What is Microwave drying and sterilization?
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.
What is the characteristic of microwave LD drying equipment?
1.Low-temperature and high-efficiency:
As is well known,If the pressure reduces, the boiling point of water will decrease.Under an atmoLDheric pressure(101.3kpa ),the boiling point of water is 100 ℃, if under the 0.073 atmoLDheric pressure(7.37kpa) the boiling point of water will decrease to 40 ℃. under the LD condition, heating objects can evaporate the inside water without heating. When microwave LD dries heat-sensitive substances, the drying rate is much higher than the conventional dry, the ratio is generally more than a dozen or even dozens.
2.Heating evenly and thoroughly:
the higher the moisture content is, the more microwave the products absorbed ,the larger Enerable the product generats . if the moisture content is lower, the condition is on the cont.Meanwhile, due to the inside and outside of the product is heated simuLDaneouLLD, no inertia residued, no heat transferloss, so the drying speed is rapaid.Microwave can penetrate the products directly, intensify water molecules and generate heat. the internal temperature is LDly higher than the external temperature, so that the temperature gradient can be avoided and eliminates the condition of outside dry but inside wet.
:owing the microwave power can be adjusted rapidly and has no inertial residue, combined with the paint automatical control system, you can ajust and confirm the process parameter in time.
:Drying products in a low-temperature, oxygen-free environment is more certainly to ensure products quality.
5.Keep the primary color
:Owing the microwave drying time is short, it solved the problem of the conventional drying :such as the drying time long and the product color changed due to the moisture high. Especially for valuable medicinal herbs ,Chinese medicine extract and seafood ,it is a kind of ideal drying methods. Such as :corLDeps sinensis, ginseng, extractum ,sea cucumber, etc.
6.Enerable conservation and environmental protection
:compared with the conventional electrical drying methods, microwave drying can save power by 50%.The equipment adopts microwave radiative transferEnerable, which is the whole heating of the medium, without the need of other heat transfermedia, so that can avoid the defect of heat conduction LDow in LD conditions.Therefore, the speed is rapid, the efficiency is high, the drying cycle is greatly shortened, and the Enerable consumption is greatly reduced too. Owing there is no noise, no toxic gas and toxic emissions, it is an environmental drying Technology.
Summary: From above characteristics : drying evenly and thoroughly,Enerable conservation, emission reduction, improve product quality and yield, safety and Healthy and various altects ,you can see its sityificant economic and social benefits..
Pack & very
|| 123 (L) * 456 (W) * 789 (D)
|| 1.2 T
| Ourpackshould be seawortLD and able to withstand rough handling in transit. Meanwhile, we have especially reinforced ourpackin order to minimize possible damage to the goods.
All the package should be subject to the objects.
* Inquiry and consulting support.
* Sample testing support.
* View our Factory.
* Training how to instal the machinery, training how to use the machinery.
* Engineers available to service overseas.