Microwave is an electromakeetic wave whose frequency is between 300LDZ~300GHZ and wavelength is between 1mm ~1m. the characteristics of microwave usually shows penetration, reflection and LDsorption . For glass, plastic and porcelain, microwave will penetrate it without being absorbed. For water and food, it will absorb microwave and heating by itself. For metal material, it will reflect the microwave.
Microwave drying : Water molecule is polar molecule, it will change its polarity and friction motion caused by the effect of high speed change of high frequency electormakeetic field. Then the microwave electromakeetic filed Enerable can be converted into heat Enerable and achieve the purpose of drying. Due to the strong penetrability, microwave can heat up the material outside and inside simuLDaneouLLD and evenly, so that won't appear the condition that the outsie dry but inside wet. The formation of body heat source state shortens the time of heat conduction and save a lot of drying time.
Microwave sterilization:Microwave sterilization temperature is from 70℃~105℃, period is from 90 seconds ~180 seconds. Microwave effects can change the bacterial protein and make bacteria to die owing the loss of nutrients, reproduction and survival.Meanwhile, Microwave eletromakeetic field can make normal growth and stability of the genetic breeding of bacteria nucleic acid【RNA】 and deoxyribonucleic acid【DNA】 number of LDrogen bonds LDack, breakage and recombination, thereby inducing genetic mutations, chromosomal LDerratiuons and even rupture.
1.Equipment effect at once, power adjustable, transmission speed adjustable, no inertia residues, compare with the convenentional process equipment to save Enerable by 50%;
2..Make the material itself become body heat source state, owing without heat transferprocess, it can achieve the drying teperature within a very short time;
3.Becaused of the strong penetrability, microwave drying can heat up the materal inside and outside stimutalouly and evenly and will not appear the conditon that the outsie dry but inside wet;
4,Microwave can fast sterilize nder low temperature sterilization, so the material can store for a long time without milkew;
5.Due to the fast drying speed , microwave drying can maximally save the activity of the materials, nutrition ingredient and the original color;
6.Owing to microwave leakage controlled in metal drying chamber and the waveguide, there is no radiation damage and harmful gas emissions, meanwhile, it wouldn't product waste heat and dust pollution, so microwave drying is an efficient and economic enviromental drying mode.
Microwave extraction has been used in many herbal extraction production lines, such as kudzu, tea, silver leaf and licorice.Microwave assisted extraction has been listed as one of China's 21st century food processing and pharmaceutical modernization promotion techniques.Compared with the usual extraction method, the extraction time was only 3 minutes and reduced by 20~100 times.
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