CN212745376U

CN212745376U - Glass fiber reinforced plastic sand inclusion pipe with higher axial strength

Info

Publication number: CN212745376U
Application number: CN202021548604.7U
Authority: CN
Inventors: 何舜
Original assignee: Shanghai Fanshun New Pipeline Co ltd
Current assignee: Shanghai Fanshun New Pipeline Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-03-19
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a glass fiber reinforced plastic sand inclusion pipe with higher axial strength, which comprises an outer lining layer, wherein the inner side of the outer lining layer is provided with a first woven glass fiber cloth, the first woven glass fiber cloth consists of a first weft, a first warp and a second weft, a sand inclusion layer is arranged on the inner side of the first woven glass fiber cloth, a second woven glass fiber cloth is arranged on the inner side of the sand inclusion layer, the second woven glass fiber cloth comprises third weft, second warp and fourth weft, the axial strength of the glass fiber reinforced plastic sand inclusion pipe can be effectively increased by using the woven glass fiber cloth with increased axial strength in the production process of the glass fiber reinforced plastic sand inclusion pipe, therefore, the initial axial tensile strength KN/m of the glass fiber reinforced plastic sand inclusion pipe is improved from the initial national standard of more than or equal to 185 to 286 which is 54 percent higher than the national standard.

Description

Glass fiber reinforced plastic sand inclusion pipe with higher axial strength

Technical Field

The utility model relates to a glass steel sandpipe technical field specifically is glass steel sandpipe with higher axial strength.

Background

The glass fiber reinforced plastic sand inclusion pipe is a novel composite material prepared by taking resin as a base material, glass fiber and products thereof as reinforcing materials and quartz sand as a filling material. The high-strength high-pressure water-resistant composite pipe has the advantages of excellent corrosion resistance and waterpower, light weight, high strength, large conveying flow, convenience in installation, short construction period, low comprehensive investment and the like, and becomes the best choice for chemical industry, drainage engineering and pipeline engineering.

However, the existing glass fiber reinforced plastic sand inclusion pipe mainly has the following disadvantages:

1. the axial tensile strength of the glass fiber reinforced plastic sand inclusion pipe produced by the fixed-length winding process is provided by a glass fiber cross winding method through a vector method, so that the strength uncertainty exists.

2. The outer side of the existing glass fiber reinforced plastic sand inclusion pipe has poor wear resistance and is easy to adhere dust and dirt.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a glass fiber reinforced plastic sand inclusion pipe with higher axial strength, which solves the problem that the axial tensile strength of the glass fiber reinforced plastic sand inclusion pipe produced by the fixed-length winding process in the background technology is provided by a glass fiber cross winding method and a vector method, so that the strength uncertainty exists; the existing glass fiber reinforced plastic sand inclusion pipe has poor outer side abrasion resistance and is easy to adhere dust and dirt.

In order to achieve the above object, the utility model provides a following technical scheme: glass steel sandpipe with higher axial strength, including the outer lining layer, the outer lining layer inboard is equipped with the first glass fiber cloth of weaving, the first glass fiber cloth of weaving comprises first weft, first warp and second weft, the first glass fiber cloth inboard of weaving is equipped with double-layered sand bed, double-layered sand bed inboard is equipped with the second and weaves glass fiber cloth, glass fiber cloth is woven to the second, glass fiber cloth is woven by the second, the second is woven glass fiber cloth and is by third weft, second warp and fourth weft.

Preferably, the outer wall of the outer lining is coated with a fluorocarbon coating, the fluorocarbon coating is coated on the outer wall of the outer lining, the coating is tough, high in surface hardness, impact-resistant, buckling-resistant and good in wear resistance, shows excellent physical and mechanical properties, and has maintenance-free and self-cleaning properties, the fluorocarbon coating 101 has extremely low surface energy, surface dust can be self-cleaned through rainwater, and the fluorocarbon coating has excellent hydrophobicity (the maximum water absorption rate is less than 5%), is oil-repellent, has an extremely low friction coefficient (0.15-0.17), is free from dust and scale adhesion and is good in antifouling property.

Preferably, the first woven glass fiber cloth is wound on the outer side of the sand inclusion layer, and the first warp yarn is located between the first weft yarn and the second weft yarn.

Preferably, the first weft and the second weft are both interwoven and connected with the first warp.

Preferably, the second woven glass fiber cloth is wound on the outer side of the lining layer, and the second warp is located between the third weft and the fourth weft.

Preferably, the third weft and the fourth weft are interwoven and connected with the second warp.

The utility model provides a glass steel sand inclusion pipe with higher axial strength possesses following beneficial effect:

(1) the utility model discloses a back is accomplished in the inner liner preparation, the inner reinforcement layer that glass fiber cloth constitutes is woven by the second in the winding of the inner liner outside, make the sand inclusion layer after the inner reinforcement layer winding finishes, continue to twine the outer enhancement layer that comprises first woven glass fiber cloth after the sand inclusion layer finishes, use the woven glass fiber cloth that has the increase axial strength in process of production through glass steel sand inclusion pipe, can effectual increase glass steel sand inclusion pipe's axial strength, thereby make glass steel sand inclusion pipe initial axial tensile powerful KN/m by initial national standard more than or equal to 185 improve the back reach 286, it is 54% higher than national standard.

(2) The utility model discloses a with fluorocarbon coating on the outer wall of outer lining layer, this coating is tough, surface hardness is high, shock-resistant, anti-buckling, the wearability is good, demonstrate splendid physical mechanical properties, possess the performance of non-maintaining, automatically cleaning simultaneously, fluorocarbon coating 101 has extremely low surface energy, surface dust accessible rainwater is self-cleaning, fabulous hydrophobicity (the biggest water absorption rate is less than 5%) and repellent oil, minimum coefficient of friction (0.15-0.17), can not the viscidity scale deposit, antifouling nature is good.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is a schematic cross-sectional view of the outer liner of the present invention.

In the figure: 1. an outer liner layer; 101. a fluorocarbon coating; 2. a first woven glass fiber cloth; 201. a first weft; 202. a first warp thread; 203. a second weft; 3. a sand inclusion layer; 4. a second woven glass fiber cloth; 401. a third weft; 402. a second warp thread; 403. a fourth weft; 5. an inner liner.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: glass steel sandpipe with higher axial strength, including

outer liner

1, 1 inboard of outer liner is equipped with the first glass fiber cloth 2 of weaving, the first glass fiber cloth 2 of weaving comprises first weft 201, first warp 202 and second weft 203, the first glass fiber cloth 2 inboard of weaving is equipped with sand inclusion layer 3, the 3 inboards of sand inclusion layer are equipped with the second and weave glass fiber cloth 4, glass fiber cloth 4 is woven to the second, glass fiber cloth 4 is woven by the second by third weft 401, second warp 402 and fourth weft 403.

After the inner liner layer 5 is manufactured, an inner reinforcing layer composed of a second woven glass fiber cloth 4 is wound on the outer side of the inner liner layer 5, the second woven glass fiber cloth 4 is formed by third weft yarns 401, second warp yarns 402 and fourth weft yarns 403, the second warp yarns 402 are positioned between the third weft yarns 401 and the fourth weft yarns 403, the third weft yarns 401 and the fourth weft yarns 403 are interwoven and connected with the second warp yarns 402, a sand inclusion layer 3 is manufactured after the inner reinforcing layer is wound, the outer reinforcing layer composed of a first woven glass fiber cloth 2 is continuously wound after the sand inclusion layer 3 is finished, the first woven glass fiber cloth 2 is formed by the third weft yarns 201, the second warp yarns 202 and the fourth weft yarns 203, the first warp yarns 202 are positioned between the first weft yarns 201 and the second weft yarns 203, the first weft yarns 201 and the second weft yarns 203 are interwoven and connected with the first warp yarns 202, and the woven glass fiber cloth with increased axial strength is used in the production process through a glass fiber reinforced plastic sand inclusion pipe, the axial strength of the glass fiber reinforced plastic sand inclusion pipe can be effectively increased, so that the initial axial tensile strength KN/m of the glass fiber reinforced plastic sand inclusion pipe is improved from the initial national standard of more than or equal to 185 to 286 which is 54 percent higher than the national standard.

The outer wall of the outer lining layer 1 is coated with the fluorocarbon coating 101, the fluorocarbon coating 101 is coated on the outer wall of the outer lining layer 1, the coating is tough, high in surface hardness, impact-resistant, buckling-resistant and good in wear resistance, shows excellent physical and mechanical properties, and simultaneously has maintenance-free and self-cleaning properties, the fluorocarbon coating 101 has extremely low surface energy, surface dust can be self-cleaned through rainwater, and the fluorocarbon coating has excellent hydrophobicity (the maximum water absorption rate is less than 5%), is oil-repellent, has an extremely low friction coefficient (0.15-0.17), cannot be adhered with dust and scale, and is good in antifouling property.

The first woven glass fiber cloth 2 is wound on the outer side of the sand inclusion layer 3, and the first warp 202 is located between the first weft 201 and the second weft 203.

The first weft 201 and the second weft 203 are connected with the first warp 202 in an interweaving way.

The second woven glass fiber cloth 4 is wound around the outside of the inner liner 5, and the second warp 402 is located between the third weft 401 and the fourth weft 403.

Preferably, the third weft 401 and the fourth weft 403 are interwoven with the second warp 402.

It should be noted that, in operation, after the glass fiber reinforced plastic sand inclusion pipe with high axial strength is manufactured through the inner liner layer 5, an inner reinforcement layer composed of a second woven glass fiber cloth 4 is wound on the outer side of the inner liner layer 5, the second woven glass fiber cloth 4 is composed of a third weft 401, a second warp 402 and a fourth weft 403, the second warp 402 is located between the third weft 401 and the fourth weft 403, and the third weft 401 and the fourth weft 403 are all interlaced and connected with the second warp 402, when the inner reinforcement layer is wound, a sand inclusion layer 3 is manufactured, after the sand inclusion layer 3 is finished, an outer reinforcement layer composed of a first woven glass fiber cloth 2 is continuously wound, and the first woven glass fiber cloth 2 is composed of a third weft 201, a second warp 202 and a fourth weft 203, and the first warp 202 is located between the first weft 201 and the second weft 203, and the first weft 201 and the second weft 203 are both interlaced and connected with the first warp 202, the glass fiber reinforced plastic sand inclusion pipe can effectively increase the axial strength by using the woven glass fiber cloth with the increased axial strength in the production process, so that the initial axial tensile strength KN/m of the glass fiber reinforced plastic sand inclusion pipe is improved from the initial national standard of more than or equal to 185 to 286 which is higher than the national standard of 54 percent, the outer wall of the outer lining layer 1 is coated with the fluorocarbon coating 101, the fluorocarbon coating 101 is coated on the outer wall of the outer lining layer 1, the coating is tough, has high surface hardness, impact resistance, buckling resistance and good wear resistance, shows excellent physical and mechanical properties, the fluorocarbon coating 101 has extremely low surface energy, surface dust can be self-cleaned by rainwater, excellent hydrophobicity (the maximum water absorption is less than 5%), oil repellency, extremely low friction coefficient (0.15-0.17), no dust adhesion and scaling, and good antifouling property.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Glass steel sand inclusion pipe with higher axial strength, its characterized in that: including outer lining layer (1), outer lining layer (1) inboard is equipped with first woven glass fiber cloth (2), first woven glass fiber cloth (2) comprises first weft (201), first warp (202) and second weft (203), first woven glass fiber cloth (2) inboard is equipped with sand inclusion layer (3), sand inclusion layer (3) inboard is equipped with the second and weaves glass fiber cloth (4), glass fiber cloth (4) are woven to the second, second woven glass fiber cloth (4) is by third weft (401), second warp (402) and fourth weft (403).

2. The glass fiber reinforced plastic sand inclusion pipe with higher axial strength as claimed in claim 1, wherein: the outer wall of the outer lining layer (1) is coated with a fluorocarbon coating (101).

3. The glass fiber reinforced plastic sand inclusion pipe with higher axial strength as claimed in claim 1, wherein: the first woven glass fiber cloth (2) is wound on the outer side of the sand inclusion layer (3), and the first warp (202) is located between the first weft (201) and the second weft (203).

4. The glass fiber reinforced plastic sand inclusion pipe with higher axial strength as claimed in claim 1, wherein: the first weft (201) and the second weft (203) are interwoven with the first warp (202).

5. The glass fiber reinforced plastic sand inclusion pipe with higher axial strength as claimed in claim 1, wherein: the second woven glass fiber cloth (4) is wound on the outer side of the lining layer (5), and the second warp (402) is located between the third weft (401) and the fourth weft (403).

6. The glass fiber reinforced plastic sand inclusion pipe with higher axial strength as claimed in claim 1, wherein: the third weft (401) and the fourth weft (403) are interwoven and connected with the second warp (402).