Tag Archives: air pollution

Is the air purifier effective? Is the air purifier useful?

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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 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 airflow. If two people are far away, they will not feel the wind.

The air purifier can only make local airflow, 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 air purifier can be purified, can air impurities be solved? The best and cheap air purifier can solve the particulate matter of 0.3 microns 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 number 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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How to deal with heavy pollution weather selection air purifier

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How to deal with heavy pollution weather selection air purifier

CADR:

The key performance indicator of an air purifier is its “clean air volume”.

The larger the CADR value, the stronger the purifying capacity of the purifier, and the target space can be quickly purified in a relatively short period of time.

The CADR value is a clear physical unit (m3/h per cubic meter), and the essential meaning of the indicator is “the amount of clean air supplied per unit time”.

The CADR value decreases as the usage time increases.

The same air purifier has different CADR for different air pollutants (for example, the CADR of an air purifier for the purification of particulate matter is 200m3/h, and the CADR for formaldehyde is 0m3/h).
Purification effect:

Also known as the purification rate, when the purification rate is expressed, the environmental conditions of the test laboratory, such as the purification time and the size of the purification space, must be indicated at the same time. Generally, the environmental test chamber specified by the national standard is 30m3, and the time is one hour.

The air volume of an air purifier is not the same as CADR, and the purchaser should focus on the CADR value.

CCM:

The “cumulative purification amount” is to evaluate the attenuation of the CADR of an air purifier. It is a concept related to the purification life, that is, the mass of the target pollutant to be purified, in milligrams (mg).

Objectively speaking, the size of the “cumulative purification amount” (CCM value) corresponding to a purifier indicates whether the purifying ability of the purifier is good or bad. The larger the “cumulative purification amount”, the longer the effective CADR of the purifier is maintained and the more durable it is.

Application area:

The applicable area is selected according to the purifying capacity of the air purifier (CADR value, usually for particulate matter). Due to environmental factors such as the initial concentration of pollutants, the building standards and ventilation conditions of various types of rooms are different. Therefore, the “applicable area” is only a reference indicator.

Energy efficiency rating:

The amount of clean air produced by the air purifier at rated power per unit of power consumption. The unit is cubic meters per watt-hour [m3/(W·h)]. Air purifiers generally need to be energized. For appliances that are energized, they generally need to check the level of energy consumption.

A purifier with a high level of energy efficiency is characterized by a higher ability to handle pollutants but consumes less power. Purifiers have different levels of energy efficiency for different target contaminants.

Noise level:

Noise is generated when the air purifier is running. The noise level of non-industrial air purifiers is an important performance indicator. Usually, in the living room, the noise is below 55 decibels (dB) during normal operation and the air purifier is used below 35dB in the bedroom.

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Resist air pollution and lung disease in the summer. Don’t be afraid! Air purifier

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Resist air pollution and lung disease in the summer. Don’t be afraid! Air purifier

At the end of 2018, the World Health Organization (WHO) organized the first global conference on air pollution and health specifically for the growing problem of air pollution. Under the dome, air pollution has become one of the major causes of death in the world. It is estimated that 29% of global lung cancer, 24% stroke, 25% of heart disease and 43% of chronic obstructive pulmonary disease patients are caused by air pollution. Due to air pollution, health may be compromised even if you do not smoke.

Air pollution should be seriously faced
In recent years, as the number of smokers has decreased, the lung diseases caused by cigarettes have gradually declined, but they have continued to rise due to the deterioration of air pollution. In particular, some malignant lung diseases are difficult to detect, and most of them are late.
The PM2.5 in air pollution is small in size and can penetrate the alveoli into the blood circulation, which may cause harm to the whole body’s health. When it enters the lungs, it may cause inflammation and obstruction of the respiratory tract. After entering the blood circulation, it will cause inflammation and hardening of the blood vessels. In addition, many toxic substances may inhale with PM2.5, such as heavy metals or polycyclic aromatic hydrocarbons. In addition to guarding against outdoor pollution, indoor air pollution should not be neglected, especially polycyclic aromatic hydrocarbons produced by frying and frying, which are often a source of indoor air pollution. Long-term exposure is more likely than outdoor air pollution. Induced disease.

Under the environment of poor air quality, how should we resist air pollution and prevent lung diseases?
Does the portable air purifier work?
Portable air purifiers have been popular in recent years, but many experts believe that portable air purifiers have limited effectiveness. In fact, it is useful to use the air purifier in a confined space. First, the external pollutants are blocked, and then the indoor air is filtered to achieve the purification effect.
If the portable air purifier is used outdoors, once the filter is too small, it will not be able to clean up in the face of continuous oncoming pollution. Secondly, it will be easily disturbed by airflow, and the purified air will be blown away and worn. The position is mostly at the neck and there is a distance from the nose and mouth, so the inhaled air is not necessarily clean air.

Many doctors also have reservations about portable air purifiers. He pointed out that portable air purifiers have too little ventilation and too low filtration capacity. Unless they are worn in front of the nose, they may be a little help. The mask comes practical.
How to prevent the confined space inside the car?
Driving for a long time or traffic jams often makes people feel drowsy, and even feel chest tightness, headache, and uncomfortable breathing. It may be caused by air pollution inside the car. The leather dyes, plastic adhesives, or chemicals used for cleaning in the vehicle will continue to volatilize in the air. Some people like to put blankets and fluffy dolls in the car, which are easy to adhere to dust mites and dust, while the fragrance is It may release toxic substances such as formaldehyde. Many people think that the inside of the car is a confined space, which will block the air pollution inside the car. The air inside the car should be better than the car. In fact, it depends on the situation. Sometimes car air conditioners introduce air outside the car and circulate inside the car. If the air outside the car is poor, the car is clogged, or the car is in the tunnel, or the front car is a diesel truck with a large exhaust volume, it may cause air pollution inside the car. more serious.

Under normal circumstances, it is recommended to close the window when driving, and you can add a car air purifier, which is somewhat helpful. If you need to drive for a long time, when the air quality outside the car is good, you can open the window to help the air circulation. In addition, not smoking in the car (even if the window is opened), avoiding the use of chemical lotion, reducing the decoration, keeping it clean, and opening the window to open the air before getting on the car, will help improve the air quality inside the car. In addition, he also shared that he actually wears a mask when driving, which is the most cost-effective way to prevent air pollution.

Any filter air purification device should always change the filter. Instead of spending extra money on the purchase of air purifiers for vehicles, it is also necessary to change the filter screen regularly to drive the air conditioning filter for six months to one year or 5000-10000 km. In addition, before the flameout, the air is blown for 5-10 minutes and then turned off, which can help the evaporator of the air conditioner to dry, avoid the mildew of the evaporator and reduce the pollution of mold spores in the car.

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Beijing Gets the Largest Air Purifier

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Beijing Gets the Largest Air Purifier

To address some local problems, the world’s largest outdoor air purifier has arrived in Beijing to help the capital fight persistent dangerous smog.

The tower, designed by Dutch designer Daan Roosegaarde, received the latest checks in Beijing’s 751 D Park Art Zone. The public’s blood has been affected by the tower’s function, which has exposed the authorities to sources of pollution particles. It is required to be controlled.

According to the Legal Daily, China Environmental News Forum, a non-governmental organization of the Ministry of Environmental Protection of China, the Smoke Freedom Building will soon be open to the public and will be visited all over the country.

According to the Studio Roosegaarde website, a 7-meter tall tower captured about 75% of the surrounding PM 2.5 and PM 10 particles and then released clean air to produce “bubble” fresh air around it, using patent ozone-free technology, with 30000 cubic meters of air per hour.

CFEJ Secretary-General Liu Guozheng said the purpose of bringing the tower to Beijing was to remind the authorities not to forget their obligations and encourage people to gather to fight the smog.

Beginning in early October, Beijing has been plagued by heavy smoke. The city’s environmental protection department issued a yellow warning on air pollution on Tuesday afternoon.

“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. Users of Sina Weibo said the air would be polluted.

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Cleaning up Air: Air Pollution in Hangzhou

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Cleaning up Air: Air Pollution in Hangzhou

Air pollution in Hangzhou

“In Hangzhou, you don’t have to worry too much about air pollution.” “Northeast” is a serious problem in Beijing and Shanghai. ”

Although Hangzhou’s air pollution is a serious problem, in fact, in most studies, due to the low air quality, Hangzhou has been listed as one of the metropolitan areas. According to a study, Hangzhou has become the 24th most polluted city in China, Shanghai [iii]. Of more than a million people, our position in China’s most polluted cities is surprisingly high.

The annual intake of PM at 2.5 level (microgram per cubic meter) was observed. The respiratory volume of Hangzhou residents was about 66.1 ug/m3, which was 2.5 times that of WHO standard 25 hours/24 hours. To some extent, the average annual average of PM 2.5 in Paris in 2008 was only 22.9 micrograms/cubic meters, but in March 2015, when Parisians were much higher than air quality, the peak 10 levels of PM were 120 micrograms/m3. [v] At the end of December 2015, when Iran closed its air pollution alliance, the AQI was 132. According to an. org’s report at the time of writing this article on Sunday, 17 January, a very common Sunday is that it may reach more than 200, between 104 and 150. This is a fairly standard day in Hangzhou.

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More than 80% of the world’s cities have exceeded air pollution

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More than 80% of the world’s cities have exceeded air pollution

The planet health organization (who) introduced the latest urban atmosphere quality, based on the database inside the global 103 places and regions, a lot more than 3 thousands monitoring air quality within the city, more than many of these from the city air particulate matter (PM10) and great particulate matter (PM2. 5) pollution levels exceeding the particular standards recommended by which. Relevant experts pointed out there that air pollution is usually a global “city disease”, improve the quality of atmosphere need to advocate open public transportation, enhance the efficiency regarding energy utilization, clean strength development, and other features. More than 80% involving urban polluting air polluting of the environment into a global “city disease”The world health business on May 12, in line with the urban air quality repository updates in the international 103 countries and locations, more than 3000 watching air quality in the particular city, more than a majority of the city inside the air particulate subject (PM10) and fine particulate matter (PM2. 5) polluting of the environment levels exceeding the requirements recommended by who.

atmosphere pollution
Particulate matter plus the composition of good particulate matter such since sulfate, nitric acid silver precious metal and black carbon pollution, they might further pulmonary and even cardiovascular systems, increase the particular risk of stroke, coronary heart disease, lung cancer along with the risk of acute or even chronic respiratory disease which includes asthma. Who said of which over the past 2 yrs as more cities commenced to measure air pollution levels, related database size almost doubled. Figures exhibit that in low in addition to middle-income countries city is definitely much more serious trouble of pollution is higher salary countries, are air polluting of the environment levels of cities together with a population of additional than 100000 more compared to who standard equal inside proportion to the number of cities, in minimal and middle-income countries is usually 98%, 56% in high-income countries. In inhabitants of more than fourteen million in the world’s megacities, according to monitoring information from 2011 to 2015 in Delhi, Cairo, Dhaka, Kolkata, Mumbai will be the earth’s highest particulate matter air pollution levels five megacities. Who else, according to the most up-to-date data also compares the particular 67 countries and locations, an overall total regarding 795 cities in 08 ~ 2013 particles plus fine particulate matter air pollution trends. Who explains that will, although some areas possess improved, the total standard of the global atmosphere pollution in cities increased by 8%. Who stressed of which the particulate matter in addition to fine particulate matter polluting of the environment from highly concentrated can be a big risk to health and fitness, leading to more as compared to 300 ten thousand unwanted deaths worldwide every yr. But if the particulate matter pollution from 75 micrograms per cubic m drop to 20 micrograms per cubic meter, connected deaths due to air pollution might be reduced maybe 15%. Suggestions relating to the who weather quality standard, average associated with particulates in the atmosphere should be lower than or perhaps equal to 20 micrograms per cubic meter, 24-hour average is less as compared to or comparable to 50 micrograms per cubic meter; Good particulate matter in normal should be below or even equal to 10 micrograms per cubic meter, normal no more than twenty-four hours per cubic m of 25 micrograms. (source: China environment news)
The high-efficiency air cleaner can assist you to eliminate harmful elements up, let air extra pure and fresh. Fresh quiet high efficient atmosphere purifiers are the best selection.
For your healthy, all of us sincerely suggest our Olansi air purifier to a person, it can increase you’re in house air quality. Olansi atmosphere purifier contains OEM Air cleaner, China Air purifier, Residence air purifier, HEPA atmosphere purifier and so in.

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Air purifier: people are more and more concerned about their health

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Air purifier: people are more and more concerned about their health

Folks are more and more health care about their health. Throughout order to reduce typically the air pollution in the home a lot of families have purchased a good air purifier. But there are countless people who use the house home air purifiers in an incorrect way.

indoor air
a single. People put the Air Cleaner against the wall
There are countless people place the china home air cleaner against the walls. In fact, the air cleaner should be placed apart from the corner of typically the room. In cases like this, the airflow will be not clogged. If the airflow is clogged, it will not simply reduce your CADR, but likewise, affect the lifetime regarding the OEM home air purifiers.
a couple of. The air purifier should end up being near people
The reality is that the harmful atmosphere around the air filter is worse, so attempt not to place the cleanser from the people populated. It is recommended in order to place the purifier upon an appropriate location
And steer clear of the reach of youngsters.
3 seldom Replace typically the filter
Home air purifiers filter will be like wearing markers. So it should end up being regularly replaced. If not really replace the air filter frequency, it may become a type of air polluting of the environment and will release a few harmful substances.
4. Positioning humidifier near the atmosphere purifier
Sometimes the atmosphere is dry, people can place a humidifier close to the air purifier. But indication in the air purifier may alert along with the air high-quality index will rise. We all should separate the hepa Air cleaner and humidifier. Of training course,
5. Turn on atmosphere purifier when facing smoggy weather
A lot of people afraid to spend electricity, so that they only switch on it when encountering high PM2. 5 weather conditions.
In fact, the electric power utilization of the air filter should generally not go over 70W, and we conduct not worry much energy. But usually there is usually some invisible air regarding harmful substances, so normally it should turn in the purifier.
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Air purifier built-in mosquito trap

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Air purifier built-in mosquito trap

We need to all have experience involving trobling from the loud mosquitos. Especially during sleep time, or in the newborn room. The mosquito baseball catchers air purifier provides your current families with peace in opposition to mosquitoes throughout the season. Much more, in the current years, many people obtain serious illnesses from typically the mosquitos bite.

How will be it work?

The machine reduces mosquitoes without using severe chemicals.

A LED AS WELL AS light that lures insects into its narrow airflow inlet, then a strong suction technology draws the particular mosquitoes in. And capture them onto a clammy sheet which kills these people eventually.

Could it be really efficient?

This product was created following a thoroughly reseach around the mosquitoes behavior. And that was tested by additional than 10 official amenities. The result shows a very great success.

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China’s new national standard for air purifiers

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China’s new national standard for air purifiers

On September 25, 2015, China set a new national standard for air purifiers. This should put some order on the chaotic market of air purifiers in the country.

This standard will include more specific performance indicators for an air purifier. These are the CADR, CCM, energy efficiency class and noise level parameters.

China’s growing air pollution is fueling the rapidly growing market for air purifiers, with sales of 2.0 million units in 2013. However, many manufacturers and retailers have overestimated the performance of air purifiers. Chinese air and have created the Chao market. They mislead consumers in promotions.

One of the new standards is the evaluation of the life of the air filter. In addition, detailed labeling requirements for air purifiers are proposed. The manufacturer must specify the life of the product and the application on the label. The standard contains device performance for dust and formaldehyde.

The first version of the air purification unit was manufactured in 2002 and the first version was redesigned in 2008. This did not meet the expectations of the public. The previous national standard for indoor air cleaners did not take into account the need to use an anti-P2.5 filter or increase the frequency of use by consumers.

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