Air purifier anti-mite: comfort is far greater than effectiveness

Air purifier anti-mite: comfort is far greater than effectiveness

Can the best small room air purifier for allergies withstand smog and purify PM2.5?

As long as there is a haze, even if the window is closed, the concentration of particulate matter in the room will increase several times or even several times. But can the small room air purifier really filter out these harmful gases in the room and let us breathe fresh air?
1. The air purifier was born to solve the pollution of particulate matter, but the purifier that really filters PM2.5 is rare.
Air purifiers originated from firefighting purposes. In 1823, John and Charles Dean invented a new type of smoke protection device that allowed firefighters to avoid smoke during firefighting. After nearly two hundred years of development, the focus of air purification has shifted to air purification methods, such as home air purifiers. The air purifier was originally created to solve the particulate matter pollution, but the smoke does not have the reference value for PM2.5 particles.
PM2.5 refers to particulate matter with a diameter less than or equal to 2.5 microns in the atmosphere, also known as lung particles. Its diameter is less than 1/20 of the thickness of a human hair. In Western countries, more than 90% of air purification devices are aimed at allergic patients, that is, people who have severe discomfort with pollen, pet hair, smoke, mold and dust. The Chinese people’s more demand is to filter the waste particles in the air. Many waste particles, especially PM2.5, are much smaller than pollen, dust and other particles. Therefore, purification devices that work well in Western countries may not be suitable in China. According to the monitoring data of the home appliance research company Zhongyikang, in 2013, foreign brands in the Chinese air purifier market accounted for more than 80% of the market.
2, the most favored HEPA filter air purifier, filter maintenance costs are too high can not “resistance”
The HEPA filter air purifier is the most popular “anti-crack” air purifier on the market. HEPA technology was first developed by American scientists for the Manhattan Project to filter out radioactive particulate matter in the laboratory air. The standard HEPA filter is capable of absorbing 99.7% of suspended particles of 0.3-micron size (0.3 micron is the most difficult to filter). Of course, the physical gap of the HEPA filter is much larger than 0.3 micron, otherwise, the air purifier will be ventilated. affected. The reason why it can block 0.3 micron particles depends on some chemical fiber or glass fiber. Therefore, the HEPA filter can’t be washed with water and can only be replaced regularly. HEPA filters are available in a variety of materials and have a service life between June and August. This increases the cost of using the air purifier. Some people have spent a lot of money to buy an air purifier, but they are too expensive to maintain. They don’t change the filter according to the requirements. The result is that it is only occasionally opened but has no effect. It is purely wasteful, or equivalent. Buying a piece of furniture has no other use than occupying a place.

It is worth mentioning that HEPA technology is not called if you want to call it. It must be certified by the US Department of Energy. Those who use the “HEPA filter” or “Imitation HEPA filter” air purifiers, not to mention It’s time to fight against it.
3, the efficiency of handling air pollution is not equal to the ability to clean
Assessing the purification capabilities of air purification equipment requires clarifying two concepts. One is efficiency and the other is effectiveness. The efficiency of an air purification unit is usually expressed as a percentage, which refers to the proportion of air pollutants that pass through the equipment; and effectiveness refers to the ability of the equipment to reduce pollutants in the area occupied. Efficiency mainly depends on the air passing rate and the ability to bear PM particles. The effectiveness is related to efficiency, but it also relates to how much air is purified and how much clean air is purified, which reflects the processing capacity of air purification equipment. Many merchants only label the efficiency of the device, not its effectiveness, so even if its efficiency reaches 90% or more, it may be inefficient in dealing with indoor polluted air.
4, the purifier can only improve the air quality in a small range, can not cover the entire room
The air of an ordinary house is not introduced from the tuyere where the air is introduced from the outside. After being filtered, sterilized, and exchanged by the fresh air vent, it is sent into the room but is accessed by the door and window. Air purifiers require air convection, and one of the most intuitive indicators of decontamination speed is ventilation. The air purifier is placed in the corner, and its purification range is generally about 2 meters in diameter so that the air in other places is difficult to be “captured” by the purifier. Some foreign air purifier manufacturers are often selected to sell when the house is being renovated. They will make reasonable planning and design of the entire building structure as needed.
Then, whether the air purifier is embedded in the doors and windows and the production of a window-mounted air purifier can become an “anti-霾 artifact”? In fact, if the outdoor air pollution is too heavy, it will not be long before the contaminants will block the filter unit of the purifier. Although the effect will be very good, the cost of replacement and maintenance for this is not something that ordinary people can afford.
Blind use of air purifiers is harmful

On March 26, 2013, British artist Matt Hope rode his invented “air filter bike” through the streets of Beijing, which was shrouded in fog.
1. The air purifier may cause secondary pollution and cause harm to the human body.
At present, air purification using electrostatic dust removal technology on the market is also recommended by the sales staff of major supermarkets. Electrostatic dust removal technology uses anode discharge to bring positive pollutants to airborne particulate contaminants and uses Coulomb force to adsorb charged particulate contaminants on the dust collection device to purify the air. However, there is no way to eliminate bacteria on particulate pollutants, and ozone is generated during the use of positive electroacupuncture. The half-life of ozone is longer than half an hour. Ozone is an irritating gas to the lungs, which can cause asthma. , cough, chest tightness and other symptoms. The American company (Sharper Image), which used to produce electrostatic adsorption air purifiers, was sued by consumer organizations because of excessive ozone. After losing the case, sales fell sharply and soon declared bankruptcy.
Some air purifiers may also generate some new potentially toxic contaminants or may re-transmit the previous contaminants. For example, purification equipment using HEPA and activated carbon filtration is easy to become a breeding ground for microbial growth because the filter element is not easily replaced in time.

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Baby coughs and coughs in winter, friends come to help, Olansi air purifier experience

Baby coughs and coughs in winter, friends come to help, Olansi air purifier experience

In the winter, it was dry and cold, and the smog was frequent. The children with respiratory infections in the hospital coughed up one after another, and their parents collapsed. “The cough is endless, doctor, give him a cough…”

When the child coughs, the parents are both distressed and anxious, and always want to hurry. Is this the right way to deal with it? Winter baby coughs forever? What can parents do?

Cough is sick, hurry to stop coughing?

Xiaonan first said that cough is a common symptom of the respiratory tract. Because the trachea and bronchial mucosa are caused by inflammation, foreign body, physical or chemical stimulation, the cough has a protective effect on clearing foreign bodies and secretions in the respiratory tract.
When the baby coughs, it means that the virus and bacteria may already be irritating the mucous membranes of the respiratory tract. At this time, the mucous membrane will secrete more mucus. This mucus, which is covered with bacteria, is the legendary cockroach.

If you cough and cough, it seems that the cough has stopped, but the cockroach is still inside. The problem has not been solved. What is more serious is that once the pathogen in the sputum is infected into the lungs, new infections and even pneumonia will form.

What is the high incidence of cough in winter? How to do home care?

In the winter season, Xiaonan sometimes coughs a few times, the delicate baby is easier to recruit, allergies, inhalation of foreign bodies, climate change, bacterial infections are all reasons.

Especially when the air quality is not good, such as the main force PM2.5 in the smog, the human body can’t stop it. When they go deep into the alveoli, the alveoli are less and even fibrosis, and the breathing function of the treasure is red. Cough is naturally indispensable.
Moreover, PM2.5 is not what parents imagined as “going home,” and it will also sneak into the room. This is also a reason why even a baby can cough if he or she goes out.

Xiaonan first shares your care experience with you:
Download weather software, always pay attention to air quality, if you take the baby out, pick the air at a relatively good noontime; give the baby a special anti-fog mask for children; every time you come back from outside, quickly change clothes for the little guy to wash your hands and wash your nose. Then eat; the house should be dusted and moisturized in time.

By the way, you must let your baby eat well and sleep, and the resistance will increase. The risk of cold, cough or smog will be less.

The big environment can’t change, and the indoor air is fresh.

Xiaonanjia has a 2-year-old male treasure. Like all mothers, the big environment can’t change. At least, make sure there is a pure land in the room.
The smoggy winter plus the upstairs is actually in the decoration, the heart of the madness has dust, as long as the window is not closed, the house is flying all over the sky, the baby is coughing, the vacuum cleaner is almost overworked, and the window can be closed all day. The air is not good for the baby. The most worrying thing is that the formaldehyde on the upstairs will affect the health of the little guy…

Anxious, I really want to move! No way, I started with an Olansi best rated small room air purifiers in the double twelve fires to see if I can help.

“Mom, it also wears a blue dress.” After disassembling, the baby thinks that the front filter is clothes, then the clothes, 5 colors are enough for it to change, the purifier is for him, Xiaoye can Accept, Xiaonan is relieved half.

Grandma heard that “the purifier comes with 5 pieces of clothes”, and also came to see a lively, the old man is very afraid of being blinded by electric appliances, but fortunately, the middle button can be operated with one button, and the gear position is also convenient.

“How does the wind blow directly up?” The new dad who watched the lively +1 said that it was different from the one used before. It’s not good to blow up, or blow it directly on your baby?

By the way, Xiaonan also wrote about the effect of the night light on the baby’s eyes and body development. I tried it on the first night, the light was soft, and it didn’t cause too much damage to the little guy’s eyes.

What is the most important purification effect? There is no data displayed on the fuselage. Xiaonan borrowed an evaluation instrument from a friend. What is the effect? There are pictures with the truth.

This is when the noon has been used at noon on December 24, when the outdoor is moderately polluted (the first line is the formaldehyde concentration, the third line is the PM2.5 concentration), it can be seen that the indoor air quality is also very bad.

After 2 hours of use, it can be seen that the indoor PM2.5 concentration drops sharply and the indoor air quality turns good.

PS: The national standard value of indoor formaldehyde is not more than 0.1 mg / cubic meter (if there is a maternal and child elderly, it is recommended to refer to the family formaldehyde concentration does not exceed 0.08 mg / cubic meter), PM2.5 concentration standard 24-hour average concentration limit The value does not exceed 75 micrograms per cubic meter.

If you also encounter the neighbors who are being renovated like Xiaonan, the windows that are not affected by the small windows can be ventilated, and the baby room is better equipped with a small room air purifier.

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Is the air purifier useful? What kinds are there?

Is the air purifier useful? What kinds are there?

When people talk about the living environment of today, the smoggy weather continues to increase, and many people feel uncomfortable. The sky is not as blue as before, and the sun is not as bright as before. At the end of the day, it is because of the acceleration of the industrialization process, the development of the transportation industry, etc., which has caused serious damage to the environment.

The air that people breathe every day is always faintly containing a chemical smell, which inevitably has many substances that cause harm to the human body, such as formaldehyde, sulfur dioxide, soot, etc. These harmful substances are very common in daily life. Exhaust from cars, adhesives for interior decoration, and fumes from kitchens are unavoidable, but they are always harmful to our health.

In the case of increasingly serious air pollution, finding ways to effectively solve indoor air pollution has become a problem for many families. In addition to planting some green plants, improve indoor air quality. Using air purifiers to improve indoor air quality has become the choice of many families. The use of air purifiers has greatly reduced the toxic substances that people suffer in their daily lives. It can be said that in a minute and a second, a strong green respiratory barrier has been placed for the people. Therefore, many modern people who are pursuing a healthy life have begun to pay attention to the best small room air purifier for allergies products.

Whether on TV or on shopping mall posters, many merchants have advertised best rated small room air purifiers with high-efficiency air purification. This makes consumers involuntarily ask: Is the air purifier really useful? In this regard, Xiaobian brought two popular air purifiers. In the environmental quality testing laboratory, the energy efficiency of the air purifier was tested experimentally. Two air purifiers were placed under the sealed space, and the PM2 was passed through the smoke generator. .5 The particle value was increased to about 400. After running the air purifier for ten minutes, the test results showed that the concentration of respirable particulate matter in the first compartment was reduced by 80%, and the concentration of inhalable particulate matter in the second compartment was reduced by 82%. It can be seen from the experimental results that the air purifier can effectively reduce the inhalable particulate matter.

In fact, the current air purifiers we commonly see on the market can be divided into the following three types according to the direction of the purification mode;
The first type is active-moving purification. The motor drives the fan to circulate the indoor air. After the polluted air passes through the filter in the machine, various pollutants are intercepted or decomposed and adsorbed. The active air purifier has the characteristics of high purification efficiency, high speed, and comprehensive purification effect, and can be used in the household, which can not only filter dust and particles, but also volatile gases such as VOC in the air and formaldehyde. Purify, kill bacteria and viruses that are free in the air, and improve indoor air quality.
The second type of passive purification is that there is no need to place a filter. Electrostatic adsorption technology is generally used to generate current from high voltage to break down bacteria, viruses and particulate matter that are free in the air. Since the passive air purifier does not have a fan or a strainer, there is no need to replace the filter material. However, this method only purifies the air around the purifier, and the purification efficiency and effect are not as good as the active air purifier.
The third type is the double purification type, that is, active purification and passive purification are involved at the same time. However, due to the safety problems caused by the composite type, it is currently not popularized in household products.
The above is the working principle of some air purifiers. I believe that through the data demonstration of scientific experiments and the introduction of the working principle, consumers will add another point to the understanding of air purifiers. At the same time, in the purchase process of everyone, there is also some reference information.

Is the air purifier useful? What kinds are there?

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How to choose the most suitable air purifier?

How to choose the most suitable air purifier?

The weather gradually turned cold, and the sky gradually became gray, changing the beautiful blue sky in early summer. Along with the cold air, there is also a “devil”, which is smog.
Can not open the window ventilation, the air in the house is also black, many people will think of buying the best rated small room air purifiers.
Then, what are the problems that will be stumped when buying a best-rated room air purifier?
Because of the structure of the house, the air circulation is not good, and the purification source is fixed, and the purification area is limited, resulting in low purification efficiency.
Olansi, the air purification robot that the small family will move, is not a problem.
More stable and more clear
As a walking air purification robot, Olansi has a mobile device at the bottom of the fuselage.
The mobile unit consists of two large-diameter drive wheels and three small, universal wheels that perform 360° steering in situ.
To walk in an unknown space, only mobile devices are not enough, and you have to recognize the road.
The top of Olansi is equipped with an LDS laser sensor that emits laser light up to 8 meters and covers an area of ​​about 200 square meters in a single scan.
Olansi can quickly understand the indoor environment while scanning while walking, complete indoor positioning and establish a clean map.
When the map is first built, Olansi will automatically set the purification point and purification path after returning to the charging stand, and feed this information back to the “Cobos Robot App”;
If the user is not satisfied with the purging point set by the machine, for example, if the purging point is set in the restroom, then the existing purging point can be deleted, a new purging point can be created, and up to four purging points can be set.
After the purification map is saved, Olansi will purify according to the set purification path every time after work, and will automatically return to the charging base when the work is finished or the battery is low.
Users can also specify the machine to the room that needs to be purified to clean. For example, when you only need to purify the study, you can select the study point directly in the app of the mobile phone, and Olansi will directly clean it; Olansi can also charge on the charging stand. Purification.
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