Chemical fiber spinning serves as the core upstream process for high-end textile fabrics. The forming quality of POY, FOY, DTY and other chemical fiber filaments directly determines the finished product quality and yield of subsequent weaving and dyeing processes. As a high-precision continuous production process, chemical fiber spinning heavily relies on stable, clean, dry and low-fluctuation compressed air throughout the entire workflow. The air supply quality of air compressors acts as a core factor in ensuring uniform fiber forming, eliminating production defects and stabilizing batch quality consistency.

Compressed air runs through the whole production process of chemical fiber spinning. In the raw material pretreatment stage, clean compressed air is applied to the pneumatic conveying and purging dedusting of polyester chips. It realizes uniform and quantitative raw material feeding, removes surface dust and impurities, avoids foreign matter mixing into the melt from the source, and prevents defects such as thick yarns and node yarns.

In the melt spinning stage, dry air is used to regularly purge spinning cavities, spinneret orifices and air duct systems to remove melt residues and carbonized impurities. This prevents orifice blockage and airflow disorder, ensures a uniform extrusion speed of polyester melt, and produces well-formed primary fibers with consistent thickness.

Fiber drafting and network interlacing are the core air-consuming procedures that determine yarn quality. Stabilized air flow evenly jets single filaments to tightly interlace dispersed monofilaments into integrated yarn bundles, improving yarn cohesion and avoiding fuzzing and loosening. Meanwhile, it precisely controls drafting tension and draw ratio, effectively solving common industry problems including uneven yarn thickness and large shrinkage deviation, and guaranteeing consistent performance of bulk fiber products.

In addition, compressed air is also used for waste yarn removal, suction dedusting and pneumatic control of spinning equipment, supporting 24-hour continuous and stable production. The spinning process requires extremely high air source accuracy. Air pressure fluctuation, oil and water content, or excessive impurities will cause broken filaments, color difference and yarn defects, leading to mass defective products. Therefore, a well-matched air compressor system is an essential supporting device for chemical fiber enterprises to improve quality, reduce consumption and stabilize production.