China’s main soybean production areas mainly include：
1.Inner Mongolia, northeast three provinces – based spring soybean area
2.Summer soybean area in huanghuai valley
3.Spring and summer soybean areas in the Yangtze river basin
4.Jiangnan province in the southern autumn soybean area
5.Soybean mature areas in south of yunna, guangxi and guangdong
A lot of soy products were derived. Soybean peel is a kind of food with high nutritional value and rich in high quality protein.Bean skin contains a large number of lecithin, prevent hardening of blood vessels, prevent cardiovascular disease, protect the heart; Contain a variety of minerals, add calcium, prevent because be short of calcium to cause osteoporosis, promote skeletal development, the skeletal growth of children, old people is extremely advantageous.
Dried and Sterilized Soybean Peel
Soybean peel
The bean peel is high in water and most of the water needs to be removed for storage. Traditional natural drying, low efficiency, electric heating and hot air baking, too much energy consumption, poor temperature control, poor quality, and bad removal of microorganisms, affecting food safety.
Mr. Yu from shangqiu plans to purchase a microwave drying equipment, which can quickly reduce the moisture content of bean skins to less than 10% without changing color. He has brought samples to the factory for testing.
microwave drying equipment
Processed bean peel after initial cooling, finalize the design, humidity reached 70%. Choose 2kg, use tunnel type microwave equipment for experiment, temperature setting 100℃, microwave power 1000w, transmission 10HZ, microwave effect for 10 minutes, weighing 638g, drying effect is very good, but the edges and corners are a little burnt. Adjust the experimental data, 2kg samples, set the temperature at 85℃, increase the intensity of humidity, microwave power 650w, the transmission is unchanged, microwave action for 10 minutes, the sample weight measured is 751g, temperature control shows the internal temperature is 70℃, drying effect is very good.
In view of the customer has been attached to the sterilization problem, the scheme is given in the original microwave generation cavity plus 4 groups of purple micro light wave sterilization, the combination of the two can get a good drying sterilization effect.
Microwave has thermal effect and non – thermal effect double sterilization, plus violet micro – wave sterilization, so as to achieve the purpose of sterilization. The brief description of the sterilization mechanism of microwave thermal effect is that biological cell is a condensed medium composed of complex compounds such as water, protein, nucleic acid, carbohydrate, fat and organic matter. The temperature of the medium increases under the action of strong microwave field.
Mechanism of non-thermal effect of microwave sterilization is the summary: microwave effect can change the biological array aggregation state and movement rules, and the ion flow of microwave field induction, will affect the charge distribution near the cell membrane, membrane barrier function damage, produce membrane function obstacle, which interfere with the normal metabolic function, or destruction of cells lead to bacterial growth inhibition, stop, or death. Furthermore, RNA and DNA in cells can cause hydrogen bond relaxation, fracture or recombination under microwave field forces. Induce gene mutation or chromosome aberration, thereby affecting the change of biological activity, and delaying or interrupting the stable heredity and proliferation of cells.
The radiation intensity of violet microwave tube exceeds 18uW/cm2(1 meter away from the surface of lamp tube), and the ozone concentration reaches 38mg/m3(30 minutes, under the dynamic equilibrium state). Because the single ozone produced by the d-band ultraviolet radiation air is completely different from the ozone produced by the high-pressure discharge (which produces extremely harmful nitrogen oxides), ultraviolet lamps that can produce pure ozone and have direct radiation sterilization are rapidly replacing the traditional ozone generator. The customized 20kw air-cooled microwave equipment is equipped with purple micro light wave device inside the cavity, with a production capacity of 150~180kg/h, fully meeting the customer’s demand.
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