CN108265684B - Overflow tower for duct - Google Patents
Overflow tower for duct Download PDFInfo
- Publication number
- CN108265684B CN108265684B CN201810270089.1A CN201810270089A CN108265684B CN 108265684 B CN108265684 B CN 108265684B CN 201810270089 A CN201810270089 A CN 201810270089A CN 108265684 B CN108265684 B CN 108265684B
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- China
- Prior art keywords
- overflow
- tower body
- steel pipe
- tower
- foundation base
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
Abstract
The invention discloses an overflow tower for a culvert, which comprises a drain box culvert, an overflow steel pipe, a tower foundation base, an inner cylinder tower body and an outer cylinder tower body, wherein the lower port of the inner cylinder tower body and the lower port of the outer cylinder tower body are connected with the tower foundation base below to form an integrated structure, the inner cylinder tower body is integrally positioned in the outer cylinder tower body, an overflow channel is formed between the inner cylinder tower body and the outer cylinder tower body, the overflow steel pipe is fastened in a vertical through hole formed in the inner cylinder tower body, the upper end of the overflow steel pipe is communicated with the overflow channel, the lower end of the overflow steel pipe is communicated with a water supply pipeline, the water supply pipeline is fastened in a transverse through hole formed in the tower foundation base, and the initial end of the drain box culvert is connected to a water outlet formed in the bottom end of the outer cylinder tower body and is communicated with the overflow channel. The invention does not need to be arranged in a higher topography. The problem of vibration of the steel pipe caused by the action of a water hammer when overflow occurs is prevented, and the durability of the overflow steel pipe is improved. The overflow facility has the function of hydraulic energy dissipation.
Description
Technical Field
The invention relates to the technical field of water conservancy, in particular to an overflow tower for a culvert.
Background
1. The overflow facility in the prior art is generally selected at a place with higher topography, so that the overflow structure is simpler, but the overflow facility is limited by the topography of the topography;
2. the prior art directly adopts the steel pipe, adopts the mode of support to fix the steel pipe. When overflow occurs, the steel pipe is easy to vibrate strongly, and the service life of the steel pipe is influenced.
3. The prior art water flow requires additional energy dissipation facilities to dissipate energy of the water flow after the water flow overflows.
Disclosure of Invention
The invention aims to provide an overflow tower for a duct, which is not required to be arranged in a higher topography. The problem of vibration of the steel pipe caused by the action of a water hammer when overflow occurs is prevented, and the durability of the overflow steel pipe is improved. The overflow facility has the function of hydraulic energy dissipation.
In order to achieve the purpose, the overflow tower for the culvert adopts the following technical scheme that the overflow tower comprises a drainage box culvert, overflow steel pipes, a tower foundation base, an inner barrel tower body and an outer barrel tower body, wherein the lower port of the inner barrel tower body and the lower port of the outer barrel tower body are connected with the tower foundation base below to form an integrated structure, the inner barrel tower body is integrally positioned in the outer barrel tower body, an overflow channel is formed between the inner barrel tower body and the outer barrel tower body, the overflow steel pipes are fastened in vertical through holes formed in the inner barrel tower body, the upper ends of the overflow steel pipes are communicated with the overflow channel, the lower ends of the overflow steel pipes are communicated with a water supply pipeline, the water supply pipeline is fastened in the transverse through holes formed in the tower foundation base, and the initial ends of the drainage box culvert are connected to a water outlet formed in the bottom end of the outer barrel tower body and are communicated with the overflow channel. The overflow steel pipe is provided with at least one, the inner cylinder tower body is of a concrete structure and is externally covered on the outer wall of the overflow steel pipe. The tower foundation base is of a trapezoid-shaped concrete structure and is wrapped on the outer wall of the water supply pipeline. The overflow channel between the inner cylinder tower body and the outer cylinder tower body is provided with an energy dissipation grid, and the energy dissipation grid is at least provided with one layer.
And the tail end of the drainage box culvert is connected with an anti-freezing flap valve.
The upper port of the outer cylinder tower body is provided with a prefabricated cover plate, and the prefabricated cover plate is provided with a vent hole and connected with a vent pipe. And a cat ladder is arranged on the outer wall of the outer cylinder body.
Compared with the prior art, the invention has the following beneficial effects:
1. the overflow facility is directly connected with the tee joint in the vertical direction of the main pipeline, and the overflow facility is not required to be arranged in a higher topography.
2. The overflow facility wraps the vertical overflow steel pipe with reinforced concrete with the thickness of 1m, so that the problem of vibration of the steel pipe caused by the action of a water hammer when overflow occurs is prevented, and the durability of the overflow steel pipe is improved.
3. The overflow facility has the hydraulic energy dissipation function, and the hydraulic energy dissipation function is performed after water flows overflow, so that the impact of high-speed water flow on reinforced concrete is reduced through the two-stage grids.
Drawings
FIG. 1 is a sectional view of a front view of an overflow tower for a culvert;
FIG. 2 is a cross-sectional side view of the bypass overflow tower;
FIG. 3 is a cross-sectional view of a top view of an overflow tower for a culvert;
fig. 4 is a cross-sectional view of a box culvert structure.
In the figure: 1. a water supply pipe; 2. overflowing the steel pipe; 3. an inner cylinder tower body; 4. prefabricating a cover plate; 5. an outer cylinder tower body; 6. a tower foundation base; 7. a vent hole; 8. a ladder stand; 9. an energy dissipation grid; 10. draining box culverts; 11. and (5) freezing prevention flap valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 4, the overflow tower for the culvert comprises a drainage box culvert 10, an overflow steel pipe 2, a tower foundation base 6, an inner barrel tower body 3 and an outer barrel tower body 5, wherein the lower port of the inner barrel tower body and the lower port of the outer barrel tower body are connected with the tower foundation base below to form an integrated structure, the inner barrel tower body is integrally positioned in the outer barrel tower body, an overflow channel is formed between the inner barrel tower body and the outer barrel tower body, the overflow steel pipe is fastened in a vertical through hole formed in the inner barrel tower body, the upper end of the overflow steel pipe 2 is communicated with the overflow channel, the lower end of the overflow steel pipe is communicated with a water supply pipeline 1, the water supply pipeline is fastened in a transverse through hole formed in the tower foundation base, and the initial end of the drainage box culvert 10 is connected with the overflow channel through a water outlet formed in the bottom end of the outer barrel tower body.
The overflow steel pipe sets up one at least, and according to the drawing, this embodiment is 2, and the quantity can set up wantonly as required certainly, the inner tube tower body is concrete structure, outsourcing is at overflow steel pipe 2 outer walls. The tower foundation base is of a trapezoid-shaped concrete structure and is wrapped on the outer wall of the water supply pipeline 1.
The overflow channel between the inner cylinder tower body and the outer cylinder tower body is provided with energy dissipation grids 9, and the energy dissipation grids are at least provided with one layer, and the quantity of the energy dissipation grids can be set arbitrarily according to the needs. The tail end of the drainage box culvert is connected with an anti-freezing flap valve 11. The upper port of the outer cylinder tower body is provided with a prefabricated cover plate 4, and the prefabricated cover plate is provided with a vent hole 7 which is connected with a vent pipe. The outer wall of the outer cylinder tower body is provided with a cat ladder 8.
The overflow steel pipe is connected with the main pipeline through a steel pipe tee joint in a welding mode; the main pipeline tee joint and the overflow steel pipe are all of an outsourcing reinforced concrete structure; two grids are arranged between the concrete-covered structure of the steel pipe and the side walls, and the grids are fixed with concrete on two sides by adopting embedded bars; the overflow tower is in seamless connection with the box culvert, and a water stop strip is arranged in the middle; an antifreezing flap valve is arranged at the outlet of the box culvert. The structure adopts concrete to enlarge the foundation.
When an abnormal condition occurs at the downstream of the overflow tower or the overflow tower needs to be overhauled, after the valve is closed, water overflows from the overflow steel pipe through the tee joint, falls to the floor through the two layers of grids, and is discharged through the box culvert.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides an overflow tower for duct, includes drainage box culvert, overflow steel pipe, its characterized in that still includes tower foundation base, inner tube tower body, urceolus tower body, and wherein inner tube tower body lower port and urceolus tower body lower port all are connected into an organic whole structure with the tower foundation base of below, the inner tube tower body is whole to be located the urceolus tower body inside, and forms overflow channel between the two, overflow steel pipe fastens in the vertical through-hole that the inner tube tower body was seted up, overflow steel pipe upper end intercommunication above-mentioned overflow channel, overflow steel pipe lower extreme then communicates the water supply pipe, and the water supply pipe fastens in the horizontal through-hole that the tower foundation base was seted up, the top of drainage box culvert is connected on the outlet of seting up in urceolus tower body bottom and is linked together with overflow channel, overflow steel pipe sets up one at least, the inner tube tower body is concrete structure, outsourcing is at overflow steel pipe outer wall, tower foundation base is trapezoidal table concrete structure, outsourcing is at the water supply pipe outer wall, overflow channel between inner tube tower body and the urceolus is provided with energy dissipation grid, energy dissipation grid sets up the layer at least.
2. The overflow tower for a culvert according to claim 1, wherein the end of the drainage box culvert is connected with an anti-freezing flap valve.
3. The overflow tower for a culvert according to claim 1 or 2, wherein the upper port of the outer cylinder tower body is provided with a prefabricated cover plate, the prefabricated cover plate is provided with a vent hole and is connected with a vent pipe, and the outer wall of the outer cylinder tower body is provided with a cat ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810270089.1A CN108265684B (en) | 2018-03-29 | 2018-03-29 | Overflow tower for duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810270089.1A CN108265684B (en) | 2018-03-29 | 2018-03-29 | Overflow tower for duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108265684A CN108265684A (en) | 2018-07-10 |
| CN108265684B true CN108265684B (en) | 2023-08-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810270089.1A Active CN108265684B (en) | 2018-03-29 | 2018-03-29 | Overflow tower for duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108265684B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797810A (en) * | 2019-01-17 | 2019-05-24 | 广东省水利水电科学研究院 | A kind of bend pipe shunting defoaming device applied to high water head water supply structures |
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| US7909531B2 (en) * | 2007-09-20 | 2011-03-22 | Shaw & Sons, Inc. | Surface drainage system |
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| CN107823925A (en) * | 2017-11-07 | 2018-03-23 | 山东汉通奥特机械有限公司 | A kind of precipitator tower |
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| CN108265684A (en) | 2018-07-10 |
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