CN209722906U - A kind of high flow rate runner bottom air entraining facilities - Google Patents
A kind of high flow rate runner bottom air entraining facilities Download PDFInfo
- Publication number
- CN209722906U CN209722906U CN201920361567.XU CN201920361567U CN209722906U CN 209722906 U CN209722906 U CN 209722906U CN 201920361567 U CN201920361567 U CN 201920361567U CN 209722906 U CN209722906 U CN 209722906U
- Authority
- CN
- China
- Prior art keywords
- side wall
- bank
- pipe laying
- runner
- choose
- 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
- 238000005273 aeration Methods 0.000 claims abstract description 56
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 238000005755 formation reaction Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 abstract description 9
- 230000003628 erosive Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000007599 discharging Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a kind of high flow rate runner bottom air entraining facilities, including side wall one and side wall two, bottom end between the side wall one and the side wall two is provided with pedestal, the side wall one is internally provided with side wall pipe laying one, the side wall two is internally provided with side wall pipe laying two, the pedestal is internally provided with bottom pipe laying, the top of the pedestal, which is provided with, chooses bank one, it chooses bank two and chooses bank three, it is described to choose bank one and described choose between bank two formation runner one, it is described to choose bank two and described choose between bank three formation runner two, it is described choose bank one be internally provided with aeration hole one, the inside for choosing bank two is disposed with aeration hole two and aeration hole three respectively, it is described choose bank three be internally provided with the aeration hole four being connected to the side wall pipe laying two, the other side on the pedestal top is provided with gentle slope.The utility model has the advantages that can guarantee air circulation, aeration effect is improved, effectively prevents cavitation erosion when flood discharge, the flood discharge suitable for high flow rate runner.
Description
Technical field
The utility model relates to hydraulic and hydroelectric engineering technical fields, it particularly relates to which a kind of high flow rate runner bottom is mixed
Gas facility.
Background technique
Demand with country to water power clean energy resource builds a large amount of high dam, has accordingly also built the height for flood discharge
The flood discharging tunnel of head, high flow rate.It is micro- that high-velocity flow turbulent fluctuation causes flow cavitation effect to form the concrete of flood discharging tunnel flow-passing surface
Small impact force, long term easily cause flood discharging tunnel cavitation erosion, to solve this problem, need to be to high-velocity flow bottom aeration to protect
Flow-passing surface.Flood discharging tunnel bottom aeration mostly stablizes negative pressure cavity using choosing bank or fall bank and form one in high-velocity flow bottom, using negative
Pressure effect, guarantees water flow aeration.Traditional air mixing corrosion reducing facility, which can be used, to be chosen bank, falls bank, aeration slot, side expansion nd various combinations thereof
Pattern, figure and size generally should be verified and optimize through hydraulic model test.The arrangement of flood discharging tunnel by the hydrology, geology, landform,
The many factors such as water conservancy project, construction, water conservancy diversion restrict, especially in high mountain diagonal valley area, by the restriction of various factors, arranged type
Formula is often complex, includes that crimping comes back without pressure, dragon, straight slope adds dragon to fall tail.And many flood discharging tunnel flows are big at present, flow velocity
The pattern of height, current existing air mixing corrosion reducing facility is not possible to meet the engineering demand of various complex conditions.Therefore existing skill
There are no a kind of pair of engineering complex conditions are adaptable in art, can the high flow rate runner bottom aeration of effective aeration effect set
It applies.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
The utility model proposes a kind of high flow rate runner bottom air entraining facilities, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of high flow rate runner bottom air entraining facilities, including side wall one and side wall two, the side wall one and the side wall two
Between top be provided with crown wall, the bottom end between the side wall one and the side wall two is provided with pedestal, the side wall one
Be internally provided with side wall pipe laying one, the side wall two is internally provided with side wall pipe laying two, the pedestal be internally provided with
The bottom pipe laying that the side wall pipe laying one is connected to the side wall pipe laying two, the top of the pedestal is close to the one of the side wall one
Side, which is provided with, chooses bank one, and the middle position on the pedestal top, which is provided with, chooses bank two, and the top of the pedestal is close to the side wall
Two side, which is provided with, chooses bank three, it is described choose bank one and it is described choose between bank two formation runner one, it is described to choose bank two and described choose
Runner two is formed between bank three, the aeration hole one being connected to the side wall pipe laying one that is internally provided with for choosing bank one is described
The inside for choosing bank two is disposed with the aeration hole two and aeration hole three being connected to the bottom pipe laying respectively, the bank three of choosing
It is internally provided with the aeration hole four being connected to the side wall pipe laying two, the other side on the pedestal top is provided with gentle slope.
Further, the bottom end of one side of side wall is provided with the drainage hole one being connected to the bottom pipe laying, described
The bottom end of two side of side wall is provided with the drainage hole two being connected to the bottom pipe laying.
Further, it is described choose bank one, it is described choose bank two and it is described choose bank three be higher than close to the one end on the gentle slope it is described
Bank one is chosen, described bank two chosen and described chooses the one end of bank three far from the gentle slope.
Further, the runner one and the runner two are close to the one end on the gentle slope lower than the runner one and described
The one end of runner two far from the gentle slope.
Further, the bottom end difference in the aeration hole one, the aeration hole two, aeration hole three and the aeration hole four is equal
For incline structure.
Further, the gentle slope is curved face type structure.
Compared with prior art, the utility model has the following beneficial effects:
(1), by setting side wall pipe laying one, side wall pipe laying two and bottom pipe laying, so as to guarantee the circulation of air；
(2), by setting aeration hole one, aeration hole two, aeration hole three and aeration hole four, aeration is thus allowed for, is had
Effect avoids cavitation erosion when flood discharge；
(3), bank one is chosen, bank two is chosen and chooses bank three by setting, so as to improve aeration effect；
(4), by setting drainage hole one and drainage hole two, so as to by the pipe laying of bottom into water be discharged, guarantee empty
The circulation of gas.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 be according to the structural schematic diagrams of high flow rate runner bottom air entraining facilities of the utility model embodiment a kind of it
One；
Fig. 2 be according to the structural schematic diagrams of high flow rate runner bottom air entraining facilities of the utility model embodiment a kind of it
Two.
Appended drawing reference:
1, side wall one；2, side wall two；3, crown wall；4, pedestal；5, side wall pipe laying one；6, side wall pipe laying two；7, bottom pipe laying；
8, bank one is chosen；9, bank two is chosen；10, bank three is chosen；11, runner one；12, runner two；13, aeration hole one；14, aeration hole two；15, it mixes
Stomata three；16, aeration hole four；17, gentle slope；18, drainage hole one；19, drainage hole two.
Specific embodiment
In the following, making further description to utility model in conjunction with attached drawing and specific embodiment:
Referring to FIG. 1-2, according to the high flow rate runner bottom air entraining facilities of the utility model embodiment, including side wall 1
With side wall 22, the top between the side wall 1 and the side wall 22 is provided with crown wall 3, the side wall 1 and the side wall
Bottom end between 22 is provided with pedestal 4, and the side wall 1 is internally provided with side wall pipe laying 1, the inside of the side wall 22
It is provided with side wall pipe laying 26, being internally provided with for the pedestal 4 is connected to the side wall pipe laying 1 and the side wall pipe laying 26
Bottom pipe laying 7, the top of the pedestal 4 is provided with close to the side of the side wall 1 chooses bank 1,4 top of pedestal
Middle position, which is provided with, chooses bank 29, and the top of the pedestal 4 is provided with close to the side of the side wall 22 chooses bank 3 10, described
Choose bank 1 and it is described choose between bank 29 formation runner 1, it is described to choose bank 29 and described choose formation runner two between bank 3 10
12, the aeration hole 1 being connected to the side wall pipe laying 1 that is internally provided with for choosing bank 1, the inside for choosing bank 29
It is disposed with the aeration hole 2 14 and aeration hole 3 15 being connected to the bottom pipe laying 7, the inside for choosing bank 3 10 respectively
It is provided with the aeration hole 4 16 being connected to the side wall pipe laying 26, the other side on 4 top of pedestal is provided with gentle slope 17.
By the above scheme of the utility model, can be buried by setting side wall pipe laying 1, side wall pipe laying 26 and bottom
Pipe 7 passes through setting aeration hole 1, aeration hole 2 14, aeration hole 3 15 and aeration hole four so as to guarantee the circulation of air
16, aeration is thus allowed for, cavitation erosion when flood discharge is effectively prevented, bank 1 is chosen by setting, choose bank 29 and chooses bank
3 10, so as to improve aeration effect, by setting drainage hole 1 and drainage hole 2 19, so as to by bottom pipe laying 7
It is interior into water discharge, guarantee the circulation of air.
In specific application, the bottom end of one 1 side of side wall is provided with the drainage hole one being connected to the bottom pipe laying 7
18, the bottom end of 22 side of side wall is provided with the drainage hole 2 19 being connected to the bottom pipe laying 7, described to choose bank 1, institute
State choose bank 29 and it is described choose bank 3 10 and be higher than close to the one end on the gentle slope 17 described choose bank 1, the bank 29 and described chosen
The one end of bank 3 10 far from the gentle slope 17 is chosen, the runner 1 is low close to the one end on the gentle slope 17 with the runner 2 12
In the one end of the runner 1 and the runner 2 12 far from the gentle slope 17, the aeration hole 1, the aeration hole two
14, the bottom end in aeration hole 3 15 and the aeration hole 4 16 is incline structure respectively, and the gentle slope 17 is curved face type structure.
In conclusion by means of the above-mentioned technical proposal of the utility model, by the way that side wall pipe laying 1, side wall pipe laying is arranged
26 and bottom pipe laying 7, so as to guarantee the circulation of air, pass through setting aeration hole 1, aeration hole 2 14, aeration hole three
15 and aeration hole 4 16, aeration is thus allowed for, cavitation erosion when flood discharge is effectively prevented, bank 1 is chosen by setting, is chosen
Bank 29 and bank 3 10 is chosen, so as to improve aeration effect, by setting drainage hole 1 and drainage hole 2 19, so as to
By in bottom pipe laying 7 into water discharge, guarantee the circulation of air.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of high flow rate runner bottom air entraining facilities, which is characterized in that including side wall one (1) and side wall two (2), the side wall
Top between one (1) and the side wall two (2) is provided with crown wall (3), between the side wall one (1) and the side wall two (2)
Bottom end be provided with pedestal (4), the side wall one (1) is internally provided with side wall pipe laying one (5), the side wall two (2) it is interior
Portion is provided with side wall pipe laying two (6), and being internally provided with for the pedestal (4) is buried with the side wall pipe laying one (5) and the side wall
The bottom pipe laying (7) of pipe two (6) connection, the top of the pedestal (4) is provided with close to the side of the side wall one (1) chooses bank one
(8), the middle position on pedestal (4) top, which is provided with, chooses bank two (9), and the top of the pedestal (4) is close to the side wall two
(2) side, which is provided with, chooses bank three (10), it is described choose bank one (8) and it is described choose between bank two (9) formation runner one (11), it is described
It chooses bank two (9) and described choose forms runner two (12) between bank three (10), it is described to choose being internally provided with and the side for bank one (8)
The aeration hole one (13) of wall pipe laying one (5) connection, the inside for choosing bank two (9) is disposed with and the bottom pipe laying respectively
(7) the aeration hole two (14) and aeration hole three (15) being connected to, it is described to choose being internally provided with and the side wall pipe laying for bank three (10)
The aeration hole four (16) of two (6) connection, the other side on pedestal (4) top is provided with gentle slope (17).
2. a kind of high flow rate runner bottom according to claim 1 air entraining facilities, which is characterized in that the side wall one (1)
The bottom end of side is provided with the drainage hole one (18) being connected to the bottom pipe laying (7), and the bottom end of side wall two (2) side is set
It is equipped with the drainage hole two (19) being connected to the bottom pipe laying (7).
3. a kind of high flow rate runner bottom according to claim 1 air entraining facilities, which is characterized in that it is described choose bank one (8),
It is described choose bank two (9) and it is described choose bank three (10) and be higher than close to the one end of the gentle slope (17) described choose bank one (8), described choose bank
Two (9) and described one end for choosing bank three (10) separate the gentle slope (17).
4. a kind of high flow rate runner bottom according to claim 1 air entraining facilities, which is characterized in that the runner one (11)
It is separate lower than the runner one (11) and the runner two (12) close to the one end of the gentle slope (17) with the runner two (12)
One end of the gentle slope (17).
5. a kind of high flow rate runner bottom according to claim 1 air entraining facilities, which is characterized in that the aeration hole one
(13), the bottom end of the aeration hole two (14), aeration hole three (15) and the aeration hole four (16) is incline structure respectively.
6. a kind of high flow rate runner bottom according to claim 1 air entraining facilities, which is characterized in that the gentle slope (17) is
Curved face type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361567.XU CN209722906U (en) | 2019-03-20 | 2019-03-20 | A kind of high flow rate runner bottom air entraining facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361567.XU CN209722906U (en) | 2019-03-20 | 2019-03-20 | A kind of high flow rate runner bottom air entraining facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209722906U true CN209722906U (en) | 2019-12-03 |
Family
ID=68687666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920361567.XU Expired - Fee Related CN209722906U (en) | 2019-03-20 | 2019-03-20 | A kind of high flow rate runner bottom air entraining facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209722906U (en) |
-
2019
- 2019-03-20 CN CN201920361567.XU patent/CN209722906U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112281770A (en) | Flood discharge structure adopting bottom hole and surface hole combined flood discharge and energy dissipation | |
| CN106930199A (en) | Improve the fairing of arc Box-shaped Drainage Culvert water outlet fluidised form | |
| CN102619200B (en) | Energy dissipation method of sidewall aeration steps and outlet submerged flip bucket of inclined shaft type flood discharge tunnel | |
| CN109098152A (en) | A kind of anti-cavitation facility of Stepped Spillway | |
| CN108442340A (en) | A kind of three-dimensional whole-section aeration bank | |
| CN209722906U (en) | A kind of high flow rate runner bottom air entraining facilities | |
| CN205088648U (en) | High -velocity flow for flood discharge air defense lose flood discharge hole | |
| CN101538842B (en) | Heterotype sudden enlargement and sudden drop aerator | |
| CN111119139A (en) | Rotational flow shaft type energy dissipation structure | |
| CN113265991B (en) | Method for rebuilding multiple diversion tunnels into rotational flow vertical shaft flood discharge system | |
| CN212896234U (en) | Connection structure of bank spillway slow-leveling section and steep groove section | |
| CN111809579B (en) | Self-aeration ternary hydraulic jump stilling basin | |
| CN211421064U (en) | River bank spillway | |
| CN109083107B (en) | Aeration facility for forming aeration cavity by utilizing water flow centripetal force inertia turbulence | |
| CN206971181U (en) | A kind of multichannel bank stiling basin of dispersible energy dissipating | |
| CN207525718U (en) | A kind of flood discharging tunnel gentle slope and abrupt slope connection structure | |
| CN208151985U (en) | Sluice " L " type trash rack pier and its " zigzag " arragement construction | |
| CN107724348A (en) | A kind of flood discharging tunnel gentle slope and abrupt slope attachment structure | |
| CN204225059U (en) | Air entraining facilities bottom high flow rate runner | |
| CN111101491A (en) | Asymmetric steering contraction differential flip bucket body type | |
| CN109750641A (en) | Energy dissipation below spillway arragement construction when the difference discharge structure centralized arrangement of hydroelectric project bank | |
| CN218969937U (en) | Bottom aeration structure of flood discharge facility | |
| CN209779578U (en) | Flood discharge and energy dissipation structure of gravity dam with narrow river valley, deep tail water and super-large single-wide flow curve | |
| CN211898237U (en) | Energy dissipation spillway | |
| CN203977377U (en) | Sediment trapping training for sediment structure |
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: 20191203 Termination date: 20210320 |