Microwave drying is different from traditional drying methods in that the direction of heat conduction is the same as the direction of moisture diffusion. Compared with the traditional drying method, it has the advantages of large drying rate, energy saving, high production efficiency, uniform drying, clean production, easy realization of automatic control and improvement of product quality. As far back as the 1960s, foreign countries have conducted extensive research on the application and theory of microwave drying technology, and have further developed in recent decades. The research of microwave drying technology in our country started late, and there is a certain gap compared with foreign countries. Although a lot of achievements have been achieved, the application research field of microwave drying technology is narrow, and most of them stay in the experimental stage or small-scale production stage. Composite microwave drying The research of technology needs to be expanded, and the theoretical research of mass transfer and heat transfer in microwave drying is not enough. The development of equipment and instruments supporting microwave drying technology needs to be strengthened. In addition, although microwave drying has made great progress in the theoretical research on the application of natural rubber drying, there are still many problems to be solved in its scale, continuousness, and automation. The microwave drying of rubber molecular structure, non-rubber components and products The impact of process performance, etc. needs further study. These are the research priorities of the industry in the future. In the conventional drying process, in order to increase the drying speed, it is necessary to increase the external temperature and increase the gradient of the temperature difference. However, the phenomenon of endogenous coke in the material is easily generated. However, when microwave heating is used, no matter how the material is shaped, heat can be uniformly infiltrated, and a bulky effect can be generated, which facilitates crushing. Under microwave irradiation, the drying rate of the materials tends to be uniform and the heating is even. In addition, the microwave drying technology does not affect the color, aroma, taste and tissue structure of the dried material, and the active ingredient is not easily decomposed and destroyed. Relevant research institutions are now adopting microwave drying to replace the traditional drying room to solve the problem of drying unevenness caused by drying traditional Chinese medicinal materials using traditional drying methods. Microwave equipment has fewer supporting facilities, occupies less land, is easy to operate, and can be continuously operated. It is convenient for automated production and enterprise management (it can be controlled through PLC programming and temperature can be adjusted). The energy efficiency of the microwave drying process is relatively high. This is because the heat of the microwave is generated directly inside the wet material, the heat loss is small, the thermal efficiency is high without environmental and noise pollution, and the working environment can be greatly improved. In the next few years, the domestic microwave dryer industry will continue to develop and become an important driving force for the development of the domestic microwave dryer industry. Therefore, the production enterprises must not only carry out fundamental transformations from the drying process, but also carry out comprehensive and multi-level energy-saving technological transformations, and vigorously develop drying technologies that use renewable energy and industrial waste heat. Main Brands We Supply Hydraulic Breaker Chisels,Mb1500 Hydraulic Breaker Chisels,Custom Hydraulic Breaker Chisel,Silenced Type Construction Chisels Handan Hanbing Machinery Manufacturing Co.,Ltd , https://www.handanhanbing.com
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