Combined carbon fiber carbonization and pre-immersing production line and production process thereof

Abstract

The invention discloses a combined carbon fiber carbonization and pre-immersing production line and a production process thereof. The combined production line comprises a carbonization production lineand a pre-immersing production line of a double-layer structure, wherein the carbonization production line comprises a water washing device, a hot roller drying device, a sizing device and a horizontal drying device which are connected in sequence; the pre-immersing production line comprises a yarn release device, a yarn spreading device, a hot-press immersing device, a cooling device and a cutting device which are connected in sequence; and the hot-roller drying device of the carbonization production line is connected with the yarn spreading device. The production process comprises a carbonization process and a pre-immersing process, and a yarn spreading process of the pre-immersing process is directly carried out after the hot-roller drying process of the carbon fiber carbonization process. By adopting the combined production line, a part of carbon yarns produced by using a carbon fiber carbonization line are not sized, but being directly led to yarn spreading rollers of a pre-immersing line, so that procedures of sizing, drying and yarn release after the carbonization line are avoided, and the production efficiency is greatly improved. By adopting the combined production line,a production site is saved, production can be carried out conveniently, the production cost is reduced, and the product quality is greatly improved.

Description

technical field [0001] The invention relates to the technical field of carbon fiber production, in particular to a carbon fiber carbonization and prepreg combined production line and a production process thereof. Background technique [0002] Carbon fiber is an inorganic polymer fiber with a carbon content higher than 92%, and graphite fiber with a carbon content higher than 99%. Carbon fiber has high axial strength and modulus, no creep, good fatigue resistance, specific heat and electrical conductivity between non-metal and metal, small thermal expansion coefficient, good corrosion resistance, and low fiber density. Engineering materials composited with carbon fiber are superior to metal materials. Their tensile strength is 3-4 times higher than that of steel, their fatigue resistance is 2 times higher, their weight is 3-4 times lighter than steel, and their thermal expansion is 4-5 times smaller. Graphite fiber can be made to zero variation. Carbon fiber is widely used ...

AI Technical Summary

Problems solved by technology

The traditional carbon fiber carbonization production line and the prepreg production line are separated from each other, occupying a large area, high production cost, and inconvenient to change the products produced, not only low production efficiency, but also unstable product quality

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