Processing method of composite filament for netting gear manufacture

Abstract

A processing method of composite filament for netting gear manufacture. The invention employs a mixer, a double-screw extruder, a single-screw extruder, a secondary drafting electric heating draw machine, a winding machine using a torque motor, a filament splitting machine, a spinning grade drying HDPE resin, nanometer drying SiO2 and a turpentine assistant for spinning. The processing method is characterized by comprising the steps of: mixing the spinning grade drying HDPE resin, the nanometer drying SiO2 and the turpentine assistant for spinning; stirring the mixture with a mixer to a uniform state; granulating the thoroughly mixed mixture by the twin-screw extruder to obtain the blend pellets; subjecting the blend pellets to melt extrusion by the single-screw extruder; subjecting the primary composite filament obtained from melt extrusion to cooling and a preliminary drafting; subjecting the composite filament from preliminary drafting to two times of hot drafting, then high-pressure airflow oil removal and fast cooling; winding the composite filament by the winding machine using torque motor; and splitting the composite filament by the filament splitting machine into composite filament for energy-saving and drag-reducing netting gear manufacture.

Description

technical field [0001] The invention relates to a processing method of a composite wire used for making agricultural scientific fishing and fishery engineering net gear. Background technique [0002] Fishing nets and fishery engineering nets in the fields of agricultural science fishing and fishery engineering technology have made important contributions to the provision of important aquatic proteins for humans; the physical and mechanical properties of matrix fiber materials for nets (such as wear resistance, breaking strength and Extensibility, etc.) has a very important influence on the energy consumption and water resistance in net gear operations. Net gear made of wear-resistant, high-strength and suitable matrix fiber materials can be used in fishing and fishery engineering production. Energy saving and drag reduction in operations, promote energy saving and emission reduction in fishery, develop low-carbon fishery, and benefit mankind. Ordinary polyethylene monofilam...

AI Technical Summary

Problems solved by technology

In the field of prior art, ordinary PE monofilaments for making nets use high-density polyethylene (HDPE) resin as raw material, the spinning heating medium is water, and the traditional melt spinning process is adopted, resulting in low wear resistance of ordinary PE monofilaments. , small breaking strength and poor adaptability

Due to the low breaking strength of ordinary PE monofilament, the downstream rope net products and net gear products of ordinary PE monofilament are easy to be damaged in fishing and fishery engineering production, which will eventually cause "net breaking and fish escape" and "fish escape" in net gear operations. Fishing accidents such as broken ropes and lost nets have caused heavy losses to net gear users and further affected social harmony and stability. Too small, poor adaptability, difficult to meet the conditions of safe operation of net gear in the field of modern fishing and fishery engineering technology

In order to meet the development needs of the modernization of fishery equipment, the existing technical field urgently needs a processing method for composite wires with good wear resistance, high breaking strength, and good adaptability for energy-saving and drag-reducing netting, so as to prepare composite wires with good wear resistance, Composite wire for making energy-saving and drag-reducing net gear with high breaking strength and good adaptability, but there is no composite yarn processing technology for energy-saving and drag-reducing net gear in the prior art. Composite wire processing method has become an urgent technical problem to be solved in the existing technical field