The advent of winter has caused the popularity of the empty net market, and consumers have begun to shop around. In general, the purchase of household air purifiers mainly needs to consider several performance parameters, including purification efficiency, noise effect, filter life, etc. At the same time, the empty net of these three points is rare, and often the price is more expensive. However, in early November this year, Hammer Technology’s Chang breathing air purifier not only achieved these three points but also the price of 3,499 yuan is more acceptable.
800 CADR=Quick Detachment
For empty net products, the higher the CADR value, the stronger the purification ability and the faster the purification rate. The product with a larger CADR value has an advantage in purifying the air.
The 800 CADR purifier purifies a baby room in just one and a half minutes and purifies a living room in just four and a half minutes. This is a purification speed that cannot be achieved with low CADR air. In addition, even with such a purification speed, the price of breathing is only 3,499 yuan, only about 1/3 of the big net empty.
This is also in line with the “double rolling” policy defined by Luo Yonghao, that is, the same price, the purification ability is stronger; the same purification ability, the price is lower.
Low noise = interference purification
Household appliances need to balance the two parameters of function and noise. For the empty net, it is to maintain the purification efficiency in the case of low noise and to ensure low noise at the extreme speed. For this balance, Luo Yonghao also defined the concept of “a clean area under acceptable noise” to explain. It’s just that the two breaths are done. In particular, it can still maintain a sleep mode (34dB), there is still 205 CADR purification speed.
High CCM filter = long life
The CCM value refers to the parameter of the cumulative purifying capacity of the air purifier for the target pollutants such as particulate matter and gaseous pollutants under the rated state and the specified test conditions. Simply put, the higher the CCM, the longer the time between filter changes. The smooth breathing ensures that the filter is replaced every six months to one year, reducing the cost of use. In addition, the multi-layer composite filter element that breathes itself can also be efficiently filtered to ensure that each layer of the filter screen performs its duties and maximizes the purification effect.
It is worth noting that the Breathing Air Purifier uses the H13 HEPA filter, which is currently the highest level of household net filter, which can effectively filter harmful substances such as PM2.5, pollen, allergens, bacteria, viruses and second-hand smoke. The single filtration efficiency of particles with a diameter of 0.3 microns or more also reached 99.97%.
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About the air purifier, how much is the function you care about?
Electrostatic dust removal and filter filtration
Electrostatic dust removal does not need to update the filter screen, and the dust removal amount is very suitable for use in a heavy dust environment. The industrial environment is basically used for electrostatic dust removal.
Since the filter became popular, in the home, electrostatic dust removal has been slowly eliminated. Mainly due to the following reasons:
1, the biggest problem of electrostatic adsorption, the production of ozone. At present, the electrostatic adsorption of ozone is better, and the ozone entering the room can be said to be minimal. Moreover, the human nose is very sensitive to the smell of ozone, and the ozone concentration is clearly below the safety standard to clearly perceive the odor.
2, electrostatic adsorption for PM2.5 removal effect is not as good as HEPA filter. Electrostatic dust collection technology has obvious adsorption effect on larger particles, but the removal effect of PM is not as good as that of the high-grade filter. The household-grade electrostatic precipitator system can achieve a purification rate of up to 97%-98%, which is equivalent to the H11 grade HEPA filter.
3, electrostatic dust removal is a one-time business, does not need to change the filter regularly. Filter cleaning requires regular replacement of the filter, so, you know, for now, household dust removal is almost always filtered by the filter.
In view of the current mainstream of filter filtration, the following focuses on the HEPA filter air purifier.
The principle of the HEPA filter air purifier is very simple: ventilation fan + a HEPA filter. Buy a HEPA filter and stick it on the ventilation fan to achieve a good purification effect.
Some brands, thousands of, or even tens of thousands of air purifiers, are definitely profiteering! The world’s highest-end IQAair air purifier, the purifier used in the Beijing Olympic Games and Hong Kong hospitals, the purchase price is not more than 10,000 (the price of domestic stores is 14,000).
Pick a filter air purifier, the most critical HEPA filter level.
HEPA has a filtration rating of at least H11. The filter grade is lower than H11, which is actually a Taipower fan. When purchasing an air purifier, be sure to understand the level of the HEPA filter.
If it is in a heavily polluted area, it is recommended to purchase a machine above the H13 filter.
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The effect of the air purifier is good, the filter is the key!
All clean air is filtered through a filter screen, which is the core component of the air purifier, which is directly related to the purification effect of the air purifier.
The filter cartridges used in the market purifiers are varied. Which filter is better?
1. The larger the extension area, the better.
The air purifier industry has an unwritten buying skill, that is, the larger the purification effect of the purifier, the better.
Here, the larger the amount is generally reflected in the filter screen, the larger the filter screen is, the larger the wind is so that at the same wind speed, more air can be purified, and the purification efficiency is correspondingly improved.
So we can see that the filter is a folding design, in order to increase the filter area.
2, multi-layer high-efficiency composite filter.
Comprehensive performance of the top 5 air purifier, the filter is generally not just a layer, a composite filter made up of different functional filters, can filter more diverse air pollutants, this air purifier can be applied to different indoor environments.
We can see that this composite filter is generally thicker, and the wind resistance caused by the composite filter is also larger, so the noise will also increase, which requires a very professional filter technology, while effectively filtering Can reduce wind resistance.
3, high-grade high-quality filter.
The high-quality filter can intercept finer particles while being effectively ventilated. For example, HEPA has high filtration efficiency, low flow resistance, and can be used continuously for a long time. It is often used as a high-quality filter in air purifiers.
For example, in the Senchen series air purifier filter, it contains H11 medium efficiency filter and H13 high-efficiency filter double HEPA filter paper, which can filter very small particles as small as PM0.1.
When we buy an air purifier, we must pay attention to the quality of the filter. High-quality filters can significantly improve the efficiency, effectiveness, and longevity of air purification.
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Three steps to teach you to choose the right air purifier
The smoggy weather that has occurred frequently in recent years has driven the air purifier industry. Although the Chinese air purifier market has not developed for a long time, there have been several generations of products. From activated carbon adsorption to ozone sterilization, to the latest PHI, the technical principles are varied and the purification effects are different, so you will be confused when choosing a purifier. How do we choose the purifier that suits us? Xiaobian teaches you three steps today to let you choose the right air purifier for you.
The first step: understand indoor air pollution and tap your own needs.
First, we need to understand what we are buying for an air purifier. Is it just purifying PM2.5? In fact, in addition to PM2.5, there are other pollutants that threaten human health indoors, so let Xiaobian give you a popular science.
Indoor air pollution is mainly divided into three categories:
1. Chemical pollutants: mainly refers to volatile toxic gases, such as formaldehyde, benzene, TVOC and other decoration pollution that we are familiar with. People have a common misunderstanding of such pollutants: “The new decoration is very serious.” This problem does not exist in the seven-year-old house.” In fact, contaminated releases such as formaldehyde, benzene, and TVOC can last up to 3-15 years. Long-term exposure to such indoor air pollution sources, even low concentrations can cause chronic respiratory diseases, female menstrual disorders, pregnancy syndrome, causing neonatal physical decline, chromosomal abnormalities, and even nasopharyngeal cancer. The high concentration of pollution sources will cause toxicity to the nervous system, immune system, liver, etc., and even teratogenic and carcinogenic effects.
2, physical state particles: typically represents PM2.5 respirable particulate matter. The smaller the particle size of inhalable particles, the greater the harm to the human body. Respirable particles with a particle size of fewer than 10 microns can enter the human respiratory tract. Less than 2.5 microns can be deposited in the lungs, and harmful substances can enter the blood through the alveoli. Statistics from the European Union show that PM2.5 causes 386,000 deaths per year and reduces people’s life expectancy by 8.6 months. PM2.5 can also be a carrier of viruses and bacteria, contributing to the spread of respiratory infections.
3. Biological pollutants: mainly refers to active harmful microorganisms floating in indoor air such as bacteria, viruses, molds, and spores. Size range: 0.01 to 10 microns. Bacteria can cause various diseases, which can cause death in severe cases. For example, the mortality rate of Legionella pneumophila is 15%, and the mortality rate of E. coli in Germany is over 5%. The virus is the initiator of various epidemic diseases and is highly contagious through airborne transmission. The SARS mortality rate was 11%, and the A1 H1N1 mortality rate was 6.77%. Mold not only brings unpleasant odor, but is also a major cause of asthma and allergic diseases such as rhinitis, but it is ignored by most people.
Knowing these three pollutants, everyone should have found the one that they are most worried about. Like Xiaobian, a family of old people, pregnant women, and a small family, three types of pollutants are the focus of my concern.
Step 2: Understand the advantages and disadvantages of purification technology, choose the one that suits you best.
At present, the name of the air purifier technology on the market is varied. In fact, it is basically the following categories:
HEPA mesh filtration technology: effective for biological pollutants and physical particles. The fan is used to compress the air through the filter to trap contaminants such as particulate matter and microorganisms on the filter. It only acts as a trap and cannot be removed or inactivated at all. Long-term accumulation may become a larger source of pollution. It is a passive treatment method. If the air cannot pass through the equipment, the interception effect will not be achieved. In order to allow the air to pass through the filter in a large amount, it is often necessary to use a high-powered fan with a large noise to perform the suction treatment.
PHI active purification technology: very effective for chemical pollutants (volatile harmful gases), biological pollutants, physical particles. PHI purification technology produces a variety of air purification factors under the action and control of broad-spectrum ultraviolet light and various rare metal catalysts. It actively mixes with harmful pollutants in indoor air through air diffusion and air circulation to purify indoor air. It can kill more than 90% of bacteria, viruses, and molds in the air for a short time, and can quickly decompose chemical volatile gases and odors such as formaldehyde and benzene. At the same time, it can effectively eliminate inhalable particles in the air. It is truly green and noise-free. Especially under the premise of not affecting the human body and the environment, it can improve the self-purification ability of the air itself and remove air pollutants in a dynamic environment.
Activated carbon adsorption: It is effective for odor and chemical pollutants (volatile harmful gases). Using coal, shell, wood, petroleum residue and other materials with high carbon content as raw materials, after high-temperature activation treatment, microporous activated carbon powder is formed and then adhered to the filter network with a polymer binder. Activated carbon fiber mesh. It is easy to saturate, and the adsorbed pollutants will have the potential to re-evaporate into the air when the ambient temperature rises.
Electrostatic adsorption: It is effective for biological pollutants and physical particles. Let the air pass through the high-pressure ionization zone, so that the particles in the air carry a positive charge, and are adsorbed on the negatively charged dust collecting plate when passing through the dust collecting chamber. High-voltage disconnection is easy to produce carcinogens, and it is also a passive treatment method. If the dust collector is not cleaned in time, it may become a new source of pollution.
Photocatalyst: It is effective for biological pollutants and chemical pollutants (volatile harmful gases). Using the photocatalytic properties of special materials, the light energy is converted into strong oxidizing chemical energy, and the pollutants in the air are removed by the oxidation of the strongly oxidized particles. Due to the immature production process, the industrial-scale application has not been realized, and the material cost is high.
UV: Effective for biological contaminants. A tube group consisting of an ultraviolet Clamp generates ultraviolet light having a wavelength of 254 nm to illuminate the air. After receiving sufficient UV dose, the internal structure of the microbial DNA is destroyed, chemical bonds are broken and cannot be replicated, thereby killing the microorganisms. Direct irradiation is harmful to the environment and the human body, and cannot meet the timely sterilization protection in a human environment.
Negative ions: Effective for physical particles. The free electrons generated by the ionization of air molecules under the action of high pressure or strong rays are mostly obtained by oxygen to form negative ions. Negative ions can adsorb particles in the air to form larger particle clusters, and settle down when the air cannot hold the pellets, so as to purify the air. Due to the poor stability and short service life of the negative ion generator, the actual application effect is not ideal.
In addition to the PHI purification technology, there is no purification technology that can target all pollution sources at the same time. Therefore, most air purifiers on the market will use several technologies at the same time. Although this can barely target all pollution sources, it is bound to use high energy consumption. High noise, etc. as a price.
When we choose an air purifier, be sure to ask the salesperson that this machine uses the purification technology to determine if it can target the source of concern.
The third step: understand the potential cost, there is a clear account in mind
At present, the price of the machine on the market is very large. Except for the PHI technology, most air purifiers need to replace the consumables regularly, which leads us to periodically purchase new expenses to purchase consumables during the later period of use. According to the current average domestic decoration level and outdoor air, it is generally recommended to replace the consumables in two or three months (don’t listen to the salesperson saying that one year of replacement, it may be recommended for use in Switzerland.).
We assume that we are purchasing a purifier of about 5,000 yuan. The cost of replacing consumables every three months is 600 yuan, then the cost of the first year is 8,000 yuan, and the annual investment is 2,400 yuan (not considering the electricity bill). If you use 7 years, then our total investment in this machine is about 22,400 yuan.
For a purifier that uses PHI purification technology that does not require late input consumables, we need to know how long it can last. Take An Anjie air purifier as an example. It uses PHI purification technology for 25,000 hours. We can calculate it for 10 hours according to the time of 10 hours a day. In this case, the price of the machine of 17999 yuan seems to be acceptable.
When choosing an air purifier, we pass these three steps, Xiaobian believes that you can choose the one that suits you best.
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Air pollution is worrying, is the air purifier useful?
The air purifier can detect and control indoor air and formaldehyde pollution, bringing fresh air to our interior.
Which includes
1) Settling particles in the air to effectively settle various inhalable suspended particles in the air such as dust, coal dust, smoke, fiber impurities, shavings, pollen, etc., to avoid causing allergic diseases, eye diseases, and other diseases.
2) Remove microorganisms and pollutants from the air, effectively kill and destroy bacteria and viruses in the air and on the surface of objects, and remove dead dandruff and pollen from the air to reduce the spread of diseases in the air.
3) Effectively eliminate odor, effectively remove the strange smell and polluted air emitted from chemicals, animals, tobacco, oil smoke, cooking, decoration, garbage, etc., and replace indoor gas continuously for 24 hours to ensure a virtuous circulation of indoor air.
4) Rapidly neutralize chemical gases, effectively neutralize harmful gases emitted from volatile organic compounds, formaldehyde, benzene, insecticides, aerosol hydrocarbons, and paints, while at the same time reducing the discomfort caused by inhaling harmful gases.
So, can the air purifier really eliminate pm2.5?
Air purifiers have become a must-have home appliance for many families. They have a small role in indoor air purification. They can detect and filter PM2.5 in the air and effectively protect the family’s respiratory health. In the smog weather, the indoor anti-mite air purifier can not be less.
Is the air purifier effective for removing formaldehyde?
First of all, we must understand that formaldehyde is produced by decoration and raw materials, and it cannot be removed for a long time. To solve the problem of formaldehyde permanently, it is necessary to remove the pollution source of the decoration or raw materials from the source. Otherwise, it can only be treated by formaldehyde, but if the formaldehyde exceeds the standard, then the treatment can not be completed. The air purifier is an auxiliary means, it is recommended to open 24 hours, which has a certain elimination effect on formaldehyde.
So what is the best way to remove air purifiers?
Most of the air purifiers are composed of HEPA filter and activated carbon filter. HEPA is mainly used to purify solid pollutants such as dust and PM2.5. The activated carbon filter is mainly used to adsorb volatile gases such as formaldehyde and odor.
There are two necessary conditions for indoor air quality to meet certain cleanliness standards.
First, it must be ensured that the indoor air reaches a certain number of air changes, that is, the fan built in the cleaner has a certain amount of air.
Second, the purification efficiency of the cleaner must be relatively high. Clean Air Volume (CADR) is the physical quantity that quantifies the two necessary conditions above the cleaner.
In general, the larger the CADR value, the higher the purification efficiency of the purifier. That is the clean air output ratio, which directly affects the purification efficiency. The higher the CADR value, the higher the purification efficiency of the purifier and the larger the applicable area. It can be seen that CADR is an important indicator to measure the excellence of an air purifier, but note that this is not the only or dominant indicator.
What should I pay attention to when purchasing an air purifier?
The brand, function, performance, design, and price of the air purifier are very different and dazzling. Consumers are advised to purchase products according to their actual needs, not as many features as possible. For example, for consumers who need to protect PM2.5, it is recommended to choose an air purifier with an outstanding PM2.5 purification capability. Newly renovated homes can focus on air purifiers that have outstanding formaldehyde and toluene capabilities.
At the same time, when purchasing, try to choose a big brand, the quality will be more secure.
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In addition to the inhalable particulate pollution and harmful gases, the air pollution problems encountered in our daily lives are also a part of the biological pollution. In an indoor environment, factors that can cause biological contamination include bacteria, fungi, filter viruses, dust mites, and the like. The wide variety of biological pollutants is one of the major indoor air pollution phenomena that people face, and even most of the diseases caused by air pollution are related to biological pollution. At present, the indoor air biological pollution factors causing indoor environmental pollution such as office buildings and homes, causing health damage such as allergic diseases or respiratory diseases mainly include the following: First, mold. Mold is a microorganism that can multiply rapidly in warm and humid environments and is the causative agent of most air pollution-related diseases. Mold in the air can cause nausea, vomiting, abdominal pain and other symptoms, which can lead to asthma, dysentery and so on. According to a study by Aegis, Germany, among adults, asthma caused by various molds is the sum of other factors, and the probability of death is more than twice that of other factors. Second, dust mites. Dust mites are one of the most common air micro-organisms and are small arthropods that are hard to find with the naked eye. Dust mites are one of the chief culprits of allergic diseases, and they proliferate rapidly in indoor environments. In particular, the wide application of carpets, wallpapers and upholstered furniture contributes to the growth of dust mites. The indoor environmental monitoring data of the Ai Jisen best cheap air purifier shows that under normal circumstances, there are at least 10,000 dust mites blown out by air conditioners, which cause allergic dermatitis, rhinitis, and chronic urticaria after entering the human body through the air flow.
Third, Legionella. Legionella is a kind of bacteria, mainly in water and soil. It is a big killer that endangers human health. The mortality rate is as high as 20%. Although Legionella does not spread through the air under normal circumstances, if the room is too humid, Legionella will enter the body through the aerosol mist in the indoor air, resulting in fever, accompanied by chills, muscle pain, headache, chest pain, difficulty breathing and so on. Fourth, animal dander or other biologically active substances. In recent years, feeding pets has gradually become a trend, but the resulting pet dander and other related air pollutants with biologically active substances have seriously affected people’s health. When there is a pet in the room, the number of allergic sources in the air will also increase. According to the survey, about 15% of the general population have allergic reactions to allergic reactions to cats and dogs. As a result, the incidence of allergic diseases such as asthma and allergic rhinitis is greatly increased in families with pets. Most of the best cheap air purifiers on the market can filter out the larger dust mites and animal dander, but for the smaller pathogenic factors such as mold and Legionella, only a small part of the ATP HEPA antibacterial peptide is used. Filter technology and UV photocatalyst air purifiers can effectively kill mold and Legionella. And the integration of these two sterilization and disinfection technologies, only the Agilent air purifier recently launched the flagship product S7.
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Air Purifier evaluation results released to formaldehyde is pure flicker – teach you how to choose an air purifier
Xinhuanet Beijing August 29th (Reporter Zhang Zhilong, Xiao Haichuan) “Removal of formaldehyde 99%” “Efficient addition of PM2.5″… In the past two years, due to the influence of smog, air purifiers have been increasingly popular, and Is the product effect of thousands or even tens of thousands of dollars really magical? Recently, the relevant performance evaluation results of China’s air purifiers released by relevant departments show that the PM2.5 technology in the air purifier purifying air is relatively mature, and the function of scavenging formaldehyde is basically “flickering”, with no significant effect, and the price is high and exaggerated. And so on. Remove formaldehyde by 99%? Test result: Basically invalid. On the 27th, the reporter saw at the air purifier counter of the front store of an electrical appliance store in Beijing that there were twenty or thirty air purifiers on the shelves, and the price ranged from less than 1,000 yuan to nearly 10,000 yuan. Many manufacturers’ large posters are printed with “99% formaldehyde removal”, “complete decomposition without residue”, “smart removal of formaldehyde”, etc., and various “advanced technologies” with letters and English are attached below. The reporter asked about the need to purify the air after the house was renovated. The salesperson immediately promoted an imported brand air purifier with a price of 5,499 yuan. In the promotional materials, this model AC4076 products filter formaldehyde rate as high as 99.1%. The reporter asked the clerk “when the effect can be achieved so well, how the value is drawn”, the clerk said that “this is imported, all the data detected by the authoritative laboratory, authentic and reliable, just use it.” So, the actual use of formaldehyde in addition to the effect is really so ideal? Song Guangsheng, director of the National Indoor Interior-Environment and Environmental Product Quality Supervision and Inspection Center (hereinafter referred to as “Indoor Environmental Inspection Center”) gave a rather pessimistic answer: “Most air purifiers claim that formaldehyde has almost no effect.”
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From the horizontal evaluation of air purifiers in 2013, we completed the industry’s first new national standard horizontal evaluation by 2015. We have evaluated more than 300 air purifiers in these three years.
Reasons for abandoning the 2016 Air Purifier Helping:
1. The air purifier industry has gradually matured, the products have different classifications, and there are different groups of people. We can only create a ranking of 123 for a group of people, which is not entirely reasonable. 2. The new national standard for air purifiers has been very clear and has clear guiding significance for users. If the content we create cannot exceed the new national standard within the scope of the test, then it will also lose its meaning. However, on the question of how to purchase an air purifier, many people do not know how to choose themselves.
Helping users to purchase is a responsibility for the media industry and the media. So we did something different this year: live video! To introduce the purchase technique of the air purifier in detail.
Hug Selena Gomez
We select 11 excellent air purifier products, the price covers 1298 yuan to 10800 yuan, the product types include box, tower and no consumables three types of air purifiers. Here, we will make a simple finishing of this live content.
1 Two core indicators of air purifiers
The air purifier looks for two core indicators: CADR (clean air purification) and CCM (cumulative purification)
CADR represents the purification performance of the air purifier. The larger the value, the faster the purification rate. Applicable area: 0.12*CADR
CCM represents the cumulative amount of purification, which is the life of the filter.
Interpretation: CADR and CCM both contain two data of particulate matter (haze) and formaldehyde (decoration pollution), while CADR is measured under the maximum wind speed gear.
How do we understand these two data? The larger the CADR of the particulate matter, the larger the applicable area, and the better the purification speed; Formaldehyde CADR, the larger the value, the faster the purification rate. However, the concentration of formaldehyde in the home environment is not high, and the purification of formaldehyde should pay more attention to CCM; The maximum grade of particulate matter CCM is P4, and the maximum grade of formaldehyde CCM is F4, which we think is not enough to compare products. If you can consult the store customer service, check the percentage of P4 and F4 that are equal to the initial value. For example, the same as the P4 grade, the product with an initial value of 90% is better than the product with an initial value of 70%.
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Can I put an air purifier in my baby room? Does volume occupy the place?
An air purifier can be placed. However, be cautious when choosing, because most of the air purifiers on the market not only have no effect on purification but also bring many problems in the process of use, such as air purification of a filter and fresh air systems. Because of its purification principle, the built-in fan of the machine is used to pump the dirty air in the room into the machine. When the dust in the air collides against the filter net, the layer of the filter is blocked by the layer, and some large particles of dust are blocked in the filter. In the net, in order to achieve the role of purifying the air. Therefore, in order to achieve a good purification effect, it will increase the rotation of the fan with more power, and the noise of the air purifier will also increase. The noisy noise environment has a very negative impact on your baby. Infants and young children’s central nervous system has not yet fully developed, long-term stimulation of noise, will damage brain cells, hinder the baby’s ability to develop language, recognition, intelligence, reaction, and judgment. It will also affect the sleep of infants and young children, reduce the body hormones and promote the secretion of high endocrine hormones, thus affecting the baby’s height development. It’s good to use it. It’s good to use the space. My family’s brand is large. The square is the same as the one under the desk. It can also be used as a walking bedside table. The bookshelf is Best of all. Because the whole body of the machine is made of aluminum alloy, the air duct is also the front and rear air outlet mode, and the air is blown out before the wind enters the air. Therefore, placing the objects on the top does not hinder the normal use of the machine. At present, the negative ion air purifier using the eco-negative ion generation chip technology and the nano-fullerene negative ion release technology avoids the noise problem while purifying, because it uses the above two technologies to generate a small equivalent to nature. Particle size, high-activity ecological grade negative ions, no need to use a fan, running zero noise. And support all-day purification, late zero consumables maintenance costs. To achieve common three-state pollution (chemical pollution, microbial pollution, and physical pollution) treatment. At the same time, the ecological-grade negative ions generated are important for the mental development of infants. Therefore, for the choice of air purifier for children must choose zero noise, purification of strong purification products.
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Preventing the formaldehyde crisis, starting with the use of air purifiers
In recent years, with the rapid growth of China’s economy, the acceleration of urbanization and the improvement of people’s living standards, more and more people are willing to increase investment in improving the living environment in order to live a better material and spiritual life.
Renovating new homes, improving old homes and adding new furniture seems to have become “home-cooked.” As everyone knows, these new furniture and new decoration imply a formaldehyde crisis, which will cause irreparable harm to human beings, especially children.
Do you know formaldehyde?
Formaldehyde is a colorless, irritating and water-soluble gas, and is the smallest molecular weight aldehyde. The No. 153 “Formaldehyde Carcinogenicity Announcement” issued by the World Health Organization on June 15, 2004, officially confirmed that formaldehyde is a carcinogen. In the same year, the International Agency for Research on Cancer (IARC) raised formaldehyde to a Class 1 carcinogen. Formaldehyde has become an important cause of leukemia.
Formaldehyde has a slightly higher density than air and sinks in the air. The most concentrated space of formaldehyde is less than 1 meter. This height is the most important space for children to absorb air. According to epidemiological statistics in China, about 50% of leukemia patients are children, and they are growing year by year. Home decoration leads to indoor environmental pollution and is considered to be the main cause of the increase in children with leukemia.
In general, formaldehyde in the air mainly comes from three places: wood-based panels for decoration and their wood-based panels, including wood-based panel furniture, partitions, moldings, flooring, etc.;
Decorative paints and adhesives, including latex paints, wood paints, metal paints, and glass glues; soft decoration, including curtains, wallpapers, sofas, carpets, etc.
Children have a large amount of activity, often crawling around and crawling. The amount of breathing is much higher than that of adults, and indoor activities are longer than adults. However, children’s own immunity is not strong and they are more harmful to formaldehyde.
The harm of formaldehyde to children
1. Increase the incidence of asthma in children. According to statistics, formaldehyde release pollution is the main cause of the increase in asthma in children aged 3-5 years; 2. Inducing children with blood diseases. Because children’s immunity is weak, formaldehyde emitted from interior decoration materials can easily damage children’s vulnerable bodies; 3. Make children’s intelligence greatly reduced. Long-term exposure to formaldehyde affects children’s intellectual development; 4. Excessive formaldehyde can even cause malformations in infants. Children with neonatal chromosomal abnormalities and pregnant women are particularly sensitive to formaldehyde and are more harmful. The baby’s immunity is low, the harm of formaldehyde is more serious, and eventually, the baby is deformed.
Therefore, no matter the child’s physical or intellectual development, the harm of indoor formaldehyde pollution to children can not be ignored.
How to reduce the harm of formaldehyde
1. We can increase the indoor green plants to absorb harmful gases through green plants. For example, ivy, spider plant, green radish, and aloe vera are both inexpensive and easy to manage;
2. We can use the ventilation method. By taking the natural circulation of indoor air to take away and dilute the harmful gases in the room. For rooms with poor ventilation, you can use a fan to blow;
3. Activated carbon adsorption method, using activated carbon with adsorption function, bamboo charcoal to remove these harmful gases, while activated carbon can be used repeatedly by drying;
4. Furniture cleaning and drying methods. Formaldehyde is easily soluble in water, often wiped with a wet rag, the effect is very good.
However, the evaporation period of formaldehyde can be up to 15 years, and the above methods are not always applicable. Therefore, the use of air purifiers is a long-term solution.
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