carbon fiber
Target machines , drones ... Are these highly sophisticated things related to the fiber industry? Yes. Because in the manufacture of some of their components, a strategic emerging material, carbon fiber, is needed.
Recently, the “China·Jilin Carbon Fiber Industry Conference†hosted by Jilin City People’s Government, Jilin Chemical Fiber Group, Jilin Carbon Fiber Industry Promotion Leading Group Office, Jilin City Talent Work Leading Group Office, and Jilin Province Carbon Fiber Industry Technology Innovation Strategic Alliance Jilin City was held. The meeting discussed the overall development of the Jilin carbon fiber industry, the technological breakthroughs of the leading enterprises Jilin Chemical Fiber Group in the field of carbon fiber, and the breakthrough point of further strengthening the strength of the domestic carbon fiber industry.
At the same time, carbon fiber enterprise products and equipment exhibitions were held in the same period. A number of carbon fiber enterprises and composite material manufacturers such as Jilin Carbon Valley and Zhejiang Jinggong exhibited carbon fiber products such as products and downstream products, target machines, drones and submarine models. The products attracted the attention of many viewers.
Jilin chemical fiber large tow carbonization project fills the gap in the market
"At present, Jilin Chemical Fiber Group uses 10 billion yuan of enterprises to raise about 400 million yuan of carbon fiber new products, and wants to receive better returns, still on the road. However, our industrial enterprises should make a difference and should hold up Carbon fiber is a national industry and an industry that is valuable to the country. China's carbon fiber is now fully marketable. In this process, two generations have worked hard. China's carbon fiber industry is so delicate, attracting countless heroes to compete, some people I have devoted my life to this. The better development of the carbon fiber industry is still in the present." Song Dewu, chairman of Jilin Chemical Fiber Group Co., Ltd., was passionate about this meeting, and he deeply felt a batch of domestic carbon fiber. People's deep feelings and responsibility of the country.
Song Dewu also announced a heavy news at the meeting: the first 2,000-ton production line of the Group's 8,000-ton large tow carbon fiber carbonization project was successfully tested.
The large tow carbon fiber preparation technology is one of the key technologies for the low cost of the carbon fiber industry, and is also the main technical path for the large-scale application of carbon fiber in the industrial field. However, the carbon fiber produced in China before is basically a small tow. The large tow carbon fiber has high production efficiency, and the production cost is 30% lower than that of the small tow, and the layering efficiency is high in the preparation process of the composite material.
The 8000-ton large tow carbon fiber production line has the largest carbon fiber carbonization capacity in China, and its completion and production has filled the blank of China's large tow carbon fiber production, marking an important step for China's large tow carbon fiber production technology, which will accelerate China. The application of carbon fiber products in industrial fields such as wind power, automobile lightweight, pressure vessel, and marine engineering can effectively expand the application fields of domestic carbon fiber, drive the industrial chain to extend upstream and downstream, and promote the overall expansion of the industrial scale. At the same time, it also marks the development of Jilin's chemical fiber carbon fiber industry into a new stage of rapid growth.
The project was jointly built by Jilin Chemical Fiber Group and Zhejiang Jinggong Group. It broke ground in October 2016 and was completed and put into operation in 14 months. The spinning machine, oxidation furnace, low-carbon furnace and high carbon in the main process equipment The furnace exhaust gas treatment system and the wire take-up machine are all equipped with world-class carbonization equipment, and only one main production line has invested 260 million yuan.
The reporter saw in the carbonization workshop that the equipment with large volume and advanced technology was neatly arranged. The high-quality carbon fiber strands produced by Jilin Chemical Fiber Carbon Valley can be carbonized in the workshop. And because the original yarn is used nearby, it saves a lot of transportation and packaging costs.
After the large tow carbonization line (Phase I) was put into production, Jilin Chemical Fiber realized the combination of the upstream and downstream industrial chains of carbon fiber, further seeking breakthroughs in carbon fiber production technology, and striving to promote the development of domestic carbon fiber industry and new materials while releasing production capacity.
As a supporting project for the 8000-ton large tow carbon fiber carbonization project, the first-stage polymerization section of the 40,000-ton carbon fiber raw silk expansion project and the 2000-ton spinning production line were completed and put into operation on August 23, 2017, and the second phase of the 5000-ton spinning production line. It is expected to be running soon. The project is scheduled to be completed in May 2019 in parallel with the 8,000-ton large tow carbon fiber carbonization project. At present, after the carbonization of 24K carbon fiber raw yarn produced by the project, the quality index is stable and the supply of the product is in short supply. Jilin Chemical Fiber is currently the largest carbon fiber raw silk production base in China.
According to reports, in recent years, Jilin Chemical Fiber insists on the production and operation, the integrated development of the industrial chain, the terminal pull, and the combination of production, education and research to improve the supply of four main lines, and promote the application of military industry to civilian use and industrial use, especially by leading the formation of Jilin. The Provincial Carbon Fiber Strategic Alliance has established an effective new mechanism for cooperation in production, learning and research. The company is committed to the development of "low cost, large tow, generalized, high quality" carbon fiber raw silk, and has successfully developed 12S, 24K, 48K large tow carbon fiber precursors. The product quality is stable at the level above T400, which is at the domestic leading level. The sales volume of raw silk has been “split†and has formed a stable export order. The successful development and industrialization of 24K and 48K large tow carbon fiber precursors also marks a breakthrough in the production and production technology of domestic carbon fiber large K number raw silk, which fills the domestic gap.
Among them, its 24K large tow carbon fiber has been tested by Beijing University of Chemical Technology and Deakin University in Australia, surpassing the T300 standard, and its performance is comparable to that of the world's leading companies. After being expanded and carbonized by Weihai, the 24K original wire has been successfully applied to wind power blades made by Vestas in Denmark, fully meeting its quality requirements. At the same time, the pre-oxidation wire market was successfully developed and applied to the field of fire protection and sealing materials.
From January to November 2017, Jilin Chemical Fiber Carbon Valley's carbon fiber raw silk sales volume was 4,847 tons, a year-on-year increase of 21%, and its domestic market share reached 94.2%, exceeding the previous year's 34.2%. In addition, the new product 12S-T700 grade products have been exported to Russia.
Jilin carbon fiber industry has produced many fruits
In China's carbon fiber industry map, Jilin Province, where Jilin Chemical Fiber is located, has an important position with Jiangsu and Shandong, each with its own place.
In recent years, relying on the national policy of encouraging the development of new materials industry, Jilin Province has actively pursued and developed a new material carbon fiber industry based on the transformation and upgrading of the province and relying on the industrial base and development conditions of automobiles and satellites. In 2016, the Jilin Provincial Party Committee and the Provincial Government formulated the “China (Jilin) ​​Large Tow Carbon Fiber Industry Development Planâ€.
As an old industrial base, Jilin City is one of the first cities in China to develop carbon fiber. After 50 years of development, it has made major breakthroughs in carbon fiber raw silk, carbon wire production and downstream product development, both in technology and industry. The scale is still the integrity of the industrial chain, and has become one of the three major industrial clusters in China. It is the only national-level carbon fiber high-tech industrialization base in China.
Jilin City currently has 24 companies including Jilin Carbon Valley Carbon Fiber Co., Ltd., Jilin Fangda Jiangcheng Carbon Fiber Co., Ltd. and CNPC Jilin Petrochemical Company Carbon Fiber Plant. It is engaged in the research and development and production of carbon fiber raw silk, carbon wire and carbon fiber products, and has the capacity of carbon fiber raw silk. 15,000 tons, product specifications cover 1K, 3K, 6K, 12K, 24K, 48K; carbon fiber production capacity of 3,035 tons / year, product performance reached the Japanese Toray company T400 level, and broke the T700 technical indicators; aerospace materials, Hard composite carbon felt, heating products, drones and other products have been mass-produced. Jilin City has been recognized as the national carbon fiber high-tech industrialization base by the Ministry of Science and Technology and the Science and Technology Department of Jilin Province, Jilin Province-level carbon fiber and high-tech characteristic industrial base, high-tech fiber (carbon fiber) and differentiated fiber provincial industrial park. .
In recent years, Jilin City has actively grasped the “One Belt and One Road†construction and the opportunity of cooperation between Jilin and Zhejiang. The new carbon fiber materials were included in the “6411†industrial development plan, and the construction of a 112,000 square kilometer carbon fiber industrial park was started. "Jilin Carbon Valley".
Xie Yi, deputy mayor of Jilin Municipal People's Government, said that as early as 10 years ago, Jilin City took the carbon fiber industry as the key development direction, increased investment in science and technology research and development, enhanced independent innovation capability, and achieved in some important processes and key technologies. A major breakthrough broke the foreign technical blockade and monopoly.
In January 2010, Jilin was approved by the Ministry of Science and Technology as the only national-level carbon fiber high-tech industrialization base in China. After more than ten years of development, the downstream products of carbon fiber produced by Jilin City have covered 4 series of more than 10 kinds of end products, forming "propylene-acrylonitrile-polyacrylonitrile-based carbon fiber precursor-carbon fiber-carbon fiber downstream products. "This is the most complete carbon fiber industry chain in China, which is a collection of industrial development clusters with both military and civilian use and upstream and downstream cooperation.
Song Jiasheng, deputy director of the Jilin Municipal Science and Technology Bureau and deputy director of the Municipal Carbon Fiber Industry Promotion Leading Group Office, introduced that in 2017, the construction of the carbon fiber industrialization base project was included in the “Double Ten†project of Jilin City, and the pace of construction of key projects was obviously accelerated, and the construction of the base showed good development. situation. In 2017, 9 projects were started with a total investment of 3.92 billion yuan.
It is understood that in addition to several projects of Jilin Chemical Fiber Group, the new projects that Jilin City will continue to promote include: Fangda Carbon New Material Technology Co., Ltd. annual production of 1,500 tons of carbon fiber production line relocation project, Jilin Tengxiang Technology Co., Ltd. annual output 2040 pieces of carbon fiber advanced equipment products and so on.
“The project is the most basic carrier for the development of carbon fiber industry in Jilin City, and it is the most convenient and effective entry point. The development of Jilin carbon fiber industry must be supported by project construction, and strive to plan a group of high technology content, good market prospects and strong competitiveness. The project will focus on implementing a number of industrial projects with radiation and demonstration, and form an effective carbon fiber industrial chain and industrial system, in order to effectively promote the greater development of the industry." Song Jiasheng said.
China's carbon fiber industry still has to be strong and strong
The achievements made by Jilin City are a reflection of the rapid development of China's carbon fiber industry for more than 10 years. In fact, over the past 10 years, China's carbon fiber industry has developed by leaps and bounds, and has achieved remarkable results in terms of industrial layout, industrial scale, production process and application technology, and application in key areas. For example, in terms of technology, Zhongfu Shenying's dry-jet wet spinning technology is a major breakthrough in China's carbon fiber preparation technology. Jilin Chemical Fiber Group Carbon Valley Company has broken through low-cost, large-to-to-beam carbon fiber production technology; in terms of industrialization, China is currently There are 11 thousand-ton lines with capacity scale, which will increase to 12 in 2018. At the same time, 7~8 production lines are suspended, which is also a normal market phenomenon.
Then, during the "Thirteenth Five-Year Plan" period, what aspects should China's carbon fiber industry continue to break through?
Wang Yuping, vice president of the China Chemical Fiber Industry Association, pointed out that the state attaches great importance to the development of the new materials industry and has also introduced a number of support policies. During the “Thirteenth Five-Year Plan†period, China's carbon fiber enterprises should continue to break through the key technologies of low-cost, high-efficiency polymerization, high-speed spinning, homogeneous oxidation and rapid oxidation and carbonization, such as low-cost, large-scale and high-stability; continue to break through 24K or more. The production technology of bundle carbon fiber; continue to break through the preparation technology of spinning oil agent and sizing agent matched with domestic carbon fiber; continue to break through the recovery technology of carbon fiber composite material, repair technology, surface modification technology and composite material product development technology. In terms of application, we must continue to make breakthroughs, such as continuing to achieve scale applications in the fields of automobiles and high-tech ships.
"Next, China's carbon fiber industry should integrate innovation factors, further improve innovation capabilities; improve industrial concentration, solve the problem of 'small and scattered'; continue to strengthen upstream and downstream industry cooperation, promote international cooperation; actively promote standardization and expand high-end fields Application; promote the integration of military and civilian, promote the development of civilian products and the transformation of military science and technology achievements." Wang Yuping stressed.
Song Dewu combined with the development of Jilin Chemical Fiber itself: "The next step, China's carbon fiber industry should continue to upgrade and optimize the stock. Jilin chemical fiber in the application of large tow, in the 25K, 50K products to tackle the problem, in the small tow, to Carry out research and development of 1K, 3K, 12K, T700 products; continue to differentiate development. For example, Jilin Chemical Fiber's current multi-carbon fiber production line, one of which is for Russian customers, one for Guangwei to expand demand; Need to be differentiated, such as different needs in the field of prepreg, fabric and winding; to emphasize the localization of digestion and absorption, including the localization of processes and equipment, etc. It should also be noted that we should not only pursue speed, but also should Pursuing the efficiency of equipment utilization. From the perspective of investment, localization is also required to further reduce investment costs."
Zhang Dingjin, chairman of China Composites Group, pointed out: "We will continue to pursue profits in the carbon fiber industry. If we have been below the cost line, the development of the industry will not last. In the next step, enterprises should continue to expand their scale and products should be more emphasized. As a center, further reduce costs. It should be noted that high-performance carbon fiber has a very good development space. In terms of applications, aerospace is a key application area of ​​Japanese carbon fiber, and its application in this field accounts for about 1/4. China's carbon fiber application in this field is still very low, and we must continue to break through in this regard."
Xu Lianghua, director of the National Carbon Fiber Engineering Technology Center and professor of Beijing University of Chemical Technology, pointed out that the "internal strength" of China's carbon fiber industry is still far from the developed countries. Next, how to make carbon fiber that the market likes is very important in China; it is necessary to further research on technologies such as wet spinning, continue to overcome technical problems, and continue to release production capacity; pay special attention to large tow technology because it is large in industrial applications. Tow technology is very critical, and special attention should be paid to the application process performance of the large tow technology; it should continue to be strengthened in terms of equipment. In addition, it is necessary to strengthen the standard system construction and intellectual property layout. At present, the patent application for China's carbon fiber industry is still dominated by research institutes, while Japan is dominated by three leading companies. It is hoped that China will continue to strengthen breakthroughs in these areas and “protect and escort†industrial development.
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