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The misuses of air purifier
Sep 03, 2018

In recent  years, smog has frequently erupted in winter, and a large amount of  harmful substances such as sulfur dioxide, nitrogen oxides and heavy  metals are contained in the smog, which is extremely harmful to human  health, especially for the elderly and children with poor resistance. Words. At  the same time, indoor air pollution problems such as interior  decoration and cooking have existed for a long time. Many households  have adopted air purifiers as a standard for quality life. But as long as you buy an air purifier, would you? In  fact, many consumers have different levels of misunderstanding in the  use of air purifiers, and some misunderstandings may even bring  secondary pollution. Let's talk to you about the misunderstandings of air purifiers.


Myth 1: No matter how big the house is, one is enough.


Due to the  lack of understanding of the air purifier, some people think that it is  enough to have a small air purifier in the house. In  fact, the air purifier has a corresponding applicable area, which is  similar to the air conditioner, except that the air conditioner is  different in size.

Some air purifiers on  the market have clearly marked applicable areas. If not marked, the  purifying area of the air purifier can also be calculated from the CADR  value (clean air volume) of the product: applicable area = CADR* (0.07) ~0.12),  the corresponding CADR value can be calculated for the actual  purification area, and then the consumer can select the air purifier  product. In general, large-sized rooms may be considered to have a corresponding air purifier in the number of rooms.


Myth 2: Air purifier is placed against the wall


After have purchased an air purifier, many consumers will choose to  place the air purifier against the wall due to the layout of the home or  the specific principle. In fact, the air purifier needs to be placed at a different position depending on the air inlet of the air outlet.

However,  the position of the air purifier still needs to be kept at a certain  distance from the wall surface, so that the air inlet and the air outlet  can maintain good air circulation and sensor sensing. For  the average family, there are more viruses or particles deposited in  the lower place, and the machine can achieve the best filtration effect,  leaving a certain space around to ensure air circulation, which is  conducive to improving air purification efficiency.


Myth3: Put the humidifier next to the purifier


After have purchased an air purifier at home, many friends will also  purchase a humidifier to avoid the winter room being too dry. When using an air purifier, turn on the humidifier at the same time. In  fact, it has been found that if the humidifier is placed next to the  air purifier, the indicator light of the purifier will be alarmed, and  the air quality index will rise rapidly. It seems that the two will  interfere with each other.

In fact, this is  because the water added to the humidifier is not pure water, but tap  water. Since the tap water contains more minerals and impurities, the  chlorine molecules and microorganisms in the water may be blown into the  air with the mist sprayed from the humidifier. Form a source of pollution. If the tap water has a high hardness, the water mist may have white powder and may pollute the indoor air. Therefore,  it is recommended that if you need to turn on the humidifier and air  purifier at the same time, be sure to leave enough distance.


Myth 4: The distance between the air purifier and the person is close


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When the air purifier is working, due to its working principle, the harmful gases around the air purifier are actually more. Therefore, do not place it too close to people, but also should be properly raised to avoid contact with children.

Moreover,  an air purifier such as an electrostatic adsorption type can prevent  airborne pollutants from being adsorbed on the electrode plates during  operation. However, if the design is not reasonable enough,  a small amount of ozone will be released, and more than a certain  amount will stimulate the respiratory system. When using  this air purifier, it is best not to stay in the room, and to close it  after entering the house, because ozone can be quickly restored in space  and will not remain for a long time.


Myth 5: Do not change the filter for a long time


Many people  in the process of using air purifiers often overlook the life cycle of  the air purifier filter and the use of cleaning. Since the  filter has a certain degree of saturation, during the operation of the  air purifier, the purification function will gradually decrease as the  adsorbate increases. Moreover, after the filter is  saturated, the particles adsorbed on the filter screen will become a  hotbed of virus pathogens, which will multiply and breed bacteria. If it  is not replaced for a long time, it will not only purify the effect,  but will release harmful substances. "Pollution source", causing secondary pollution.

However,  many brands of air purifiers on the market now have smart reminders to  replace the filter screen and clean the prompt function, and must be  replaced in time when it needs to be replaced. However, the  cleanable filter screen like the primary filter screen is recommended  to be cleaned regularly. After all the adsorption, the purification  effect will be worse, and the life of the rear filter will be reduced to  some extent.


Myth 6: Haze genius needs to use air purifier


The hot sale of air purifiers is mainly caused by the continuous smog weather, but not only the smog is pollution. In  fact, in many cases, indoor air pollution is far more terrible than  smog. As early as 2011, the World Health Organization pointed out that  indoor air is 5-10 times higher than outdoor air pollution. For  example, bacteria, viruses, pollen, dust, odor, bacteria, and chemical  gases suspended in the air can cause adverse effects on the human body  and even seriously threaten human health. In particular,  new homes that have just been renovated are even more harmful to  vulnerable people such as the elderly and children with poor resistance.

Of  course, if the outdoor air is good, it is recommended that the room be  ventilated and ventilated, and maintain a certain humidity so that fresh  air can flow indoors. Sometimes this effect is more effective than opening an air purifier all year round.


Myth 7: No smell in the room means the air is very clean


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The indoor  air standard is a comprehensive measure of the content of inhalable  particulate matter, harmful gases, odors and bacterial viruses. It is  not reasonable to determine the air quality by odor alone. In  addition to the large particles and odors that are easily felt on the  surface, formaldehyde, benzene, radioactive cesium and other undesirable  gases are colorless and odorless, and will only be revealed by the  detection of air purifiers. These bad gases will cause great damage to  the body.


Myth 8: Purify for a while


Some  consumers will feel that it is very expensive to open the air purifier  for a long time. In order to save electricity or think that the  purification can achieve the effect for a certain period of time, it  will be turned off after a certain period of work. In fact, the air  purifier itself does not consume much electricity. It belongs to power-saving small household appliances. At  present, the air purifiers with good quality have intelligent mode and  power-saving processing mechanism. When the air is detected, the air  purifier will start running at a low speed. If you start to  smoke while sitting on the side, it will automatically run quickly, and  then resume the smart mode after reaching the standard.

Moreover,  the most important thing is that the PM2.5 concentration in the indoor  space will gradually increase after the air is up to standard, and the  PM2.5 will continue to enter through even closed doors and windows. Therefore, it is usually good to continue to purify the effect, especially when the haze is serious.


to sum up:

In  the current smog in the smog, the use of air purifiers has long been a  necessary measure to effectively protect the health of the family. However,  only by avoiding misunderstandings and scientific use of air purifiers  can we improve indoor air quality more quickly and effectively, and  truly enjoy healthy air.