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grain/cereal microwave drying sterilization machinery
The function of the grain/cereal microwave drying sterilization puffing machinery
This equipment used microwave principle, is good at drying and sterilizing the grain/cereal.The advantage is fast, big quantity output, easy to operation, save enerLD ,save time.
1.The principle of microwave drying
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 enerLD can be converted to heat enerLD in medium to rise the temperature of materials.accomplishing heating ,puffing and a series of physical and chemical processes ,and so ,microwave heating is achieved.
2.The main heating feature:
1, Fast heating. Microwave heating is completely different with traditional heating mode. It makes heating medium become heater, do not need heat transfer process. Although thermal conductivity is poor materials, also can achieve heating temperature in a very short time.
2,Save enerLD and efficiency. Because materials contain water absorb microwave easily and fever, so in additionto a small amount of transmission loss outside, almost no other loss, so high thermal efficiency, save enerLD. 3, Heating even. No matter how shape of each part of the body, microwave heating all can make the object and evenly infiltration and electromagnetic wave list to produce the heat. So heating good uniformity, won't appear the endogenous phenomenon focal. 4, Mouldproof, sterilization, fresh. Microwave heating has thermal and biological effect, can sterilize and mould proof in low temperature. Due to heating rapidly, the time is short, can maximum limit save material activity and thevitamin original colour and lustre and nutrition of food. 5, Craft is advanced, control easily. Microwave heating just have the basic conditions of water, electricity, as long as control power, can realize microwave heating or terminate immediately, use microwave equipment can process automation control of heating process and heating process specification.
6, Covers less area, safety and harmless. Because microwave can be controlled in made of metal heating indoorand wave, so microwave leak is few, no radiation hazards and harmful gases, do not produce the waste heat and dust pollution; Neither polluting food, also do not pollute the environment.
3.Main technical parameters:
Power Supply: |
380V±10% 50HZ±1% three-phase five-wire |
Ambient temperature: |
-5-40°C |
Microwave output frequency: |
2450±50MHz |
Relative humidity: |
80%, Surrounding environment:no corrosive gas, conductive dust and explosive gas.
|
Transmission speed: |
0-10 m/min(adjustable)
|
Microwave leak |
accord with a country GB10436-89 standards |
Equipment safety |
accord with GB-5226Electrical safety standard
|
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