Six textile equipment projects were nominated for the 2019 National Science and Technology Award

On March 26, the National Science and Technology Awards Office announced the 2019 National Natural Science Award, the National Technology Invention Award, and the National Science and Technology Progress Award nomination project. This year, 295 national natural science awards projects nominated by relevant units and experts were received, 290 qualified for formal examination; 239 national technical invention award (general) projects were received, and 234 were qualified for formal examination; There were 784 Progress Award (General) projects and 767 qualified forms.

Among them, there are 6 textile equipment related projects that have passed the formal examination.

National Technology Invention Award

Project Name: Key technologies and industrial applications of carbon fiber multi-layer three-dimensional fabric weaving equipment and weaving

The project invented a woven equipment and weaving technology that can weave 20,000 and 30 layers of carbon fiber three-dimensional fabrics, achieving mechanization, automation and mass production. It mainly includes: 1. Invented the delivery system to solve the damage problem of continuous super-large capacity continuous flattening and carbon fiber continuous weaving, ensuring that the warp stability of different layers is controlled within 3%; 2. Invented the large inertia parallel The beating system and the pre-wefting technology realize the multi-layer fabric beating function, reduce the fiber wear, improve the high inertia beating stability and ensure the high quality of the fabric; 3. Invent the 3 degrees of freedom bidirectional staggered parallel The weft insertion technology and the flawless retreating yarn device realized the automatic weaving of the fabric with 30-layer angular interlocking and warp-reinforcing structure; 4. Developed high-performance fiber multi-layer fabric, variable-section fabric weaving technology, and developed the overall fabric skeleton. A method for preparing a special composite preform is invented.

The project has authorized 16 invention patents and 46 utility model patents. The overall technology of the project has reached the international advanced level. The achievements of this project have significantly improved the level of equipment technology in China and broke the foreign blockade. It has been widely used in aerospace, wind power, textile machinery and other fields, improving the international competitiveness of products, and contributing to technological progress and industrial upgrading of China's textile industry. Important demonstration and promotion.

Project Name: A new generation of networked intelligent air jet loom

Air jet looms are the mainstream models of shuttleless looms in the textile industry due to their high speed, high efficiency and low energy consumption. At present, high-end air jet looms mainly rely on imports . The project invented the air-jet woven electrical control system based on EtherMAC technology, realized the modularization of the control system, and equipped with remote monitoring function; invented the device to improve the adaptability of raw materials and fabric varieties; innovatively developed digital weft detection technology and hardware, Improve stability and reliability; research and design a dynamic balance high-torque beating mechanism to achieve high-speed weaving; developed a weaving process expert system to achieve intelligent weaving production. He has obtained 3 invention patents, 13 utility model patents and 2 appearance patents.

The comprehensive performance of the loom developed by the project has reached the international advanced level, and the new electric control system invented has reached the international leading level of similar products. The machine has good high-speed stability, reliability, production efficiency is greatly improved, energy consumption is reduced, and the price is only about 70% of foreign imported looms. At present, it has realized large-scale promotion and application, and achieved sales of 3,630 units in 2015-2017, with significant economic and social benefits. The successful development of the project has replaced imported high-end weaving equipment, improved international competitiveness and promoted the transformation of the domestic jet weaving industry.

Project Name: Key Technology and Industrialization of Multi-Axis Warp Knitting Technology Equipment and Composite Materials Preparation

The project solved the key technology of the “fiber weaving-composite molding-processing application” industry chain. Developed high-performance fiber reinforced materials core technology equipment such as carbon fiber fiber warping warping machine, carbon fiber multi-axial warp knitting machine, glass fiber high-speed multi-axial warp knitting machine with independent intellectual property rights ; overcome domestic carbon fiber, glass fiber and other high Multi-axial weaving technology of performance fiber; construction of carbon fiber reinforced thermoplastic woven structural composite material performance prediction, structural optimization design method and special mold; etc.; development of multi-axial warp-knitted reinforcement thermoplastic/thermosetting resin-based composite rapid prototyping The technical and automated unit equipment has greatly improved production efficiency.

The project has been authorized to have more than 40 invention patents, 2 national standards, 52 multi-axial warp knitting material production lines and 2 composite material production lines, and achieved industrialization and achieved remarkable economic and social benefits. . The overall technology of the project has reached the international advanced level, meeting the major needs of China's aerospace, wind power blades, automobiles and other fields, and has broad development prospects.

Project Name: Complete technology and equipment for the production of fiber from seaweed resources and its industrialization

The project invented the alginate molecular cross-linking technology, which solved the problem that seaweed fiber is easily soluble in salt water and detergent; innovatively developed fiber gel dewatering and fiberizing technology, which reduced the amount of dehydrating agent used in fiber production and improved the safety of production. Developed a variety of functionalized seaweed fiber preparation processes, significantly increasing the variety of seaweed fiber products; through integration and innovation in China for the first time to complete a complete set of technology and equipment from alginate extraction, fiber forming, the project was authorized to China's invention patents 49 The overall technology has reached the international advanced level. Good economic and social benefits.

The project has built the world's first 800 tons/year textile and garment and medical seaweed fiber flexible production line, which can produce four series of more than 20 seaweed fiber varieties, and the products are applied in the fields of textile and garment, biomedicine and health care. It broke the situation that foreign seaweed fiber products were used alone as medical dressings.

Project Name: Key Technology and Equipment R&D of Low-tension Flat Continuous Washing for Printed Knitted Fabrics

The innovation of this project puts forward a new idea of ​​low-tension flat-width continuous washing of printed knitwear. Independently developed a new type of fixing agent, developed a whole set of washing process, developed a number of unit devices such as automatic super-feed tension control system, and achieved low-tension and high-efficiency washing of printed fabrics through the integration of additives, processes and equipment. And through the configuration of wastewater recycling purification treatment, automatic wastewater purification treatment and reuse.

The product quality of this project is obviously superior to the traditional technology, and compared with the traditional process, the water saving and energy saving effect is remarkable. There are 6 authorized patents, including 3 invention patents and 3 utility model patents. The project has high technical maturity and good generalization, and plays an important role in the demonstration of “high quality, low emission” green production and processing of knitted fabrics.

Project Name: High-performance industrial silk energy-saving and twisting preparation technology and equipment and industrialization

The project has broken through the technical difficulties of high-performance industrial wire, which is difficult to achieve high-quality twisting and winding, high energy consumption and low efficiency. Through the theoretical innovation of the twisting preparation process and equipment design and manufacturing, the tire tire cord has been successfully developed. The electronic cloth glass fiber yarn and the high-grade carpet wire high-efficiency energy-saving and twisting technology and equipment have realized industrial production. The products not only cover the domestic high-end industrial silk product preparation market, but also exported to the United States, Brazil, Spain, South Korea and other countries, and achieved good economy. Social benefits.

The project's many technologies are the first of its kind at home and abroad, and the overall technology of the project has reached the international advanced level, and has obtained a series of domestic and international authorized invention patents. The project plays an important role in upgrading the level and international status of domestic high-end textile equipment and promoting industrial transformation and upgrading .