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Views: 0 Author: Site Editor Publish Time: 2021-09-03 Origin: Site
(1) Develop towards large-scale tank kiln production lines, and low-end, small-capacity production lines will face gradual elimination
Glass fiber mainly has two production processes: pool kiln drawing method and crucible drawing method. Crucible wire drawing method has low requirements on production equipment and production technology, low investment, and flexible adjustment of production scale. Therefore, small glass fiber enterprises often use this method. However, this method needs to be formed twice, the procedure is complicated, the energy consumption and pollution of the production process are large, and the product performance and quality are poor, so it has been basically eliminated. The pool kiln drawing method calculates the ratio of raw materials according to the chemical composition of the glass fiber product to be produced, and then puts the raw material fine powder into the glass kiln according to the ratio, and melts it into molten glass at high temperature, and then draws it by the high-speed running wire drawing machine. Coating with sizing agent, the glass liquid flowing out of the perforated slats in the front furnace passage of the tank kiln is made into glass fiber precursors, and then dried, decomposed, winding, chopped, twisted, weaving and other processes to form a Various structures and properties of glass fiber and glass fiber products.
(2) Downstream application areas continue to expand, and products are rapidly iteratively upgraded
Material application innovation is an important link in technological innovation and transformational development of traditional industries. As an important part of the strategic new material industry and advanced substitute materials, fiber composite materials have been expanding their application fields and products rapidly iteratively upgraded. Glass fiber and its products not only belong to the new material industry, but can also provide upstream raw materials for the new generation of information technology industry, high-end equipment manufacturing industry, new energy automobile industry, new energy industry, and energy conservation and environmental protection industry. With the characteristics of high mechanical strength, good insulation, good corrosion resistance, light weight and high strength, glass fiber has been continuously obtained in the fields of rail transit, automobile lightweight, wind power blades, 5G communications, energy-saving buildings, high-pressure pipe tanks, thermal insulation, etc. New application.
(3) The production process technology is continuously optimized, and indicators such as unit product energy consumption and missing platinum loss rate have been significantly improved
In recent years, companies in the industry have continuously made technological innovations in the design of large-scale tank kilns with high melting rates, logistics automation and intelligence, waste heat utilization, large leakage plate development, sizing agent modification and recovery, glass raw material detection and analysis, and formulation development. And integration to promote the continuous improvement and upgrading of domestic glass fiber tank kiln technology. The continuous optimization of the above production technology has led to the continuous increase of the upper limit of the capacity of a single kiln, and the unit product energy consumption and the loss rate of platinum loss have been significantly reduced. The number of production operators in a single kiln has been significantly reduced, which has greatly improved the production efficiency and Product quality reduces the unit cost of glass fiber.
(4) Breakthrough in large-scale, low-cost production technology of carbon fiber and other reinforced fiber materials
Glass fiber is currently the field of high-performance fiber with large-scale, low-cost, and most mature production technology. Through continuous technological innovation, enterprises in the industry have made the production capacity of a single tank kiln repeatedly record highs. Both carbon fiber and glass fiber are inorganic non-metallic materials in new materials, and both can be used as reinforcement materials in composite materials. Compared with glass fiber, carbon fiber has the characteristics of low density, high strength and high modulus. Carbon fiber products are customized products with high directivity, and complex stress calculations are required during processing. Therefore, carbon fiber is generally used in product fields that require extremely high strength modulus, such as large wind turbine blades, rockets, satellites, missiles, and fighter jets. Cutting-edge weapons and equipment such as ships, clubs, fishing rods, tennis rackets, badminton rackets, bicycles, ski poles, snowboards, windsurfing masts, sailing hulls and other sporting goods.
With the enlargement of wind power blades and the development of the ocean, it is required to further realize the lightweight, high-strength, high-rigidity, and impact resistance of the blades, and the proportion of carbon fiber use will show an expanding trend.
Carbon fiber needs to break through the scale and low cost, and carbon fiber advanced manufacturing technology and equipment will be used in a large number of manufacturing industries. At present, the price of carbon fiber is much higher than that of glass fiber, and there is a technical bottleneck for large-scale production, so it cannot replace the position of glass fiber in inorganic non-metallic reinforced materials in the short term.
In terms of insulation and wave permeability, the properties of glass fiber and carbon fiber are mutually exclusive. Glass fiber has good insulation performance, non-conductivity, and good wave permeability; carbon fiber has good conductivity and good electromagnetic shielding. Therefore, in the field of composite materials that require insulation and wave-transmitting properties, carbon fiber cannot replace glass fiber.
Hebei Yuniu Fiberglass Manufacturing Company Limited is a fiberglass material manufacturer with over 10-year experience, 7- year exporting experience.
We are manufacturer of fiberglass raw materials, Such asfiberglass roving, fiberglass yarn, fiberglass chopped strand mat, fiberglass chopped strands, fiberglass black mat, fiberglass woven roving, fiberglass fabric, fiberglass cloth..And so on.
If any needs, please contact us freely.
We will do our best to help and support you.
