Recently, the 16th National Drying Conference sponsored by the Drying Technology Professional Group of the Chemical Engineering Professional Committee of the Chinese Chemical Industry Association and organized by Changzhou Fanqun Drying Equipment Co., Ltd. was held in Changzhou to showcase new technologies and achievements in the drying industry in China in recent years. New trends. Experts at the meeting believe that at present, technological innovation and equipment development in the drying industry in China are accelerating, and more and more competitive enterprises have emerged, and products will also change from manufacturing to intelligent manufacturing.
Technical equipment is advanced
Shi Yongchun, chairman of the drying equipment branch of the China General Machinery Industry Association, told reporters that in the past two years, the drying industry in China has experienced the most severe test of this century. The drying equipment industry has faced a series of problems such as shrinking market demand, overcapacity and structural structural overcapacity, and slow economic growth. Fortunately, dry companies are advancing against the tide, basically completing the adjustment and transformation under the new normal, and successfully achieving a “soft landing†for the industry upgrade. At present, China's new drying technology and equipment emerge in an endless stream, and it has reached the advanced level of similar equipment at home and abroad. Among them, polypropylene dryers are a good example.
National Center for Drying Technology and Equipment Engineering Technology Research Center, Sun Hua, general manager of Tianhua Chemical Machinery and Automation Research and Design Institute Co., Ltd., said that the D520 Fluidized Bed Dryer designed and manufactured by Tianhua Institute can be used with polypropylene plants of different sizes. , In the Tianjin Petrochemical polypropylene plant (45 tons / hour) for many years, fully meet user needs, the overall technology has reached the advanced level of similar equipment at home and abroad, and access to a number of patents. Sun Center said that the Tianjin Petrochemical D520 dryer has high capacity and large impact on the drying medium. To prevent tearing of the bed distribution plate and damage of the relevant parts caused by the inlet stress concentration, Tianhua Institute conducted a stress analysis specifically for this, according to the results of the equipment. Safe handling was performed and good results were achieved.
In the process of industrial production of polyethylene oxide (PEO), the suspension discharged from the polymerizer must be filtered, dried and cooled. After filtration, it is a kind of gasoline-containing, high-viscosity material with poor high temperature resistance. PEO wet material. The post-treatment of this wet material with PEO forms harsh operating conditions, which greatly limit the industrial mass production of PEO. In response to this situation, the Institute of Chemical Technology of the Shanghai Research Institute of Chemical Industry developed a closed-circuit circulation drying process with a horizontal fluidized bed as the core device. The system solved the deficiencies of the traditional process in industrial production and increased the production capacity of PEO. The production cost is effectively reduced, the complete set of equipment operates stably, and the product quality has reached the same high quality level in foreign countries.
The research field is gradually widening
Industrial drying There are many technologies, such as hot air drying, vacuum drying, etc., all need to take away water through changes in temperature, pressure or gas flow rate.
Professor Ma Yitai of the Institute of Thermal Energy of Tianjin University, who is committed to research on the natural working fluid CO2 refrigeration and heat pump cycle, told the China Chemical News reporter that the drying of materials is an interdisciplinary research topic that requires researchers to apply heat transfer , nutritional analysis, mathematics and other multi-disciplinary theories and methods to conduct in-depth research on the heat transfer and quality changes of dried products during drying process.
Promote the development of drying theory and open up new research fields.
At the meeting, Ma Yitai introduced the research results of heat pump technology in industrial and agricultural drying. Heat pump drying is the use of heat pump technology to achieve the drying of materials, mainly used for food, food, feed, wood, medicinal materials, etc. It is characterized by the drying temperature can achieve precise control, compared with the conventional coal, fuel less energy consumption, Dry material and external environment are not contaminated. Ma Yitai said that heat pump technology can use low-grade renewable energy. Heat energy in the air, or heat energy and shallow soil in various water sources (shallow groundwater, river water, lake water, seawater, etc.) are also renewable energy sources. These energy grades are too low to be used directly, but they can be used by heat pumps to increase the temperature. . A piece of electricity can "explore" 3 to 5 or more low grade energy. "To sum up, the heat pump is a renewable energy mining technology, but also low-carbon technology, heat pump drying technology has a wide range of applications in the drying process of industrial and agricultural products." He said.
The growing number of advantageous companies
Fan Binghong, chairman of Changzhou Fanqun Drying Equipment Co., Ltd., told reporters that after decades of development, drying equipment companies have grown from scratch and from small to large, and the entire industry has reached a relatively high level of quality, energy efficiency, and scale. The level of success has occupied the dominant position in the domestic market. Even more gratifying is that there are more and more advantageous companies growing and expanding, from a single extensive drying to a combination of intelligent drying, toward the direction of efficient and green drying.
The reporter learned that Fan Qun has developed a variety of special drying roasting equipment and obtained corresponding patent certificates for the development of the chemical, pharmaceutical, catalyst, environmental protection, and food industries. At present, Fanqun Dry has developed into a comprehensive high-tech enterprise that integrates the design, manufacture, and research and development of drying equipment. It is also a leading company for drying, roasting, and coating equipment in the SCR catalyst industry, and has become P&G, BASF, Honeywell, Equipment suppliers for multinationals such as Clariant, Capelle, Degussa, Umicore, Di Aisheng, and Aksu. Fan Binghong said: "We have learned a lot of advanced technologies and management concepts in cooperation and exchanges with these multinational corporations, and we have achieved great development in more than 20 years of growth."
The chairman of Changzhou One-Step Drying Equipment Co., Ltd., Mr. Zha Guocai revealed to reporters that in August of this year, the company's XSG rapid spin flash dryer was qualified by the customer and was sold to Taiwan and delivered for use. The FG series vertical boiling dryer produced by one-step drying has undergone continuous improvement and upgrading. It has been widely recognized by foreign customers in Japan, Iran, Nigeria, and Indonesia. The annual sales volume has increased to more than 30 units.
Towards smart manufacturing
Shi Yongchun, chairman of the drying equipment branch of the China General Machinery Industry Association, told reporters that with the development of information technology and automated equipment manufacturing in the 21st century, a new wave of industrial revolution has taken place, and intelligent manufacturing has become the development of manufacturing industries in all countries of the world. National strategies and approaches.
Professor Liu Xiangdong, head of the drying technology professional group of the Chemical Engineering Committee of the Chinese Chemical Industry Association, said that intelligent drying is a development concept put forward under the overall transformation and upgrading of the equipment manufacturing industry. It is based on the energy efficiency, environmental protection, and product quality of drying equipment. Comprehensive consideration of efficiency,
Change to a single type of extensive dry drying for the combination of intelligent, in line with resource-saving development requirements.
"If the manufacturing and manufacturing of the drying equipment industry itself can achieve the upgrade and application of intelligent equipment, it can significantly increase the level of intelligence in the production process of the drying equipment industry and the product itself, and greatly increase the production efficiency and product technology level. And product quality,
Reduce resource and energy consumption, reduce production costs, and improve the company's after-sales service level. “Fan Binghong told reporters that the development of intelligent drying equipment should follow the development philosophy of “innovation-driven, quality first, green development, structural optimization, and information sharingâ€, strengthen common industrial technology research and development, strengthen collaborative innovation, and strengthen technology among enterprises. Exchanges, strong alliances, increase financial investment in technological innovation, transformation and upgrading, promote and upgrade the transformation and upgrading of the drying equipment manufacturing industry, and move toward the goal of intelligent manufacturing.
Technical equipment is advanced
Shi Yongchun, chairman of the drying equipment branch of the China General Machinery Industry Association, told reporters that in the past two years, the drying industry in China has experienced the most severe test of this century. The drying equipment industry has faced a series of problems such as shrinking market demand, overcapacity and structural structural overcapacity, and slow economic growth. Fortunately, dry companies are advancing against the tide, basically completing the adjustment and transformation under the new normal, and successfully achieving a “soft landing†for the industry upgrade. At present, China's new drying technology and equipment emerge in an endless stream, and it has reached the advanced level of similar equipment at home and abroad. Among them, polypropylene dryers are a good example.
National Center for Drying Technology and Equipment Engineering Technology Research Center, Sun Hua, general manager of Tianhua Chemical Machinery and Automation Research and Design Institute Co., Ltd., said that the D520 Fluidized Bed Dryer designed and manufactured by Tianhua Institute can be used with polypropylene plants of different sizes. , In the Tianjin Petrochemical polypropylene plant (45 tons / hour) for many years, fully meet user needs, the overall technology has reached the advanced level of similar equipment at home and abroad, and access to a number of patents. Sun Center said that the Tianjin Petrochemical D520 dryer has high capacity and large impact on the drying medium. To prevent tearing of the bed distribution plate and damage of the relevant parts caused by the inlet stress concentration, Tianhua Institute conducted a stress analysis specifically for this, according to the results of the equipment. Safe handling was performed and good results were achieved.
In the process of industrial production of polyethylene oxide (PEO), the suspension discharged from the polymerizer must be filtered, dried and cooled. After filtration, it is a kind of gasoline-containing, high-viscosity material with poor high temperature resistance. PEO wet material. The post-treatment of this wet material with PEO forms harsh operating conditions, which greatly limit the industrial mass production of PEO. In response to this situation, the Institute of Chemical Technology of the Shanghai Research Institute of Chemical Industry developed a closed-circuit circulation drying process with a horizontal fluidized bed as the core device. The system solved the deficiencies of the traditional process in industrial production and increased the production capacity of PEO. The production cost is effectively reduced, the complete set of equipment operates stably, and the product quality has reached the same high quality level in foreign countries.
The research field is gradually widening
Industrial drying There are many technologies, such as hot air drying, vacuum drying, etc., all need to take away water through changes in temperature, pressure or gas flow rate.
Professor Ma Yitai of the Institute of Thermal Energy of Tianjin University, who is committed to research on the natural working fluid CO2 refrigeration and heat pump cycle, told the China Chemical News reporter that the drying of materials is an interdisciplinary research topic that requires researchers to apply heat transfer , nutritional analysis, mathematics and other multi-disciplinary theories and methods to conduct in-depth research on the heat transfer and quality changes of dried products during drying process.
Promote the development of drying theory and open up new research fields.
At the meeting, Ma Yitai introduced the research results of heat pump technology in industrial and agricultural drying. Heat pump drying is the use of heat pump technology to achieve the drying of materials, mainly used for food, food, feed, wood, medicinal materials, etc. It is characterized by the drying temperature can achieve precise control, compared with the conventional coal, fuel less energy consumption, Dry material and external environment are not contaminated. Ma Yitai said that heat pump technology can use low-grade renewable energy. Heat energy in the air, or heat energy and shallow soil in various water sources (shallow groundwater, river water, lake water, seawater, etc.) are also renewable energy sources. These energy grades are too low to be used directly, but they can be used by heat pumps to increase the temperature. . A piece of electricity can "explore" 3 to 5 or more low grade energy. "To sum up, the heat pump is a renewable energy mining technology, but also low-carbon technology, heat pump drying technology has a wide range of applications in the drying process of industrial and agricultural products." He said.
The growing number of advantageous companies
Fan Binghong, chairman of Changzhou Fanqun Drying Equipment Co., Ltd., told reporters that after decades of development, drying equipment companies have grown from scratch and from small to large, and the entire industry has reached a relatively high level of quality, energy efficiency, and scale. The level of success has occupied the dominant position in the domestic market. Even more gratifying is that there are more and more advantageous companies growing and expanding, from a single extensive drying to a combination of intelligent drying, toward the direction of efficient and green drying.
The reporter learned that Fan Qun has developed a variety of special drying roasting equipment and obtained corresponding patent certificates for the development of the chemical, pharmaceutical, catalyst, environmental protection, and food industries. At present, Fanqun Dry has developed into a comprehensive high-tech enterprise that integrates the design, manufacture, and research and development of drying equipment. It is also a leading company for drying, roasting, and coating equipment in the SCR catalyst industry, and has become P&G, BASF, Honeywell, Equipment suppliers for multinationals such as Clariant, Capelle, Degussa, Umicore, Di Aisheng, and Aksu. Fan Binghong said: "We have learned a lot of advanced technologies and management concepts in cooperation and exchanges with these multinational corporations, and we have achieved great development in more than 20 years of growth."
The chairman of Changzhou One-Step Drying Equipment Co., Ltd., Mr. Zha Guocai revealed to reporters that in August of this year, the company's XSG rapid spin flash dryer was qualified by the customer and was sold to Taiwan and delivered for use. The FG series vertical boiling dryer produced by one-step drying has undergone continuous improvement and upgrading. It has been widely recognized by foreign customers in Japan, Iran, Nigeria, and Indonesia. The annual sales volume has increased to more than 30 units.
Towards smart manufacturing
Shi Yongchun, chairman of the drying equipment branch of the China General Machinery Industry Association, told reporters that with the development of information technology and automated equipment manufacturing in the 21st century, a new wave of industrial revolution has taken place, and intelligent manufacturing has become the development of manufacturing industries in all countries of the world. National strategies and approaches.
Professor Liu Xiangdong, head of the drying technology professional group of the Chemical Engineering Committee of the Chinese Chemical Industry Association, said that intelligent drying is a development concept put forward under the overall transformation and upgrading of the equipment manufacturing industry. It is based on the energy efficiency, environmental protection, and product quality of drying equipment. Comprehensive consideration of efficiency,
Change to a single type of extensive dry drying for the combination of intelligent, in line with resource-saving development requirements.
"If the manufacturing and manufacturing of the drying equipment industry itself can achieve the upgrade and application of intelligent equipment, it can significantly increase the level of intelligence in the production process of the drying equipment industry and the product itself, and greatly increase the production efficiency and product technology level. And product quality,
Reduce resource and energy consumption, reduce production costs, and improve the company's after-sales service level. “Fan Binghong told reporters that the development of intelligent drying equipment should follow the development philosophy of “innovation-driven, quality first, green development, structural optimization, and information sharingâ€, strengthen common industrial technology research and development, strengthen collaborative innovation, and strengthen technology among enterprises. Exchanges, strong alliances, increase financial investment in technological innovation, transformation and upgrading, promote and upgrade the transformation and upgrading of the drying equipment manufacturing industry, and move toward the goal of intelligent manufacturing.
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