CN206971181U - A kind of multichannel bank stiling basin of dispersible energy dissipating - Google Patents
A kind of multichannel bank stiling basin of dispersible energy dissipating Download PDFInfo
- Publication number
- CN206971181U CN206971181U CN201720488061.6U CN201720488061U CN206971181U CN 206971181 U CN206971181 U CN 206971181U CN 201720488061 U CN201720488061 U CN 201720488061U CN 206971181 U CN206971181 U CN 206971181U
- Authority
- CN
- China
- Prior art keywords
- stiling basin
- discharge orifice
- bank
- energy dissipating
- stiling
- 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.)
- Active
Links
Landscapes
- Sewage (AREA)
Abstract
It the utility model is related to water conservancy and hydropower construction engineering technical field, disclose a kind of multichannel bank stiling basin of dispersible energy dissipating, fall bank flow inlet section, stiling basin body, stiling basin end sill and protection-apron positioned at stiling basin body tail end including what is set gradually along water (flow) direction, the bank flow inlet intersegmental part that falls offers the wide discharge orifice of interlaced arrangement and narrow discharge orifice, and partition wall is provided between wide discharge orifice and narrow discharge orifice；The inside of the stiling basin body is sequentially provided with the raised and multiple concrete pier equally arranged of shunting in arc-shaped along water (flow) direction, the raised surface of shunting is provided with along its circumferential equally distributed straight-tooth line, and the section of each concrete pier is set to antiparallelogram shape；The protection-apron is connected with the stiling basin end sill, solves the problems, such as that water level fluctuation is larger during existing stiling basin energy dissipating, fluidised form is unstable and can damage stiling basin internal structure.
Description
Technical field
Water conservancy and hydropower construction engineering technical field is the utility model is related to, in particular it relates to which a kind of dispersible energy dissipating is more
Passage bank stiling basin.
Background technology
Stiling basin promotes to produce the energy-dissipating installation of underflow type hydraulic jump in outlet structure escape works downstream, and stiling basin lets out torrent under making
Rapidly go to flow slowly, typically the kinetic energy of the lower stream that sluices can be eliminated 40%~70%, and protection-apron length can be shortened, be a kind of effective
And economic energy-dissipating installation；
On the one hand, existing flow inlet section falls the first half of stiling basin below bank and forms strong energy dissipating area, most of energy
Front half section dissipation is concentrated on, so that forming the front half section of stiling basin concentrates energy dissipating area, and concentrates energy dissipating area flow turbulence acute
It is strong, although having haveed the function that efficient energy dissipating, energy dissipating, and energy dissipating are carried out without the length using stiling basin cmpletely
When water level fluctuation it is larger, the problem of fluidised form is unstable be present, at the same there is also damage stiling basin structure, influence flood releasing structure
The possibility of normal operation；
On the other hand, flow inlet section falls the current of bank and enters the stiling basin first half of lower section and form energy dissipating area, warp
The middle rear end of stiling basin will be entered by crossing after first energy dissipating, water (flow) direction be disperseed due to lacking, the water through preliminary energy dissipating
Stream can form submerged jets, so as to cause current to wash away the internal structure of stiling basin always, therefore can also damage stiling basin knot
Structure.
Utility model content
In order to solve the above technical problems, the utility model provide a kind of multichannel bank stiling basin of dispersible energy dissipating with up to
To the purpose that current are carried out with scattered energy dissipating, fluid stable is kept and prevents stiling basin structural failure, solve existing disappear
The problem of water level fluctuation is larger during the energy dissipating of power pond, fluidised form is unstable and can damage stiling basin internal structure.
In order to realize above-mentioned technique effect, technical scheme provided by the utility model is：A kind of dispersible energy dissipating it is more
Passage bank stiling basin, including fall bank flow inlet section, stiling basin body, positioned at stiling basin body along what water (flow) direction was set gradually
The stiling basin end sill and protection-apron of tail end, it is characterised in that the bank flow inlet intersegmental part that falls offers interlaced arrangement
Wide discharge orifice and narrow discharge orifice, partition wall is provided between wide discharge orifice and narrow discharge orifice；The inside of the stiling basin body is along water
Stream direction is sequentially provided with the raised and multiple concrete pier equally arranged of shunting in arc-shaped, and the surface for shunting projection is set
Have along its circumferential equally distributed straight-tooth line, the section of each concrete pier is set to antiparallelogram shape；The protection-apron disappears with described
Power pond end sill is connected, and the multichannel bank stiling basin of the dispersible energy dissipating meets following relation：
Wherein, D1 is the height of port to the stiling basin body bottom surface of wide discharge orifice and narrow discharge orifice；D2 is shunting
The straight-tooth line of protruding apex to the stiling basin body bottom surface height；D3 is concrete pier top to the stiling basin body bottom
The height in face；D4 is the height of stiling basin end sill top to the stiling basin body bottom surface.
Further, the bottom of the wide discharge orifice and narrow discharge orifice is set to circular shape.
Further, the width of the wide discharge orifice is set to twice of narrow aerial drainage hole width.
Further, the height of each concrete pier is set to 1/3rd of stiling basin end sill height.
Further, the wide discharge orifice and narrow discharge orifice are both with respect to falling being centrosymmetrically arranged for bank flow inlet section.
Further, steel plate is used on the end for falling bank flow inlet section to the surface shunted between raised top
Lining cutting.
Compared to prior art, the beneficial effects of the utility model are：
1. the application carries out preliminary energy dissipating using wide discharge orifice and narrow discharge orifice to falling bank flow inlet section, can avoid making
Fluctuated widely into water surface during energy dissipating, then all directions are carried out to flow direction by shunting the straight-tooth line of convex surfaces and divided
It is different relative to the current loading angle for falling bank flow inlet section to dissipate the straight-tooth line of energy dissipating and shunting projection, shunts the anti-impact of projection
Hit that power is bigger, while also avoid current to being washed away always to what the inside of stiling basin body was fixed, to the structure of stiling basin
Serve protective effect；
2. it is stiling basin end sill height by the be spaced substantially equidistant distribution and its height of stiling basin body interior concrete pier
1/3rd, while the section of concrete pier is in the setting of antiparallelogram, the current of stiling basin body interior is carried out abundant
During energy dissipating, the fluid stable inside stiling basin is also can guarantee that, makes stiling basin that there is certain degree of flooding.
Brief description of the drawings
Fig. 1 is the overall schematic top plan view of the multichannel bank stiling basin of dispersible energy dissipating provided by the utility model；
Fig. 2 is Fig. 1 A-A to sectional view；
Fig. 3 is Fig. 2 B-B direction sectional view.
Embodiment
The utility model is further described in detail with reference to specific embodiment, following word is intended to indicate that
The utility model, and unrestricted the scope of protection of the utility model.
As shown in Figure 1, Figure 2 and Figure 3, the utility model can be implemented as follows, and a kind of dispersible energy dissipating is led to more
Road bank stiling basin, including fall bank flow inlet section 1, stiling basin body 2, positioned at stiling basin body along what water (flow) direction was set gradually
The stiling basin end sill 3 and protection-apron 4 of 2 tail ends, described fall offer the width of interlaced arrangement and let out inside bank flow inlet section 1
Discharge orifice 5 and narrow discharge orifice 6, partition wall 7 is provided between wide discharge orifice 5 and narrow discharge orifice 6；The inside of the stiling basin body 2 is along water
Stream direction is sequentially provided with the shunting projection 8 of arc-shaped and multiple concrete piers 9 equally arranged, the table of shunting projection 8
Face is provided with along its circumferential equally distributed straight-tooth line 11, when the current for falling bank flow inlet section 1 rush at the straight of raised 8 surfaces of shunting
During groove 11 (wherein each straight-tooth line 11 is formed by strong concrete cast), because straight-tooth line 11 is relative to the folder of current
Angle is different, so straight-tooth line 11 can disperse to current, and will not cause obvious fluidised form unstable, each concrete pier
9 section is set to antiparallelogram shape；The protection-apron 4 is connected with the stiling basin end sill 3, the multichannel of the dispersible energy dissipating
Bank stiling basin meets following relation：
D1=D3<D2≤D4,
Wherein, D1 is the height of port to the bottom surface of stiling basin body 2 of wide discharge orifice 5 and narrow discharge orifice 6；D2 is point
The straight-tooth line 11 on raised 8 tops is flowed to the height of the bottom surface of stiling basin body 2；D3 is the top of concrete pier 9 to the power of disappearing
The height of the bottom surface of pond body 2；D4 is the height of the top of stiling basin end sill 3 to the bottom surface of stiling basin body 2；
The setting of this relation, ensure that whole stiling basin is in the state flooded, ensure by falling the end of bank flow inlet section 1
Go out the stability of current.
The bottom of the wide discharge orifice 5 and narrow discharge orifice 6 is set to circular shape, and the width of the wide discharge orifice 5 is set to
Twice (i.e. L2=2L1) of the narrow width of discharge orifice 6, realize current by can tentatively be disappeared when falling bank flow inlet section 1
Can, wide being staggered for discharge orifice 5 and narrow discharge orifice 6 can ensure the stability of current.
The height of each concrete pier 9 is set to 1/3rd of the height of stiling basin end sill 3 (i.e.), mix
Solidifying knoll 9 carries out further energy dissipating to the current inside stiling basin, as preferable, the concrete by section for antiparallelogram
The introversion oblique angle of the both sides hypotenuse of pier 9 is set to 45 °, and on the one hand this angle has good energy dissipating effect to current complementary energy, on the other hand
To the water flow fluctuation inside stiling basin will not be caused larger.
The wide discharge orifice 5 and narrow discharge orifice 6 fall bank both with respect to being centrosymmetrically arranged for bank flow inlet section 1 is fallen
The both sides of flow inlet section 1 are wide discharge orifice 5 or narrow discharge orifice 6, due to being symmetrical arranged for wide discharge orifice 5 and narrow discharge orifice 6,
It can ensure mutually to balance between the horizontal force of current, prevent that the fluidised form of current is unstable.
The multichannel bank stiling basin of the dispersible energy dissipating of the application is pushed up by falling the end of bank flow inlet section 1 to projection 8 is shunted
Lining cutting is carried out using steel plate 10 on surface between end, steel plate 10 and the straight-tooth line 11 on raised 8 surfaces of shunting match, by steel plate
10 are fixedly connected on by falling the end of bank flow inlet section 1 to the surface shunted between raised 8 tops by concrete backfill, with
Guarantee to bear the powerful water flow impact pressure gone out by falling the end of bank flow inlet section 1, be hardly damaged.
Any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Change or replace, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with right
It is required that described protection domain is defined.
Claims (6)
1. a kind of multichannel bank stiling basin of dispersible energy dissipating, including along water (flow) direction set gradually fall bank flow inlet section,
Stiling basin body, stiling basin end sill and protection-apron positioned at stiling basin body tail end, it is characterised in that described to fall bank flow inlet
Intersegmental part offers the wide discharge orifice of interlaced arrangement and narrow discharge orifice, and partition wall is provided between wide discharge orifice and narrow discharge orifice；
It is raised and multiple equally arrange that the inside of the stiling basin body along water (flow) direction is sequentially provided with shunting in arc-shaped
Concrete pier, the surface for shunting projection are provided with along its circumferential equally distributed straight-tooth line, and the section of each concrete pier is set to
Side trapezoidal shape；The protection-apron is connected with the stiling basin end sill, and the multichannel bank stiling basin satisfaction of the dispersible energy dissipating is following
Relation：
D1=D3<D2≤D4,
Wherein, D1 is the height of port to the stiling basin body bottom surface of wide discharge orifice and narrow discharge orifice；D2 is raised for shunting
The straight-tooth line on top to the stiling basin body bottom surface height；D3 is concrete pier top to the stiling basin body bottom surface
Highly；D4 is the height of stiling basin end sill top to the stiling basin body bottom surface.
2. the multichannel bank stiling basin of dispersible energy dissipating according to claim 1, it is characterised in that the wide discharge orifice and
The bottom of narrow discharge orifice is set to circular shape.
3. the multichannel bank stiling basin of dispersible energy dissipating according to claim 1, it is characterised in that the wide discharge orifice
Width is set to twice of narrow aerial drainage hole width.
4. the multichannel bank stiling basin of dispersible energy dissipating according to claim 1, it is characterised in that each concrete
The height of pier is set to 1/3rd of stiling basin end sill height.
5. the multichannel bank stiling basin of dispersible energy dissipating according to claim 1, it is characterised in that the wide discharge orifice and
Narrow discharge orifice is both with respect to falling being centrosymmetrically arranged for bank flow inlet section.
6. the multichannel bank stiling basin of dispersible energy dissipating according to claim 1, it is characterised in that the Kan Shui that falls is flowed into
Plate-steel liner is used on the end of mouth section to the surface shunted between raised top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720488061.6U CN206971181U (en) | 2017-05-04 | 2017-05-04 | A kind of multichannel bank stiling basin of dispersible energy dissipating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720488061.6U CN206971181U (en) | 2017-05-04 | 2017-05-04 | A kind of multichannel bank stiling basin of dispersible energy dissipating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206971181U true CN206971181U (en) | 2018-02-06 |
Family
ID=61412945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720488061.6U Active CN206971181U (en) | 2017-05-04 | 2017-05-04 | A kind of multichannel bank stiling basin of dispersible energy dissipating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206971181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235385A (en) * | 2018-09-21 | 2019-01-18 | 昆明理工大学 | A kind of apron |
-
2017
- 2017-05-04 CN CN201720488061.6U patent/CN206971181U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235385A (en) * | 2018-09-21 | 2019-01-18 | 昆明理工大学 | A kind of apron |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104404926B (en) | Dam facing chooses the overfall dam of bank shunting energy dissipating | |
| CN110004891B (en) | Energy dissipation method for hydraulic and hydroelectric engineering | |
| CN104404925B (en) | Hydraulic structure porous becomes a mandarin colliding energy dissipation structure | |
| CN204753513U (en) | Dam with from energy dissipation function | |
| CN104775404A (en) | Steady flow friction reduction absorption basin | |
| CN204589947U (en) | A kind of current stabilization anti-attrition absorption basin | |
| CN109594534A (en) | It is differential to fall bank type stilling pond | |
| CN107386220B (en) | Gap split-flow type secondary dam structure | |
| CN108797530A (en) | A kind of multichannel bank stilling pond of dispersible energy dissipating | |
| CN204982814U (en) | Power that disappears structure in low water head dam low reaches riverbed | |
| CN108221843A (en) | A kind of discharge structure structure of water conservancy | |
| CN103669301B (en) | The height bank absorption basin of double-layer disperse energy dissipating | |
| CN109098152B (en) | Anti-cavitation facility of ladder overflow dam | |
| CN202626947U (en) | Picking flow type flaring pier of overflow dam | |
| CN206971181U (en) | A kind of multichannel bank stiling basin of dispersible energy dissipating | |
| CN207295658U (en) | Band falls the symmetrical broadening stiling basin of bank | |
| CN106498909A (en) | For spillway on bank or the defrlector bucket of flood discharge hole outlet | |
| CN206928256U (en) | Overfall dam flip trajectory bucket facility | |
| CN107663851A (en) | A kind of anti-cavitation curved Stepped Spillway of destruction | |
| CN111809579A (en) | Self-aeration ternary hydraulic jump stilling basin | |
| CN208088250U (en) | A kind of energy dissipating construction suitable for diffusion type discharge outlet | |
| CN208183679U (en) | A kind of underflow energy dissipation structure | |
| CN211421064U (en) | River bank spillway | |
| CN213682028U (en) | Combined energy dissipater of energy dissipation pier in diffusion type chute drop-expansion type underflow energy dissipation pool | |
| CN209412796U (en) | A kind of energy dissipation by hydraulic jump structure extending to stilling pond suitable for flaring gate pier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 614000 No.94 Jingyang Road, shaping Town, Ebian County, Leshan City, Sichuan Province Patentee after: Guoneng Dadu River shaping Power Generation Co.,Ltd. Address before: 614000 No.94 Jingyang Road, shaping Town, Ebian County, Leshan City, Sichuan Province Patentee before: GUODIAN DADU RIVER SHAPING HYDROPOWER CONSTRUCTION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |