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Working Principle of Microwave Drying Equipment:Microwave is a kind of electromagnetic wave with very short wavelength. Its wavelength is between 1 m m and 1 m, and its corresponding frequency is between 300 GHz and 300 MHz. In order to prevent the interference of microwave to radio communication, broadcasting and radar, there are four frequencies for microwave heating and microwave drying, which are L-band, frequency 890-940 MHz, central wavelength 330 mm; S-band, frequency 2400-2500 MHz, central wavelength 122 mm; C-band, frequency 5725-5875 MHz, central wavelength 52 mm; K-band, frequency 2200-22250MHz, middle. The center wavelength is 8 mm. Only L and S segments are used in domestic microwave ovens.
Peanut microwave drying cutting machine:Conventional heating, such as flame, hot air, electric heat and steam drying, uses the principle of heat conduction to transfer heat from the outside to the inside of the heated object and gradually increase the central temperature of the object, which is called external heating. It takes a certain amount of time for the central part to reach the required temperature, and longer for objects with poor thermal conductivity. The drying characteristics of microwave energy, microwave energy can penetrate the object inside and outside at the same time heating, the frequency is 245 MHZ, with 2.45 billion shocks per second, molecule friction between each other to generate heat, self-heating.
Microwave drying is an efficient, energy-saving, stable, reliable, simple equipment, easy operation and new technology. Microwave dryer is characterized by continuous production of equipment, only need electricity, no need for other energy, can quickly dry materials, equipment occupies a small area, pollution-free, simple operation; no need for preheating and no energy loss after shutdown. Less labor, high quality products. The advanced equipment is a high-tech product which can not be replaced by other equipment.
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