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It needs to be left on all the time, and it is only effective within 3 meters of the air purifier.
Air purifiers remove formaldehyde by a method called photocatalyst, which uses nano-sized titanium dioxide.
And this substance is very expensive, many businesses in order to make money and its practical use is not nano-level, and again, the radiation range of the air purifier is very small, the purification capacity is limited, so the effect is generally not obvious beyond 3 meters from the air purifier, and finally, the air purifier is small, in places with serious pollution, the pollution speed of the filter element is particularly fast, if it is not replaced in time, there is no purification effect!
It is recommended that you use a Haoting fresh air system, its main function is to ventilate without opening the window, and ventilation is the best way to remove formaldehyde, first of all, the host installed in the living room is responsible for the outdoor air is filtered into the room, and at the same time, the breathing treasure installed in the bedroom (very small, hanging on the window) will discharge the indoor polluted air, so that a pressure difference will be formed between the living room and the bedroom, and the fresh air will flow from the living room to the bedroom
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The purification effect of negative ions is very fast, and it is intuitively expressed, taking viiyi negative ions as an example, in a 50-square-meter living room, the value drops from about 200 to the state of China's excellent air quality standards, that is, it only takes about 10 minutes below 35.
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This depends on your needs, the requirements for indoor air quality, because it is difficult to perceive whether indoor air is good or bad.
Under normal circumstances, you can turn it on for a while, and if you feel better, you can turn it off. If there are always people in the room, you can open for a while to purify the air.
A general purifier takes about 5 hours to replace the air in a small room.
It is about the same time that the fresh air system needs to completely replace the indoor air (taking into account the air flow and the effect of the replacement).
What needs to be done is to replace the filter element in time to ensure the purification effect.
Or raise some green plants, which is also very good, or use other ways, and there is a new product, is the lighting air purifier, he uses quantum dot nano photocatalyst, and negative oxygen ions work together, if the room, the light is dim, such as dark, you can turn on, not only to purify the air, but also to illuminate, if the room is full of light, quantum dot nano photocatalyst will also work, it is equivalent to working all the time, attach a few **, you can see, quantum dot nano photocatalyst coating on the surface of the lamp, In the middle is a negative oxygen ion generator.
That's how it works all the time.
However, it is the indoor air, which is related to health, and how long it will take depends on yourself.
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Many friends who have bought an air purifier will have a question to ask, that is, the use time of the air purifier: how long should the air purifier be on? The following blogger will explain it to you.
If the air quality of your home is excellent or good (AQI<=150), it is recommended not to open it much, and you don't need to open it on rainy days, as dust and suspended solids will fall on rainy days. If you have high air quality requirements, you can turn it on for an hour before bedtime. This saves power.
If the air quality is not very good that day. How long is it on? It depends on the product, but it's typically 4-8 hours, but if you're using an air purifier that targets a smaller space and yours has a larger space, you'll need to delay the time.
When using the air purifier, you need to pay attention to the doors and windows to be closed, and the distance from household appliances should be more than 50 cm. The distance from the wall is more than 50 cm, if it is a side air intake, it can not be placed on the wall crutch, if it has an active oxygen function, then people can not be in it when the active oxygen is turned on, and the active oxygen is secondary pollution. If it is placed in an air-conditioned room, it is best to place the air purifier opposite the air conditioner so that the air circulation can be effective.
Some air purifiers have the function of ozone and increase humidity, which should be paid extra attention to, ozone is harmful to people, and the head of the humidifier is easy to breed bacteria. If the air quality is not very good, the air will improve significantly after about an hour of driving.
During the day, the concentration of pollutants will be higher in the early morning and dusk, and a little lower at noon, and the pollutants will spread quickly on days with high wind speeds.
If it is a newly renovated house, it is recommended to open the window for ventilation as much as possible when you do not move in in the early stage, after all, the CADR value of the air purifier is not as high as it is on a windy day, and because the decoration pollutants such as formaldehyde are continuously released, especially in the newly renovated house, the release is relatively large (even if the formaldehyde does not exceed the standard), and the release will slowly decrease over time, so opening the window for ventilation is the best way at this stage. After moving in, if you can't open the window, you have to rely on the air purifier, of course, the opening time should be appropriately extended, at least 4 hours a day, if there is a clear smell in the room, it is recommended to open for more than 8 hours.
Can the air purifier be left on 24 hours in a row? What are the problems with continuous opening?
It stands to reason that as long as the fan life, wear and tear, and heat dissipation are fine. Because theoretically speaking, any electrical appliance can operate 24 hours a day without rest, but the appliance will have a service life, and this life is calculated according to the time of use. For air purifiers, after being turned on for a long time, the loss of filter materials is large, for example, materials that can be used for one year can only be used for half a year or three months and need to be replaced.
It is advisable to turn on the machine when it is occupied and turn it off when it is not present. For example, if there are children at home, the elderly, and other people who have been at home for a long time, and when they sleep at night, they must be turned on.
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Look at the weather, haze days are open all day, non-haze days first open to see the air quality, our Forrest air purifier is there lights and values to display the situation, if it is green I don't turn on, blue will be on for a few hours down and then turn off, red will be on all day long, anyway, it doesn't consume much power.
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It depends on how the air quality is, and if it's a hazy day, it's best to keep it on at all times to ensure indoor air quality. If the weather is good and the indoor air quality is good, it can be used for a short time, or it can not be used.
In addition, the filter element of the purifier should be cleaned or replaced regularly.
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Forty minutes, and you're good to go.
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How long the air purifier should be turned on mainly depends on what the weather is.
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Negative ions themselves do not have any drawbacks, and the main drawbacks of the machine are that if the technology is not up to standard, it is easy to produce derivative pollutants such as ozone, positive ions, and nitrogen oxides. The working principle of air purifier is divided into passive purification, active purification, electrostatic dust collection, composite purification, etc. Passive purification mainly uses the method of filter rock stove slag dust removal, and uses a fan to pump air into the machine.
The built-in filter adsorbs suspended particles and harmful gases in the air. Electrostatic dust collection technology is to electrify pollutants in the air through corona discharge, and use dust collection devices to capture charged particles; These purifiers generally do not have a filter design, and have no effect on removing dust and odors in the air.
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