The agricultural product processing industry is a pillar industry in many rural economic developments. Similar to some common agricultural products such as dried fruits, dried fruits and vegetables, and spices, drying machinery is an indispensable equipment in its processing. At present, the domestic market share of food drying equipment in China has reached more than 80%, which plays an important role in food processing. There are many types of equipment used for drying operations. According to the operating pressure can be divided into normal pressure and decompression (vacuum dryer also known as vacuum dryer); according to the operating method can be divided into intermittent and continuous; according to the drying medium can be divided into air, flue gas or other drying medium According to the movement (material movement and drying medium flow) can be divided into co-current, countercurrent and cross-flow. China's drying equipment market analysis Most foods are wet materials that contain a lot of moisture. If the food is too much water, it will cause life activities of the microorganisms and lead to food corruption or shorten the shelf life of the food, and increase transportation costs. Food processing includes many processes such as sorting, crushing, separating, mixing, sterilizing, refrigerating, and drying raw materials, and the drying process is a key link to ensure food quality. Drying foods can prevent the proliferation of microorganisms in foods, facilitate storage, reduce the volume and weight of foods, and reduce transportation costs. Food Drying Equipment Development Status and Future Trend Analysis The most commonly used fields for drying equipment are pharmaceuticals and foods. The requirements for drying equipment in these two fields are relatively high. There are specific requirements for the materials, structure and processing quality of the drying equipment used, and there are also strict requirements for drying equipment and drying systems. The health index requirements, therefore, need to continue through technological innovation to meet the increasing demand in the field of application, which is China's drying equipment industry must take the path of breakthrough development. However, at this stage, the drying capacity of China's drying equipment manufacturing enterprises is generally low, and the enterprises that can introduce new technologies and new products with independent intellectual property rights are poor, resulting in slow development of drying technology. The fundamental reason is that the level of technological innovation is not enough. Industry companies should strengthen their research in automation, manufacturing processes, and materials and materials design in the technological direction. At present, China's drying equipment is only less than half the price of the same foreign products; on the other hand, due to the large volume of drying equipment, most of them involve on-site installation, commissioning and after-sales service. Therefore, for domestic users, a good choice of packaging machinery and equipment manufacturers can ensure that your equipment runs more reliably, and it is more energy-efficient and long-term operation. In particular, the demand for larger-scale equipment in vacuum freeze-drying equipment and equipment with functional combinations (eg, granulation-drying, drying-filtration) is increasing, and highly automated drying equipment is also very popular in some application fields. In addition, the drying equipment with good appearance quality, corrosive material drying equipment with strong corrosion resistance and long service life has also received special attention from downstream companies. Future development trend analysis The future development of drying equipment will be in-depth study of drying mechanism and material drying characteristics, mastering the optimum operating conditions for different materials, developing and improving the dryer; In addition, large-scale, high-strength, high-economic, and improve the adaptation to raw materials Sex and product quality are the basic trends for the development of dryers; at the same time, further research and development of new efficient and adaptable special requirements of the dryer, such as combination dryers, microwave dryers and far infrared dryers. The development of dryers should also pay attention to energy saving and energy comprehensive utilization, such as adopting various joint heating methods, transplanting heat pump and heat pipe technology, developing solar dryers, etc., and developing automatic control technology of dryers to ensure optimal operating conditions. In addition, with the emphasis on environmental protection by human beings, improving the environmental protection measures of the drier to reduce the leakage of dust and exhaust gas will also be a need for in-depth research. For a long time, the domestic drying equipment industry has always had the characteristics of small scale of production, low barriers to entry, and low overall technical content. Today, high-tech products are spawning the emergence of backbone enterprises in the drying equipment manufacturing industry. This is likely to be a signal that the field is free from vicious price competition, changing the status quo of small and scattered enterprises, and the natural integration of the industry. Through technological competition, a strong, united, survival, and elimination of the fittest will nurture a leader in the industry, which may be just around the corner. 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