portable air purifier..Comparison of advantages and disadvantages of several humidifiers

　　The types of humidifiers can generally be divided into ultrasonic humidifiers, direct steam humidifiers, electric humidifiers, high-pressure micro mist humidifiers, steam humidifiers, etc. Among them, high-pressure micro mist humidifiers and steam humidifiers are mainly used in industry. Today, we will talk about the principles of the first three humidifiers and their respective applications in the household market.

　　Platinum gram ultrasonic humidifier

　　The high-frequency oscillation ultrasonic technology used in ultrasonic humidifiers is currently a relatively mature technology in the world and widely used in various fields. Its working principle is to atomize water into 1-5 microns of ultrafine particles, which are diffused into the air through a fan to keep the air moist, replacing the dry and hot winter heating and creating a comfortable living environment. Ultrasonic humidifiers have the advantages of large humidification capacity, uniform humidification, high humidification efficiency, energy saving and electricity saving (power consumption is only 1/10 to 1/15 of that of electric humidifiers), and long service life. However, it is important to note that it is best to use pure or softened water.

　　Wet film humidifier

　　Direct evaporative humidifiers are also commonly referred to as pure humidifiers (wet film humidifiers). They use molecular sieve evaporation technology to remove calcium and magnesium ions from water, wash the air through a water curtain, humidify the air, purify it, and then send the moist and clean air indoors through pneumatic devices, thereby increasing environmental humidity. In fact, pure humidifiers are not limited by water sources as claimed in the market. When used in households, it is best to use pure water. Moreover, the market advocates that it can kill bacteria and filter air. We hold a skeptical attitude, and on the contrary, we believe that after humidification, the wet film remains moist and is prone to bacterial growth.

　　Electric humidifier

　　Electric humidifiers include electrode humidifiers and electric humidifiers. Their working principle is to heat water in a heating body to 100 degrees Celsius, generate steam, and use an electric motor or natural evaporation to send the steam out. The simplest humidification method of electric heating humidifier technology has the disadvantages of high energy consumption, inability to dry burn, low safety factor, and easy scaling on the heater; The advantage is that steam is pure and harmless to the human body.

　　Compared with the above three, the order of energy-saving effects is direct steaming humidifier>ultrasonic humidifier>electric heating humidifier; According to the ranking of human health, they are electric humidifiers>direct steam humidifiers>ultrasonic humidifiers; Sorted by humidification efficiency, they are ultrasonic humidifiers>electric humidifiers>direct steam humidifiers. As for how to choose, it depends on what one pursues.

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