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China's drying equipment is quite different from the foreign advanced level in terms of degree of automation, appearance quality, completeness of packages, and functional combination. The main problems are the lack of technological innovation capability and regional concentration.
The lack of theoretical research is a major bottleneck restricting the development of drying equipment. The physical properties of the materials to be dried are varied, and only a few drying equipments cannot meet the needs of production. Theoretical research is the basis for the development of new dryers. With the development of drying technology in China, it is necessary to cultivate a group of theoretical research and drying technology development workers to improve the technical content of drying equipment in China. In recent years, although some colleges and universities or scientific research units in China are doing this work, the input of human and material resources is far from enough. In terms of theoretical research, there is still a big gap between China and Denmark, Canada, Japan and other countries.
At the same time, each drying equipment company still lacks a qualified experimental procedure. So far, neither the drying plant nor the theoretical research unit has a perfect experimental base. Drying is a very experimental technique. No matter if it is theoretical research or drying equipment manufacturing, experimental methods are indispensable. Through experiments, theorists can summarize many laws in the drying process, and equipment manufacturers determine various process parameters through experiments. However, many units just ignore the importance of experimentation. Some equipment factories do not even have a set of experimental devices. They have great blindness in the design of equipment.
At present, the weak experimental methods are mainly in these aspects. First, the equipment manufacturers have insufficient understanding of the experimental process and consider it dispensable. The second is that there are many types of experimental devices, and the investment is huge. The non-general enterprises can afford it. The establishment of a sound experimental base is a top priority for China's drying technology research. The third is the lack of experimental personnel, the analysis of experimental results is weak. Some companies do not have a technical person, and they do not even have drawings during the production process. They rely on the estimation and experience of the mechanical processing personnel to produce equipment worth hundreds of thousands and millions of dollars. This phenomenon is not uncommon in the drying equipment industry. .
Another reason that restricts the development of the industry is that although there are many drying equipment factories in China, these plants are mainly concentrated in several regions. An important reason for the concentration of a large number of low-level companies is to facilitate imitation. Dozens or even nearly 100 companies produce the same model, causing you to do what I can do. You can't do it or I can't do it. The specifications and promotional materials of each company are exactly the same, and the contents are strikingly similar. Patented products are rare. The result of this situation can be imagined.
The low-end products not only affected the overall image of China's drying equipment, but also caused the domestic price of the domestic drying equipment, which made it difficult for China's drying industry to achieve its overall competitiveness. Therefore, pharmaceutical machinery manufacturers need to consider the requirements of pharmaceutical quality standards, develop dynamic monitoring systems, fully enclosed automatic production lines, etc., and add warning signs and other humanized designs to the equipment.
Analysis of the Causes of the Miscellaneous Troops in Drying Equipment
In terms of quantity, China is regarded as the world's largest producer of dry equipment. However, most of the drying equipment manufacturers in China have low technical level, and the low-tech “junk-brand†military forces are crowding the market with a large number of low-quality, low-cost equipment. What are the reasons?