CN210196676U - Anti-corrosion pipeline - Google Patents
Anti-corrosion pipeline Download PDFInfo
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- CN210196676U CN210196676U CN201920833886.6U CN201920833886U CN210196676U CN 210196676 U CN210196676 U CN 210196676U CN 201920833886 U CN201920833886 U CN 201920833886U CN 210196676 U CN210196676 U CN 210196676U
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- layer
- pipeline
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- inner liner
- corrosion
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- 238000005260 corrosion Methods 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 93
- 239000002344 surface layer Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 230000007797 corrosion Effects 0.000 claims abstract description 6
- 239000011241 protective layer Substances 0.000 claims abstract description 6
- 239000011521 glass Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 7
- 239000011152 fibreglass Substances 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000010865 sewage Substances 0.000 description 9
- 230000003746 surface roughness Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
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- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
- Sewage (AREA)
Abstract
The utility model relates to an anti-corrosion pipeline, which comprises a pipeline body, wherein the pipeline body sequentially comprises an inner liner layer, a middle buffer layer and an outer protective layer from inside to outside; the inner liner comprises a fluid facing surface layer on the inner wall of the inner liner and an outer wall of the inner liner from inside to outside; a deformation section is arranged on the inner liner layer, and the deformation section is an expansion joint; the deformation section ensures that the lining layer is not deformed and falls off due to deformation caused by external factors; the pipeline comprises a pipeline body and is characterized in that connecting sections are arranged at two ends of the pipeline body, and each connecting section comprises an inner liner L-shaped structure and an outer protection layer L-shaped structure from inside to outside. The utility model discloses the inner wall is smooth, fluid resistance is little, difficult silt up stifled, corrosion resistance is strong, low roughness, anticorrosive.
Description
Technical Field
The utility model relates to a black and odorous water body, town river moisturizing, rural drinking water and irrigation field, concretely relates to anticorrosive pipeline.
Background
The urban black and odorous water body not only brings extremely poor sensory experience to the masses, but also is a prominent water environment problem directly influencing the production and life of the masses, and the 'action plan for preventing and treating water pollution' proposes a controllability target that the black and odorous water body in the ground level and above urban built-up areas is controlled within 10% in 2020 and the black and odorous water body in the urban built-up areas is totally eliminated in 2030.
The city black and odorous water body treatment working guideline provides a technical route of source control and sewage interception, endogenous source treatment and ecological restoration. The black and odorous water is in the water, the source is on the shore, the key is at a sewage discharge outlet, the core is in a pipe network, and the sewage discharge capacity of the sewage pipe network becomes the key content of the vital importance. The sewage flow rate, the water passing section and the roughness of the inner wall of the pipeline of the sewage pipe network become determining factors for determining the sewage discharge capacity of the pipeline. The reduction of the roughness of the pipeline can greatly enhance the drainage capacity of the sewage pipeline, and becomes the first problem to be solved.
In the fields of water replenishing engineering of urban rivers, drinking water in rural areas and irrigation engineering, the scale of a water supply pipeline accounts for a large proportion of engineering construction investment. Under the same water supply, the smaller the pipe diameter of the pipeline and the larger the flow, the lower the investment and the higher the economic benefit are; the roughness of the water supply pipeline becomes one of the important factors for determining the scale of the pipeline. Reducing the roughness of the pipeline and supplying more water also become the first problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low roughness's anticorrosive pipeline.
The utility model adopts the following technical scheme:
an anti-corrosion pipeline comprises a pipeline body, wherein the pipeline body sequentially comprises an inner liner, a middle buffer layer and an outer protection layer from inside to outside;
the inner liner comprises a fluid facing surface layer on the inner wall of the inner liner and an outer wall of the inner liner from inside to outside;
a deformation section is arranged on the inner liner layer, and the deformation section is an expansion joint; the deformation section ensures that the lining layer is not deformed and falls off due to deformation caused by external factors;
the pipeline comprises a pipeline body and is characterized in that connecting sections are arranged at two ends of the pipeline body, and each connecting section comprises an inner liner L-shaped structure and an outer protection layer L-shaped structure from inside to outside.
Furthermore, the thickness of the lining layer is 2 mm-5 mm.
Furthermore, the fluid facing surface layer of the inner wall of the lining layer is a flexible glass layer, and the outer wall of the lining layer is a polyester film layer.
Furthermore, the thickness of the fluid-facing surface layer on the inner wall of the lining layer is 0.03 mm-1 mm, and the thickness of the outer wall of the lining layer is 2 mm-5 mm.
Furthermore, the middle buffer layer is a rubber layer or a glass glue layer, and the thickness of the middle buffer layer is 2 mm-5 mm.
Further, the outer protective layer is a high-density polyethylene layer, a glass fiber reinforced plastic sand inclusion layer, a nodular cast iron layer or a steel layer.
Furthermore, the outer sandblast of inner liner outer wall increases the roughness of inner liner outer wall.
Furthermore, the expansion joint is filled with the same material as the middle buffer layer.
The outer wall of the lining layer, the middle buffer layer and the outer protection layer are all processed by adopting hot melting, spraying, winding or extrusion to enable all structural layers to be integrated.
Compared with the prior art, the utility model discloses the beneficial effect who gains as follows:
the utility model discloses the inner wall is smooth, fluid resistance is little, difficult silt up stifled, corrosion resistance is strong, low roughness, anticorrosive.
The utility model discloses the inner liner inner wall meets the fluid surface course and is flexible glass, and flexible glass english name is flexiblellass, and this glass characteristics are for thin like paper, have good elasticity. The laminated high molecular plastic is attached to the outside of the flexible glass, so that the glass can be bent without being broken. The flexible glass has the advantages of low roughness, corrosion resistance, impact resistance, tear resistance, high bending degree, softness and the like. The method is mainly characterized by low roughness, the surface roughness (Rq/um) of the flexible glass is less than 6.3, and compared with the surface roughness (Rq/um) of a traditional common glass fiber reinforced plastic sand inclusion pipe, the surface roughness (Rq/um) of the P-PVC and PE pipe is about 9-11, the surface roughness (Rq/um) of the concrete pipe is about 13-14, and the surface roughness (Rq/um) of the cast iron pipe is about 13-15. Therefore, under the conditions of the same flow speed and flow cross section, the roughness is inversely proportional to the flow of the pipe, and the flow capacity of the flexible glass inner wall pipe can be increased by at least 60-100 percent compared with the traditional pipe.
In town sewage pipe network construction, owing to symbolize the influence of taking up an area of, pipeline excavation section is narrow, if adopt a low roughness anticorrosive pipeline: on one hand, under the condition of the same pipe diameter of the pipeline and certain water conservancy parameters, the reduction of the roughness can greatly increase the flow rate of overflowing, which is equivalent to the increase of one or two grades of the same drainage flow rate of the traditional pipe diameter, and the clogging problem of the pipeline is also greatly reduced; on the other hand, the fluid facing surface layer of the inner wall of the lining layer is made of flexible glass, the raw material is wide in production, low in price and low in processing difficulty, and under the condition of the same water flow, the investment is saved by 30% -50% compared with the investment in the construction of pipelines made of the same material and having the same pipe diameter.
The utility model discloses in also doing the water supply pressure pipeline that is used for fields such as town river course moisturizing, rural resident drinking water, rural irrigation, increase pipeline flow, under the advantage of reduction investment, because flexible glass corrosion resistance is high, can also satisfy the interior anticorrosive requirement of pipeline, guarantee that the water can not receive secondary pollution.
The pipeline connecting section adopts an L-shaped structure, the traditional connecting modes such as hot melting, socket joint, pipe hoops and welding can be adopted for pipeline connection, and each section of pipeline is simple and convenient to connect.
The outer wall of the pipeline inner liner is subjected to processes such as sand blasting and the like to increase the roughness of the outer wall of the inner liner, and the inner liner and the middle buffer layer can be firmly contacted into a whole after being subjected to heat treatment, so that stripping and falling are prevented.
The buffer layer is rubber, glass cement material in the middle of the pipeline, and its effect is that the temperature deformation that prevents flexible glass and outer protective layer because density and material characteristic difference receive the temperature influence to produce causes the phenomenon that liner and outer protective layer peeled off to appear, and the fine solution inlayer and outer temperature deformation, the scheduling problem that drops of existence of middle buffer layer.
The deformation section of the pipeline is used for solving the deformation of the flexible glass in the circumferential direction due to temperature and other factors, the deformation section is filled with a middle buffer layer material, the expansion joint is played, and the inner liner flexible glass is prevented from being wrinkled and peeled off after being deformed in the circumferential direction.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of the present invention;
wherein: 2 inner liner layers, 3 middle buffer layers, 4 outer protection layers, 5 deformation sections, 6 inner liner layer inner wall fluid-facing surface layers, 7 inner liner layer outer walls, 8 connecting sections, 9 outer protection layer L-shaped structures and 10 inner liner layer L-shaped structures.
Detailed Description
The present invention is described in further detail below with reference to fig. 1-2.
An anti-corrosion pipeline comprises a pipeline body, wherein the pipeline body sequentially comprises an inner liner layer 2, an intermediate buffer layer 3 and an outer protection layer 4 from inside to outside;
the lining layer 2 comprises a lining layer inner wall fluid-facing surface layer 6 and a lining layer outer wall 7 from inside to outside;
a deformation section 5 is arranged on the lining layer 2, and the deformation section 5 is an expansion joint; the deformation section 5 ensures that the lining layer 2 does not deform or fall off due to deformation caused by external factors;
the pipeline comprises a pipeline body and is characterized in that connecting sections 8 are arranged at two ends of the pipeline body, and each connecting section comprises an inner liner L-shaped structure 10 and an outer protection layer L-shaped structure 9 from inside to outside.
Further, the thickness of the lining layer 2 is 2 mm-5 mm.
Furthermore, the fluid facing surface layer 6 on the inner wall of the lining layer is a flexible glass layer, and the outer wall 7 of the lining layer is a polyester film layer.
Furthermore, the thickness of the fluid facing surface layer 6 on the inner wall of the lining layer is 0.03 mm-1 mm, and the thickness of the outer wall 7 of the lining layer is 2 mm-5 mm.
Further, the middle buffer layer 3 is a rubber layer or a glass glue layer, and the thickness of the middle buffer layer 3 is 2 mm-5 mm.
Further, the outer protection layer 4 is a high-density polyethylene layer, a glass fiber reinforced plastic sand inclusion layer, a nodular cast iron layer or a steel layer.
Furthermore, the outer layer of the outer wall 7 of the inner liner is subjected to sand blasting, so that the roughness of the outer wall 7 of the inner liner is increased.
Further, the expansion joint is filled with the same material as the intermediate buffer layer 3.
The inner liner outer wall 7, the middle buffer layer 3 and the outer protection layer 4 are all processed by adopting hot melting, spraying, winding or extrusion to enable all structural layers to be integrated.
When two sections of pipelines are welded together, the inner liner L-shaped structure 10 and the outer protective layer L-shaped structure 9 of the connecting section 8 adopt the traditional connecting modes of hot melting, socket joint, pipe hoops, welding and the like, and the two sections of pipelines are simply butted.
Finally, it should be noted that the above mentioned embodiments are only intended to illustrate the preferred embodiments of the present invention, and not to limit the same, and although the above mentioned embodiments have been described in detail, it should be understood by those skilled in the art that the foregoing embodiments may be modified, optimized, or have equivalent technical features, and all such modifications, optimizations, and substitutions may be made without departing from the spirit and scope of the present invention, and all such modifications, optimizations, and substitutions should be considered as included within the scope of the claims of the present invention.
Claims (8)
1. An anti-corrosion pipeline comprises a pipeline body, and is characterized in that the pipeline body sequentially comprises an inner liner layer (2), a middle buffer layer (3) and an outer protection layer (4) from inside to outside;
the inner liner (2) comprises a liner inner wall fluid facing surface layer (6) and a liner outer wall (7) from inside to outside;
a deformation section (5) is arranged on the inner liner (2), and the deformation section (5) is an expansion joint;
the pipeline comprises a pipeline body and is characterized in that connecting sections (8) are arranged at two ends of the pipeline body, and each connecting section (8) comprises an inner liner L-shaped structure (10) and an outer protection layer L-shaped structure (9) from inside to outside.
2. An anti-corrosion pipeline according to claim 1, characterized in that the thickness of the lining layer (2) is 2-5 mm.
3. The corrosion-resistant pipeline according to claim 1, wherein the fluid-facing surface layer (6) of the inner wall of the lining layer is a flexible glass layer, and the outer wall (7) of the lining layer is a polyester film layer.
4. The anti-corrosion pipeline according to claim 3, wherein the thickness of the fluid facing surface layer (6) on the inner wall of the lining layer is 0.03-1 mm, and the thickness of the outer wall (7) of the lining layer is 2-5 mm.
5. An anticorrosion pipeline according to claim 1, wherein the intermediate buffer layer (3) is a rubber layer or a glass cement layer, and the thickness of the intermediate buffer layer (3) is 2 mm-5 mm.
6. Anti-corrosion pipe according to claim 1, characterized in that the outer protective layer (4) is a high density polyethylene layer, a glass fiber reinforced plastic sand inclusion layer, a nodular cast iron layer or a steel layer.
7. A corrosion-resistant pipe according to claim 1, wherein the inner liner outer wall (7) is outer-layer blasted.
8. An anti-corrosion pipeline according to claim 5, characterized in that the expansion joint is filled with the same material as the intermediate buffer layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920833886.6U CN210196676U (en) | 2019-06-04 | 2019-06-04 | Anti-corrosion pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920833886.6U CN210196676U (en) | 2019-06-04 | 2019-06-04 | Anti-corrosion pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210196676U true CN210196676U (en) | 2020-03-27 |
Family
ID=69873871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920833886.6U Expired - Fee Related CN210196676U (en) | 2019-06-04 | 2019-06-04 | Anti-corrosion pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210196676U (en) |
-
2019
- 2019-06-04 CN CN201920833886.6U patent/CN210196676U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 |