microwave druing /Industrial herb leaves dryer&sterilizer machine
Application:
Microwave industrial tunnel baking&puffing equipment are widely used in the peanut, sesame seeds,
wheat, melon seeds, sunflower seeds, peanuts, corn, soybeans, walnuts, almonds, chestnuts, pistachios,
cashews, filbert and dried fruit etc; and for leisure food, pachyrhizus chips, potato chips, dried
shrimps, fish maw and so on. Compared with the traditional production methods, microwave baked
foods are crispy and delicious, products particle puffed full, natural color, beautiful appearance, and
has insecticidal sterilization effect.
The principle of microwave heating
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 energy can be converted to heat energy in mudium to rise the temperature of materials.accomplishing heating ,puffing and a series of physical and chemical processes ,and so ,mircrowave heating is achieved.
The principle of microwave sterilizing
Mircowave sterilizing is the result of combined action of the thermal effect of eletromgnetic fields and the biological effect.Thermal effect of microwave on the bacteria denatures the protein of bacteria ,and make the bacteria lost the condition of nutrition,reproduction and survival so as to die .The biological effects of microwave on the bacteria is that the microwave electric field changes the potential distribution of cross-section of the bacterial cell membrane and impacts the concentration of electron and lon around the membrane ,and changes the permeability of cell membranes ,therefore the bacterium become innutrient and lost normal metabolism.The structure and function of bacterium fall into disorder ,and theirs growth are inhibited ,as a result they are dead.Moreover ,nucleic acid genetic(RNA) and deoxyribose acid (DNA),which decide the normal growth and stability of bacterial,are curly-shaped macromolecule made of a number of linked compactly hydrongen bond .The microwave can be strong enough to make hydrogen bond stack ,rupture and recombine ,and induce intragenic mutation or chromosome aberration and even rupure.
General Description
1.Service item: Agricultural products(tea leaves, green leaf, herbs, oil seeds,beans,pepper powder,etc.)
2.Service Capacity: About 100-1000kg/h per hour
3.Temperature: 0-200 degree, can adjustable
4.Type of Feeding: Continuous
5.Type of Control: ordinary button control
Main application features
Comparing to ordinary equipment, efficiency can be increased 80%,speed is eight times.
This machine fit for drying and sterilizing powered ,granular, sheet-like orgel-like food ,and additive, flavoring, medicine, raw material of herbal medicine, nutritional health products, agriculture & sideline products, non-fried(or oil-saving)instant noodles, noodles, rice powder noodles, soy products, beef jerky, preserved meat, dried fish ,tea, tobacco and so on; and for drying, peeling and baking almond, peach kernel, groundnut kernels, chestnut and so on; and for puffing of leisure food ,pachyrhizus chips, potato chips, dried shrimps, fish maw and so on; and for sterilizing and oral liquor, pickles, a variety of small packaging food ;and for drying beans; and for thawing the frozen fish ,poultry; and for drying and desulfurating and deoxidizing the metallurgical chemical products; and for drying printing and dyeing products, ceramics, glass, chemical fiber, cotton yarn, wood, leather, bamboo products, insulation materials, building materials, cork, alveolate cardboard, corrugated ,and so on.
Technical parameter
Power supply |
380V±10% 50HZ±1% three-phase five-wire |
Microwave Output Frequency |
2450±50MHz |
Microwave input apparent power |
≤28KVA |
Microwave output power |
≥20KW |
Microwave power adjustment range |
0-20KW(adjustable) |
Ambient temperature |
-5-40°C |
Relative humidity |
≤80%, Surrounding environment:no corrosive gas, conductive dust and explosive gas |
Overall dimension(L*W*H) |
About 9400*840*2050 mm(can be designed according your requirement |
Transmission speed |
0-10m/min(adjustable) |
Height of the inlet and outlet |
60 mm |
Microwave leak |
accord with a country GB10436-89 standards( |
Equipment safety |
accord with GB-5226Electrical safety standard accord with a country GB16798-1997 Food machinery |
Microwave drying features
(1) Drying time is short, strong the smell of the product;
(2) Drying temperature is low, uniform, bright color of the product;
(3) Selective heating. Because water molecules absorb microwave best, so high water content part absorb microwave power more than low water content part. This is selective heating characteristics, use this features can be evenly heating and uniform dry;
(4) Drying dehydration direction of water vapor from inside to outside. So microwave drying has expanded role, is a great help to the follow-up of crushing;
(5) Save energy and efficient. Microwave is a direct role in the material, thus no additional heat losses, air inside furnace and corresponding containers won’t heat, then high thermal efficiency, production environment is obviously improved, can save 30% power compared with infra-red radiation;
(6) Easy to control, advanced craftwork. Compared with the conventional methods,open then can use;no thermal thertia,flexible operation;microwave power is adjustable.In microwave heating and drying process,no waste water,no waste gas,is a safe harmless high and new technology.Improve product quality ,bring economic benefits.
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