Production process of energy-saving and environmentally-friendly direct-spinning FDY fine-denier cationic polyester filament
A cationic polyester and production process technology, applied in the field of polyester yarn production, can solve the problems of uneven dyeing of cationic polyester, easy occurrence of filaments and broken ends, poor antistatic performance, etc., to shorten the conveying distance, improve the specificity, The effect of improving antistatic properties
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[0015] The present invention will be further described in the following specific embodiments:
[0016] An energy-saving and environmentally friendly production process of direct-spun FDY fine-denier cationic polyester filaments. The process flow is as follows: polymerization three-reactor flow→melt distributor→booster pump→melt delivery→cooler→static mixer→melt Distribution valve→spinning box→metering pump melt extrusion→spinning assembly→circular blowing drum→cooling forming→magnetic ring→oil nozzle oiling→spinning tunnel→thread guide→GR0→first heat roller→second Heat roller → third heat roller → fourth heat roller → fifth heat roller → GR1 → GR2 → main network → GR3 → thread guide → broken wire detector → winder → automatic doffing machine → overhead conveyor → Dyeing grade → quality inspection packaging → three-dimensional warehouse automatic storage, where the viscosity of the polyester melt is 0.522-0.525dl / g, and the airless zone of the air duct box is extended during the p...
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