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At present, there are many kinds of humidifiers on the market. Among them, ultrasonic humidifiers use ultrasonic high-frequency oscillation to atomize water into ultrafine particles of 1-5 microns. The water mist is diffused into the air through pneumatic devices, so as to achieve the purpose of uniformly humidifying the air. According to experts from Yadu Company, the advantages of ultrasonic humidifier are: high humidification intensity, uniform humidification and high humidification efficiency; Energy saving and electricity saving, the power consumption is only 1/10 to 1/15 of the electric humidifier; Long service life, automatic humidity balance, water free automatic protection; It also has the functions of medical atomization, cold compress bath surface and jewelry cleaning. The disadvantage is that there are certain requirements for water quality.

Pure humidification technology is a new technology just adopted in the field of humidification. Through molecular sieve evaporation technology, the pure humidifier can remove calcium and magnesium ions in water and completely solve the problem of "white powder". The water curtain is used to wash the air. The air is humidified and purified at the same time, and then the wet and clean air is sent to the room through the pneumatic device, so as to improve the environmental humidity. For example, the new generation Yadu pure humidifier adopts fuzzy control to automatically adjust the humidification amount with the change of temperature and humidity, and uses the dynamic balance principle to control the environmental relative humidity between 45% and 65% RH, which is the most suitable for human body. When the indoor relative humidity is higher than 50% RH, the humidifier will automatically reduce the amount of humidification, so that the environment is always in a constant humidity state. At the same time, the new humidifier is not limited by water quality; The filter evaporator is made of imported single fiber, which can filter air and kill bacteria, making humidification more pure; With an air circulation system, while humidification, clean water is used to wash the air, effectively removing the pollution in the air, purifying the air, promoting indoor air circulation, and ensuring human health to a greater extent.
The electric heating humidifier sold on the market is the simplest humidification method. The electric heating humidifier uses a heating element to heat water to the boiling point, generating water vapor and releasing it into the air. The disadvantages are high energy consumption, no dry burning, low safety factor and easy scaling on the heater.
When purchasing humidifiers, it is necessary to conduct a comprehensive investigation of the products, including the brand, quality, performance, after-sales service and other aspects of the investigation and comparison, shop around, carefully read the product publicity materials, and analyze the functional characteristics of the products and their own needs. When all aspects of the product are close, the local product is the first choice because it is easy to communicate and solve problems with the manufacturer.
The room size and humidification amount shall also be considered when purchasing: the larger the room, the greater the humidification amount required; If the humidifier has automatic humidity balance, the greater the humidification amount, the better. At present, the maximum humidifying capacity is generally 600ML/H. In areas with poor water quality, it is better to use pure humidifiers; The ultrasonic humidifier can be used in areas with good water quality or consumers who have the conditions to use purified water/distilled water. Generally, the power consumption of ultrasonic humidifier/pure humidifier is relatively low, generally below 60W. The power consumption of electric humidifier is very high, generally above 500W.
Also pay attention to security. The water in the humidifier water tank may be used up at any time, so the product with anhydrous automatic protection should be selected., To prevent danger of dry burning. The electric humidifier releases hot steam, which should prevent scalding.