Multi-day fog, bonfire, air purifier, purification function can not be “myth”

Multi-day fog, bonfire, air purifier, purification function can not be “myth”

 

Is the air purifier really useful?
According to the publicity of the business, in addition to removing PM2.5, the best quiet air purifier can effectively remove harmful substances such as formaldehyde, and the removal efficiency is very high, reaching 99%. However, because the purification effect is difficult to detect, many consumers buy more psychological comfort when purchasing.
“The best quiet air purifier HEPA has a certain purifying effect on air impurities, but it does not have the ability to completely purify, because it can’t circulate the air in the whole room, such as two rooms and one hall, and can only circulate and purify the air in one space.” Wu Changzhou, who has been engaged in environmental monitoring for more than a decade, said that air purifiers can only make local airflow, so they can only be partially purified.
In the purifier of the air purifier, the air purifier can solve the particles of 0.25 micron and above in the air, but it can not solve the decoration pollutants in the air. “I want to use air purifiers to eliminate harmful substances such as formaldehyde and benzene. This is a mythical function of purifiers.” Wu Changzhu said that if citizens feel that there is a smell in the new house, they can conduct professional testing first, then carry out targeted treatment and cut. Do not rely solely on an air purifier.
At present, the market for air purifiers is getting hotter, the industry is chaotic, and the quality of products is mixed, which affects consumers’ perception of air purifiers to some extent, but this situation will be eased next year. It is understood that a few days ago, the National Standards Committee issued a new revised “Air Purifier” national standard, the new standard will be officially implemented on March 1 next year. By then, it will effectively change the chaotic labeling phenomenon in the air purifier market, and it will also enable consumers to make evidence when they purchase.
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Experts advise: air purifiers are not as functional as possible

Experts advise: air purifiers are not as functional as possible

Recently, many places have experienced severe haze, and air purifiers have become the focus of consumers’ attention. Experts advise that the best affordable air purifier for smoke is not as functional as possible.
Recently, reporters learned in-home appliance stores and some online shopping malls that many brands of best air purifier affordable claim to have functions such as formaldehyde removal and humidification. Some clerk of home appliance store told reporters that the humidification function is very helpful for air purification, and water vapor can help absorb harmful substances in the air.
Liu Zhang, an associate professor at the School of Environmental Engineering and Science at Peking University, said that the choice of an air purifier depends on the basic functions marked by the purifier itself, and there is no need to choose a product that has been versatile. For example, during the sputum pollution in Beijing, it is mainly contaminated by fine particles and contaminated with organic matter. Therefore, when selecting an air purifier, as long as the purifier achieves the indicators of pollutants (fine particles and organic matter) and fresh air volume, can.
Liu Zhaorong said that the functions of temperature and humidity adjustment are to meet physical comfort. There is no experimental data indicating that it has sufficient correlation with air purification. Liu Wei, the attending physician of the Department of Respiratory Medicine of the First Hospital of Jilin University, said that if the air purifier with humidification function is not properly operated, it will easily breed bacteria in the water and affect the health of the body.
Experts reminded that in addition to paying attention to the basic functions when purchasing an air purifier, attention should be paid to the applicable area of ​​the purifier to match the use environment to avoid the effect of the “small horse-drawn cart”.
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The support of love: the air purifier should have several functions

The support of love: the air purifier should have several functions

With the increase of smog, people’s awareness of harmful gases such as formaldehyde and TVOC, and the enhancement of people’s health concept, the sales share of China’s air purifier market has soared, becoming the world’s third-largest best air purifier for the dust sales market. What functions should the best air purifier for dust removal have? How to choose from the function, here is a detailed answer for you.
A real purifier should have three basic functions:
1. Remove toxic and harmful gases
Irreversible removal of common toxic and harmful gases such as formaldehyde, benzene, TVOC, ammonia, etc. emitted from indoor pollution sources, as well as sulfur dioxide, nitrogen dioxide, ozone, etc., which are invaded by the outdoor atmosphere, and will not cause secondary pollution problems;
2. Filtering particulate matter
It can effectively filter PM0.3, which is the most harmful to the human body in the air, not just PM2.5;
3. Removal of microorganisms
They also need to be able to remove microorganisms, including various types of bacteria, viruses and so on.
Function 1, remove toxic and harmful gases
When it comes to toxic and harmful gases, you may already be familiar with formaldehyde, benzene, TVOC, etc., but it is still relatively unfamiliar with gases such as sulfur dioxide and nitrogen dioxide. In fact, we may face toxic and harmful gases every day. Even if we hide in a closed window, these harmful gases will invade the room through the gap between the doors and windows, affecting our breathing health.
The harm of each gas to human health is not repeated here.
Function 2, high-efficiency filtration PM0.3 can enter the lung particles
PM0.3 is a generic term for solid particles or droplets having a diameter of less than or equal to 0.3 microns in air, also known as accessible lung particles.
PM0.3 is mainly derived from waste gas emitted from power plants, factories, and automobiles. PM0.3 has a small particle size (only 1/8 of PM2.5 is not enough), and contains heavy metals such as mercury, cadmium, and lead, and has a long residence time in the atmosphere.
Compared to PM2.5, PM0.3 poses a greater threat to human health, but this is rarely known to us.
1. PM2.5 can block the alveoli, make the lung function increase the load operation, and reduce the life of the lung.
2. PM0.3 can pass through the blood and blood barrier of the lungs and directly enter the blood, which greatly affects human health.
Therefore, PM0.3 is more terrible than PM2.5!
Function 3, effective removal of microorganisms
The source of indoor microbial pollution mainly comes from indoor people’s life and work supplies, indoor people’s own emissions, the use of modern indoor air conditioners and the infiltration of outdoor air microbes with airflow. Among them, germs and viruses have to attract our attention.
Common pathogens in indoor air include:
Hemolytic streptococcus, Staphylococcus aureus, meningococcus, Mycobacterium tuberculosis, Bordetella pertussis, Legionella, diphtheria, Mycoplasma pneumonia, and the like.
Common pathogenic viruses include:
Influenza virus, measles virus, varicella virus, mumps virus, the rubella virus, and some enteroviruses. If these common pathogens are not effectively eliminated, they will also be seriously healthy.
Other functions: The general air purifier also has functions such as removing smoke and odor.
In summary:
After understanding the basic skills that the above three air purifiers should have, we can easily find a real air purifier that should not only remove PM2.5 but also effectively remove the toxic and harmful gases that are most harmful to human health. And PM0.3 can enter the lung particles, smoke, odor and so on.
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Air purifier health function: air conditioning disease

Air purifier health function: air conditioning disease

Watermelon, WiFi, air conditioning, the three “treasures” that are known as summer, is the favorite of the homeowners. Working, studying, and eating in an air-conditioned room during the hot summer is a very pleasant thing. However, the air-conditioned room is relatively sealed, the air does not circulate, and the indoor furniture volatilizes pollutants. After continuous accumulation, many harmful gases exceed the standard, which may cause cough, headache, salivation and other symptoms, commonly known as “air conditioning disease.”
So what role can the Yikang negative ion best cheap air purifier for smoke play in the summer?
01 Prevent bacterial infection
Summer is the season of bacterial reproduction. In addition to directly entering our body, these bacteria can enter our body by attaching particles and dust with a diameter of less than 5μm. Even by talking, coughing, sneezing, etc., we can easily put the mouth and throat. Pathogenic microorganisms in organs and lungs are transmitted to other people through the air, and some epidemics are caused by the spread of germs. The sterilization function of the air purifier can solve this problem very well, so if someone has a cold or cough in the house, it is recommended to turn on the air purifier.
02 Prevention of “air conditioning disease”
In summer, the temperature is high, and many people can’t wait to stay in the air-conditioned room for a day. Although the air-conditioning is cool, the doors and windows are closed all day long, not only the humidity is very large, but also the indoor air is not circulated, causing indoor air pollution, which will cause various discomforts. When turning on the air conditioner, it is recommended to turn on the best small air purifier for smoke.
03 purification indoor formaldehyde
The increase in temperature will increase the volatilization of indoor pollutants. According to the statistics of the health department, the concentration of formaldehyde and benzene released by furniture increases by 0.15 to 0.37 times for every degree of humidity increase. The pollutants in the home are not released in a short time, and it takes 15 years to completely release the clean. Many indoor air purifiers in addition to formaldehyde can help us remove harmful substances such as formaldehyde so that users can have a fresh indoor environment in the summer.
04 Prevention of second-hand smoke hazards
Many people like to smoke, which has buried the hidden dangers of second-hand smoke for their families. Second-hand smoke contains hundreds of known toxic or carcinogenic substances, including formaldehyde, benzene, and vinyl chloride. The concentration of many carcinogens and toxic chemicals in second-hand smoke is higher than that smoked by smokers themselves. The purifying function of the air purifier can remove these harmful substances well and provide a healthy indoor living environment for everyone.
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Can a car air purifier purify the air?

Can a car air purifier purify the air?

The smell of the car interior, the news of the emission of formaldehyde frequently issued, so that many car owners fear, the more concerned about the air quality inside the car. In order to solve the worries of the public, many car brands have added air purifiers to the car, but most of them are limited to high-equipped vehicles. For models with low-equipped models that are not equipped with this configuration, the installation cost is expensive, so the purchase of car air purifiers has become the choice of many owners. So, is the role of the air purifier so powerful as the merchant introduced?
Where does the pollution inside the car come from?
All parts in the interior of the new car contain harmful substances, which will slowly evaporate during use. The pollutants are mainly composed of harmful substances such as benzene, toluene, and formaldehyde. The external environment will also bring environmental pollution to the car. Carbon monoxide, sulfur dioxide, particulate matter, etc. are all serious pollutants to the human body.
There is also the excessive decoration of car interiors, long-term use of air conditioning internal circulation, infrequently driving windows, smoking inside the car and other habits are also the cause of poor indoor environments.
The brand car air purifier has a certain effect
The air purifier is a new product of automotive equipment, and its production is inextricably linked to the current atmospheric environment and the quality of new vehicles. Atmospheric pollution and new car air pollution have caused many car owners to choose car purifiers, but does the car purifier have any effect?
For an air purifier, its purification efficiency is faster than the pollution source, so it is effective, and the more the number of cycles at the same time, the higher the efficiency, usually requiring cleaning at least five times per hour. Effective cleaning.
The role of the air purifier is also related to its CADR value (the CADR value is the ratio of the clean air output of the air purifier that the American Home Appliance Manufacturers Association tests according to strict test standards). This value removes the space inside the vehicle. The resulting value is the number of times the purifier cleans the car every hour.
As long as you purchase an air purifier that has no false propaganda and good cleaning ability, it still has a certain effect on the air cleaning in the car. If you want to work better, you should pay attention to the reference of CADR value when purchasing.
Choose the car air purifier that suits you.
There are many types of car purifiers, and the needs of car owners vary. How to choose a car purifier suitable for your car situation is the key to solving the car environment.
From the working principle, it can be divided into two categories: physical filtration and electrostatic adsorption. Physical filtration uses a fan to adsorb air and filter, but it is necessary to periodically replace the filter and have the noise during operation. Electrostatic adsorption is the use of particulate matter in the air drawn by a strong electrostatic adsorption fan. The disadvantage is that it cannot filter harmful gases such as formaldehyde and should be cleaned regularly. There are many air purifiers that are versatile, combining all types of filtration methods. These products are relatively large in size and power consumption, but this is a good choice.
If you are buying a purifier for a new car, you should focus on the ability of the machine to clean the harmful gases and not the particulate matter. Learn more about the CADR value. The larger the value, the better the effect. In addition to formaldehyde, the new car has a CADR value of more than 15 cubic meters per hour. In addition to smog, the CADR value of the particulate matter must be at least 30 cubic meters per hour. By following such standards, you can find the car air conditioner purifier that suits you.
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Selecting an air purifier requires attention to different technologies and different functions.

Selecting an air purifier requires attention to different technologies and different functions.

At present, there are many air purifier products on the market, and the technologies used are various. Although most purifiers have filter designs, not every purifier with filters is a filter purifier. Consumers, who should choose which technology purifier to achieve the purpose you want? This has to first understand the current mainstream purifier technology!
Filtration type is a relatively common purifier technology. Its working principle is to suck indoor air into the purifier through the air inlet, and absorb the corresponding harmful gases and substances in the air through multiple layers of different functions, and then pass through the air outlet. The indoor air is purified by circulating the purified air. The energy efficiency of this type of purifier is the first condition of the filter.
At present, there are many purifier products using HEPA filters and activated carbon filters, which can kill harmful gases and substances such as tiny particles, formaldehyde, xylene, etc., but the screens are relatively short, generally poor in air quality. In this case, the life of the activated carbon filter will last for about 6-12 months depending on the length of use per day. At that time, the user needs to replace the new filter, otherwise, the purifier will not have the effect.
Electrostatic purifier
Unlike the filter purifier, the electrostatic purifier mainly relies on the high-voltage ionized particles inside the purifier, so that it is adsorbed after being charged. Generally, compared with the filter purifier, the safety factor of the electrostatic purifier is required. The design of the lower and electrostatic type purifier dust collectors is generally sharp, and it is particularly easy to injure during the cleaning process. Therefore, when purchasing such purifiers, you must look for the brand, purchase qualified products, and clean up. Be especially careful!
Negative ion purifier
The negative ion purifier mainly generates negative ions through the negative ion device, so that the negative ions react with harmful substances and harmful gases in the air, thereby purifying the air. Negative ion purifiers will produce unnecessary substances in the process of use – ozone, it is known that a certain concentration of ozone is required in our living environment, but if the ozone concentration is too high, it will seriously endanger our health, so Also pay attention when purchasing such products. It is best to choose a regular brand of products in the formal channel. You can also simply smell it when you buy it. If the machine has a big taste after running, you should pay attention to this. Whether the index of ozone production of products is within a reasonable range.
Need to be especially reminded that if you have a history of allergies or allergies to unknown sources, then it is best not to choose a negative ion purifier, so as not to aggravate allergic symptoms in the process of purifying the air.
Photocatalyst purifier
Photocatalyst-type purifiers do not absorb harmful substances. They use photocatalysts to catalyze harmful substances and gases: they produce catalytic degradation through the action of ultraviolet rays, harmfully degrade harmful toxic substances in the air and kill a variety of bacteria, and also bacteria. The harmful substances in the process are decomposed and harmlessly treated, and have certain deodorization, anti-fouling, and purification capabilities.
Since the photocatalyst purifier must function as an isomorphic UV light, this product must be placed in a position where it can directly touch the light, and it cannot be blocked by anything in any form, otherwise, it will not be purified.
From the above introduction of various purifier technologies, we can probably classify: filter purifiers are the most common, relatively less demanding for placement, but the filter screen needs to be replaced regularly, and the cost is relatively high;
Electrostatic purifiers are basically one-time inputs, but electrostatic precipitators have relatively high relative risk factors and are not suitable for families with children and the elderly to prevent accidents;
Anion-type purifier products will release ozone while purifying harmful substances in the air. When the amount of ozone released exceeds the standard, it will cause harm to the body, and the allergic group should be used with caution;
Photocatalyst purifiers are relatively green and environmentally friendly, but they require high levels of UV light and require long-term exposure to light, so some dark, poorly lit spaces are not suitable for use with such purifiers.
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Strong purification ability plus small details of a warm heart. This is the quality of the air purifier.

Strong purification ability plus small details of a warm heart. This is the quality of the air purifier.

It is very simple to improve the air quality in a room, and an air purifier is enough. But picking a good air purifier is not easy. Of course, the easiest way is to look at its CADR value. The CADR value refers to the amount of clean air. It refers to the total amount of clean air output per unit time filtered by the purifier. The unit is m3/h, including the particulate matter CADR and formaldehyde CADR. The higher the CADR value, the better his purification ability.
On this basis, I think Olansi air purifier is very good, its CADR value is between 601 and 800, formaldehyde CADR value is up to 400, and the CADR value of particulate matter is up to 710, which is a very strong purification ability. It is.
Not only the purification ability is strong, but Olansi also has a very high standard for purification. In general, most air purifiers set the standard for formaldehyde purification to be 0.1mg/m3 in Europe, but as can be seen from the above figure, Although the European standard is low, the formaldehyde under this concentration will still cause damage to the human body, while the purification standard of Olansi is 0.01mg/m3, which is only 1/10 of the European standard. It is possible to reduce, greatly reducing the impact of indoor formaldehyde on the human body.
Light has a high standard, but if it is not available or the purification speed is slow, it is not very useful. The Olansi air purifier also achieves rapid purification on the basis of high standards. In the room of 49-85m2, it can reduce the formaldehyde concentration to 0.01mg/m3 in 18 minutes or so.
It is important to buy an air purifier to see its purification ability, but it is not absolute. It is also convenient to choose an air purifier.
As an established manufacturer of household appliances, Olansi is very careful in designing its products and will be comfortable to use. First look at the display aspect, there is a circular display on the front of the fuselage to display three kinds of (PM2.5, harmful gases, allergens) pollutant status, purification mode status, wind size and other information, considering the air before The status of the rotation in turn is not concise and clear, Olansi will display the screen to increase the display of this information. Outside the screen is a four-color ring light that symbolizes indoor air quality. Blue indicates good air quality, purple is average, pink is poor, and red indicates poor air quality.
As an established manufacturer of household appliances, Olansi is very careful in designing its products and will be comfortable to use. First look at the display aspect, there is a circular display on the front of the fuselage to display three kinds of (PM2.5, harmful gases, allergens) pollutant status, purification mode status, wind size and other information, considering the air before The status of the rotation in turn is not concise and clear, Olansi will display the screen to increase the display of this information. Outside the screen is a four-color ring light that symbolizes indoor air quality. Blue indicates good air quality, purple is average, pink is poor, and red indicates poor air quality.
The display aspect has been considered so meticulously, and of course, the input into the experience will be more. Needless to say, the most common intelligent voice control, the Olansi can be switched by the Jiangyin smart speaker. Of course, you can also download the Xiaojingyu APP for remote control. You can view the air quality in your home on the mobile phone to control the operation of the AC6678. You can also check the filter life and replace it through the APP.
A warm heart is not only the display panel and APP remote control but also five wind speed purification modes: peace of mind, comfortable space, keep fresh, circulation filtration and full purification. And in the peace of mind sleep mode, the sound is only 36 decibels, which is smaller than the sound of pouring water.
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New air pollution killer PM0.3

New air pollution killer PM0.3

The smog weather in a field made consumers realize the harm of PM2.5. In fact, PM2.5 is only a van concept. PM2.5 in the consumer’s mouth, 95% of which is PM0.3, one is more than PM2. .5 small and nearly 600 times the “killer” can enter the lung particles!
Therefore, to be precise, PM2.5 can be subdivided into PM0.3 (below 0.3 microns) and narrowly defined PM2.5 (0.3 to 2.5 microns).
I believe that many consumers are familiar with PM2.5, but since China has not carried out PM0.3 monitoring on a large scale, many consumers still have a blank concept of PM0.3, which has led to many air purification products on the market. Remove the effect of PM0.3.
PM2.5, also known as fine particulate matter, refers to particulate matter with an aerodynamic equivalent diameter of 2.5 microns or less in ambient air. The higher the concentration in the air, the more serious the air pollution. How serious is its health and impact on human health? I believe many people have already experienced it personally. What is the focus on PM0.3?
What is PM0.3
PM0.3 is a general term for solid particles or droplets with a diameter of less than or equal to 0.3 microns. It is also known as a particulate matter that can be incorporated into the lungs. The particle size is smaller, only 1/200 of the hair. It is rich in toxic and harmful substances and has a long residence time in the atmosphere. PM0.3 can drift over 1000 km, which has a greater impact on human health and the quality of the atmospheric environment.
PM0.3 is not perforated?
Compared with PM2.5, which can only enter the lungs by breathing and block the alveoli, PM0.3 can be described as “pervasive” in the propagation channel. Because the particle size is only 1/200 of the hair silk, PM0.3 can not only reach the deepest part of the lungs through breathing, but also can swing into the alveoli and enter the blood tissue of the human body, and can not be removed permanently. Damage and prevention are far more difficult. We know PM2.5.
Due to the wide range of sources of PM0.3, people can hardly avoid contact with them in daily life. Studies have shown that more than 90% of PM0.3 comes from waste gas from power plants, factories and automobiles, and contains heavy metals such as mercury, cadmium, and lead. And stay longer in the air.
Indoors, PM0.3 mainly comes from decoration, home paints, and adhesives. After the PM0.3 in the air enters the human blood circulation, it will cause health hazards to many human organs such as cardiovascular and brain. Heavy metal PM0.3 will also damage the human respiratory system, immune system, and circulatory system. PM0.3 containing formaldehyde, benzene, and other substances is the root cause of leukemia, nasal cancer, and colon cancer.
PM0.3 is the most penetrating
For indoor air treatment, consumers generally accept air purifier products. The purification is mainly through increasing indoor air circulation and filter purification. The most efficient one is the HEPA filter, also called high-efficiency particles. There are four main filtering mechanisms for HEPA filters:
(1) The first type is the interception mechanism, and the removal of large particles is very obvious;
(2) The second mechanism is the influence of gravity. The particles with small volume and high density will reduce the movement speed when passing through the HEPA filter, and naturally settle on the HEPA filter;
(3) The third mechanism is the influence of airflow. Due to the uneven weaving of the HEPA filter, a large number of air vortices are formed, and the effects of the cyclone received by the cyclone are adsorbed on the HEPA to achieve the filtering purpose.
(4) The fourth filtering mechanism is that the ultrafine particles impinge on the HEPA filter fiber under the action of Brownian motion, and are filtered by electrostatic adsorption under the influence of van der Waals force.
Compared with smaller volume particles such as P0.1, PM0.3 is not easily affected by a cyclone or van der Waals force, and the capture mechanism of large particles also has little effect on PM0.3. Therefore, PM0.3 is also the most penetrating. The force particles measure the pros and cons of the HEPA filter, mainly depending on the purification efficiency of PM0.3.
to sum up:
For PM0.3 such fine particles, any mask is difficult to resist, the only way is to reduce pollution, and the purification products that are generally accepted by consumers in the market also take PM2.5 removal rate as one of the standards of cleanliness, but The study of PM0.3 can be said to be a blank.
The PM0.3 particles in the air can be removed from the air mainly through the HEPA filter. However, the industry has not yet made standards for the purification of PM0.3, which has also led to the uneven quality of HEPA filters. When consumers purchase air purifiers, In addition to avoiding the so-called “black technology” of the manufacturer, it is also necessary to pay attention to whether it is equipped with HEPA filter and the removal rate. Of course, the filter should be replaced and cleaned regularly to avoid secondary pollution.
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Empty things? Do you really use air purifiers?

Empty things? Do you really use air purifiers?

If summer is the best air quality in a year, then the arrival of the autumn and winter season, especially for the small partners in the north, is not only the chilly wind but also the lingering weather… Because of this, the air purifier has become indispensable household equipment for many families. After reading the previous issue of “Essence of the Air | Just look at what you know, which air purifier should be selected”, perhaps We have learned how to choose an air purifier, but why do people often complain that the air purifier is not good or even clean? Is this a problem with air purifiers, or are we caught up in the use of air purifiers? Let us take a closer look at some of the problems that arise in using air purifiers today.

Don’t make common sense mistakes

Do you dare to remove the filter packaging?!

Generally speaking, the newly purchased air purifier should have the strongest purifying effect, but some people even complained to me that her new purchase of an empty net has no purifying effect. After reading the instructions several times, I have not found the problem. Already ready to return with the manufacturer.

Slow down slowly, are you really sure that it is empty? Sure enough, when I asked her if she had removed the packaging of the filter, she said that she was awkward and asked me if there was a package to be removed. I really cried out… Don’t think that this kind of thing will not happen to you. My friend is also smart and lively and cute, but in the end, it falls on the small thing of the filter.

There is no doubt that if the filter package is not removed, the air purifier will be the same as the “waste device”.

Finishing the wrong order

If the probability of not disassembling the filter package is not high, after all, many filters are installed directly in the air purifier without disassembling the package. Whether the filter needs to be installed in order, or how to put it all out, there should be a lot of doubts about this problem.

In response to this problem, we found a Sharp KI-BC608-W air purifier with multiple filters. From the schematic diagram of the official website, the correct installation sequence of the air purifier filter from the outside to the inside should be a rear panel (pre-filter), deodorization/formaldehyde removal integrated filter, formaldehyde removal filter, high-efficiency HEPA filter.

We disrupted the installation sequence by placing the deodorizing/deodorizing integrated filter in the innermost part, then placing the formaldehyde removal filter and the high-efficiency HEPA filter. A cigarette is lit in a house with a closed door and a window of about 10 square meters. It is measured by an air quality measuring instrument. We can see that the air quality in the initial environment is as follows: the formaldehyde value is 0.11 mg/m3, PM2.5. The value was 556 μg/m 3 and the pollution index was 500.

When we started the air purifier that disrupted the installation sequence, after 10 minutes of use, the air quality was 0.001 mg/m3, the PM2.5 was 257 μg/m3, and the pollution index was 307. The pollution situation has eased, but it is clearly still in a state of explosion.

Therefore, we adjusted the filter to the normal installation sequence. After ten minutes of opening, the value was 0.11 mg/m3, the PM2.5 value was 38 μg/m3, and the pollution index was 91. Although the formaldehyde value did not decrease, both PM2.5 and the overall pollution index showed a significant downward trend. It can be seen that the correct installation order of the filter does affect the purification effect of the air purifier. To say the loss, the incorrect installation sequence must be greater than the correct safety loss, and the effect is still poor.

So, if you bought an air purifier that needs to install multiple filters, you really have to look carefully at the filter installation sequence.

Do you have to do this with an empty net?

Empty net + humidifier ≠ double insurance

Sometimes we feel that an air purifier can’t solve the problem of indoor air quality (then buy two), so we will look for ways that seem to be able to “snap” with the air purifier. For example, if someone puts a humidifier next to the air purifier, can this really do more with less? Still, let the data speak.

This time we chose the Dustie DAC500Plus air purifier, which still ignited a cigarette. In the closed window environment of the same 10 square meters, the measured index is: formaldehyde value is 0.09mg/m3, PM2.5 value is 235μg. /m3, the pollution index is 285. Ten minutes later, the index was: formaldehyde value of 0.05 mg/m3, PM2.5 value of 16 μg/m3, and pollution index of 41. It was obvious that the indoor air environment quickly returned to the ideal state by itself.

If you have a humidifier next to it? So we put another cigarette, the measured index is formaldehyde value of 0.10mg / m3, PM2.5 value of 197μg / m3, pollution index of 247. After turning on the air purifier and humidifier, wait for 10 minutes. The measured index is: formaldehyde value is 0.05mg/m3, PM2.5 value is 42μg/m3, pollution index is 58, the data performance is also good, but if you If the room is not particularly dry, just to purify the air purely, there is no need to open a humidifier at the same time.

Open the net and open the window?

Undoubtedly, if the quality of the outdoor air is very bad now, then you open the air purifier and open the window is undoubtedly a chronic suicide. But if the outdoor air quality is good, and I also need certain window ventilation, will the indoor air be better when the purifier is turned on? Let’s try it out.

The Dustie DAC500Plus air purifier was used. The air quality on the day of the test was good, the blue sky and white clouds, and the weather forecast did not show any pollution problems such as foggy weather. This time we did not deliberately smoke, because we should test in a normal indoor environment, open the air, the measured data after ten minutes is formaldehyde value of 0.10mg / m3, PM2.5 value of 9μg / m3, pollution index It is 83.

Subsequently, the indoor window was directly opened and waited for 10 minutes. The data showed a formaldehyde value of 0.07 mg/m3, a PM2.5 value of 2 μg/m3, and a pollution index of 58. It can be seen that after opening the window, the values ​​of formaldehyde and PM2.5 have decreased, but the overall pollution index has not changed. This shows that air circulation still has certain benefits, but the premise is that the weather must be good. The weather is not good, anyone knows that opening the window is dead.

Put the same air purifier

It is said that the air quality in the central part of the air purifier is the best, and the empty net placed on the side of the wall or on the side of the furniture is compared with the empty net placed without any obstructions around it. At the same time, the purification effect will be Not the same? We still try the Dustie DAC500Plus air purifier.

When we placed the purifier on the wall and turned on the purifier for 10 minutes, the test data showed a formaldehyde value of 0.08 mg/m3, a PM2.5 value of 30 μg/m3, and a pollution index of 66.

After that, the air purifier was removed from the wall and placed in a place where there was no obvious obstruction around it. It was opened for ten minutes. The test data showed a formaldehyde value of 0.08 mg/m3 and a PM2.5 value of 19 μg/m3. The index is 66. Obviously, except for the decrease in the PM2.5 value, the other values ​​have not changed. It can be seen that it is placed on the edge of the wall and does not have much influence on the purification effect of the air purifier.

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