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The manufacturing method of regenerated filament has become a hot topic in today's society with the continuous progress of science and technology. The manufacturing method of regenerated filament has attracted widespread attention in the field of raw materials for chemical production. Regenerated filament not only has the advantages of environmental protection and sustainability, but also can improve resource utilization and reduce production costs. This article will provide a detailed introduction to the manufacturing method, process flow, equipment selection, quality control, as well as environmental and safety measures of recycled filament

2、 The manufacturing method of regenerated filament 

1 Raw material selection and processing 

The manufacturing of recycled filament first requires the selection of suitable raw materials. The commonly used raw materials include waste textiles, waste silk, fallen silk, etc. These raw materials need to be cleaned, dried, classified, and other treatments to ensure their quality and purity

2. Melt extrusion 

Add the processed raw material to the melt extruder, and through the action of high temperature and high pressure, melt the raw material and form a filamentous shape. During the melt extrusion process, attention should be paid to controlling parameters such as temperature and pressure to ensure the quality and yield of the filament

3. Stretching and shaping 

The wire after melt extrusion needs to undergo stretching and shaping treatment to improve its strength and toughness. During the stretching process, it is necessary to control the stretching ratio and stretching speed to ensure the uniformity and consistency of the filament. The shaping treatment can make the structure and performance of the silk more stable

4. Winding and Packaging: The silk that has undergone stretching and shaping treatment needs to be wound and packaged for storage and transportation. During the winding process, attention should be paid to controlling the winding tension and speed to ensure the quality and efficiency of the silk winding

3、 Process Flow Chart 

The manufacturing process flow chart of regenerated filament is as follows: 

Raw material selection and treatment → Melting extrusion → Stretching and shaping → Winding and packaging 

4. Equipment selection 

In the manufacturing process of regenerated filament, the equipment required includes melting extruder, stretching machine, shaping machine, winding machine, etc. When selecting equipment, it is necessary to comprehensively consider factors such as production scale, product quality, and cost. Meanwhile, maintenance and upkeep of the equipment are also crucial to ensure its normal operation and lifespan

5、 To ensure the quality of recycled filament, it is necessary to establish a comprehensive quality control system. This includes quality control of raw materials, quality monitoring during the production process, and quality testing of finished products. By conducting regular quality inspections and data analysis, problems are identified and resolved in a timely manner, continuously improving product quality

6、 The manufacturing process of recycled filament requires attention to environmental and safety measures. Firstly, it is necessary to ensure that the waste generated during the production process is properly treated and recycled to reduce its impact on the environment. Secondly, it is necessary to strengthen equipment maintenance and operational standards to prevent safety accidents from occurring. In addition, it is necessary to regularly provide environmental and safety training to employees to enhance their environmental and safety awareness

7、 Conclusion: The manufacturing method of regenerated filament has the advantages of environmental protection and sustainability, which can improve resource utilization and reduce production costs. By selecting and processing appropriate raw materials, melt extrusion, stretching and shaping, as well as winding and packaging, high-quality regenerated filament can be produced. In the actual production process, attention should be paid to details such as equipment selection, quality control, and environmental and safety measures to ensure product quality and smooth production. With the increasing attention of society to sustainable development and environmental protection, the manufacturing method of recycled filament will be more widely applied and promoted in the future.