The function of the air purifier is very similar to that of the lungs. It is divided into three steps. The first step is to suck in the gas. The second step is to carry out adsorption and filtration treatment in the body. The third step is to release the treated gas. The first and third steps are simple mechanical effects, which are very simple, and the difference in air purifiers is mainly in the second step.
At present, the second part of the air purifier generally includes the following: physical filtration, electrostatic adsorption, and hybrid type. The first type is pure physical filtration. In fact, it is a large-volume, high-pressure fan that passes air through one or several layers of filters to filter out particulate matter and harmful substances. The core components are mainly HEPA (High-Efficiency Air Filter) technology, which is currently the most common in the home market. According to the British BSEN specification, for particles with a diameter of 1 micron, the filtration rate should be above 85% (H10 standard, BSEN1822) can be called the HEPA filter. HEPA is also divided into different grades depending on the filtration efficiency, but the difference is quite limited, and most HEPA technologies have been able to meet the needs of the family. Simply put, an air purifier without HEPA is not recommended.
In addition, activated carbon is also a commonly used air purification material. Activated carbon relies on its large number of micropores to adsorb suspended solids. The activated carbon filtration pore size ranges from about 0.3 to 50 microns. Activated carbon can also adsorb toxic and harmful gases. The adsorption pore sizes of different activated carbons are different, and the interception effect is also different. The smallest micropores can adsorb nanometer-scale volatile gases.
The second principle is to perform adsorption by static electricity. It is also well understood that some dust or hair is absorbed on the winter coat. The principle of such an air purifier is that when the air passes through a high-voltage electric field, ionization occurs, and the ionized gas positive ions are absorbed into the cathode electric plate, and the negative ions are repelled by the cathode, which is attached to the contaminant molecule to bring it negatively. The charge, after which the negatively charged contaminant molecules are adsorbed on the anode plate. Electrostatic precipitators are now available to process molecular grade materials with particles that can be removed to a minimum diameter of 0.01 microns. The electrostatic adsorption type air purifier does not need to replace the filter screen, and it is enough to rinse the filter screen regularly.
Of course, the electrostatic precipitator has two disadvantages. 1. The high-voltage electric field generates ozone, so be sure to pay attention to ventilation when using it. It should be known that ozone can only have a bactericidal effect at low concentrations, but the harm to the human body is as good as PM2.5 when the concentration is high. 2. The ability to remove formaldehyde is minimal. It is the key to choose the right purifier for the health of the family. Lake AP71 air purifier, super clean air volume air purifier, fast de-purification, long-acting aldehyde removal, three intelligent modes to meet various needs, leading the new national standard Chinese family builds.
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The role of air purifiers, as well as tips for use. With the rapid development of the economy, the quality and requirements of people’s lives have been continuously improved, and various new types of electrical appliances have also entered the family life. The following small series will lead you to understand the role of the air purifier, as well as the use of skills. The role of air purifiers and tips What is an air purifier Air purifiers, also known as air cleaners, air purifiers, purifiers, can be decomposed, adsorbed, or converted into various air pollutants (generally including PM 2.5, pollen, dust, odor, formaldehyde, etc.) Products that can effectively improve the cleanliness of the air, such as pollution, bacteria, allergens, etc., are mainly divided into commercial, household, building, and industrial. The role of the air purifier The air purifier has various functions such as odor removal and anti-inflammatory. It takes only 40 minutes to effectively remove harmful gases such as pm 2.5. For every problem of odor, sterilization and formaldehyde removal, every brand of air purifier can be realized. In a word, its main function is to provide users with healthy, clean and safe air. The role of air purifiers and tips The role of air purifiers and tips Air purifier tips 1, the position of daily use is very important, as far as possible not to rely on walls, furniture, it is best to be placed in the middle of the house, or when leaving the wall more than one meter away from the use. 2. According to the pollution situation of the environment, activate the China best air purifier to clean the air. For example, an air purifier that purifies PM 2.5 pollution is preferably used when the atmosphere is heavily polluted or the indoor environment is contaminated so that an excellent purification effect can be obtained. If the quality of the air is very good, there is no need to open the air purifier for a long time. It can be used with a humidifier during summer and winter, so the effect is optimal. 3. Daily maintenance and cleaning of the purifier in time, and an electrostatic adsorption purifier for cleaning the signal lamp. When the signal light is on, it means that the dust collection is full, and the dust collecting plate must be cleaned in time. 4. During the use process, pay attention to observe the actual purification effect of the Olansi air purifier. If it is found that the purification effect has a significant drop, or if the air purifier is turned on and there is an odor, then the filter material should be replaced in time, and the filter should be cleaned. The device is over. 5. Pay attention to safety when using it. When using an electrostatic adsorption air purifier, focus on avoiding direct contact with children because the voltage is too high to avoid life-threatening electric shock. High-efficiency filters and activated carbon filter cartridges should be kept away from fire when used, to prevent smokers from falling into the fire and to prevent accidental fires. 6. The purifier with high-efficiency filtering function can often check the filter element and replace the indicator light. If there is no indicator light, you can open the machine and check the pollution of the filter element. If the filter element turns black, you need to replace the new filter element immediately.
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Is the air purifier effective? Is the air purifier useful?
Is the air purifier effective? Although air purifiers are so popular, they are so popular among consumers, but they still cause suspicion of bad people. The main function of air purifiers is to effectively improve the cleanliness of the air. Then the following small series will lead everyone to understand.
Is the air purifier effective?
The home air purifier has a certain purifying effect on air impurities, but it does not have the ability to completely purify, because it can not circulate the air in the whole room, such as two rooms and one hall, and can only circulate air in one space for purification.
For example, when someone passes by, they will feel the wind caused by the air flow. If two people are far away, they will not feel the wind.
The air purifier can only make local air flow, so it can only be partially cleaned. Therefore, airborne impurities such as particulate matter (such as PM2.5) and decoration contaminants (such as formaldehyde) in the air cannot be completely removed.
Then, in the range where the household air purifier can be purified, can air impurities be solved? The air purifier can solve the particulate matter of 0.3 micron and above in the air, but it cannot solve the decoration pollutants in the air.
The direct reason is that the purification speed of most air purifiers is less than the volatilization speed of the decoration pollution source. The fundamental reason is that the air purifier does not solve the volatilization source of gaseous decoration pollutants.
Is the air purifier useful?
For all new houses, formaldehyde will be produced after renovation. Many users know that the newly renovated houses cannot be checked in immediately. They must be ventilated for a long time to stay. If you want to stay in a new house in a short time. In fact, at this time you can consider putting an air purifier in the newly renovated house, so that the harmful gases such as formaldehyde in the new house can be quickly cleaned.
In fact, many people are now useful for air purifiers. There is a certain question in this question. The air purifier is mainly composed of a motor, a fan, and an air filter. When working, the motor and fan in the machine. The air in the room will flow, and the polluted air will be sucked into the machine, and the various contaminated areas in the air will be removed by the air filter inside the machine. Nowadays, there are many new air purifiers that use a negative ion generator in the outlet of the air purifier. It can continuously ionize the air and eventually produce a large amount of negative ions, which are then sent out to the machine through the fan. Achieve clean and clean air.
The general validity period of an air purifier is about 12 months or a year, but the expiration date after opening is greatly reduced to about 3 to 6 months. The air purification product of the activated carbon adsorption function in the air purifier is very effective in a short period of time, but since the activated carbon needs to be replaced every two months or so, the cost will be high if used for a long time. Therefore, when selecting an air purifier, you should consider what kind of air purifier your family needs, which is cost-effective.
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Why do you say that there is no fog in summer, but you still have to open an air purifier?
As soon as summer arrived, the foggy days in Beijing were significantly less, especially during the “Belt and Road” summit. Many people turned off their own air purifiers and enjoyed the blue sky. However, what most people don’t know is that behind this kind of enjoyment, there is still a hidden risk. There are still shocking air pollution under the blue sky, but the pollution does not exist outside but exists indoors.
There is a fog in winter and TVOC in summer.
Today, everyone knows to guard against smog in the winter but ignores the “TVOC” in the summer. The so-called “TVOC” is the abbreviation of Total Volatile Organic Compounds, which refers to indoor organic gaseous substances, also known as total volatile organic compounds, including carbon monoxide, carbon dioxide, carbonic acid, metal carbides and other toxic and harmful gases in the air.
There are many sources of pollution indoors, and whether it is summer or winter, it is equally polluted, especially in summer.
The release of indoor pollution such as formaldehyde is greatly affected by temperature, and the indoor and outdoor temperatures are high in summer, so it is easy to cause indoor pollutant concentration to exceed the standard. For every 1 °C rise in room temperature, formaldehyde volatilized from wooden furniture and flooring will increase the concentration of formaldehyde in the air by 0.15 to 0.37 times. Therefore, the volatilization of paints such as benzene and ammonia is more serious in summer than in winter, and radioactive cesium is often contained in household tiles. This serious carcinogenic gas also spreads with increasing temperature.
In addition, there are more air conditioners in summer, indoor ventilation is not ventilated, and indoor pollutants remaining in the decoration gather. Many household air conditioners do not clean and cause secondary pollution. The bacteria and microorganisms are gradually deposited, and cold air with harmful substances is added. After the respiratory tract, not only will people feel dry mouth and mouth, there will be mild cold symptoms, and in severe cases, it will cause various respiratory diseases, which is what we often call “air conditioning disease.”
The World Health Organization has listed indoor air pollution as a top 10 threat to human health, including hypertension, hypercholesterolemia, and obesity. The main culprit of respiratory diseases and intestinal infections and even leukemia, which are predisposed to infants and young children, are also closely related to indoor air pollution.
At present, indoor air pollution has not caused much attention in China, but I believe that with the further popularization of the media, the concept of TVOC in the future will be as popular as the smog.
How to effectively reduce indoor air pollution?
How to prevent indoor air pollution in summer? Especially after the renovation, many families will adopt some soil methods other than formaldehyde in order to prevent the concentration of formaldehyde and radioactive cesium from being too high, but these remedies do not necessarily work.
1, window ventilation, only the standard is not cured
The most common method is to open the doors and windows for long periods of time. Many Chinese families generally open a new home window after the renovation, and then stay in the air for several months to six months. But we all know that formaldehyde has a certain volatility, and the rate of volatilization has a great relationship with the temperature and humidity of the environment. The higher the temperature, the higher the humidity, the greater the volatilization speed. Therefore, formaldehyde can be removed to some extent by ventilation, but this method can only relieve the effect.
However, formaldehyde exists in three states: free state, adsorbed state, and combined state. According to a report in the China Daily in 2016, only formaldehyde in the free state can be eliminated by ventilation, and it can be eliminated more than 4 times the normal wind speed. In addition, the concentration of formaldehyde in indoor air is related to many factors, such as indoor temperature, indoor relative humidity, indoor ventilation, etc., which will increase the intensity of formaldehyde emission under high temperature and high humidity conditions.
Studies at Yokohama National University in Japan have shown that the release period of indoor formaldehyde is generally 3-15 years, and it is impossible to remove indoor formaldehyde after ventilation after renovation. However, in the later life, the radioactive cesium in formaldehyde and ceramic tiles in wooden furniture will continue to volatilize. These volatiles are not completely eliminated after ventilation, but are accompanied by long-term residence.
2, bamboo charcoal bags, plants, fruit skins are floating clouds
Many people hope to absorb formaldehyde in bamboo charcoal bags, formaldehyde scavengers, vinegar, plants, and fruit peels. The Zheda Ice Pest Laboratory conducted special experiments on this. They selected bamboo charcoal bags, formaldehyde scavengers, vinegar, plants, and fruit peels, as well as rooms that were completed for 3 months as experimental rooms.
The data shows that the formaldehyde concentration in this 10 square meter room is 0.196mg/m3, which is nearly double the national standard of 0.1mg/m3. After 3 days, it was found that formaldehyde was removed by bamboo charcoal. The concentration of formaldehyde in the air was 0.190 mg/m3, the test data of vinegar was 0.198 mg/m3, the detection of fruit peel was 0.201 mg/m3, and the test data of formaldehyde scavenger and plant were 0.196. Mg/m3.
In other words, these five measures do not have much effect on eliminating decoration pollution. The core reason is that formaldehyde is continuously emitted, and passive absorption is very inefficient. The most typical is the plant, which has a very limited breathing capacity, usually in the microgram (one millionth of a gram) level, which is almost negligible.
3. The logical paradox of environmentally friendly building materials not being environmentally friendly
In consideration of the ineffectiveness of these methods, some families have tried to adopt the “environmental building materials” promoted on the market. However, in fact, environmentally-friendly decorative materials only refer to the release of harmful substances within the state and does not mean that there is no formaldehyde release.
More contradictory is that the national GB18584-2001 “Limited Quantity of Hazardous Substances in Wood Furniture for Interior Decoration Materials” requires that the amount of formaldehyde released should be ≤1.5mg/L to meet the standard. Since the implementation of the standard for many years, after the development of the industry and the promotion of the merchants, many consumers have already known that the E1 standard is “≤1.5mg/L”, which has become the “minimum standard” for the emission limit of many finished products such as wooden doors. .
But the drawback of this standard is that if the furniture uses this material, the larger the volume, the more formaldehyde is released. Therefore, the more indoor furniture under the domestic environmental protection standards, the excessive release of formaldehyde content is likely to exceed the standard. That is to say, even if every piece of furniture and every building material is environmentally friendly, the amount used in a house may cause excessive pollution in the room. To achieve true health, you must have a higher standard than the standard.
Eliminate TVOC and trust professional equipment
After learning a series of “unreliable” methods of removing formaldehyde, everyone must have doubts. Is there really no good way to deal with formaldehyde? In fact, at present, it is relatively recognized internationally that a relatively effective means is to carry out formaldehyde adsorption in the environment through the high adsorption of activated carbon. Different from the large pore size design of bamboo charcoal material, the pore diameter inside the activated carbon is relatively small, and it can effectively filter and adsorb formaldehyde gas molecules, and can achieve good results.
The activated carbon was industrially designed to enter the home scene, and an household air purifier product with formaldehyde removal function came into being. However, some purifier filters cannot decompose formaldehyde to represent gaseous air pollutants. To effectively purify the pollution, it is necessary to use a purifier equipped with an activated carbon filter.
In fact, in developed countries in Europe and America, air purifiers have become an essential electrical appliance at home, just like refrigerator color TV washing machines. Part of the reason why people in developed countries with relatively good environments still consume air purifiers is medical reasons. On the one hand, respiratory diseases such as asthma will cause some people to have higher air quality requirements, and on the other hand, they have special requirements for the quality of the air environment. Air purifiers play an important role in daily households in Europe and the United States. The root cause is that European and American residents have a relatively high awareness of indoor air pollution.
In fact, air purifiers are widely welcomed because air purifiers are based on passive adsorption of activated carbon, through scientific air duct design, more professional air quality sensors and more intuitive air quality display modes, enabling air purification. The device not only realizes high-efficiency formaldehyde adsorption purification, but also helps users to intuitively understand the air quality of the current environment and make the air purification process truly “visible”.
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When purchasing an atmosphere purifier, it is suggested to try and purchase it found in formal channels such while shopping malls, electrical retailers, brand stores, and well known e-commerce websites.
Since 2013, the brand, function, efficiency, design, and price regarding home air cleaners usually are all very different, generating people dazzled. It is definitely suggested that consumers buy products according to their particular actual needs, and not really that this more functions, the particular better. For instance, with regard to those who need in order to protect PM2. 5, this is recommended to pick an air purifier together with outstanding PM2. 5 filter capability. Newly renovated houses can concentrate on air cleaners with outstanding formaldehyde plus toluene removal capabilities.
two, filtration technology
The particulate pollutant filtering technology is definitely mainly HEPA filter. The caliber of HEPA filter is bumpy. Although some small manufacturers of filters have great filtration efficiency, they need large resistance, low strength efficiency ratio, and perhaps they are effortless to clog and have got a quick lifetime. It is usually generally recommended to employ a deep-capacity-dust HEPA filtering with an electrostatic electret. Static electret technology permits non-woven fabrics to always be charged with positive in addition to negative electricity to efficiently trap particles in typically the air. Many HEPA filter systems are said to have got electrostatic electret technology. On the other hand, because of technical reasons, the particular electret charge of a lot of filters will attenuate swiftly in a short time of time period, resulting in reduced filtering efficiency. You can pick an is sold DUST filter such as 3M static electret, and utilize the same electrostatic electret technological innovation as the 3M face mask to permanently ensure that will the electret efficiency will not attenuate.
3, emphasis on the area or perhaps particulate matter clean air flow (CADR)
The effectiveness associated with the air purifier’s filter ability is mainly identified by the applicable location and the amount regarding climate of the particulate matter (CADR: the price of supply of thoroughly clean air). The relationship among the two is: the particular applicable area = CADR x 0. 1. The particular ability to purify some other pollutants should be mixed with the applicable location.
4, energy efficiency in addition to energy efficiency score
Weather purifiers are usually employed continuously for a lengthy time. The energy performance ratio is an crucial indicator to gauge typically the purification capacity and energy consumption of air devices and deserves everyone’s consideration. The higher the vitality effectiveness ratio and energy effectiveness rating, the more high efficiency the air purifier plus the lower the price of use.
5, ozone release
Ozone as some sort of strong oxidant has a new certain capability to purify, although it is damaging in order to the human body. The particular state has mandatory basic safety requirements for ozone relieve from air purifiers which is limited to <=5 x 10-6% (ozone features a fishy smell).
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Do you know the misunderstanding of using an air purifier?
“The necessity and importance of replacing the filter” Whether you understand it or not, you should revisit this knowledge! What happens when the filter is not replaced in time?
Affect air purification 1
According to the actual local air quality and combined with the composite filter replacement prompt on the machine, the composite filter produced after May 2017 has a replacement cycle of 3168 hours. When the composite filter has expired, the top 5 air purifier will remain at Running in 1st gear will not force shutdown until the filter is replaced.
However, if the composite filter is not replaced in time, the air purification effect will not be guaranteed.
Make odor into the fuselage 2
The filter and the purifier itself do not produce any odor. The main reason for the odor is that all the odor particles in the air will be adsorbed on the filter screen. When a variety of different odors are piled up, different kinds of odors will be mixed. The taste is what we commonly call the odor.
When the filter’s activated carbon is saturated with filtration, the odor particles adhere directly to the white high-efficiency filter (commonly known as the HEPA filter). At this time you need to replace the filter in time!
When the HEPA filter produces an odor and does not change the filter in time, the odor particles that the filter cannot adhere to are directly sucked into the inner air duct of the purifier and adhere to the surface of the plastic, even if a new filter is replaced. The net still produces odors.
The new filter can be replaced and turned on in another space and the maximum wind speed is blown for a while. If the pollution is serious, you need to carry out after-sales maintenance disassembly cleaning! Reduce the interception effect 3
The blocked filter not only reduces the output of clean air but also greatly reduces the interception effect of pollutants in the air, resulting in a greatly reduced air purification effect. People living indoors inhale the unclean air, which is equivalent to letting themselves The lung acts as an “air purifier.”
Therefore, the blocked filter should be inspected and replaced in time!
Lead to secondary pollution 4
The traditional air purifier adopts the purifying mode of fan exhaust + filter filtering. Once the filter is saturated and not replaced in time, the microorganisms intercepted by the filter and the bacteria and viruses raised by the filter will be blown back into the room by the fan, resulting in two Secondary pollutions.
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Don’t buy a small air purifier anymore! Useless! All you need is a new style!
Air-conditioning, basically every family has it; it relies on it to cool in the summer, and it keeps warm in winter, which is better than the husband. Buy a top 5 household air purifier and optimize your home air without worrying about smog. However, although the fresh air system cannot replace the air conditioner, it can solve the air pollution problem and is much more useful than the purifier.
As for the fresh air, the system is stronger than the purifier? Is it necessary to install it? Let’s talk about it in detail below.
The fresh air system evolved from an exhaust fan.
Later, due to air pollution problems, fresh air systems with filtering functions were born. Its function is that the air inlet filters the outside air and sends it to the room; the air outlet draws the poor air inside the room and sends it to the outside. Therefore, the most important role of the fresh air system is to change the air and filter. The new style without these two functions is just an advanced exhaust fan.
When it comes to filtration, you might think of a purifier because its role is to filter impurities in the air. However, there is an essential difference between an air purifier and a fresh air system, because the purifier can only be ventilated indoors, it filters the air we breathe back and forth, and can only filter PM2.5.
The fresh air system can dilute formaldehyde because of the role of ventilation. Just look at this. However, due to the pipeline, the fresh air system is louder than the purifier and the cost is higher.
Still, friends are curious, can the fresh air system replace the air conditioner? The answer is no. The main function of the fresh air system is to ventilate and not control the temperature. Although its heat exchange can keep the air coming in from the room and the room at temperature, it also needs air conditioning and heating.
With heat exchange, after the outdoor air cleaner comes in winter, there will be no cold due to the sudden cold air. However, the air temperature after heat exchange is still a few degrees different from indoors, but the impact is not significant.
If you decide to install a fresh air system at home, besides knowing that the fresh air system is more effective than the purifier, you can’t replace the air conditioner and the heating. You also need to know the problems that need to be paid attention to when buying and installing the fresh air system, because you don’t understand the pits.
1, look at the amount of air Before buying a fresh air system, you must have how many flats in your house, in order to choose a fresh air system suitable for your own air volume according to the number of square meters.
80-120 flat house, 250 air volume. More than 120 flats, within 200 square feet of the house, choose a fresh air system with a capacity of 350. However, the larger the fresh air system, the louder the noise, and the noise, energy consumption, air volume, and heat exchange rate are all related to the fan, so it is really important to choose a good quality fan!
2, see the classification
There are three kinds of new fans: ceiling, cabinet, and wall hanging. It is recommended to have a ceiling type. First, because it is convenient to install, it does not affect heating. Second, the air circulation in the whole house is good. The cabinet and wall-mounted models are not as good as the ceiling air fresh air system in terms of air circulation throughout the house. When installing, select the top air supply + top exhaust air, which does not affect the installation floor heating, and the maintenance is convenient.
Precautions:
1, change the filter The filter material is the most expensive thing in the fresh air system. Electrostatically adsorbed filter media does not need to be replaced, but it will release ozone. If it exceeds the standard, it will cause problems such as cough, shortness of breath and itchy skin. Since it is a fresh air system for a healthy installation, it is better to choose physical filtration. Physically filtered filter cartridges are replaced 3-6 months to see the degree of air pollution. This health consumption is much cheaper than going to the hospital.
2, the installation is early The fresh air system is best installed when it is renovated at home, and it can be done in 1-2 days. Install the fresh air system before the decoration, you can choose the ceiling type fresh air system, and the pipeline is convenient. If the renovation is considered, only the wall-mounted fresh air system can be selected. Note that the kitchen and toilet are not required to be considered for installation, as these two areas require separate ventilation.
3, the pipeline is selected The pipes of the fresh air system have hoses and pipes. The hose of PE is more than a thousand dollars more expensive than the hard tube. The advantage is that the noise is small and the air supply is good. The PVC pipe is cheap, but the room is far away from the host, and the air volume is small. If it is not bad money, recommend the hose; if the money is bad, choose the hard tube of PVC, it will not affect the overall fresh air circulation, and the noise of noise treatment will be much smaller.
Therefore, there are air conditioners and purifiers in the house, and it is necessary to install the fresh air system because the first two can not solve the problem of ventilation and air pollution. Moreover, the future fresh air system will become more popular, because scientific methods can change our living environment.
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Air pollution is worrying, is the air purifier useful?
Due to the continuous increase of haze weather in recent years Many cities PM2.5 values frequently burst table Plus new home decoration, purchase furniture, formaldehyde, etc. In order to breathe clean air More and more people are starting to buy the best air purifier for cigarette smoke removal So is the portable air purifier for smoke really useful?
The answer is certainly yes.
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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What is better for fresh air systems and air purifiers?
The invisible killer that pollutes formaldehyde, smog, and bacteria around us is endangering the health of the family. In order to improve the indoor living environment, air purification equipment is increasingly entering the ordinary family.
· Whose pot is the unhealthy indoor air?
Excessive concentrations of harmful microparticles (PM2.5): Long-term inhalation is harmful to health because of the high indoor PM2.5 concentration caused by haze and second-hand smoke.
Excessive concentration of harmful gases (TVOC): TVOC includes various harmful gases such as formaldehyde. Indoor TVOCs are mainly derived from combustion products such as natural gas, smoke from smoking, heating, and cooking, and glues, paints and paints in construction and decorative materials. , plates, wallpapers, furniture, etc.
The oxygen content is too low: people inhale fresh air and exhale carbon dioxide. For a long time, the amount of oxygen in the air is less and less, which may easily lead to dizziness and nausea.
Which living environment requires air purification?
Homes that have just been renovated or refurbished; homes for the elderly, children; homes for people with asthma, allergic rhinitis, and pollen allergies; homes for pets; homes that are more closed or affected by secondhand smoke; homes for pregnant women and newborns The residence of people who enjoy a high quality of life.
The core purpose of the air purifier is to purify indoor air, filter harmful substances such as PM2.5 and formaldehyde, and maintain indoor air at a level that is not harmful to health. The air purifier is treated with indoor air, which reduces the content of PM2.5 and TVOC, but does not change the oxygen content.
When using an air purifier, a long-term start-up can make the indoor pollutants reach the final desired purification effect. In order to ensure a good purification effect, it is recommended to place it in the middle of the house. But it is best not to be too close to the human body to avoid being affected by harmful gases around the purifier.
In addition, the air purifier should be cleaned and maintained regularly, and the degree of adsorption of the filter layer of the air purifier should be monitored and checked in real-time to be cleaned and replaced in time according to the pollution situation and extent. When cleaning the coarse filter of the air purifier, it can be rinsed with clean water, but the HEPA filter can’t be washed with water. In order to prolong the service life of the HEPA filter, it is generally cleaned with a vacuum cleaner.
Fresh air system
The fresh air system can efficiently filter the outdoor air without opening the window, and then remove the harmful gas to remove the fresh air. The most basic function of the fresh air system is to change the air and maintain the oxygen content in the indoor air by introducing new air into the closed room. By ventilating, the oxygen content is reduced while reducing PM2.5 and TVOC content.
The ventilation of the fresh air system is orderly and controllable. It uses the design of the air outlet and the air inlet to deliver fresh air to the place where the owner needs it most, while the dirty air in the room is discharged for the first time in the shortest distance. Moreover, the ventilation of the fresh air system is gentle and quiet, continuous without noise, and does not form a more comfortable interior. Not only that, but many fresh air systems now have a heat recovery function that makes the interior more comfortable and more economical and energy-efficient during operation.
The fresh air system is responsible for maintaining the indoor oxygen content and performing a preliminary filtration. The air purifier is responsible for repeatedly cleaning the air entering the room to achieve a healthy level.
When considering the purchase of air purification equipment, the fresh air system and the air purifier are not an alternative. When conditions permit, especially in new homes, it is recommended to prioritize the installation of fresh air systems. If the air quality in the area is not good, the fresh air system can be used with the air purifier to provide you with a more comprehensive and healthy breathing environment.
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