CN216867773U - Open-air trajectory-type river-crossing flow delivery pipeline - Google Patents
Open-air trajectory-type river-crossing flow delivery pipeline Download PDFInfo
- Publication number
- CN216867773U CN216867773U CN202220267222.XU CN202220267222U CN216867773U CN 216867773 U CN216867773 U CN 216867773U CN 202220267222 U CN202220267222 U CN 202220267222U CN 216867773 U CN216867773 U CN 216867773U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- flow
- permeable
- river
- crossing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005192 partition Methods 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000004743 Polypropylene Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 9
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 8
- 238000009991 scouring Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 abstract description 2
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000008901 benefit Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Landscapes
- Revetment (AREA)
Abstract
The utility model discloses a permeable trajectory type river-crossing stream delivery pipeline, which comprises a stream delivery pipeline, a partition plate, a middle hole, a permeable rectangular flow passage and an empennage trajectory device, wherein the partition plate is positioned at the position apart from the outer diameter of a pipe 1/3 at the bottom of the pipeline and partitions the middle hole, the permeable rectangular flow passage is arranged in the middle of the partition plate, and the empennage trajectory device is arranged at the downstream of the stream delivery pipeline. Through the hollow rectangular flow channel arranged at the middle lower part of the pipeline, the flow is passed, so that the vortex field in front of and behind the pipeline is changed, and the formation of large and small vortexes in front of and behind the pipeline is avoided as much as possible. The tail wing flow-picking device is arranged on the pipeline to pick the flow, so that the incoming flow can smoothly flow and can be picked to a position far away from the pipeline, and the vortex strength near the downstream of the pipeline is weakened. The reduction or elimination of the vortex is beneficial to reducing or preventing the scouring of the riverbed near the pipeline, thereby inhibiting the pipeline from being damaged in suspension and being beneficial to ensuring the safety of the flow delivery pipeline.
Description
Technical Field
The utility model relates to a permeable trajectory-type river-crossing stream pipeline, belonging to the technical field of river-crossing stream pipeline protection.
Background
Oil gas and water sources in China are not uniformly distributed, and the demand of oil gas and water in many places is increased year by year, so that a plurality of long-distance oil pipelines are built successively in China, the number and the total length of flow (oil gas, water and the like) pipelines in China are in a crossing type increasing trend, and the pipelines cannot avoid crossing large-volume water bodies such as rivers due to the influence of factors such as terrain.
When the flow conveying pipeline is directly arranged on a bed surface immersed tube type or a shallow buried immersed tube type to pass through a river without other protective measures, three vortexes with the total size are formed in front of and behind the pipeline due to the influence of circular tube streaming, as shown in fig. 3, the vortexes 6 in front of the pipeline, 7 and 8 behind the pipeline can directly scour the sediment of the bed where the pipeline is located, the pipeline is suspended, the pipeline is bent and deformed under the condition of water flow impact, the section of the water flow is reduced, the flow conveying efficiency is influenced, even the pipeline is broken, and water or oil leaks or even the pipeline is broken and the flow conveying fails.
For many years, pipe explosion and leakage accidents of the flow conveying pipeline passing through the river frequently occur, and the oil conveying pipeline is broken, so that a large amount of oil flows into the river, the river is polluted, and the lives of animals and plants such as fish are seriously damaged.
In the common protection measures of the pipeline at present, the pipeline is easy to be damaged secondarily by a stone throwing method and a covering method, namely the protection measures are damaged, and the pipeline is damaged in a suspended mode again; the embedding method has huge engineering quantity; the support method and the flexible material method have limited protection range.
The damage of the river-crossing pipeline is mostly caused by the scouring of a water flow vortex structure, so that a permeable and turbulent type river-crossing stream pipeline is urgently needed to prevent the river-crossing stream pipeline from being damaged in a hanging way.
SUMMERY OF THE UTILITY MODEL
Utility model's purpose: aiming at the defects of the prior art, the utility model aims to provide a permeable turbulence type river crossing flow conveying pipeline, which inhibits the formation of front and back vortexes of the pipeline and prevents the river crossing flow conveying pipeline from being damaged in a suspension manner.
The technical scheme is as follows: in order to achieve the above purpose, the utility model provides a permeable trajectory-type river-crossing stream delivery pipeline, which comprises a stream delivery pipeline, a partition plate, a middle hole, a permeable rectangular flow passage and an empennage trajectory-picking device, wherein the partition plate is positioned at a position which is far away from the outer diameter of 1/3 pipes at the bottom of the stream delivery pipeline and partitions the middle hole, the permeable rectangular flow passage is arranged in the middle of the partition plate, and the empennage trajectory-picking device is arranged at the downstream of the stream delivery pipeline.
Because the front and rear vortex structures of the pipeline are close to the bottom end of the pipeline, the partition plate is positioned at the position which is far from the outer diameter of the 1/3 pipe at the bottom of the flow conveying pipeline and partitions the middle hole, so that the water flow can flow downstream from the hollow rectangular flow passage in the partition plate, and the formation of the vortex of the upstream and the downstream of the pipeline is damaged.
Furthermore, the empennage flow-picking device and the flow transmission pipeline are integrally formed.
Furthermore, the tail fin flow-picking device can pick the incoming flow to a position far away from the flow conveying pipeline, so that the riverbed scouring at the pipeline position is avoided.
Further, the thickness of the baffle plate is 0.125-0.2 times of the outer diameter of the flow pipeline, the width of the baffle plate is one time of the outer diameter of the flow pipeline, the length of the baffle plate is 0.5-0.6 times of the width of the river, and the baffle plate is symmetrical about the center line of the river.
Furthermore, a distance of 10-12 times of the outer diameter of the flow pipeline is reserved between the two ends of the partition board and the corner of the flow pipeline, so that the curve comes to flow to a smooth state.
Furthermore, two ends of the partition board along the length direction of the flow conveying pipeline are streamline shapes with sharp corners, so that the flow conveying is smooth, and the flow conveying disorder is prevented.
Furthermore, the section of the middle hole is large and small, and the pipe fluid such as water, oil and the like is conveyed from the two middle holes, so that the influence on the conveying capacity is reduced as much as possible.
Furthermore, the through rectangular flow channels can flow, the distance between the two through rectangular flow channels is 0.06-0.08 times of the outer diameter of the flow pipeline, the height of the through rectangular flow channels is 0.075-0.125 times of the outer diameter of the flow pipeline, and the distance between the upper edge and the lower edge of each through rectangular flow channel and the surface of the partition plate is 0.02-0.05 times of the outer diameter of the flow pipeline, so that the structural safety thickness of the partition plate is ensured, and the incoming flow of the river channel is prevented from being blocked in the through rectangular flow channels.
Furthermore, the flow transmission pipeline is a polypropylene pipe (PP pipe), and the PP pipe has the advantages of no corrosion, corrosion resistance, wear resistance, no scaling, freezing prevention, dew prevention, long service life and the like.
The protection principle of the open trajectory crossing river delivery pipeline of the utility model is as follows:
the utility model provides a through-air flow-picking type river-crossing stream delivery pipeline, aiming at the problem that a river bottom crossing stream delivery pipeline (oil gas, water and the like) directly laid on a river bed surface is easy to be damaged in a hanging manner. Meanwhile, the tail fin stream picking device on the stream transmission pipeline can pick the incoming stream above the pipeline to the downstream distance, so that the phenomenon that the hanging damage is caused due to the large vortex after the pipeline is avoided.
Has the advantages that: compared with the prior art, the utility model has the following advantages:
(1) part of incoming flow can flow through the hollow rectangular flow channel in the pipeline, the formation of front and rear vortexes passing through the river flow conveying pipeline is damaged, the tail wing flow-picking device on the pipeline can pick the incoming flow above the pipeline to a position farther downstream from the pipeline, and the formation of the downstream vortexes of the pipeline can also be inhibited. The reduction and elimination of the vortex are beneficial to the stabilization of the front and back flow states of the pipeline and the inhibition of local scouring near the pipeline, so that the pipeline is prevented from being damaged in a suspended mode, the leakage of water and oil gas and even the failure of flow transmission are avoided, the safety of the flow transmission pipeline is guaranteed, and the flow transmission benefit is improved.
(2) The permeable rectangular flow channel in the permeable trajectory flow type river-crossing fluid transportation pipeline protection is easy to manufacture, and only a perforation flow is added in the original manufacturing flow of the PP pipeline.
(3) Compared with the common protection measures of pipeline protection, the protection device is not easy to damage in the mode of emptying and selecting flow, and on the basis of ensuring the flow output, the protection effect is better and the engineering quantity is smaller.
Drawings
FIG. 1 is a longitudinal section of a through-void trajectory-type river crossing pipeline along the length direction of the pipeline;
FIG. 2 is a three-dimensional perspective view of a permeable trajectory crossing river delivery pipeline between a section a-a and a section b-b;
FIG. 3 is a circumferential vortex pattern of a cross-river fluid delivery conduit;
FIG. 4 is a longitudinal section view of the open-space trajectory-type river-crossing pipeline between section a-a and section b-b along the radial direction.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings.
As shown in fig. 1-4, the permeable trajectory-type river-crossing fluid delivery pipeline comprises a fluid delivery pipeline 1, a partition plate 2, a middle hole 3, a permeable rectangular flow passage 4 and a tail fin trajectory-making device 5. The clapboard 2 is positioned at the position which is far from the 1/3 outside diameter of the bottom of the pipeline 1 and divides the middle hole 3, the middle of the clapboard 2 is a hollow rectangular flow passage 4, and the tail wing flow-deflecting device 5 is arranged at the downstream of the flow transmission pipeline 1.
The flow pipeline 1 is a PP pipe (polypropylene pipe) which has the advantages of no corrosion, corrosion resistance, wear resistance, no scale formation, freezing prevention, dew prevention, long service life and the like. The outer diameter of the river bed is 400mm, the wall thickness is 6mm, and the river bed is directly paved on a river bed surface to pass through a river with the width of 200m and transport petroleum. During the manufacturing process, a flow pipeline 1 with a clapboard 2 and a tail fin flow-deflecting device 5 is extruded by an extruder, and the flow pipeline 1 is arranged through a river, so that the longitudinal section of the flow pipeline 1 along the length direction of the pipeline is shown as the attached figure 1.
The baffle plate 2 is integrated with the flow pipeline 1, is positioned at the position which is separated from the 1/3 pipe outer diameters at the bottom of the pipeline 1 and separates the two middle holes 3 so as to perforate on the two middle holes to form a hollow rectangular flow passage 4, and the thickness of the baffle plate 2 is 60mm, the width is 400mm of the pipe outer diameter of the flow pipeline 1, the length is 112m, and the baffle plate is symmetrical about the center line of a river. Ten times of pipe outer diameter distance, namely 4m, is reserved between the two ends of the partition plate 2 and the corner of the flow transmission pipeline 1, and the curve coming to flow to a smooth state is recovered. And the two ends of the clapboard 2 along the length direction of the flow transmission pipeline 1 are made into streamline shapes with two sharp corners, which can prevent flow transmission from being disordered so as to ensure smooth flow transmission, as shown in figure 1.
The section of the middle hole 3 is big and small, water, oil gas and the like are conveyed from the two middle holes 3, and the influence on the conveying capacity is reduced as much as possible.
The hollow rectangular flow channel 4 is formed by punching holes in the partition plate 2 and can be used for overflowing so as to destroy the formation of a front vortex 6 of the pipeline and a rear vortex 7 and a vortex 8 of the pipeline, so that the flow state around the pipeline is more stable, and the vortex is prevented from brushing the riverbed to cause the pipeline to be suspended and destroyed. The distance between the hollow rectangular flow channel and the hollow rectangular flow channel is 30cm, the height of the hollow rectangular flow channel is 40mm, the distance between the upper edge and the lower edge of the hollow rectangular flow channel and the surface of the partition plate 2 is 10mm, the structure safety thickness of the partition plate 2 is ensured, and the condition that the incoming flow of a river channel is blocked in the hollow rectangular flow channel 4 is also ensured.
The empennage flow-picking device 5 is arranged at the top of the downstream of the flow conveying pipeline 1, is integrated with the flow conveying pipeline 1, and is extruded by an extruder together with the flow conveying pipeline 1 and the partition plate 2, the material is also a PP pipe, the surface shape of the PP pipe is a straight section and an arc section, so that the flow energy flowing at the top of the flow conveying pipeline 1 can smoothly pick up a distance from the flow conveying pipeline 1 to a further distance, and therefore the formation of the vortex 7 and the vortex 8 at the downstream of the flow conveying pipeline 1 is inhibited, and the vortex 7 and the vortex 8 are prevented from being washed away and damaged.
In addition, the sizes of the flow transmission pipeline 1, the partition plate 2, the hollow rectangular flow passage 4 and the like can be enlarged or reduced in proportion, and the sizes are changed as the specific situation.
Claims (7)
1. The utility model provides a formula of openly taking out a breath passes through river defeated stream pipeline, includes defeated stream pipeline (1) its characterized in that: the flow-sorting device is characterized by further comprising a partition plate (2), a middle hole (3), a hollow rectangular flow channel (4) and an empennage flow-sorting device (5), wherein the partition plate (2) is located at the position apart from the 1/3 outer diameter of the bottom of the flow transmission pipeline (1) and separates the middle hole (3), the hollow rectangular flow channel (4) is arranged in the middle of the partition plate (2), and the empennage flow-sorting device (5) is arranged at the downstream of the flow transmission pipeline (1).
2. The permeable turbulence crossing river stream duct according to claim 1, characterized in that the empennage turbulence device (5) is integrally formed with the stream duct (1).
3. The permeable turbulence type river crossing flow pipeline according to claim 1, wherein the thickness of the partition board (2) is 0.125-0.2 times of the outer diameter of the flow pipeline (1), the width of the partition board is one time of the outer diameter of the flow pipeline (1), the length of the partition board is 0.5-0.6 times of the width of the river, and the partition board is symmetrical about a center line of the river, and a distance of 10-12 times of the outer diameter of the flow pipeline (1) is reserved between two ends of the partition board (2) and corners of the flow pipeline (1) so as to restore the curve to flow smoothly.
4. The permeable trajectory type river-crossing fluid delivery pipeline according to claim 3, wherein two ends of the partition (2) along the length direction of the fluid delivery pipeline (1) are streamline with two sharp corners so as to smoothly deliver the fluid and prevent the fluid from being disordered.
5. The permeable turbulence type river crossing duct according to claim 1, characterized in that the cross section of the middle hole (3) is one big and one small.
6. The permeable turbulence type river crossing stream pipeline according to claim 1, characterized in that the permeable rectangular flow channels (4) can flow, the distance between two permeable rectangular flow channels (4) is 0.06-0.08 times of the outer diameter of the stream pipeline (1), the height of the permeable rectangular flow channels (4) is 0.075-0.125 times of the outer diameter of the stream pipeline (1), and the distance between the upper and lower edges of the permeable rectangular flow channels (4) and the surface of the partition plate (2) is 0.02-0.05 times of the outer diameter of the stream pipeline (1).
7. The openwork trajectory-crossing river transport stream duct according to any one of claims 1 to 6, wherein the transport stream duct (1) is a polypropylene pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220267222.XU CN216867773U (en) | 2022-02-09 | 2022-02-09 | Open-air trajectory-type river-crossing flow delivery pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220267222.XU CN216867773U (en) | 2022-02-09 | 2022-02-09 | Open-air trajectory-type river-crossing flow delivery pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216867773U true CN216867773U (en) | 2022-07-01 |
Family
ID=82154387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220267222.XU Expired - Fee Related CN216867773U (en) | 2022-02-09 | 2022-02-09 | Open-air trajectory-type river-crossing flow delivery pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216867773U (en) |
-
2022
- 2022-02-09 CN CN202220267222.XU patent/CN216867773U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204738377U (en) | Baffle baffling formula energy dissipation drop well | |
| EP2681362B1 (en) | Floating barrier | |
| CN216867773U (en) | Open-air trajectory-type river-crossing flow delivery pipeline | |
| CN112127325A (en) | Converging port rectifying device | |
| CN107906371A (en) | The defeated pressure slow-released system of mortar pipe | |
| CN107254863B (en) | Joint sand discharge channel | |
| CN109881648B (en) | Unpowered separation and collection device for floating oil and scum on flowing water surface | |
| CN107524123B (en) | Movable ocean floating object intercepting and dredging net and using method | |
| CN114592421B (en) | River bridge foundation local protection method and device | |
| CN218373712U (en) | Flood discharge tunnel of wall-separating water flow vertical shaft | |
| CN109912036B (en) | River course floating garbage collection and water purification system | |
| CN106522153A (en) | Energy-gathering rotary accelerating silt removal method for long-distance standard-section artesian ditch | |
| CN110378024A (en) | Utilize the method for flow quantity self-adjusting section hydrocone type construction diversion pipe manufacture river dry work condition | |
| CN215691865U (en) | Sewage treatment sedimentation tank structure | |
| CN115419006A (en) | Method for improving water quality of intersection area of polluted tributary and wide shallow river | |
| CN112176943B (en) | Negative-pressure sand discharge device and method utilizing tidal energy | |
| CN210505723U (en) | Block net belt cleaning device suitable for MBBR technology | |
| CN205023956U (en) | Prevent stifled baffling formula filtration dam | |
| CN210395270U (en) | Portable tubular fishway | |
| CN112325398A (en) | Rotational flow synergistic device | |
| CN211289145U (en) | Novel drainage energy dissipation elbow | |
| CN105152348A (en) | Anti-blocking baffling type percolation dam | |
| CN106087848B (en) | A kind of multi-stage pipeline automatic sand discharging device of crotch structure | |
| CN201416171Y (en) | Water surface floating material blocking device | |
| CN206570754U (en) | It is long to accelerate cleaning silt system away from standard section gravity flow canal cumulative convolution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220701 |