In recent years, people talked about the “smog” discoloration, and most people in the haze day must be fully armed, and masks have become a necessity. The outdoor smog is serious. People always think that reducing the window opening will prevent the smog from running into the room, and it will keep the clean air in the room. As everyone knows, there is actually air pollution in the room.
The smog in the autumn and winter seasons has increased, and people have reduced the ventilation time for the window opening. The long-term confined space makes the harmful substances such as formaldehyde released from the indoor decoration building materials unable to be discharged in time; the harmful substances such as carbon dioxide, dust, and dander in the air increase, the oxygen are reduced, and the health is endangered.
At this time, some families will choose an air purifier. For air purifiers, everyone is not unfamiliar, but many families still do not understand the use of air purifiers. Because most people only know that the air purifier can effectively purify the air, it is not clear what kind of effect the air purifies.
(1) Purifying formaldehyde
Various artificial boards (planing boards, fiberboards, plywood, etc.) in furniture contain formaldehyde, and therefore, if a sheet of the inferior binder is used, the formaldehyde content is higher. The air purifier can effectively remove this formaldehyde, and you can also clean the air.
(ii) Benzene
Benzene is produced in various adhesives, waterproof materials, paints, and paints. Long-term inhalation can cause diseases such as blood cancer, aplastic anemia, and fetal malformation. Air purifiers can effectively remove these benzenes.
(3) Dust
Fine particles of solid matter from dust, which is highly affected by the quality of the air inhaled by the human body. The dust can be cleaned by the treatment of the air purifier to obtain clean air.
(iv) Smoke
Unlike dust, smoke is a small particle formed by the burning of objects. These particles can be suspended in the air and maybe poisonous due to the difference in combustion materials. In order to purify indoor air pollution, it is very important to deal with indoor air smoke.
(v) Smoke
There is a certain difference between smoke and smoke, but the degree of difference is not very obvious. The burning particles are formed by sublimation, condensation, and oxidation, which is very harmful to the human respiratory tract, so it needs to be treated with an air purifier.
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A comprehensive comparison of ventilation systems and air purifiers, which one is more suitable for home use?
Want to protect the indoor healthy living environment, many people will think of air purifiers and ventilation systems, how to choose? What are the price/performance ratios of the two, and what are their respective advantages and characteristics?
Working principle and usage scenario comparison
The ventilation system and the air purifier seem to have similar functions, but in fact, the working principle and the applicable scene are not the same. To really choose the air purification equipment suitable for your home, some basic purchasing knowledge should be clear.
The working principle of the ventilation system is to introduce outdoor air through the air supply system, and at the same time, the indoor air is discharged through the air exhaust system to replace the indoor and outdoor air without opening the window.
The working principle of the air purifier is mainly through the HEPA filter and the activated carbon filter to achieve the purification function. HEPA filters filter particulates and other impurities, while activated carbon filters absorb volatile contaminants.
Comparison of advantages and characteristics
The advantage of the ventilation system is that it can solve indoor ventilation and ventilation without opening the window, forcibly sending air to promote indoor and outdoor air circulation, so that the concentration of carbon dioxide in the room is reduced, even if it stays indoors for a long time without opening the window, it will not open the door. There is a feeling of nausea. At the same time, the indoor dirty air is discharged outside, so that the indoor air is often “new”.
The advantage of the air purifier is its powerful purification function. The combination of high-performance filter screen can effectively absorb harmful substances such as particles, microorganisms, bacteria, heavy metals, odors, and chemicals so that the air is often “fresh”. In addition, the air purifier itself is compact and flexible, and it can be moved to the required place for air purification at any time.
Cost-effective comparison
The ventilation system is a system in which fresh air is cleaned and sent into the room through a new fan unit, pipes, and tuyères, and the indoor dirty air is discharged to the outdoor system. The operation of the entire system unit can guarantee the continuous ventilation and purification function of the whole house as a whole, and the price will generally be higher. Both ducted and wall-mounted ventilation systems require positioning to select the appropriate location for perforated installation.
The best air purifier has a compact body and does not require perforation installation. It can be used directly to quickly purify indoor air. However, it should be noted that the scope of use of the air purifier has certain limitations and is suitable for the purification needs of individual rooms.
Therefore, to improve the air quality in the residential room, choose the air purifier or the ventilation system without tangling, according to the specific installation conditions, the scope of use and effect, the choice is the best.
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Air purifiers are not a luxury, they should be at home!
Now, I am reluctant to buy an air purifier. After two years, I will not be able to buy it. I will take two years of smog and count it as a loss!
Two years of heat can not be considered, can suck two years of smog, then our lungs will be abolished, the body’s injury is irreversible, hurry to install it, do not always regret things!
Smog Don’t want money, life, air purifiers, money, life, face air pollution, air purifiers are not luxury jewelry, but life necessities! A must-have item that is more important than air conditioners, TVs, refrigerators, and washing machines. It protects the healthy breathing of our entire family!
First, people can not do without air
The average number of inhaled exhalations per person per day is 20,000. In order to get the oxygen to survive, we must breathe 12,000 liters of air into the lungs one day.
Second, too many haze days
According to data provided by the Ministry of Environmental Protection, the number of pollution days in Beijing was 175 days in 2014, 197 days in Tianjin, 125 days in Chengdu, 152 days in Shenyang, 112 days in Lanzhou, and 264 days in Shijiazhuang! According to relevant data, there are 500,000 people who die prematurely because of air pollution every year in China!
PM2.5 is a particle with a diameter of fewer than 2.5 microns. The four major hazards of PM2.5 to the human body:
1, respiratory system: PM2.5 can be deposited in the alveolar region, dissolved in the blood, acting on the whole body; insoluble part deposited in the lungs, induced or aggravated inflammation.
We have 300 million alveoli in one lung, and 80 Pm2.5 particles can block an alveolus. If our living environment has 300 units of Pm2.5, we will block 10 million alveoli in a year! 10 years to block a third of the lungs! So it is not sensational to predict that China will lung cancer after 10 years!
It is reported that the mortality rate of lung cancer accounts for 25% of all cancers, ranking first in cancer deaths. For the first time on October 17, 2013, air pollution was the first carcinogen.
2, the cardiovascular system: PM2.5 stimulates the vagus nerve in the lungs, causing the main nerve disorder to spread to the heart, and can directly reach the heart, myocardial infarction.
3, the reproductive system: PM2.5 attached a lot of heavy metals and polycyclic path and other harmful substances, easy to lead to fetal growth retardation and low birth weight children. Toxic can skip the placenta,
4, the blood system: PM2.5 can cause blood system toxicity, induce the formation of blood clots, can also cause abnormal blood coagulation, resulting in increased blood viscosity, leading to cardiovascular disease.
Third, the pollution inside the air can not be ignored
According to the Beijing News, the research team of Tsinghua University collected data from 7703 sampling points in 13 districts and counties in Beijing. The average indoor PM2.5 concentration in Beijing was 82.6 μg/m3 during the sampling period, and the air quality was a mild pollution level. And within one-third of the time, the indoor air is in a state of pollution, that is, PM2.5 is greater than 75 micrograms per cubic meter. On April 22, an indoor PM2.5 pollution public welfare research report was released: Compared with outdoor PM2.5 pollution, indoor PM2.5 pollution has a more significant impact on people, and PM2.5 intake accounts for 80% indoors.
CCTV reports: 80% of the indoor environment is seriously exceeded
CCTV reported that nearly 50% of leukemia originated from renovation
TVOC is one of the more serious factors affecting indoor air pollution. It can be evaporated in the form of air at normal temperature. Its toxicity, irritation, carcinogenicity and special odor can affect the skin and mucous membranes and cause acute damage to the human body. The US Environmental Protection Agency (EPA) defines VOCs as carbon-containing compounds that participate in atmospheric photochemical reactions in addition to carbon dioxide, carbonic acid, metal carbides, carbonates, and ammonium carbonate. The main source of TVOC is outdoor, mainly from fuel combustion and transportation: indoors are mainly from combustion products such as coal and natural gas, smoke from smoking, heating and cooking, construction and decoration materials, furniture, household appliances, furniture, Detergents and emissions from the body itself.
Zhong Nanshan, academician of the Chinese Academy of Engineering: Air pollution is related to the external environment and the internal environment. This is much more terrible than SARS. You can consider isolation in SARS. You can consider all aspects, but atmospheric pollution and indoor pollution are for anyone to run. Can’t fall.
I have done statistics before, the traffic police have 40% of rhinitis, and pharyngitis has reached 23%! Indoor pollution is more serious than outdoor pollution! The indoor pollution source is 2 to 100 times outdoor! We can spend 80%-90% of the time indoors. Globally, 1.6 million people die every year because of indoor air pollution. 90% of children’s leukemia is caused by the recent over-standard home decoration, and 60% of women’s lung cancer is also Related to air pollution.
Air pollution is not only affecting the respiratory system, but also affecting the cardiovascular, cerebrovascular, and nervous systems, but the respiratory system is the first to bear the brunt.
Beijing has increased lung cancer by 60% in the past ten years. This is a very amazing number. Cancer with the highest morbidity and mortality is lung cancer. It should be said that air pollution is a very important reason.
It is a wise decision to choose a quality air purifier to create a fresh air environment for you and your family.
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As people’s quality of life is getting higher and higher, everyone is beginning to pay attention to the quality of air. However, there are still many people who are worried about whether the air purifier is useful when purchasing an air purifier, but few people ask whether the air conditioner or the refrigerator is useful. The reason is that the refrigerator’s refrigerating function, the air conditioning’s temperature adjustment function, our touch can be sensitively identified. The air can’t be seen or touched, the effect of the air purifier is not easy to perceive.
The first time I bought an air purifier, I was more or less suspicious before I bought it. Is this thing really purifying the air? The new decoration of the house said: The new house has just been renovated. Although the door and window are ventilated, there is still formaldehyde. I heard that there is an air purifier specially designed to remove formaldehyde. Is it really useful?
Bao Ma said: Outside is foggy, afraid to take the baby out, but also afraid to open the window, can stay in the airless room for a long time, so many bacteria, the baby always has a fever, I heard that the air purifier can Is it really useful to remove mites and sterilizes?
The housewives said: Every time I cook, I have a range hood, but the evil smoke still burns me into a “yellowface”. I heard that the air purifier can remove smoke and dust, does it really work?
However, when you ask if the air purifier is useless, many households have already started using air purifiers, and they have become a must-have for many families. Even after many households have used air purifiers, the number of colds of the baby has decreased; after the new house is equipped with an air purifier, the green plants are longer and lusher. Although the current air is difficult to perceive that the air is difficult to perceive, let the dirty air become more and more sloppy, or ignore the purification performance of the air purifier. It is necessary to know that the human body has to breathe more than 20,000 times a day, and air quality is a key factor affecting the health of the body. One.
I hope that everyone can pay attention to the issue of air quality, because the damage caused by air pollution to the human body is chronic and invisible, so it will have a great impact on everyone’s physical and mental health in the long run. Although we can’t completely improve this problem, it can help you and your family to improve the quality of the air through air purifiers, using air purifiers, and fresh life from now on.
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Air pollution is worrying. Is the air purifier really 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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Recently, however, people have been unable to move clean air because they are always deteriorating and polluting. Particles and dirt can be harmful to your health and lead to more health problems.
Today, most people keep domestic pets, which can lead to urine, pet odor and dandruff. If this is asthma and other illnesses, it is the best idea to buy a purifier that can cause home air allergies. Without it, your home can collect a lot of bacteria and dust, which can lead to health problems.
Beijing has the world’s largest air purifier to fight smog
A heavily polluted fire has attacked the city, taking people into their rooms, and plans to deploy the world’s largest outdoor air purifier, designed by Dutch engineers, in the smoggy capital of Beijing. The last-minute inspection of Beijing 751 D Park Art Zone will be held shortly after the release of Daan Roosegaarde, and tours will be held throughout the country. Non-governmental organizations and Environmental Journalists from the Ministry of Environmental Protection of China.
The tower can capture about 75% of the small particles around PM2.5 and PM10, then release clean air and create “bubbles” of fresh air around it. Since the beginning of October, ozone-free ion technology has been plagued by serious smog in Beijing. The city’s environmental protection department issued a “yellow warning” on air pollution on Tuesday.
“Yellow warning” is the third most serious level in the four-level color-code warning system, red is the most serious, orange is the second most serious, and blue is the most serious pollution level.
Although the average PM2.5 density of deadly contaminated particles is more than 300, and although the cold front cleared the smoke in the morning, CFEJ Secretary-General Liu Guozheng has never forgotten the responsibilities of the authorities, as they said, they intend to warn and urge the masses to gather to fight the smoke.
Every day, he said, the people, blood and others were troubled by the operation of the tower and asked the authorities to contain dangerous sources of pollution.
“The so-called sacred smoke cleaner is like a performing art, and there is little difference in cleaning urban air. It wastes polluted air and exhales the fresh air, but only a few. The air will continue to be polluted, “Sina Weibo users’comments are quoted every day.
Door handles and other metal objects scratched on the head and attached to the wall of the balloon, when the hair itself upright, the unexpected small vibration is generated by static electricity when approaching, but when two objects touch or friction occurs.
With static electricity
Each substance consists of molecules, each with small atoms, including positively charged protons, neutral neutrons, and negatively charged electrons. When two different substances are arranged side by side, electrons begin to jump from one substance to another.
Static electricity occurs when a substance becomes positive (if it loses electrons) and negative (if there are more electrons) by increasing or decreasing electrons, and the accumulated charge is called static electricity. Insulating materials, such as plastics, can be charged by friction because they are easily accessible or lose electrons.
In 600 B.C., the Greek philosopher Thales observed that some combinations of materials produced sparks more easily than others. Far from rubbing objects on the list can generate more electric charge than nearby objects, such as charging scarves by wiping glass panels with a silk scarf. It’s like a magnet.
When you wear wool carpets and leather shoes, your shoes absorb extra electronics from the carpet at every step. When you lift your feet off the ground, Electronics will spread to your whole body. Next time you wear carpets, there are no additional electronics on your shoes, but there are no additional electronics in your camera, but the types are different.
Todd Hubing of the EMC Laboratory at Lola University, Missouri, said: “If you keep walking on the floor, electrons will fill up.” Given that the normal power outlet on the wall has only about 100 volts of electricity, it’s a serious power source within reach.
Actual use of static electricity
Dust removal: Several kinds of equipment can remove dust in the air, such as air purifier with electrostatic charge can change the charge of dust particles, so that they adhere to the filter of the purifier with opposite charge. This effect is also used in industrial chimneys to reduce pollution. It is basically the same as a household air purifier.
Photocopier: The copier uses static electricity to attract ink to areas requiring information to be copied, but only applies ink to dark areas (usually text and other information) of the paper to be copied. It is not a place where the paper is not white. This process is called electrostatic copying.
Automobile Paint: Substances containing substances are immersed into the metal body of the static car body to protect the metal interior of the car so that the paint on the car is uniform, fast and weatherproof. Yes, the paint is negatively charged.
This process ensures a uniform coating, because basically when the paint is in the car, the extra paint will be rejected by the paint in the car.
In fact despite the air cleaner on the market this claimed the name, variety, function varies, but tracked, primarily no more compared to two from the air cleaner working principle point regarding view: The first is passive infiltration filter home air purifiers work. Bump on a log air purification, with typically the fan draws air into the machine, filtered atmosphere through the built-in display, can play a cloud of main filter dust, odor plus disinfection action. This filtration system air purifiers use extra HEPA filter + carbon dioxide filter + photocatalyst (cold catalyst, how far catalyst) + UV sterilizer & electrostatic adsorption filters as well as other methods to deal using air. HEPA filter inside which the role involving filter dust particles, additionally activated carbon adsorption stench big part, therefore, this can be seen available with a fan filtration, photocatalyst, UV, static electric power, and also other various labels, that seems very puzzling runs air purifier used merely the same, are unaggressive adsorption filter air filter.
The second is the particular essential of active surroundings purification works. Active school-home air cleaners in addition to air purifiers double refinement class on the industry generally pick a proactive refinement technology. The market’s main silver ion purification technologies, negative ion technology, low-temperature plasma technology, photocatalyst technological innovation, and Plasmacluster technology. Effective air purification principles plus fundamental difference between recurring air purification principle will be that active home air flow cleaners to get clear of the restrictions enthusiast and filter, not recurring waiting room air is definitely drawn into the cleanser to filter purification, right after again through the supporter discharge, but effective, aggressive release factor to airflow purification sterilization, characteristics dissipate through the air in order to reach every corner with the room for no deceased air purification. Technically develop active purification technology is primarily used as a filter factor of negative fresh air ions air handling plus using ozone as some sort of purifying process air aspect two kinds. Both happen to be typical purification principles established on active work completed an air purifier.
Refinement Demand Class (1) genuine of type. If typically the indoor humidity is situated in the region considerably more moderate or air top quality requirements aren’t too large, then buy pure kind of air purifier in order to meet demand [1]. (2) purification humidification sort. If you are positioned in the drier areas, ac is often caused by interior air-con and dehumidifiers in order to air-dry, or higher airflow quality requirements, then get an air purifier together with humidification purification function, could be the most suitable choice. (3) intelligent. If you just like automation, intelligent monitoring surroundings quality, or reflect the particular noble taste, or regarding gifts needs more respectable, then buy a clever home air cleaner is the best selection. (4) desktop. Which is located on the desktop, typically the desktop clean air in a certain range close to the protection of individuals health near the pc air purifier. If the particular front with the computer, front side desk, or desk, nevertheless which is not a little indoor area, or within public areas, their very own money to buy the large air purifier plus worthwhile, not fashion, typically the desktop type air cleanser is the better option. (5) and medium-sized. Primarily applied to larger interior applications, such as inside the family hall, mature bank office, mature executive offices, an essential spiel hall conference hall, accommodations, hospitals, beauty salons, kindergartens, and other occasions. (6) central air conditioning method type. Mainly applicable in order to install a central ac, ceiling or have just one room or multiple bedrooms together purification conditions.
Consumer-Driven Upgrade of New National Standard Air Purifier
In Beijing, air purifiers have become the norm for many families. Last year, the list of energy subsidies was included in the air purifiers as part of the brand. The dark hoses in Nissan’s white merchandise released on March 1 did contribute to improving the consumer market for air purifiers.
Recently, at the forum site of the 2nd China Air Purifier Industry Forum held in Beijing, the national standard air purifier was recently launched. Jingdong signed a contract with 17 air purifier companies and issued it. Commitment“
New National Standards Accelerate Consumer Upgrading
As the new national standard of “the most serious” air purifier, as of March 1, 2016, with the manufacturer officially starting to act quickly, the index air purifier index CADR (air purifier) and CCM (cumulative quantity) are the four core indicators to measure the quality of air purifier. Energy efficiency level, noise, it is known that it has aroused the greatest concern of consumers at home and abroad manufacturers.
On the other hand, prices will change the market of new domestic standard products, so as to respond to this continuing “rotation mode” upsurge in the future, high prices are the key point. The data provided by market organizations are at the value level of CADR. The market share of the low-price segment increased significantly when introducing lower-cost products compared with the original new products and data provided by market agents.
Some manufacturers of the original model can upgrade the original model by changing the use of lower-cost products to improve filters and other product upgrades after introducing new national standards. The new national standards have changed the market and made it more competitive.
Third, consumer education: a new national standard, through a variety of media platforms to guide consumers to interpret, guide consumers to make rational choices to buy air purifiers.
The interest of Foreign Luxury Brands
GfK Market Consulting (China) Co., Ltd. provides retail data of 352 million air purifiers in 2015, an increase of more than 8% over the previous year. Retail sales of nearly 75 billion yuan have increased by 10% compared with the downturn of the large consumer electronics market. This figure still deserves attention.
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