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It is understood that the application of drying technology involves chemical, petrochemical, pharmaceutical, building materials, light industry, feed, food, paper, wood, food and other industries. The drying process is a high-energy process in China, which consumes about 12% of the total domestic energy consumption. At the same time, the average energy utilization rate of the domestic drying process is only 40% to 50%, and the foreign advanced level has generally reached More than 70%.
At present, some of the large-scale drying equipment and technologies needed in China are almost entirely dependent on imports.
According to the researcher of the center's chief expert, Shi Yongchun, the research and development of the center is based on the model of “research center—incubation model enterprise—service industryâ€. He believes that this is an effective way to accelerate the development and application of localized equipment. In order to accelerate the industrialization of scientific research results, the center has hatched a scientific and technological demonstration enterprise----Shandong Tianli Drying Equipment Co., Ltd. as a carrier for the transformation of scientific research achievements. After the center completes the technical application research and the small test and the pilot test, Tianli will carry out the technical improvement and productization of the scientific and technological achievements, and then put it into the large-scale enterprise application of the relevant industry. After the product application plays a demonstration role, it will be promoted to the whole industry. .
Shi Yongchun said that the center is mainly for the major energy-saving drying equipment required by various industries and the major dry common technologies faced by various industries, and the application of basic theory and applied technology research; according to the transformation generation, research generation, pre-research generation Ideas, according to different types of drying technology, original innovation, integrated innovation and introduction of digestion, absorption and innovation; integration of thermodynamics, heat transfer, fluid mechanics and other research theories, explore the heat transfer and mass transfer laws of the drying process, and establish large-scale industries The engineering model of the drying device and the drying process; the development of internationally-level technical software to determine the drying process, and then the development of large-scale drying equipment and advanced drying technology through small and medium-scale tests. The practice of the center completely got rid of the passive situation that the domestic large-scale drying equipment is domestically produced and simply imitates the road.
The requirements of the Center of the Shandong Academy of Sciences are that the results of the development must be "topping the ground." The so-called "top sky" refers to the key common dry technology problems that must be targeted at the industry, strong linkage, and outstanding role, to develop key technologies and core technologies with independent intellectual property rights, and to achieve breakthroughs in the application of basic theoretical research. Advances in drying technology in various industries have a major role in driving. The so-called "site" means that research results must be promoted and applied, transformed into end products, and generate benefits.
In addition, the center has established long-term cooperative relationships with internationally renowned dry technology research institutions, such as the Belarusian Rekov Thermal and Mass Transfer Institute and the Lodz University of Technology in Poland. After hard work, the center has developed 35 scientific research results, 4 national Torch plans, 4 national key new product plans, 3 national key promotion projects, 68 independent intellectual property rights patents, and Shandong Science and Technology. 3 second prizes for progress.
At present, the soda-alkali calcination and drying large-scale internal thermal fluidization equipment developed by the company and Shandong Haihua Group, weighing 180 tons and 18 meters high, is the world's first. After applying 7 sets in Haihua Group, it has successively been in Tangshan Sanyou. Industry Co., Ltd., Henan Anpeng Alkali Mine Co., Ltd., Shandong Haitian Biochemical Co., Ltd. and other 10 major soda ash plants nationwide promote more than 100 sets, and now this product has considerable influence in the soda ash industry; cooperate with PetroChina Liaohua Branch The complete set of technology and equipment for large-scale fluidized drying of adipic acid has achieved energy utilization rate of 75%, and the energy-saving effect is obvious. The largest CPE drying heat exchange device developed in cooperation with Qingdao Haijing Group has a fluidized bed area of ​​20 square meters. At present, it has been exported to foreign countries; the large-scale flash dryer developed in cooperation with China Aluminum Group Shandong Branch has reached the international advanced level. It has applied 12 sets in Shan Aluminum Company, and the energy-saving effect is 20% higher than that of ordinary domestic products.
It is reported that up to now, the center has researched and developed more than 1,000 sets of drying.
The author recently learned from the Energy Conservation and Drying Engineering Technology Research Center of Shandong Academy of Sciences that after more than a year of hard work, the 600,000 tons/year PTA major domestically produced energy-saving drying equipment developed by the center, theoretical models and industrial prototypes have been completed and are currently being completed. The implementation of the demonstration will soon be put into production; the largest gypsum calcining and drying equipment developed by the center in cooperation with Shandong Xinwen Mining Group has been put into production. These scientific research achievements with independent intellectual property rights will break the long-term monopoly of large-scale energy-saving drying equipment manufacturing.
September 24, 2023