Characteristic of penetrating heating of microwave drying equipment

- May 06, 2019 -

Compared with traditional drying equipment, microwave drying equipment is characterized by fast drying speed, high efficiency, environmental protection and energy saving, and is a new type of equipment responding to low-carbon economy. The working principle of microwave drying equipment is to use the penetrating heating of microwave to raise the temperature of material, vaporize and evaporate the water vapor in the material, and evaporate the water vapor from the dehumidification system to achieve the purpose of drying material. The basic properties of microwave drying equipment are usually shown as penetration, reflection and absorption. For glass, plastics and porcelain, microwave is hardly absorbed through. For water and food, they absorb microwaves and heat themselves. For metals, microwaves are reflected.

Microwave drying equipment has longer wavelength than other electromagnetic wave used for radiation heating, such as infrared and far infrared, so it has better penetration. When microwave penetrates the medium, the temperature of the medium increases due to the dielectric loss, which makes the inside and outside of the material heated almost at the same time, forming a body heat source state, greatly shortening the heat conduction time in conventional heating, and when the dielectric loss factor is negatively correlated with the temperature of the medium, the heating inside and outside of the material is uniform.

The company takes industry microwave equipment as the core, specializing in designing and manufacturing the whole drying equipment production line, covering not only microwave drying equipment, microwave dryer, microwave drying equipment, microwave sterilization equipment, high temperature muffle oven, hot air circulation oven, heat pump dryer, drying room, and supporting conveying machinery . G > and other complete sets of industrial automation production line equipment. Best-selling in all regions of the country and the United States, South Korea, Malaysia, Australia, Thailand, Vietnam, Indonesia, the Philippines, Libya, Pakistan and other countries. The representative customers of the production line are: Beijing Tongrentang, Henan Hao Wan Youzao, Hubei Ni's International Rose Group, Zhongnuo Pharmaceutical Industry, Ronglida Food, Stone Pharmaceutical Group, Bayi Chemical Industry, Jiangtungsten Group, Shenhong Group, Zhongnan Diamond, Xuchang Haobang and so on.

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