Runli·2021 China Cotton Textile Industry (Hefei) Development Conference
At present, sustainable development has become a broad consensus in the global industry and a major issue of international competition and cooperation. my country has also announced its goal of reaching a carbon peak in 2030 and achieving carbon neutrality by 2060. “Carbon peaking and carbon neutrality” will also be the new competitive advantage and important focus of the cotton textile industry. Helping achieve carbon peak is not only an intrinsic requirement for enterprises to achieve highquality development, but also an unshirkable responsibility for textile enterprises. In this context, the industry needs to build new comparative advantages in technological innovation, manufacturing innovation, and rule innovation to achieve a “win-win” of low-carbon development and capability improvement.
On July 16, the “Runli·2021 China Cotton Weaving Industry (Hefei) Development Conference and National Sizing and Sizing Technology Annual Conference” was held in Hefei, Anhui. The conference was hosted by the China Cotton Textile Industry Association, hosted by the China Cotton Industry AssociationEnvironmental ProtectionSizing Professional Committee, and Hefei Runli TextileNew Materials Co., Ltd., and the conference also received special support from Jiangsu Golden Sun Textile Technology Co., Ltd. With the theme of “Carbon Peak and Cotton Weaving”, the conference analyzed the impact and opportunities brought by carbon peak to my country’s textile industry, the situation of the cotton textile industry, and conducted discussions on fabric product development, green and environmentally friendly sizing, etc. comminicate.
Dong Kuiyong, President of China Cotton Textile Industry Association, Ye Liang, Executive President and Secretary-General of Anhui Textile Industry Association, Gao Weidong, Vice Chairman of China Textile Engineering Society, Deputy Director and Secretary-General of Cotton Textile Professional Committee, and former Vice President of Jiangnan University Dai Jun, director of the Environmental Sizing Professional Committee of the China Cotton Textile Industry Association and chairman of Jiangsu Yueda Textile Group Co., Ltd.; Ma, deputy director of the Low Carbon Economic Research Institute of Tsinghua University and director of the Planning and Development Department of the Tsinghua University Climate Change and Sustainable Development Research Institute Lin Wei, Zhang Haifeng, Chairman of Hefei Runli Textile New Materials Co., Ltd., and other leaders, as well as leaders from textile universities and upstream and downstream enterprises in the industry chain attended the meeting. The meeting was chaired by Wang Yao, vice president of the China Cotton Textile Industry Association.
The climate revolution is an opportunity for the new rise of the textile industry
At present, my country’s cotton textile industry owns more than half of the world’s spinning and weaving production capacity, providing a strong supply guarantee for the healthy development of downstream industries. In his speech, Dong Kuiyong reviewed the achievements of the cotton textile industry during the “Thirteenth Five-Year Plan“. The technical equipment level of my country’s cotton textile industry continues to improve. The ownership of high-speed looms and fully automatic drawing machines increased by 26% and 55% respectively. The level of intelligent production and modern management has increased significantly. The product structure has been continuously optimized, the pace of green production has been accelerated, and the total PVA consumption has dropped by more than 5 percentage points, laying a solid foundation for the sustainable and high-quality development of the cotton textile industry.
In response to the national “double carbon” goal, Dong Kuiyong believes that it is both pressure and motivation. From the perspective of the implementation significance of the long-term development of the industry, building a green and low-carbon industrial system is not only a key measure to deal with climate change, but also a key measure for my country’s textile industry. The inevitable path to achieve sustainable development. “Carbon peak” and “carbon neutrality” will accelerate the transformation and upgrading of my country’s cotton textile industry and promote industrial innovation, green and low-carbon development.
Dong Kuiyong said that over the years, under the guidance of the association and the active efforts of enterprises, a number of outstanding enterprises with the development purpose of “green and low carbon” have emerged in the cotton textile industry, including “Environmental Protection Sizing Demonstration Enterprises”, “Environmental Protection Sizing Demonstration Enterprises” Advanced examples such as “Slurry R&D Base” will continue to lead the green development of the industry, effectively implement green and low-carbon concepts throughout the entire process of product development, production and supply chain management, and strive to improve production efficiency and expand market space.
The proposal of the national “double carbon” goal will surely be reflected in the policy system and industrial regulations. Dong Kuiyong hopes that industry companies will make timely adjustments and incorporate green development into the company’s strategic system, production system, innovation system and value system to win the initiative in the future.
Ye Liang, executive president and secretary-general of the Anhui Textile Industry Association, said in his speech that Anhui is an important textile industry gathering place in central my country, and its textile industry ranks seventh in the country. During the “14th Five-Year Plan” period, Anhui will base its development on new textile materials and modern textile and apparel industries such as down and wedding dresses in Chuzhou and Lu’an, and rely on high-quality resources such as science and technology, commerce, and culture and tourism in the Hefei metropolitan area to develop an integration and driving role. A modern fashion industry system; with leading textile enterprises such as Huamao Group, Shenzhou Knitting, Zhongtian Textile and other characteristic textile industrial clusters such as Wangjiang and Yuexi as the core, it is created Modern textile industry demonstration zone along the Yangtze River; promote northern Anhui and western Anhui to undertake the industrial transfer of the Yangtze River Delta region and build an emerging advanced textile industry base. By making every effort to build a high-level and modern textile industry system, we will help Anhui improve its development position in the integrated development of the Yangtze River Delta and a new round of regional restructuring, and demonstrate Anhui’s responsibility in building a new development pattern for the textile industry nationwide.
ManyFor sizing with good performance, the starch sizing film can have good performance only when plasticized under high humidity, and the starch sizing yarn can be weaved only under high sizing rate. Ideas for improving the performance of starch slurry: reduce the starch gelatinization temperature, use quaternary ammonium salt etherification to reduce the starch gelatinization temperature, and prepare medium-temperature gelatinizable starch slurry; improve the moisture absorption and moisturizing ability of starch, use the ring-opening principle of epoxy compounds and Starch reaction can prepare highly hygroscopic and moisturizing starch; solve the problems in the performance of starch slurry produced by dry method, and use the principle of interfacial compatibilization to prepare high-performance copolymerized starch slurry. He said that he hopes to break through the traditional high-humidity and high-sizing rate weaving model by improving the performance of starch sizing, and provide technical support for reducing energy consumption, improving the workshop environment, and promoting the development of sizing and weaving technology.
If you want to obtain high-quality, low-cost sizing effects, choosing and using a sizing machine is an important foundation. Structurally, the sizing machine consists of multiple components, the most important of which is the sizing tank. Therefore, the advancement of the sizing tank in terms of structural design, manufacturing, installation, and use, quality stability, and scientific rationality of process design determine the quality of the sizing yarn. Wang Zhenghu, consultant of Jiangyin Xiangsheng Textile Printing Machinery Manufacturing Co., Ltd., introduced “The Impact of New Sizing Tank Structure and Performance on Sizing”. Xiangsheng Company focuses on the production and manufacturing of multi-unit sizing machines. Over the past decades, the structure of other components of the sizing machine has not changed much. The structure of the sizing tank changes greatly, because the sizing tank is the key to ensuring the quality of yarn sizing. After introducing several common structural forms of pulp tanks, Wang Zhenghu believes that the three-roller type and the four-roller type are the first choices for the selection direction of the pulp tank. The slurry volume of the sizing tank must be miniaturized; the yarn must be actively transported within the sizing tank area; the shaft end seal of the sizing roller must be eliminated to adapt to high-speed operation; the pressure of high-pressure slurry must be increased and the dynamic response speed of the squeezing force adjustment must be improved. The new three-roller or four-roller pulp tank completely solves the defects and shortcomings of the traditional pulp tank. It provides a good hardware foundation for high-quality, high-efficiency, energy-saving and comprehensive cost reduction in sizing production.
The meeting also issued letters of appointment for members and consultants of the new Environmental Sizing Professional Committee, and hired Dai Jun, chairman of Jiangsu Yueda Textile Group Co., Ltd., to serve as committee director. The Sixth Environmental Protection Sizing Professional Committee also held an enlarged meeting and conducted on-site interactive Q&A.
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