How to choose a humidifier will not use the dead must see Raiders

In 2011, a hospital in Seoul with a patient with pulmonary fibrosis symptoms had a series of suspected deaths. These patients had the same cause of death: acute lung disease of unknown origin. Because the deceased are all pregnant women, it has brought tremendous impact to Korean society.

As the investigation progressed, it was discovered that infants and mothers died before 2011 due to the same reasons. Unexplained deaths continue to occur, causing epidemic panic in Korean society.

The Department of Disease Management of the Ministry of Health and Welfare of Korea carried out a large-scale epidemiological investigation to rule out the possibility of the epidemic virus, and in the subsequent investigations and experiments, it was initially determined that the culprit was originally a humidifier for hospitals!

So, today, Xiaobian will talk to you about the humidifier.

How to choose a humidifier will not use the dead.

Convention, before we crap, let us first talk about the principle of the humidifier.

At present, the mainstream humidifiers on the market are divided into two types: one, ultrasonic type; and two, cold evaporation type.

Ultrasonic type: Ultrasonic high-frequency oscillation of 2 million times per second is used to atomize water into ultrafine particles of 1 micrometer to 5 micrometers, and the water mist is diffused into the air through a pneumatic device.

Although it seems to be particularly high-end, in reality, such humidifiers are inexpensive and have a large sales volume. But China's tap water often contains a lot of minerals, such as calcium ions, carbonate ions and so on. That is to say, these substances will diffuse into the air with the small liquid, and become small floating particles with the redox reaction. The end result is that the humidity of the air increases, but the PM 2.5 value also rises. A lot of “white powder” is often seen on the tabletop around the humidifier, which is the mineral that comes out of the tap water.

Cold evaporation type: water is directly adsorbed on the honeycomb absorbent paper, so that the air flow causes him to evaporate, and the remaining minerals stay on the absorbent paper, because the wind will carry the air through the moist absorbent paper, and part of the Dissolved in water PM2.5 will be left on the absorbent paper, so there will be a small drop in the indoor PM 2.5 concentration.

In addition, such humidifiers have lower noise than ultrasonic type because there is no vibration. However, compared to the price of dozens of pieces, the price of the cold-evaporative humidifier is often increased by a zero.

Seeing this, everyone who is concerned about health care may go home and throw a bargain, but listen to Xiaobian first. For ultrasonic humidifiers, do not use tap water directly, and use pure water as a water source to solve health problems. Don't be happy if you buy a cold-evaporation type. Because of the long-term humidity on the absorbent paper, irregular replacement can also cause bacteria to affect health.

However, many such tips are often seen in life. It is said that adding a few drops of vinegar to the sink can disinfect and add a few drops of essential oil to help sleep. Adding a few drops of wind oil can relieve nasal congestion. But Xiao Bian can tell you responsibly in this, the above is a rumor!

Our respiratory system is used to exchange carbon dioxide and oxygen in the human body. There is no function of the digestive system to absorb other substances. Adding vinegar, essential oils and other things, not only can not be absorbed through the respiratory system, but will stimulate the respiratory tract and induce respiratory diseases. The last murderer of a large number of pregnant women in Korea who belonged to the previous article was that the hospital added a disinfectant to the humidifier.

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