Microwave drying equipment:
Microwave has a certain energy (electromagnetic field). Under certain conditions, it can be used as a source of energy, and the effect of microwave on the physical, chemical and biological effects can be used for a variety of purposes.
Microwave drying equipment is a very high frequency electromagnetic oscillation in the electrode material molecules, so that the molecular arrangement of the drastic changes, resulting in a strong similarity to the "friction" effect. Heat an object. This process that microwave electromagnetic energy into heat. Water molecules are polar molecules that strongly absorb microwaves. When the material containing water is subjected to sufficient microwave radiation, the water molecules absorb the microwave to heat up and evaporate quickly, and the material can be dried rapidly.
Microwave sterilization is the result of the thermal and biological effects of microwave. Thermal effect of microwave on bacteria is protein denaturation, make the bacteria lose nutrition, reproduction and survival conditions and death; biological effects of microwave field changes in cell membrane potential distribution section, effects of cells around the electron and ion concentration, thus changing the permeability of cell membrane, so the cells of malnutrition, not normal The NEW supersedes the old. cell structure. Function disorder, growth inhibition and death. In addition, the nucleic acid (RNA) and deoxyribonucleic acid (DNA), which are responsible for the normal growth of cells and the stability of genetic reproduction, are closely linked by several hydrogen bonds. A sufficiently strong microwave field can lead to hydrogen bond relaxation, breakage and recombination, which can lead to genetic mutations, chromosomal aberrations, and even breakage. Microwave sterilization is the use of the electromagnetic field of the thermal effect and biological effects of biological destruction, therefore, the microwave sterilization temperature is lower than the conventional method, only 70-105 degrees, only about 3-5 minutes.
Two, microwave sterilization drying equipment features:
1 heating quickly and evenly: do not need the heat conduction process, it can penetrate the heated material in a moment, penetration depth of up to a few centimeters, or even more than a dozen centimeters, a few seconds to tens of seconds will be able to convert microwave energy into heat. Microwave selective heating, heating more uniform.
2 energy saving and efficient: because of the moisture content of the material is easy to absorb microwave heating, therefore, in addition to a small amount of transmission loss almost no other losses. Compared with far infrared heating, microwave heating can save energy 1/3.
3 sterilization preservation: microwave heating with thermal effects and biological effects, therefore, in the low temperature quenching mold and sterilization; can maximally preserve the material activity and vitamins in foods, color and nutrients.
4 advanced technology, continuous production: as long as the control of microwave power can be achieved heating or termination, it has a perfect delivery system to ensure continuous production, computer control, labor saving.
5 safe and sound: microwave can be controlled effectively because the microwave energy is controlled in the heating chamber and the waveguide. The utility model has the advantages of no radiation hazard and harmful gas emissions, no waste heat, no pollution, no pollution to the environment and improvement of working conditions.
6 equipment covers a small area, saving investment
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