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Microwave is an electromagnetic wave that produces high-frequency electromagnetic fields. The heated medium material is composed of polar molecules and non-polar molecules. The water molecules in the material are polar molecules. Under the action of electromagnetic field, the polar molecules are shifted from the original random distribution state to the polarity according to the polarity of the electric field. The movement of the molecules and mutual friction generate energy, which makes the temperature of the material continuously increase. Producing a series of physicochemical processes for heating and puffing to achieve the purpose of heat drying and drying.Microwave heating equipment is used in fast food, chemical rubber, minerals, pebbles and other products that require rapid heating.
1, Rapid heating
Microwave heating and conventional heating methods are totally different. Microwave heating do not need the process of heat conduction ,which make the material heated itself become a heating unit.Therefore, the materials of poorer heat conduction can also be to reach the heating temperature in a very short period.
2, Symmetrical heating
No matter what the shape of each part of objects is, microwave heating is the object that make the electromagnetic waves infiltrating to the exterior and interior of the material heated symmetrically at the same time to produce heat energy.Beacause of no restrictions on the shape of material heated, there are materials that is even heating and no adust outside or unheated inside.
3, Energy saving and efficient
The material containing water is easy to absorb microwave heat, therefore,there is no other heat loss besides a small amount of transmission loss.So higher thermal efficiency and more energy saving,which is heating energy-saving 1 / 3 over than the far-infrared heating.
4, Mildewproof\ sterilization\ refreshing
Microwave heating with thermal and biological effects can sterilize and resist rot under lower temperatures. As the heating speed is faster and time is shorter, the microwave heating can reserve the activity and the vitamin in material heated furthest, and the original color and nutrients.
5, Advanced craftwork and easily controlled
As long as you control the microwave power ,you can realize heat and termination immediately ;Because of application of human-computer interface PLC ,you can control heating process and heating norms automaticly through programming.