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Position: Home: > Product catalog > Products > Microwave Food Drying Sterilization Equipment > Tunnel Belt Food Drying Sterilization EquipmentProducts
 

Tunnel Belt Food Drying Sterilization Equipment

Tunnel Belt Food Drying Sterilization Equipment

Application :

This equipment are widely used for drying and sterilizing powder,granular,flakes or colloidal form foods such as: nutritional health products, grains, agricultural and sideline products, bamboo shoot, tea, mushroom, agaric, ganoderma, vegetables and fruits, preserved fruits,red jujube,non-fired instant noodles, noodles, rice powder noodles, chicken jerky, beef jerky, preserved meat, dried fish, seafood, pickles, spices, egg yolk powder, jam, a variety of small packaging and pet food mildew sterilization preservation.



Microwave drying principle:

After object absorbing microwave energy and converted into heat, temperature of object rise up, containing moisture evaporation, dehydration, drying; If properly control the dehydration rate, when to dry material can make the material inside structure hydrophobic, puffing. In the process, also can control the higher heating temperature, make the object in a state of baking.

Microwave sterilizing principle:

1. The heating effect of the microwave energy: in a certain intensity under the action of microwave field, insects and bacteria in food experience by molecular polarization, absorption of microwave energy to heat up, making it the protein denaturation, lose their biological activity.Plays a role of quick heat sterilization microwave thermal effect mainly.

2. Can microwave non-thermal effect: high frequency electric field makes the membrane potential, polar molecule structure change, make the protein and physiological active substances in microbial mutation, and loss of energy or death.In sterilization by conventional physical sterilization no special effect, is also one reason for killing bacteria.

3. The microwave sterilization, keeping fresh is the result of the combination of microwave thermal effect and non-thermal effect.Therefore, microwave sterilization temperature is lower than the conventional method, under normal circumstances, the conventional method of sterilization temperature to 120 ℃ to 130 ℃, time of about 1 hour, and microwave sterilization temperature to 70 ℃ to 105 ℃, only about 90-90 seconds.



 
     
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