CN216242749U

CN216242749U - Fiber reinforced plastic pipeline for power plant desulfurization

Info

Publication number: CN216242749U
Application number: CN202122937429.1U
Authority: CN
Inventors: 赵龙; 焦娇; 赵东阳; 赵钰菡
Original assignee: Hebei Shengrun Frp Co ltd
Current assignee: Hebei Shengrun Frp Co ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2022-04-08
Anticipated expiration: 2031-11-27

Abstract

The utility model belongs to the technical field of glass fiber reinforced plastic pipelines, and discloses a glass fiber reinforced plastic pipeline for power plant desulfurization, which comprises an inner pipe, wherein a first glass fiber braided layer is fixed on the outer wall of the inner pipe, a sand inclusion layer is fixed on the outer wall of the first glass fiber braided layer, a second glass fiber braided layer is fixed on the outer wall of the sand inclusion layer, a buffer layer is fixed on the outer wall of the second glass fiber braided layer, and arc-shaped elastic sheets with outward openings are fixed in the buffer layer in an annular array mode. The three are mutually matched to avoid the sinking and cracking of the glass fiber reinforced plastic pipeline when the glass fiber reinforced plastic pipeline is pressed.

Description

Fiber reinforced plastic pipeline for power plant desulfurization

Technical Field

The utility model belongs to the technical field of glass fiber reinforced plastic pipelines, and particularly relates to a glass fiber reinforced plastic pipeline for power plant desulfurization.

Background

The FRP pipe is a lightweight, high-strength and corrosion-resistant nonmetal pipe for power plant desulfurization, fiberglass with resin matrix weight is wound on a rotating mandrel layer by layer according to the process requirement, quartz sand is uniformly paved among the fibers in a long distance to serve as a sand inclusion layer, the pipe wall structure is reasonable and advanced, the function of materials can be fully exerted, the stability and the reliability of products can be ensured, the FRP pipe is widely applied to the industries of petroleum, chemical industry, drainage and the like, and the FRP pipe is also commonly used in the power plant desulfurization section.

But present current FRP pipe way has certain defect, and traditional FRP pipe way's compressive property is relatively poor, and FRP pipe way is sunken fracture damage easily during the pressurized, and in addition, traditional FRP pipe way's tensile strength is relatively poor, pulls when laying the pipeline and causes FRP pipe way to split the damage easily.

Disclosure of Invention

The utility model aims to provide a glass fiber reinforced plastic pipeline for power plant desulfurization, which solves the problems that the traditional glass fiber reinforced plastic pipeline provided by the background technology has poor compression resistance, is easy to dent, crack and damage when being pressed, has poor tensile property, and is easy to crack and damage when being dragged during pipeline laying.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a FRP pipe way is used in power plant's desulfurization, includes the inner tube, the exterior wall of inner tube is fixed with first glass fiber weaving layer, the exterior wall of first glass fiber weaving layer is fixed with sand inclusion layer, sand inclusion layer's exterior wall is fixed with second glass fiber weaving layer, the exterior wall of second glass fiber weaving layer is fixed with the buffer layer, the inside of buffer layer is that the annular array is fixed with the arc flexure strip that has the opening outwards, arc flexure strip has the second elastic column towards one side symmetric connection of second glass fiber weaving layer, the one end that arc flexure strip was kept away from to the second elastic column contacts with second glass fiber weaving layer, the intermediate position department that second elastic column one side was kept away from to the arc flexure strip is connected with first elastic column.

Preferably, the inside of sand inclusion layer is the annular array and is fixed with the strengthening rib, be equipped with the wire net layer between sand inclusion layer and the second glass fiber weaving layer.

Preferably, a composite layer is fixed on the outer surface wall of the buffer layer, and the composite layer is formed by compounding a fireproof layer and a waterproof layer.

Preferably, the outer surface wall of the composite layer is fixed with an armor layer.

Preferably, an outer anticorrosive layer is fixed on the outer surface wall of the armor layer.

Preferably, an inner anti-corrosion layer is fixed on the inner surface wall of the inner pipe.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, by additionally arranging the arc-shaped elastic sheet, the first elastic column, the second elastic column and the like, when the pipeline is pressed, two ends of the arc-shaped elastic sheet with outward openings are pressed, so that the second elastic column is extruded, the second elastic column and the arc-shaped elastic sheet jointly generate outward elastic force, the pressure can be effectively buffered, in addition, after the first elastic column is pressed, outward elastic force is also generated, and the first elastic column, the second elastic column and the arc-shaped elastic sheet are mutually matched, so that the sinking and the breakage of the glass steel pipeline can be effectively avoided when the glass steel pipeline is pressed.

(2) According to the utility model, the reinforcing ribs and the steel wire mesh layer are additionally arranged, the reinforcing ribs penetrate through the sand inclusion layer, the tensile resistance of the steel wire mesh layer can be improved from the inside of the sand inclusion layer, and the outer wall of the steel wire mesh layer is embedded in the sand inclusion layer and the second glass fiber woven layer, so that the connection stability between the two layers can be improved, the tensile strength of the whole pipeline can be further increased, and the breakage and damage of the glass fiber reinforced plastic pipeline caused by dragging during pipeline laying can be avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a second woven glass fiber layer in accordance with the present invention;

in the figure: 1. an inner tube; 2. an inner corrosion resistant layer; 3. a first glass fiber woven layer; 4. a sand inclusion layer; 5. a second glass fiber woven layer; 6. a buffer layer; 7. an arc-shaped elastic sheet; 8. a first elastic column; 9. a second elastic column; 10. compounding layers; 11. an armor layer; 12. an outer corrosion resistant layer; 13. reinforcing ribs; 14. and a steel wire mesh layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions: a fiber reinforced plastic pipeline for power plant desulfurization comprises an inner pipe 1, wherein a first glass fiber woven layer 3 is fixed on the outer wall of the inner pipe 1, a sand inclusion layer 4 is fixed on the outer wall of the first glass fiber woven layer 3, a second glass fiber woven layer 5 is fixed on the outer wall of the sand inclusion layer 4, a buffer layer 6 is fixed on the outer wall of the second glass fiber woven layer 5, an arc-shaped elastic sheet 7 with an outward opening is fixed inside the buffer layer 6 in an annular array mode, a second elastic column 9 is symmetrically connected to one side, facing the second glass fiber woven layer 5, of the arc-shaped elastic sheet 7, one end, away from the arc-shaped elastic sheet 7, of the second elastic column 9 is in contact with the second glass fiber woven layer 5, a first elastic column 8 is connected to the middle position, away from one side of the second elastic column 9, of the arc-shaped elastic sheet 7 with the outward opening is pressed, and the second elastic column 9 is further pressed, the second elastic column 9 and the arc-shaped elastic sheet 7 jointly generate outward elastic force, so that pressure can be effectively buffered, in addition, after the first elastic column is pressed, outward elastic force is also generated, and the three are mutually matched to effectively avoid the concave fracture of the glass steel pipeline when the glass steel pipeline is pressed.

Further, the inside of sand inclusion layer 4 is that annular array is fixed with strengthening rib 13, be equipped with steel wire gauze 14 between sand inclusion layer 4 and the second glass fiber weaving layer 5, strengthening rib 13 runs through sand inclusion layer 4, can follow the inside its tensile resistance that improves of sand inclusion layer 4, steel wire gauze 14 evenly lays the outer wall at sand inclusion layer 4, wherein, steel wire gauze 14's outer wall inlays the inside of establishing at sand inclusion layer 4 and second glass fiber weaving layer 5, on the one hand can improve the stability of connecting between two-layer, on the other hand can further increase the holistic tensile strength of pipeline, drag when avoiding laying the pipeline and cause the FRP pipe way to split the damage.

Further, the composite layer 10 is fixed on the outer surface wall of the buffer layer 6, the composite layer 10 is formed by compounding a fireproof layer and a waterproof layer, and the fireproof and waterproof performance of the pipeline can be effectively improved by the composite layer 10 consisting of the fireproof layer and the waterproof layer.

Further, an armor layer 11 is fixed on the outer surface wall of the composite layer 10, an outer anticorrosive layer 12 is fixed on the outer surface wall of the armor layer 11, an inner anticorrosive layer 2 is fixed on the inner surface wall of the inner pipe 1, the armor layer 11 can improve the anti-biting performance of the pipeline, rat and ant biting can be avoided, the inner anticorrosive layer 2 and the outer anticorrosive layer 12 can effectively resist acid and alkali, and corrosion and damage of the pipeline are avoided.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a desulfurization of power plant is with FRP pipe way which characterized in that: comprises an inner tube (1), a first glass fiber braided layer (3) is fixed on the outer surface wall of the inner tube (1), a sand inclusion layer (4) is fixed on the outer surface wall of the first glass fiber braided layer (3), a second glass fiber braided layer (5) is fixed on the outer surface wall of the sand inclusion layer (4), a buffer layer (6) is fixed on the outer surface wall of the second glass fiber braided layer (5), arc-shaped elastic sheets (7) with outward openings are fixed in the buffer layer (6) in an annular array, one side of the arc-shaped elastic sheet (7) facing the second glass fiber woven layer (5) is symmetrically connected with a second elastic column (9), one end of the second elastic column (9) far away from the arc-shaped elastic sheet (7) is contacted with the second glass fiber braided layer (5), the middle position of one side of the arc-shaped elastic piece (7) far away from the second elastic column (9) is connected with a first elastic column (8).

2. The power plant desulfurization glass fiber reinforced plastic pipeline as set forth in claim 1, characterized in that: the inside of sand inclusion layer (4) is the annular array and is fixed with strengthening rib (13), be equipped with wire netting layer (14) between sand inclusion layer (4) and second glass fiber weaving layer (5).

3. The power plant desulfurization glass fiber reinforced plastic pipeline as set forth in claim 2, characterized in that: and a composite layer (10) is fixed on the outer surface wall of the buffer layer (6), and the composite layer (10) is formed by compounding a fireproof layer and a waterproof layer.

4. The power plant desulfurization glass fiber reinforced plastic pipeline as set forth in claim 3, characterized in that: and an armor layer (11) is fixed on the outer surface wall of the composite layer (10).

5. The power plant desulfurization glass fiber reinforced plastic pipeline as set forth in claim 4, characterized in that: an outer anticorrosive layer (12) is fixed on the outer surface wall of the armor layer (11).

6. The power plant desulfurization glass fiber reinforced plastic pipeline as set forth in claim 5, characterized in that: and an inner anticorrosive layer (2) is fixed on the inner surface wall of the inner pipe (1).