CN110886911A - Double-layer glass fiber reinforced plastic pipeline - Google Patents
Double-layer glass fiber reinforced plastic pipeline Download PDFInfo
- Publication number
- CN110886911A CN110886911A CN201911241127.1A CN201911241127A CN110886911A CN 110886911 A CN110886911 A CN 110886911A CN 201911241127 A CN201911241127 A CN 201911241127A CN 110886911 A CN110886911 A CN 110886911A
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- China
- Prior art keywords
- reinforced plastic
- fiber reinforced
- glass fiber
- pipeline
- plastic pipeline
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/133—Rigid pipes of plastics with or without reinforcement the walls consisting of two layers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a double-layer glass fiber reinforced plastic pipeline, which comprises a glass fiber reinforced plastic inner pipeline and a glass fiber reinforced plastic outer pipeline, wherein the glass fiber reinforced plastic inner pipeline is coaxially sleeved in the glass fiber reinforced plastic outer pipeline, a plurality of paired middle fixing frames are axially arranged in an annular cavity between the glass fiber reinforced plastic inner pipeline and the glass fiber reinforced plastic outer pipeline, an annular arranging groove is formed in the inner wall of the glass fiber reinforced plastic outer pipeline, a circle of leakage induction lines are arranged in the annular arranging groove along the circumferential direction of the annular arranging groove, and the leakage induction lines are in communication connection with a leakage controller. The double-layer glass fiber reinforced plastic pipeline has the advantages that the glass fiber reinforced plastic inner pipeline and the glass fiber reinforced plastic outer pipeline are coaxially sleeved, the overall strength of the glass fiber reinforced plastic pipeline is greatly improved, meanwhile, the liquid leakage condition in the glass fiber reinforced plastic inner pipeline can be monitored at any time, and the problems of safety and environment caused by liquid leakage of some fluids with high pollution and dangerousness are avoided.
Description
Technical Field
The invention relates to the field of glass fiber reinforced plastic pipeline manufacturing, in particular to a double-layer glass fiber reinforced plastic pipeline.
Background
The glass fiber reinforced plastic is a novel composite material developed in the decades of the twentieth century, has the advantages of light weight, high mechanical strength, corrosion resistance, heat resistance and the like, and is widely applied to various fields. Glass reinforced plastic pipes, i.e. tubular structures made of glass reinforced plastic, are commonly used for the transport of various fluids. Most of the existing glass fiber reinforced plastic pipelines are single-layer, and once leakage occurs when some polluting and dangerous fluids are conveyed by the single-layer glass fiber reinforced plastic pipelines, various problems such as safety, environment and the like are often caused.
Disclosure of Invention
The invention aims to provide a double-layer glass steel pipeline.
The technical scheme for realizing the purpose of the invention is as follows: a double-layer glass fiber reinforced plastic pipeline comprises a glass fiber reinforced plastic inner pipeline and a glass fiber reinforced plastic outer pipeline, wherein the glass fiber reinforced plastic inner pipeline is coaxially sleeved in the glass fiber reinforced plastic outer pipeline, a plurality of paired middle fixing frames are axially arranged in an annular cavity between the glass fiber reinforced plastic inner pipeline and the glass fiber reinforced plastic outer pipeline, each group of centering fixing frames comprises a plurality of non-flat glass steel plates, the plurality of glass steel plates in each group of centering fixing frames are radially and uniformly distributed in the annular cavity between the glass fiber reinforced plastic inner pipeline and the glass fiber reinforced plastic outer pipeline, the inner edge of each glass steel plate is in abutting contact with the outer wall of the glass fiber reinforced plastic inner pipeline, the outer edge of each glass steel plate is in abutting contact with the inner wall of the glass fiber reinforced plastic outer pipeline, an annular arranging groove is formed in the inner wall of the glass fiber reinforced plastic outer pipeline, a circle of leakage induction lines is arranged in the annular arranging groove along the circumferential direction of the annular arranging groove, the leakage, and the liquid signal in the outer glass fiber reinforced plastic pipeline sensed is transmitted to the leakage controller, and the leakage controller sends out an alarm signal according to the liquid signal in the outer glass fiber reinforced plastic pipeline transmitted by the leakage sensing wire.
Furthermore, the glass fiber reinforced plastic plate of the centering fixing frame is arched, and the opening of the arched glass fiber reinforced plastic plate faces the glass fiber reinforced plastic inner pipeline. According to the invention, the glass fiber reinforced plastic plate can be round, oval, wavy, arched and the like, and the arched glass fiber reinforced plastic plate is easier to bend and deform and is better installed during installation, so that the glass fiber reinforced plastic plate of the centering fixing frame is arched, and the opening of the arched glass fiber reinforced plastic plate faces to the inner glass fiber reinforced plastic pipeline.
According to the double-layer glass steel pipeline, fluid circulates from the inner glass steel pipeline, if the inner glass steel pipeline is broken and the fluid seeps from the inner glass steel pipeline to the outer glass steel pipeline, the liquid leakage sensing line senses the liquid signal in the outer glass steel pipeline, and the liquid leakage controller sends out an alarm signal. The double-layer glass steel pipeline comprises a glass steel inner pipeline and a glass steel outer pipeline which are coaxially sleeved, wherein the integral strength of the glass steel pipeline is greatly improved, the leakage condition in the glass steel inner pipeline can be monitored at any time, and the safety and environmental problems caused by leakage of some fluids with strong pollution and danger are avoided; on the other hand, a circle of leakage induction line is wound in the annular arrangement groove, so that the glass fiber reinforced plastic pipeline formed by the glass fiber reinforced plastic inner pipeline and the glass fiber reinforced plastic outer pipeline can be installed and used at any position in the circumferential direction, liquid leaked in the glass fiber reinforced plastic inner pipeline can flow to the leakage induction line, the leakage induction line can sense leakage signals in the glass fiber reinforced plastic inner pipeline, and the glass fiber reinforced plastic pipeline is greatly convenient to install.
Drawings
FIG. 1 is a schematic perspective view of a double-wall FRP pipe according to the present invention;
FIG. 2 is a schematic side view of a double-wall FRP pipe according to the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic cross-sectional view taken along line B-B of fig. 3.
Detailed Description
The following detailed description of the embodiments of the double-layer FRP pipe according to the present invention will be made with reference to the accompanying drawings:
as shown in figures 1 to 4, a double-layer FRP pipe comprises an FRP inner pipe 1 and an FRP outer pipe 2, the FRP inner pipe 1 is coaxially sleeved in the FRP outer pipe 2, a plurality of pairs of centering holders 3 are axially arranged in an annular cavity between the FRP inner pipe 1 and the FRP outer pipe 2, each group of centering holders 3 comprises a plurality of non-flat FRP plates 31, the plurality of FRP plates 31 in each group of centering holders 3 are radially and uniformly distributed in the annular cavity between the FRP inner pipe (1) and the FRP outer pipe (2), the inner edge of each FRP plate 31 is in abutting contact with the outer wall of the FRP inner pipe 1, the outer edge of each FRP plate 31 is in abutting contact with the inner wall of the FRP outer pipe 2, an annular installation groove 21 is arranged on the inner wall of the FRP outer pipe 2, a circle of leakage induction line 41 is arranged in the annular installation groove 21 along the circumferential direction thereof, the leakage induction line 41 is in communication connection with a leakage controller 42, during operation, the liquid signal in the outer pipeline 2 of glass steel is responded to often to weeping induction line 41 to liquid signal in the outer pipeline 2 of glass steel that will sense conveys to weeping controller 42, and weeping controller 42 sends alarm signal according to the liquid signal about in the outer pipeline 2 of glass steel that weeping induction line 41 conveys.
In the double-layer glass steel pipe, fluid circulates from the inner glass steel pipe 1, if the inner glass steel pipe 1 is broken and the fluid seeps from the inner glass steel pipe 1 to the outer glass steel pipe 2, the liquid leakage sensing line 41 senses the liquid signal in the outer glass steel pipe 2, and the liquid leakage controller 42 sends out an alarm signal.
The double-layer glass steel pipeline comprises a glass steel inner pipeline 1 and a glass steel outer pipeline 2 which are coaxially sleeved, the overall strength of the glass steel pipeline is greatly improved, the liquid leakage condition in the glass steel inner pipeline 1 can be monitored at any time, and the safety and environmental problems caused by liquid leakage of some fluids with strong pollution and danger are avoided; on the other hand, a circle of leakage induction line 41 is wound in the annular arrangement groove 21, so that the glass fiber reinforced plastic pipeline formed by the glass fiber reinforced plastic inner pipeline 1 and the glass fiber reinforced plastic outer pipeline 2 can be installed and used at any position in the circumferential direction, liquid leaked from the glass fiber reinforced plastic inner pipeline 1 can flow to the leakage induction line 41, the leakage induction line 41 can sense leakage signals in the glass fiber reinforced plastic inner pipeline 1, and the glass fiber reinforced plastic pipeline is greatly convenient to install.
According to the double-layer glass steel pipeline, if the liquid flowing in the glass steel inner pipeline 1 is water quality liquid, the leakage induction line 41 is a leakage induction line, and specifically, the leakage induction line 41 can adopt an XW1000 positioning leakage induction line of Shenzhen Xiang as a measurement and control technology Limited company or a TT1000 leakage induction line of Shenzhen Shenque Nkoku Technique Limited company. If the liquid flowing in the glass fiber reinforced plastic inner pipeline 1 is acidic liquid, the leakage induction line 41 is a leakage induction line, and specifically, the leakage induction line 41 can adopt an XW2000 leakage induction line of Shenzhen Xiang as a measurement and control technology Limited company or a TT3000 leakage induction line of Shenzhen Shen Shi Nchikou technology Limited company. If the liquid flowing in the glass fiber reinforced plastic inner pipeline 1 is an oily liquid, the leakage sensing line 41 is a leakage sensing line, and specifically, the leakage sensing line 41 can adopt an XW3000 positioned leakage sensing line of Shenzhen Xiang as a measurement and control technology Limited company or a TT5000 leakage sensing line of Shenzhen Shenque Nchikojic.
In the double-layer glass fiber reinforced plastic pipeline, the leakage induction line 41 can be generally glued and fixed in the annular arranging groove 21 of the glass fiber reinforced plastic outer pipeline 2.
In the double-layer glass fiber reinforced plastic pipeline, the glass fiber reinforced plastic plate 31 of the centering and fixing frame 3 is mainly used for positioning and fixing the glass fiber reinforced plastic inner pipeline 1 and the glass fiber reinforced plastic outer pipeline 2. The non-flat glass steel plate 31 can be round, oval, wavy, arched and the like, and the arched glass steel plate 31 is easier to bend and deform and is better to disassemble and assemble during installation, so that the glass steel plate 31 of the centering and fixing frame 3 is arched, and the opening of the arched glass steel plate 31 faces the glass steel inner pipeline 1 better.
For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all should be considered as belonging to the protection scope of the invention.
Claims (2)
1. A double-layer glass steel pipeline is characterized in that: the device comprises an inner glass fiber reinforced plastic pipeline and an outer glass fiber reinforced plastic pipeline, wherein the inner glass fiber reinforced plastic pipeline is coaxially sleeved in the outer glass fiber reinforced plastic pipeline, a plurality of paired middle fixing frames are axially arranged in an annular cavity between the inner glass fiber reinforced plastic pipeline and the outer glass fiber reinforced plastic pipeline, each group of centering fixing frames comprises a plurality of non-flat glass steel plates, the plurality of glass steel plates in each group of centering fixing frames are radially and uniformly distributed in the annular cavity between the inner glass fiber reinforced plastic pipeline and the outer glass fiber reinforced plastic pipeline, the inner edge of each glass steel plate is in abutting contact with the outer wall of the inner glass fiber reinforced plastic pipeline, the outer edge of each glass steel plate is in abutting contact with the inner wall of the outer glass fiber reinforced plastic pipeline, an annular accommodating groove is formed in the inner wall of the outer glass fiber reinforced plastic pipeline, a circle of leakage induction lines are arranged in the annular accommodating groove along the circumferential direction of the annular accommodating groove, the leakage induction lines are in communication connection with a leakage controller, during operation, the leakage induction, and the liquid leakage controller sends out an alarm signal according to a liquid signal which is transmitted by the liquid leakage induction line and is related to the liquid in the outer glass fiber reinforced plastic pipeline.
2. The double-layer glass reinforced plastic pipeline according to claim 1, wherein: the glass fiber reinforced plastic plate of the centering fixing frame is arched, and the opening of the arched glass fiber reinforced plastic plate faces to the glass fiber reinforced plastic inner pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911241127.1A CN110886911A (en) | 2019-12-06 | 2019-12-06 | Double-layer glass fiber reinforced plastic pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911241127.1A CN110886911A (en) | 2019-12-06 | 2019-12-06 | Double-layer glass fiber reinforced plastic pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110886911A true CN110886911A (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911241127.1A Withdrawn CN110886911A (en) | 2019-12-06 | 2019-12-06 | Double-layer glass fiber reinforced plastic pipeline |
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| Country | Link |
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| CN (1) | CN110886911A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094514A (en) * | 2021-10-08 | 2022-02-25 | 江苏金安电气有限公司 | Glass fiber reinforced plastic sleeve with high corrosion resistance and heat resistance |
-
2019
- 2019-12-06 CN CN201911241127.1A patent/CN110886911A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094514A (en) * | 2021-10-08 | 2022-02-25 | 江苏金安电气有限公司 | Glass fiber reinforced plastic sleeve with high corrosion resistance and heat resistance |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200317 |
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| WW01 | Invention patent application withdrawn after publication |