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.
Analysis of the Drying Equipment Market in China Most foods are wet materials that contain a lot of moisture. If the food product contains too much water, it can cause life activities of the microorganisms and cause 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.
Analysis of the status quo and future trends of food drying equipment The most commonly used areas of drying equipment are pharmaceuticals and foods. The requirements for drying equipment in these two areas are relatively high, and there are specific requirements for the materials, structure and processing quality of the drying equipment used. The drying equipment and drying system also have stringent health index requirements. Therefore, it is necessary to continue to pass technological innovations to meet the ever-increasing demands in the application field. This is also the road that China's drying equipment industry must take to break through the 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 to further study the drying mechanism and the material drying characteristics, and to develop and improve the dryer under the optimal operating conditions for different materials; in addition, the large-scale, high-strength, high-economical, and improved The adaptability of raw materials and product quality are the basic trends in the development of dryers. At the same time, further research and development of new efficient and adaptable special requirements of dryers, 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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