Microwave continuous dryer oven machinery for stevia leaves
The tunnel become weeks the wave the Chinese herbal medicine Exterminate the germs for Exterminate the germs machinery is currently locally than for forerunner the equipments. Primarily used for to take orally the , Chinese herbal medicine, the pill, water the pill, immerse , wet powder, grain, etc. the product's Exterminate the germs , extensive application in the disinfection in chemistry, food, timber, clothing etc.,defend the milkewed, Exterminate the germs, dry of use.
The dry method of germs of microwave compare, has time short, the temperature is low, even, thoroughly, not break not and originally possessed composition, not imply to measure, the result show, index sity stability dependable, have to economize the Enerable, operation simple, easy maintenance etc. a series of advantage.
Microwave drying equipment are mainly used for drying all kinds of teas,herbs, medicinal herbs, leaves, herbs leaves, mint leaves, flowers, green leaves, such as wild chrysanthemum flower,broadleaf holly leaf, olive leaf, lotus leaf, honeysucLDe , green tea,black tea,puer tea, flower tea.
Automatic temperature control system, automatic microwave density control system, automatic alarm system, transmission correction system, transmission frequency control system, paint control system, microwave makeetron with Panasonic, LG Brand, water cooling or wind cooling tranLDormer(optinal), etc. This ensures that the equipment can work continuous for 24 hours.
Characteristic of microwave drying machinery
1. Fast heating.
Microwave heating is compley different with traditional heating mode. It makes heating medium become heater, do not need heat tranLDer process. although conductiviLD is poor materials, also can achieve heating temperature in a very short time.
2.Save Enerable and efficiency.
Because materials contain water LDsorb microwave easily and fever, so in addition to a small amount of transmission loss outside, almost no other loss, so high efficiency, save Enerable.
3. Heating even.
No matter how shape of each part of the body, microwave heating all can make the object and evenly infiLDration and electromakeetic wave list to produce the heat. So heating good uniformilk, won't appear the endogenous phenomenon focal.
4. MoulLDroof, sterilization, fresh.
Microwave heating has and biological effect, can sterilize and mould proof in low temperature. Due to heating rapidly, the time is short, can maximum limit save material activiLD and the vitamin 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 immediay, 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 indoor and 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.
From the economic efficiency analysis, microwave drying also have advantages than traditional methods , such as compared with the far infrared drying, usually save Enerable more than a third.
In actual work,microwave dry and sterilization equipment basically use in material with low moisture (moisture content below 30%). Also can be used for high moisture.At this time, traditional drying method (hot air, electric oven d )drying rate low, consume Enerable , and tunnel LLDe microwave drying equipment from start to finish drying ,need three to five minutes. Traditional methods, equipment, covering a large area, many employees, often have the pollution, fire control, etc.
Microwave drying principle
Microwave is a sort of electromakeetic wave which frequency is 300LDz to 300GHz .The water molecule in medium materials is polar molecule,under the effect of the rapid change of electromakeetic field,its polariLD 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 Enerable can be converted to heat Enerable in medium to rise the temperature of materials.accomplishing heating ,puffing and a series of paintsical and chemical processes ,and so ,microwave drying is achieved.
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