CN209385824U - A kind of conveying pipe - Google Patents
A kind of conveying pipe Download PDFInfo
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- CN209385824U CN209385824U CN201822023314.XU CN201822023314U CN209385824U CN 209385824 U CN209385824 U CN 209385824U CN 201822023314 U CN201822023314 U CN 201822023314U CN 209385824 U CN209385824 U CN 209385824U
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- fibre reinforced
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- composite material
- reinforced composites
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Abstract
The utility model provides a kind of conveying pipe, which includes: tube body, the first fibre reinforced composites layer, cement-base composite material layer and the second fibre reinforced composites layer；The first fibre reinforced composites layer is arranged on the inner wall of the tube body；The cement-base composite material layer is wrapped in the outside of the tube body；The second fibre reinforced composites layer is wrapped in the outside of the cement-base composite material layer.The integral strength of pipeline configuration can be improved using the utility model, enhance the break resistance of pipeline, be effectively prevented the corrosion of steel pipe internal and external environment, reduce influence of the low temperature to pipeline.
Description
Technical field
This application involves pipeline engineering technical field more particularly to a kind of conveying pipes.
Background technique
With the fast development of energy industry, pipeline industry also rapidly develops therewith, also just there is the pipe of 19th century mid-term
Road transport service, then large-scale pipe-line construction oneself become the indispensable part of development of all countries economy, therefore the safety of pipeline
Also result in the attention of various countries.
In recent years, to meet urban industry and domestic water the needs of, built a batch across basin, remote, big flow,
High lift, long distance water transfer project.Long distance water transfer is important one of the infrastructure in city, it and people's lives cease manner of breathing
It closes, and has direct relationship with the life, construction and development in city.In day-to-day operation, although taking many measures,
The various position accidents of engineering still happen occasionally.Long-distance Pipeline for Water Conveyance is mainly since pipeline break, interface disengage and pipe
Part damage causes to miss, wherein because caused by pipeline break accident account for the largest percentage.According to statistics, China existing 20.3 ten thousand
In the feedwater piping of kilometer, 80% or more pipeline is gray cast iron pipe.The gray cast iron pipe of China's production from the sixties is to connect
It based on the pipe casting techniques of continuous casting, and uses the material problem of the cast iron pipe of continuous cast pipe technology production relatively more, is tried in new pipe
Pressure and go into operation operation when generator tube road phenomenon of rupture often.Aqueduct major cause of failure has: external load, water in burn into
Machine phenomenon, low temperature.
Long-distance oil & gas pipeline has the characteristics that high pressure, inflammable and explosive, distribution is wide, route is long, also determines long defeated natural gas
Pipeline in the difficulty in terms of construction and with the complexity in terms of material, once since pipeline material is defective, structural strength, compactness
It is leaked there are problem or third party's construction infringement, the things such as fire, explosion, poisoning and other people body injuries will be caused
Therefore downstream city gas is not only influenced, particularly serious industrial accident is more importantly easily caused, is pacified to people's life and property
It causes to seriously threaten entirely.Thus, it is ensured that the safe and stable operation of long distance gas pipeline is most important.In the world nearly 100%
Natural gas and petroleum more than 85% are conveyed by long distance pipeline.The pernicious safety accident Shi Youfa caused by defect of pipeline
It is raw, it is more than every year several hundred million members because being lost caused by pipeline gas leakage, stopping transportation, pollution etc., therefore, the safety of pipeline just seems especially
It is important.Long-distance Transmission Pipeline common deficiency type mainly has crackle, pit, stomata, misalignment, slag inclusion etc..These defects are most
Along pipeline genesis analysis, it is easy to further expand under gas pressure effect in pipe, tube wall is caused to crack.
Utility model content
In view of this, the present invention provides a kind of conveying pipe, so as to improve pipeline configuration integral strength,
The break resistance for enhancing pipeline is effectively prevented the corrosion of steel pipe internal and external environment, reduces influence of the low temperature to pipeline.
The technical solution of the utility model is specifically achieved in that
A kind of conveying pipe, the conveying pipe include: tube body, the first fibre reinforced composites layer, cement base composite wood
The bed of material and the second fibre reinforced composites layer；
The first fibre reinforced composites layer is arranged on the inner wall of the tube body；
The cement-base composite material layer is wrapped in the outside of the tube body；
The second fibre reinforced composites layer is wrapped in the outside of the cement-base composite material layer.
Preferably, the fibre reinforced composites of the first fibre reinforced composites layer are glass fiber reinforced composite
Material, carbon fibre reinforced composite or aramid fiber enhance any one in composite material.
Preferably, the fibre reinforced composites of the second fibre reinforced composites layer are carbon fiber reinforced plastic
Material.
Preferably, the cement-base composite material of the cement-base composite material layer is sprayable polyvinyl alcohol superhigh tenacity
Cement-base composite material.
Preferably, on the first fibre reinforced composites layer stickup or the inner wall coated in the tube body.
Preferably, the tube body is steel pipe.
Preferably, the cement-base composite material layer is with a thickness of 50 millimeters.
As above as it can be seen that in conveying pipe in the present invention, the is provided on the inner wall of the tube body of conveying pipe
One fibre reinforced composites layer is provided with cement-base composite material layer on the outer wall of tube body, and in cement-base composite material
The second fibre reinforced composites layer is also provided on layer.Due to being provided with a fiber-reinforced composite material inside and outside tube body
The bed of material, therefore certain effect of contraction can be generated to the deformation of tube body, prevent water delivery oil gas steel pipe in interior external load and water dispenser
Transversely deforming is generated under the action of phenomenon, so as to effectively improve the integral strength of structure, enhances the resistance to fracture of pipeline
Can, prevent pipeline from fracture leakage accident occurs；Moreover, the fibre reinforced composites layer on inboard wall of tube body and outer wall can also have
The corrosion for preventing to effect internal and external environment, reduces the probability since accident occurring after tube performance deterioration, effectively adds ground Qiang Guandao
The safety of engineering improves the security reliability of existing pipeline, reduces the probability of water delivery oil-gas pipeline accident to the greatest extent；Separately
Outside, the cracking resistance for being wrapped in the cement-base composite material on tube wall is good, and has certain intensity, is equivalent in pipeline
Surface covers one layer of heat preservation layer, can efficiently reduce influence of the low temperature to pipeline, increase the intensity of pipeline.
Therefore, the conveying pipe in the utility model can meet simultaneously increases substantially bearing capacity, rigidity and ductility
It is required that individual material properties can be given full play to, and integrality performance of the structure is good, effect is reliable, constructing operation is easy, is easy to feeding
Shield, effect is obvious, is with a wide range of applications.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the conveying pipe in the utility model embodiment.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the flow chart of the production method of the conveying pipe in the utility model embodiment.
Specific embodiment
For the technical solution of the utility model and advantage is more clearly understood, below in conjunction with drawings and the specific embodiments,
The utility model is described in further detail.
Fig. 1 is the structural schematic diagram of the conveying pipe in the utility model embodiment, and Fig. 2 is the sectional view of Fig. 1.Such as Fig. 1
With shown in Fig. 2, which includes: tube body 12, the first fibre reinforced composites (FRP) layer 11, cement-base composite material
Layer 13 and the second fibre reinforced composites layer 14；
The first fibre reinforced composites layer 11 is arranged on the inner wall of the tube body 12；
The cement-base composite material layer 13 is wrapped in the outside of the tube body 12；
The second fibre reinforced composites layer 14 is wrapped in the outside of the cement-base composite material layer 13.
In addition, preferably, in a specific embodiment of the utility model, the first fibre reinforced composites layer
Fibre reinforced composites be glass fibre reinforced composion, carbon fibre reinforced composite or aramid fiber enhancing it is compound
Any one in material.
In addition, preferably, in a specific embodiment of the utility model, the second fibre reinforced composites layer
Fibre reinforced composites be carbon fibre reinforced composite.
In addition, preferably, in a specific embodiment of the utility model, the cement of the cement-base composite material layer
Based composites are sprayable polyvinyl alcohol superhigh tenacity cement-base composite material.
In addition, preferably, in a specific embodiment of the utility model, the first fibre reinforced composites layer
In stickup or the inner wall coated in the tube body.
In addition, preferably, the tube body is steel pipe in a specific embodiment of the utility model.
In addition, additionally providing a kind of production method of conveying pipe in the utility model according to above-mentioned conveying pipe, have
Body refers to Fig. 3.
Fig. 3 is the flow chart of the production method of the conveying pipe in the utility model embodiment.As shown in figure 3, this is practical
The production method of conveying pipe in new embodiment includes step as described below:
Step 31, one layer of fibre reinforced composites (FRP) is set on inboard wall of tube body.
In this step, one layer of fibre reinforced composites can be first set on the inner wall of tube body 12, it is fine to form first
Dimension enhancing composite layer 11.
For example, preferably, the tube body can be steel pipe in a specific embodiment of the utility model.Therefore, may be used
To paste one layer of fibre reinforced composites on the inner wall of steel pipe, to form the first fibre reinforced composites layer.
Step 32, one layer of cement-base composite material is set on tube wall.
In this step, one layer of cement-base composite material can be set on the outer wall of tube body 12, it is compound to form cement base
Material layer 13.
For example, preferably, carbon first can be arranged on the outer wall of tube body in a specific embodiment of the utility model
Fiber grid；Then superhigh tenacity cement-base composite material is sprayed to the tube surfaces for overworking carbon fiber grille again；Injection is completed
It is smoothed out afterwards with superhigh tenacity cement-base composite material, to form cement-base composite material layer.
In addition, preferably, the cement-base composite material thickness degree can in a specific embodiment of the utility model
Think 50 millimeters (mm).
Step 33, after cement-base composite material effectively hardens, one layer of fibre is set in the outer surface of cement-base composite material
Dimension enhancing composite material.
In this step, it can first wait for a period of time, it is multiple after cement-base composite material effectively hardens, then in cement base
One layer of fibre reinforced composites are arranged in the outer surface of condensation material, form the second fibre reinforced composites layer 14.
For example, preferably, effectively being hardened in a specific embodiment of the utility model in cement-base composite material
Afterwards, one layer of fibre reinforced composites can be pasted, on the outer surface of cement-base composite material to form the second fiber reinforcement
Composite layer.
Through the above steps 31~33, the production of the conveying pipe in the utility model can be completed.
In conclusion being provided with first on the inner wall of the tube body of conveying pipe in the technical solution of the utility model
Fibre reinforced composites layer is provided with cement-base composite material layer on the outer wall of tube body, and in cement-base composite material layer
On be also provided with the second fibre reinforced composites layer.Due to being provided with a fibre reinforced composites inside and outside tube body
Layer, therefore certain effect of contraction can be generated to the deformation of tube body, prevent water delivery oil gas steel pipe existing in interior external load and water dispenser
Transversely deforming is generated as under the action of, so as to effectively improve the integral strength of structure, enhances the break resistance of pipeline,
Prevent pipeline from fracture leakage accident occurs；Moreover, the fibre reinforced composites layer on inboard wall of tube body and outer wall can also be effective
Ground prevents the corrosion of internal and external environment, reduces the probability since accident occurring after tube performance deterioration, effectively adds strong pipeliner
The safety of journey improves the security reliability of existing pipeline, reduces the probability of water delivery oil-gas pipeline accident to the greatest extent；In addition,
The cracking resistance for being wrapped in the cement-base composite material on tube wall is good, and has certain intensity, is equivalent in pipeline table
Face covers one layer of heat preservation layer, can efficiently reduce influence of the low temperature to pipeline, increase the intensity of pipeline.Therefore, this is practical
Conveying pipe in novel can meet the requirement for increasing substantially bearing capacity, rigidity and ductility simultaneously, can give full play to difference
Material property, and integrality performance of the structure is good, effect is reliable, and constructing operation is easy, is easy to conserve, and effect is obvious, has extensive
Application prospect.
Conveying pipe in the utility model is a kind of beams of concrete structure efficiently, economic, by the non-linear of steel with
The high epistasis of fiber-reinforced composite material combines, and improves Material ductility in use process, and it is various unfavorable to be reasonably resistant to
The effect of load.
Conveying pipe in the utility model can be widely applied in water delivery oil-gas pipeline, both can be used for pipe network
It renovates, it can also be used to grassroot project.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution, improvement and etc. done should be included in the utility model
Within the scope of protection.
Claims (7)
1. a kind of conveying pipe, which is characterized in that the conveying pipe includes: tube body, the first fibre reinforced composites layer, cement
Based composites layer and the second fibre reinforced composites layer；
The first fibre reinforced composites layer is arranged on the inner wall of the tube body；
The cement-base composite material layer is wrapped in the outside of the tube body；
The second fibre reinforced composites layer is wrapped in the outside of the cement-base composite material layer.
2. conveying pipe according to claim 1, it is characterised in that:
The fibre reinforced composites of the first fibre reinforced composites layer are glass fibre reinforced composion, carbon fiber
Enhancing composite material or aramid fiber enhance any one in composite material.
3. conveying pipe according to claim 1, it is characterised in that:
The fibre reinforced composites of the second fibre reinforced composites layer are carbon fibre reinforced composite.
4. conveying pipe according to claim 1, it is characterised in that:
The cement-base composite material of the cement-base composite material layer is that sprayable polyvinyl alcohol superhigh tenacity cement base is compound
Material.
5. conveying pipe according to claim 1, it is characterised in that:
In the first fibre reinforced composites layer stickup or the inner wall coated in the tube body.
6. conveying pipe according to claim 1, it is characterised in that:
The tube body is steel pipe.
7. conveying pipe according to claim 1, it is characterised in that:
The cement-base composite material layer is with a thickness of 50 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822023314.XU CN209385824U (en) | 2018-12-04 | 2018-12-04 | A kind of conveying pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822023314.XU CN209385824U (en) | 2018-12-04 | 2018-12-04 | A kind of conveying pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385824U true CN209385824U (en) | 2019-09-13 |
Family
ID=67870527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822023314.XU Active CN209385824U (en) | 2018-12-04 | 2018-12-04 | A kind of conveying pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681699A (en) * | 2018-12-04 | 2019-04-26 | 中冶建筑研究总院有限公司 | A kind of conveying pipe and preparation method thereof |
-
2018
- 2018-12-04 CN CN201822023314.XU patent/CN209385824U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681699A (en) * | 2018-12-04 | 2019-04-26 | 中冶建筑研究总院有限公司 | A kind of conveying pipe and preparation method thereof |
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