15 square meter room as an example, it is recommended to choose a purifier with a clean air volume of 105 cubic meters per hour to 200 cubic meters per hour. Too low to achieve a purification effect; too high, it will consume more energy.
At the same time, depending on the place of use and the object of use, the choice of products also has their own particulars. For example, if it is used for the elderly and children, it is recommended to choose a purifier with microbial removal function; if you are staying in a new house, you can choose a purifier to remove gaseous pollutants; if the house is close to the road or the air around the place is not in good condition, choose to remove it. A purifier with strong function of fine particles; if the living environment is damp, choose a purifier with antibacterial and mildewproof function; if there is a pet in the house, you can purchase a purifier that removes allergen function; if the pollution is complicated, Choose a purifier with a comprehensive function of removing fine particles, gases, allergens, etc. at the same time.
When used for a long time, it is not a good practice to close the doors and windows. It should be ventilated at the right time. Because the air purifier continuously purifies the existing air during operation, it cannot introduce fresh air. In addition, the product should be covered when not in use to prevent dust from entering the inside of the fuselage and contaminating the filter screen, shortening the service life of the filter. It is best to take out the filter and store it in a plastic bag.
Car purifier filter material is changed regularly
Ventilation inside the car after high temperature exposure
I feel that the smell of the new car is unpleasant, and many owners will be equipped with a car air purifier. The choice of car air purifiers, also depends on the main pollution source to determine the functional category of the purifier. Usually, gaseous pollutants are emitted from plastics and rubber parts in the car; allergens (microorganisms) are derived from people in the car, animal activities or poor sanitary conditions in the car, and the owner can choose according to their different needs.
In the course of use, the filter material should be changed regularly. Purification capacity of the purifier will be significantly reduced after purifying high-concentration contaminants or long-term use. Filter media with "illness" work will bring secondary pollution.
In addition, in the hot summer days, many car owners are used to immediately closing the doors and windows to open the air. Cool is cool, but it also brings health risks. According to reports, the content of volatile organic compounds such as formaldehyde and benzene released from plastics, rubber parts and leather in automobiles will rise sharply in high temperature environment. Don't think that the air purifier on the car can completely solve the problem of air quality inside the car. When entering the car after the high temperature exposure, the use of the purifier is combined with the ventilation of the window.
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