Method and system for production of structural component with waste composite material

Abstract

The invention relates to a method and system for production of a structural component with a waste composite material. The method includes: (1) crushing the waste composite material and separating resin glass fiber powder and light material powder with a density less than that of the resin glass fiber powder, then activating the resin glass fiber powder, and performing mixing with resin, short glass fiber, an initiator, a mould release agent and filler to prepare a bulk mixture; (2) depositing the bulk mixture on the surface of a polyethylene film to form a material film, subjecting the material film and chopped glass fiber filaments to rolling to form a sandwich mixture with a material film-chopped glass fiber filament-material film structure, and further performing rolling to form a flake mixture; and (3) conducting compression molding to prepare the flake mixture into the structural component. Compared with the prior art, the system provided by the invention has the advantages of ingenious design, simple structure and high automation degree, improves the material utilization, and provides a new idea for reutilization of waste composite materials.

Description

technical field [0001] The invention relates to the technical field of recycling composite materials, in particular to a method and system for producing structural parts using waste composite materials. Background technique [0002] With the continuous improvement of the mechanical properties of composite materials, many large parts are also made of composite materials, such as large wind power blades, hulls, etc. The recycling of these large composite parts after damage or expiration of life has long troubled the majority of technical personnel. problem. [0003] Wind power blades are mainly made of thermosetting materials and fiber materials. Generally, large wind power blades have a blade length of more than 40m and a maximum width of more than 2m, which is huge. When wind power blades reach the end of their service life, they need to be processed. At present, there is no mature processing method, and they are all cut into relatively small blade pieces by manual cutting ...

AI Technical Summary

Problems solved by technology

When wind power blades reach the end of their service life, they need to be processed. At present, there is no mature processing method, and they are all cut into relatively small blade pieces by manual cutting (but still relatively large, with a maximum size of no more than two meters. ) for reuse or disposal

In practice, the disposal method is usually adopted, and the secondary utilization is limited, resulting in waste of materials and low utilization rate of materials

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