Recently, in order to truly cope with the smoggy weather this autumn and winter, the Ministry of Environmental Protection issued five action plans for atmospheric control, and even the primary pollutants released by air quality forecast have been transferred from ozone pollution to PM2.5. It is no wonder that this country is so attached to the smog prevention and control, and the haze is unconscious to the human body.
It is well known that PM2.5 in smog can directly enter the lungs, causing permanent damage to our respiratory system. About 2.1 million people die every year from the increase in particulate matter such as PM2.5. It is reported that the 2012 Global Environment Outlook 5 published by the United Nations Environment Program pointed out that 700,000 people die each year from respiratory diseases caused by ozone, and nearly 2 million premature deaths are related to particulate pollution. The Proceedings of the National Academy of Sciences (PNAS) also published a research report saying that the average life expectancy of humans has been shortened by five and a half years because of air pollution.
The fog is in the besieged city, there is no anti-fog window, are you ready?
Speaking of anti-fog screens, Xiao Bian specially consulted the relevant experts of the Institute of Modern Physics of the Chinese Academy of Sciences. There are many kinds of anti-fog screens on the market, and there are many brands. I really don't know how to start. How to go to the pseudo-pure, the most suitable for the smog in such a complicated anti-fog screen, really makes us a big headache.
In general, the anti-fog screens on the market fall into two categories: one is fiber-based anti-fog screens such as nano-textiles and electro-textiles. One type is a microporous barrier type anti-fog screen which is represented by a nuclear pore membrane and an ion membrane. When purchasing anti-fog screens, the main considerations are from the aspects of anti-mite performance, ventilation performance, permeability, ease of maintenance, and price.
Anti-fog performance
The first consideration for the purchase of anti-fog screens is of course the anti-mite performance, which is also the problem that our consumers are most concerned about. The two types of anti-fog screens are relatively resistant to the anti-mite effect of fiber-based anti-fog screens such as nano-textiles and electro-textiles. The news from the Beijing Evening News published by Xinhuanet, "The fine screens can really prevent smog? Experts:" The smog screens are also against a poplar. The anti-mite effect of such screens is really debatable. Moreover, the premise of anti-fog screens for electrostatic textiles is that there is wind (the air flows to generate static electricity), but the haze days are just windless weather, and the wind and fog will naturally take the wind away.
The microporous barrier type anti-fog screens represented by nuclear pore membranes and ion membranes integrate hundreds of millions of micron-sized gas exchange holes on the nuclear pore membrane and ion membrane, and the haze barrier rate can reach 92% or more. The indoor airtightness is better and the anti-mite effect is better.
Ventilation while venting
Anti-fog screens can prevent fogging at the same time. It is necessary to be able to change the air at the same time to be considered as a real anti-fog screen. Otherwise, what kind of anti-fog screens are needed to directly close the window? Mistakes are the primary condition for us to consider anti-fog screens.
The traditional "ventilation", the main solution is to change the air, the wind is just the air flow we can feel. The microporous barrier anti-fog screen of the nuclear pore membrane and the ion membrane can not clearly feel the "wind" during the circulation of the air. The scenes using such anti-mite ventilation screens are mainly because the outdoor air is not ideal or polluted, the indoor harmful gas concentration increases and the oxygen concentration decreases or the window needs to be opened when the air conditioner is turned on. If the outdoor air is really good, it may be Open the window (screen window) for ventilation, and it is enough to change the air in daily situations.
The smog is coming, we are used to closing the window to prevent smog, the interior of the long-term doors and windows is closed, the formaldehyde, benzene, carbon monoxide, carbon dioxide and other pollutants in the home decoration building materials continue to increase, the oxygen is thin, the indoor air will soon become dirty. Unbearable. The installation of the anti-fog screen is to exchange the indoor concentration of pollution gas and carbon dioxide to the outside, and the outdoor high concentration of oxygen source is continuously diffused into the room to ensure that the indoor air is fresh and not boring.
Permeability
Whether the vision is open or not affects the indoor living environment and people's mood, and the light transmission of the anti-fog screen is also a problem we should consider when choosing the anti-fog screen. Nano-textile, electrospinning and other fiber-based anti-fog screens and microporous barrier-type anti-fog screens represented by nuclear pore membranes and ion membranes do not affect life, and are acceptable. In fact, the glass is super light...
Please, we are not buying glass!
heat insulation
Everyone who turns on the air conditioner wants to open the window and feel bored. There is no window opening for air conditioning, energy saving, cold and warm. Choose an anti-fog screen with thermal insulation, just one word - cool! Two words, don't be too cool!
Easy maintenance, low maintenance
We install anti-fog screens to make life easier and make life better. Frequent scrubbing, replacement and maintenance will bring a lot of inconvenience to our lives and reduce the experience. Fiber-based anti-fog screens such as nano-textiles and electro-textiles are destined to be free of dirt and dirt. The microporous barrier type anti-fog screens represented by nuclear pore membranes and ion membranes have smooth and flat surface and have a certain self-cleaning effect. Daily rain washing, it seems enough to wash once a year.
Long-lasting, durable, low-maintenance, good products are all like this!
Price
Anti-mite is valuable, health is priceless, and it is enough to choose an anti-fog screen that is suitable for smog on the premise of satisfying the demand. Of course, whether the anti-fog screens are energy-saving also directly affects the cost of use. It is our best choice to buy an anti-fog screen that saves energy, reduces consumption, and has no secondary pollution.
Finally, when purchasing anti-fog screens, it is also necessary to consider whether the anti-fog screens have patents for invention. Not all screens are called anti-fog screens. More anti-fog screens can only be placed with catkins and pollen. . Do not believe, please ask the mother.
Ok, after listening to the Xiaobian, I think you already have your own window in your heart. Flood control is important, and you need to be cautious.
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