Production process and process equipment for polyester crimped yarn
A technology of production process and process equipment, which is applied in the field of synthetic fibers, can solve the problems of super-bright special-shaped polyester crimped yarn without optical properties, insufficient brightness of the fabric, and poor air permeability, etc., to achieve soft and elegant fabric brightness and excellent optical properties. Good effect of characteristics, breathability
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[0019] The preferred embodiments of the present invention are described in detail below, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0020] Embodiments of the invention include:
[0021] A process equipment for the production process of polyester crimped yarn, comprising a drying device, an extruding device, a spinning box, a cooling and solidifying device and a coiling forming device, the drying device, an extruding device, a spinning box, a cooling and solidifying The device and winding forming device are connected in sequence according to the described order.
[0022] The spinning box body includes a spinneret, the hole pattern section of the nozzle hole of the spinneret is a trilobal shape, and the curves of the joints of the hole pattern of the spinneret hole and the spinning melt contact part are for a smooth transitio...
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