When it comes to market issues, three experts agreed that the application of drying technology in China is by no means confined to the chemical industry but across all industries. It is very extensive, and with the continuous development and progress of science and technology, the application of drying technology The field will be further broadened and the potential market is very large. Professor Cao Chongwen said: 'For agricultural products, for example, the drying equipment for agricultural products owned by Japan is roughly 1.5 to 1.7 million units, while there are only 20,000 units in China. On the one hand, it shows that the degree of agricultural mechanization in our country is far from enough; on the other hand, it also shows that there are still big gaps in our consumption philosophy. The drying of crops directly affects the quality of crops. For example, the 'burst' and cracks of rice are not caused by threshing, but are problems of drying methods and drying processes. Different drying methods and drying processes will also affect the taste and nutritional content of crops. It is believed that as China's process of fully pursuing a well-off society continues to accelerate, people's consumption concepts will also undergo profound changes. Professor Pan Yongkang said: 'The research of drying technology mainly refers to the research of drying theory, drying process and drying equipment. The focus of the theory of drying today is not the phenomenon of the transfer outside the material but the phenomenon of the internal transfer of the material during the drying process. A wide variety of materials are being dried, and the texture and transfer characteristics of the materials are changing during the dehydration process. Therefore, although a lot of work has been done on the international front, it is still not ideal and it still cannot solve the problem. As of today, the dry conditions are still largely determined by experimentation and experience. At the same time, domestic and foreign scholars have done a lot of research on drying processes and equipment. Held the Tenth National Drying Conference in Hangzhou. There are more than 70 colleges and universities, research institutes and a large number of experts in drying technology research in our country. In China, some research and development of grain drying, drying of biological materials, drying of vegetables and fruits, and some new drying equipment are at the forefront of the international level. Although China's drying equipment manufacturing companies generally have weaker research and development, they don’t invest much. But there are also some very good product development projects, such as self-cleaning rotary cylinders, closed-cycle organic superheated steam helium particle fluidized bed, large-scale spray fluidized granulation, 45 tons of large-scale spray drying equipment, etc., but unfortunately, Most of the technology developed is in a state of confidentiality and usually does not openly engage in academic exchanges.
According to MUJUMDAR, there are at least 200 international-level drying experts in the former Soviet Union. Drying technology was the world leader before the 1980s, but due to national conditions and language barriers that have affected their integration into the international drying industry, they are rarely seen today. To the brilliant papers they published, we should take warnings in this regard.
In order for China's drying technology to catch up with the international advanced countries, there are many things to do, but the close integration between the academic and industrial circles is one of the most important factors.
Zhou Caijun, a well-known expert in the manufacture of spray drying equipment in China and the director of Wuxi Linzhou Drying Equipment Factory, also talked about his own views. He said: 'From the perspective of domestic drying equipment manufacturers, there are not only technical innovation issues, but also a The issue of upgrading the file, the issue of competitive advantage. In this regard, we started earlier. We have jointly developed and researched spray drying technologies with universities and research institutes such as Dalian University of Technology and China Academy of Forestry. We not only won the favor of the domestic market, but ended our country's past relying on imports of spray drying machinery. The situation, but also entered the international market' Shandong Academy of Sciences Institute of Energy, deputy director, researcher, Shandong Tianli company chairman and general manager Shi Yongchun said in his speech: 'not long ago, the International Drying Conference held in Beijing from According to the exchange situation, there is still a certain gap between China's drying technology research and development and the advanced world level, especially in basic research. Therefore, no matter from the perspective of academic research or from the perspective of the enterprise, how can we further narrow us? With regard to the issue of the gap between the international advanced level, Tianli has unshirkable responsibilities and obligations. In this regard, in recent years, we have published more than twenty academic papers at home and abroad, and we have translated and published his book “Principles and Equipment and Processes of Drying Processes†through the exchange of technical information with Prof. MUJUMDAR; and Canadian CANMET Energy Research Center. In the aspect of drying of organic waste, extensive exchanges and cooperation were carried out; a medium-low pressure spray dryer was jointly developed with the Reckov Institute of Heat and Mass Transfer of the Belarusian National Academy of Sciences; and the University of Technology in Lodz, Poland, also carried out various aspects. Cooperation, including technical exchanges, cooperative research, etc. The "spray fluidized bed granulation technology" that we jointly researched and developed has been included in the cooperation projects between the two governments. China has already joined the WTO and must work hard to research and develop technologies and products with independent intellectual property rights. At present, the two doctors we cultivated from home and abroad have been enriched to Tianli Company. In the future, we must further enrich our technology and increase our efforts in development.
Everyone agrees that China must develop from a large dry country to a dry one, and must further strengthen basic theoretical research and lay a solid foundation for applied research and application development. Technically, it is necessary to strengthen the degree of automation, testing techniques, manufacturing processes, material design, etc. Research. In terms of application development, it is necessary to focus on international exchanges and cooperation, but also on the protection of intellectual property rights; it is necessary to pay attention to the development of new technologies and new application areas, but also to focus on innovation and innovation in traditional processes and traditional application areas. As a manufacturing company, we must work hard on management innovation and technological innovation, work hard on product upgrades, adjust the product structure in accordance with the requirements of high quality, low energy consumption, and environmental protection, cultivate competitive advantages, promote honest services, and promote enterprise development.
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