1 continuous conveyor belt type pinenut roasting baking machine 2 save energy/efficient 3 easy to control 4 CE certificate
Some microwave drying and sterilization advantages
1. Rapid drying
Microwave heating does not need the progress of heat conduction, wich make the material itself become a heating unit.
2. Symmetrical heating
Because of no restrictions on the shape of the material, the materials is heated even, and theres is no adjust outside or unheated inside.
3. Energy saving and efficient
The microwave drying can save one third energy of the far-infrared drying
4. Mildew proofing/sterilizing/keeping fresh
Microwave drying with thermal and biological effects can sterilize and resist rot under lower temperature.
5. Advanced craftwork and easy control
With the use of graphic operation terminal and PlC, you can realize programmable auto-control of heating progress.
6. Safety and innocuity.
There is no harmful radioactivity or harmful gas, or waste heat or dust pollution, so neither could microwave heating contaminate food nor pollute the environment.
Microwave drying principle
Microwave is a sort of electromagnetic wave which frequency is 300MHz to 300GHz .The water molecule in medium materials is polar molecule,under the effect of the rapid change of electromagnetic field,its polarity orientation will alter with the changes of the external electric field with the high-speed,causing the movement and friction of molecule.
So that the microwave field energy can be converted to heat energy in medium to rise the temperature of materials.accomplishing heating ,puffing and a series of physical and chemical processes ,and so ,microwave drying is achieved.
Microwave sterilization principle
Microwave sterilization equipment is to use the combination of microwave heating effect and biological effect. Microwave effect on bacteria in the cross section of the membrane potential distribution around the cell membrane electron and ion concentration, which change the membrane performance, fully bacteria so malnutrition, cannot normal metabolism, growth hindered the death.
Why we choose microwave sterilizer/dryer compared with traditional heating devices?
1. Traditional heating device heat from outside in, relying on the conduction of the center of the material being heated. Microwave itself is not hot, but the microwave energy could penetrate material, resulting in the friction between polar molecules inside the material and generate internal heat.
2. Traditional heating device require higher external temperatures to heat the center of the product, the surface will become overheated, this will reduce the material's quality. With microwave energy, there is no excessive external energy applied to the surface for the product. It is heated evenly and get superior quality product.
3. Multi-function, apart from drying, it could also finish sterilization and Ripening. Besides, if you prefer, it could also be equipped with cooling system.
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