Galvanized pipe-based glass fiber reinforced plastic tree-grain pipe and preparation method thereof

A technology of galvanized pipe and FRP, which is applied to chemical instruments and methods, glass/slag layered products, tubular articles, etc., can solve the problems affecting the surface quality of products, slow metal flow in the middle, and fast metal deformation at the edge, etc., to achieve Ensure dimensional uniformity and surface quality, reduce deformation resistance, and reduce rolling force

Pending Publication Date: 2022-04-22
牧童集团(广东)实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When the ratio of the cross-sectional width to thickness of the composite bar is greater than or equal to 5, the material cross-section is large, the wall thickness is small, and the use rigidity is low. In order to improve the rigidity of this type of specification, carbon steel rods are generally used as the core material in composite materials. , the ratio of cross-sectional width to thickness is gr

Method used

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  • Galvanized pipe-based glass fiber reinforced plastic tree-grain pipe and preparation method thereof
  • Galvanized pipe-based glass fiber reinforced plastic tree-grain pipe and preparation method thereof
  • Galvanized pipe-based glass fiber reinforced plastic tree-grain pipe and preparation method thereof

Examples

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Example Embodiment

[0034] Example 1:

[0035] A glass fiber reinforced plastic tree-grained pipe based on a galvanized pipe, comprising a galvanized pipe 1, an inner reinforcing layer 2, a tree-grained pipe reinforcing layer 3, and a tree-grained layer 4 sequentially covered from the inside to the outside; the galvanized pipe 1, the inner The pipeline structure of the layered structure composed of the reinforcement layer 2, the dendritic pipe reinforcement layer 3 and the dendritic layer 4.

[0036] As a preferred embodiment, the inner reinforcing layer 2 is prepared by adding chopped glass fibers to unsaturated polyester resin; the length of the chopped glass fibers is 25±5 mm.

[0037] As a preferred embodiment, the tree grain reinforcement layer 3 is made of glass fiber cloth.

[0038] As a preferred embodiment, the tree layer 4 is prepared from unsaturated polyester resin.

[0039] The preparation method of the glass fiber reinforced plastic tree pipe based on the galvanized pipe described...

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Abstract

The invention discloses a glass fiber reinforced plastic tree-grain pipe based on a galvanized pipe and a preparation method of the glass fiber reinforced plastic tree-grain pipe. The glass fiber reinforced plastic tree-grain pipe comprises a galvanized pipe, an inner reinforcing layer, a tree-grain pipe reinforcing layer and a tree-grain layer which are sequentially wrapped from inside to outside. The galvanized pipe, the inner reinforcing layer, the tree-grain pipe reinforcing layer and the tree-grain layer form a layered pipeline structure. While the manufacturing efficiency of the tree-grain pipe is improved, the density during forming of the glass fiber reinforced plastic tree grains is improved, and the size accuracy of the manufactured tree-grain pipe is improved.

Description

technical field [0001] The invention relates to the technical field of composite pipes; in particular, it relates to a galvanized steel pipe-based fiberglass tree pattern pipe and a preparation method thereof. Background technique [0002] Multilayer composite materials are mostly used in metallurgical electrodes, electrolytic plating industry and electrochemical industry, as well as some materials that need to be conductive but also corrosion-resistant. When the ratio of the cross-sectional width to thickness of the composite bar is greater than or equal to 5, the material cross-section is large, the wall thickness is small, and the use rigidity is low. In order to improve the rigidity of this type of specification, carbon steel rods are generally used as the core material in composite materials. , the ratio of cross-sectional width to thickness is greater than or equal to 5 in the hot rolling deformation of multi-layer metal, due to the edge effect and the principle of lea...

Claims

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Application Information

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IPC IPC(8): B32B1/08B32B17/02B32B15/18B32B15/14B32B33/00C09D167/06C09D7/61
CPCB32B1/08B32B5/02B32B15/18B32B15/14B32B33/00C09D167/06C09D7/61C09D7/70B32B2262/101B32B2255/26B32B2255/02B32B2597/00C08K7/14C08K3/34
Inventor 易爱德
Owner 牧童集团(广东)实业有限公司
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