CN209836951U - Combined energy dissipater - Google Patents
Combined energy dissipater Download PDFInfo
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- CN209836951U CN209836951U CN201821963684.5U CN201821963684U CN209836951U CN 209836951 U CN209836951 U CN 209836951U CN 201821963684 U CN201821963684 U CN 201821963684U CN 209836951 U CN209836951 U CN 209836951U
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Abstract
The utility model discloses a combined energy dissipater, which comprises a plurality of energy dissipater monomers arranged side by side, wherein each energy dissipater monomer comprises an overflow dam, an energy dissipation step, a flaring pier and a stilling pool, the stepping section of the energy dissipation step is in the shape of the lower part of a vertical ellipse, the upper end of the energy dissipation step is connected with the dam crest of the overflow dam, the lower end of the energy dissipation step is connected with the front end of the flaring pier, and the rear end of the flaring pier is connected with the stilling pool through a reverse arc section; and a gate pier is arranged between the energy dissipater monomers, the gate pier extends from the front end of the overflow dam to the rear end of the flaring pier, and the energy dissipater can effectively shorten the lengths of an energy dissipation step and an energy dissipation pool, reduce the engineering quantity and the engineering cost and efficiently reduce the energy.
Description
Technical Field
The utility model belongs to the technical field of hydraulic and hydroelectric engineering flood discharge energy dissipation, in particular to energy dissipater.
Background
The energy release problem is often a great and complex scientific and technical problem in large-scale hydro-power hub engineering design, and the energy release problem requires comprehensive consideration of the relationship and reasonable layout among a water retaining building, a water release building and a prosperous building, and reasonably selects the form of the water release building and a safe and reliable energy dissipation mode according to the topographic, geological and hydrological conditions of a dam site.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can effectively shorten the length of energy dissipation step and stilling basin, reduce engineering volume and engineering cost and can the high-efficient combined energy dissipater who falls.
The technical scheme of the utility model is that, a combined energy dissipater comprises a plurality of energy dissipater monomers arranged side by side, wherein the energy dissipater monomers comprise an overflow dam, an energy dissipation step, a flaring pier and a stilling pool, the stepping section of the energy dissipation step is in the shape of the lower part of a vertical ellipse, the upper end of the energy dissipation step is connected with the dam crest of the overflow dam, the lower end of the energy dissipation step is connected with the front end of the flaring pier, and the rear end of the flaring pier is connected with the stilling pool through an arc-reversing section; and gate piers are arranged between the energy dissipater monomers and extend from the front end of the overflow dam to the rear end of the flaring pier.
By adopting the combined energy dissipater, water flow enters from a reservoir through a sluice, flows through the top of the overflow dam, passes through the energy dissipation steps to be subjected to resistance, and is subjected to up-down selection rolling between steps of the energy dissipation steps, the water flow is changed from the previous binary flow state into the ternary flow state and is subjected to strong turbulence, and a large amount of air is doped at the same time, so that a certain energy dissipation effect is achieved; then the water flow passes through the flaring pier, is contracted and projected into the air and is fully contacted with the air again, and further energy dissipation is realized; and finally, water flows through the reverse arc section to enter the stilling pool, so that energy dissipation is further improved.
Preferably, the shape of the step section of the energy dissipation step is the lower part of a vertical ellipse with a major axis of 2-2.5 m, a minor axis of 1.25-1.75 m and an eccentricity of 0.5-0.85.
Preferably, a trapezoidal pier and a T-shaped pier are arranged in the stilling pool.
Preferably, the trapezoidal pier is positioned in front of the T-shaped pier and is parallel to the transverse direction of the T-shaped pier 1.
Preferably, the trapezoidal pier and the T-shaped pier are arranged in parallel.
After flowing through the reverse arc section and entering the stilling pool, the water flow sequentially passes through the trapezoidal pier and the T-shaped pier and collides with each other, so that turbulent shearing and mixing effects inside the water flow are greatly enhanced, and more kinetic energy of the water flow is converted into heat energy.
Preferably, the top surface of the overflow dam is an upward-convex arc-shaped surface.
Preferably, the left end and the right end of the energy dissipater are provided with side walls.
Preferably, the flaring pier is a conventional X-shaped flaring pier or a Y-shaped flaring pier.
The utility model has the advantages that:
1. the cross section of the energy dissipation step of the combined energy dissipater is in the shape of the lower part of the vertical ellipse, so that more severe ternary hydraulic jump occurs when water flows through the energy dissipation step, the water flows are more fully contacted with air, the energy dissipation efficiency is greatly improved, the length of the energy dissipation step can be effectively shortened, and the engineering quantity and the engineering cost are reduced.
2. The combined energy dissipater is compact in structure and reasonable in design, improves energy dissipation efficiency, and simultaneously achieves sufficient energy dissipation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic cross-sectional view of the energy working cell of the present invention;
figure 3 is a schematic cross-sectional view of the energy-dissipating step of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-3, a combined energy dissipater comprises a plurality of energy dissipater single bodies 1 arranged side by side, wherein each energy dissipater single body 1 comprises an overflow dam 11, an energy dissipation step 12, a flaring pier 13 and a stilling pool 14, the step section of the energy dissipation step 12 is in the shape of the lower part of a vertical ellipse, the upper end of the energy dissipation step 12 is connected with the top of the overflow dam 11, the lower end of the energy dissipation step is connected with the front end of the flaring pier 13, and the rear end of the flaring pier 13 is connected with the stilling pool 14 through a reverse arc section 15; and gate piers 2 are arranged between the energy dissipater single bodies 1, and the gate piers 2 extend from the front end of the overflow dam 11 to the rear end of the flaring pier 13.
Preferably, the shape of the step section of the energy dissipation step 12 is the lower part of a vertical ellipse with a major axis of 2m, a minor axis of 1.75m and an eccentricity of 0.48.
Preferably, a trapezoidal pier 141 and a T-shaped pier 142 are arranged in the stilling pool.
Preferably, the trapezoidal pier 141 is located in front of the T-shaped pier 142 and is parallel to the lateral direction of the T-shaped pier 142.
Preferably, the trapezoidal pier 141 and the T-shaped pier 142 are arranged in parallel.
Preferably, the top surface of the overflow dam 11 is an upward convex arc surface.
Preferably, the dissipater is provided with side walls 3 at the left and right ends.
Preferably, the flaring gate 13 is a conventional X-shaped flaring gate or a Y-shaped flaring gate.
Example 2:
as shown in fig. 1-3, a combined energy dissipater comprises a plurality of energy dissipater single bodies 1 arranged side by side, wherein each energy dissipater single body 1 comprises an overflow dam 11, an energy dissipation step 12, a flaring pier 13 and a stilling pool 14, the step section of the energy dissipation step 12 is in the shape of the lower part of a vertical ellipse, the upper end of the energy dissipation step 12 is connected with the top of the overflow dam 11, the lower end of the energy dissipation step is connected with the front end of the flaring pier 13, and the rear end of the flaring pier 13 is connected with the stilling pool 14 through a reverse arc section 15; and gate piers 2 are arranged between the energy dissipater single bodies 1, and the gate piers 2 extend from the front end of the overflow dam 11 to the rear end of the flaring pier 13.
Preferably, the step section shape of the energy dissipation step 12 is the lower part of a vertical ellipse with a major axis of 2.25m, a minor axis of 1.25m and an eccentricity of 0.83.
Preferably, a trapezoidal pier 141 and a T-shaped pier 142 are arranged in the stilling pool.
Preferably, the trapezoidal pier 141 is located in front of the T-shaped pier 142 and is parallel to the lateral direction of the T-shaped pier 142.
Preferably, the trapezoidal pier 141 and the T-shaped pier 142 are arranged in parallel.
Preferably, the top surface of the overflow dam 11 is an upward convex arc surface.
Preferably, the dissipater is provided with side walls 3 at the left and right ends.
Preferably, the flaring gate 13 is a conventional X-shaped flaring gate or a Y-shaped flaring gate.
Example 3
As shown in fig. 1-3, a combined energy dissipater comprises a plurality of energy dissipater single bodies 1 arranged side by side, wherein each energy dissipater single body 1 comprises an overflow dam 11, an energy dissipation step 12, a flaring pier 13 and a stilling pool 14, the step section of the energy dissipation step 12 is in the shape of the lower part of a vertical ellipse, the upper end of the energy dissipation step 12 is connected with the top of the overflow dam 11, the lower end of the energy dissipation step is connected with the front end of the flaring pier 13, and the rear end of the flaring pier 13 is connected with the stilling pool 14 through a reverse arc section 15; and gate piers 2 are arranged between the energy dissipater single bodies 1, and the gate piers 2 extend from the front end of the overflow dam 11 to the rear end of the flaring pier 13.
Preferably, the shape of the step section of the energy dissipation step 12 is the lower part of a vertical ellipse with a major axis of 2.5m, a minor axis of 1.5m and an eccentricity of 0.8.
Preferably, a trapezoidal pier 141 and a T-shaped pier 142 are arranged in the stilling pool.
Preferably, the trapezoidal pier 141 is located in front of the T-shaped pier 142 and is parallel to the lateral direction of the T-shaped pier 142.
Preferably, the trapezoidal pier 141 and the T-shaped pier 142 are arranged in parallel.
Preferably, the top surface of the overflow dam 11 is an upward convex arc surface.
Preferably, the dissipater is provided with side walls 3 at the left and right ends.
Preferably, the flaring gate 13 is a conventional X-shaped flaring gate or a Y-shaped flaring gate.
Claims (8)
1. The combined energy dissipater is characterized by comprising a plurality of energy dissipater single bodies (1) arranged side by side, wherein each energy dissipater single body (1) comprises an overflow dam (11), an energy dissipation step (12), a flaring gate pier (13) and a stilling pool (14), the step section of each energy dissipation step (12) is the lower part of a vertical ellipse, the upper end of each energy dissipation step (12) is connected with the dam top of the overflow dam (11), the lower end of each energy dissipation step is connected with the front end of the flaring gate pier (13), and the rear end of the flaring gate pier (13) is connected with the stilling pool (14) through a reverse arc section (15); and gate piers (2) are arranged between the energy dissipater single bodies (1), and the gate piers (2) extend from the front end of the overflow dam (11) to the rear end of the flaring pier (13).
2. A combined dissipater as claimed in claim 1, wherein the step cross-sectional shape of the dissipater step (12) is the lower part of a vertical ellipse with a major axis of 2-2.5 m, a minor axis of 1.25-1.75 m and an eccentricity of 0.5-0.85.
3. A combined dissipater according to claim 2, characterised in that trapezoidal piers (141) and T-shaped piers (142) are provided in the pool (14).
4. A composite dissipater as claimed in claim 3, wherein said trapezoidal piers (141) are located in front of said T-shaped piers (142) and parallel to the transverse direction of said T-shaped piers (142).
5. A composite dissipater according to claim 4, wherein said trapezoidal piers (141) and said T-shaped piers (142) are in parallel.
6. A united energy dissipater as claimed in claim 5, wherein said overflow dam (11) crest surface is an upwardly convex arc.
7. A composite dissipater as claimed in claim 6, wherein side walls (3) are provided at the left and right ends of the dissipater.
8. A united energy dissipater according to claim 7, wherein said footer (13) is a conventional X-type footer or Y-type footer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821963684.5U CN209836951U (en) | 2018-11-27 | 2018-11-27 | Combined energy dissipater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821963684.5U CN209836951U (en) | 2018-11-27 | 2018-11-27 | Combined energy dissipater |
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| CN209836951U true CN209836951U (en) | 2019-12-24 |
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| CN201821963684.5U Active CN209836951U (en) | 2018-11-27 | 2018-11-27 | Combined energy dissipater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629535A (en) * | 2018-11-27 | 2019-04-16 | 中水淮河规划设计研究有限公司 | A kind of combined energy dissipater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629535A (en) * | 2018-11-27 | 2019-04-16 | 中水淮河规划设计研究有限公司 | A kind of combined energy dissipater |
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Effective date of registration: 20200416 Address after: Hefei City, Anhui province 230000 Yungu road Binhu District No. 2588 Co-patentee after: Administration of chushandian reservoir of Henan Province Patentee after: ZHONGSHUI HUAIHE PLANNING AND DESIGN RESEARCH Co.,Ltd. Address before: Hefei City, Anhui province 230000 Yungu road Binhu District No. 2588 Patentee before: ZHONGSHUI HUAIHE PLANNING AND DESIGN RESEARCH Co.,Ltd. |