CN205501944U - To downstream water supply structure suitable for high arch dam - Google Patents
To downstream water supply structure suitable for high arch dam Download PDFInfo
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- CN205501944U CN205501944U CN201620299906.2U CN201620299906U CN205501944U CN 205501944 U CN205501944 U CN 205501944U CN 201620299906 U CN201620299906 U CN 201620299906U CN 205501944 U CN205501944 U CN 205501944U
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- diversion tunnel
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- induced joint
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Abstract
The utility model relates to a to downstream water supply structure suitable for high arch dam. The utility model discloses an along the river, say the high arch dam that width direction set up, high arch dam has a water conservancy diversion bottom outlet, and river course coast still is equipped with the diversion tunnel of entry end and high arch dam upper river intercommunication, exit end and high arch dam low reaches river course intercommunication, and the diversion tunnel is including high import diversion tunnel, low import diversion tunnel, and the floor elevation of high import diversion tunnel is less than the floor elevation of water conservancy diversion bottom outlet, is higher than the floor elevation of low import diversion tunnel, and water conservancy diversion bottom outlet, high import diversion tunnel, the low diversion tunnel of importing all are equipped with the gate. The utility model discloses a water conservancy diversion is construct and is arranged, adopts the diversion tunnel and the water conservancy diversion bottom outlet of different elevations to the relay mode satisfies ecological flow requirement to downstream water supply.
Description
Technical field
This utility model relates to a kind of downstream water-supply structure being applicable to induced joint, belongs to Hydraulic and Hydro-Power Engineering field.
Background technology
After reservoir, power station water retaining structure build up, lock water-retention under the diversion tunnel that early stage sluices, during lower lock water-retention, past
Cross stream toward due to other drainage galleries of the lowest elevation, downstream can be caused to stop.Downstream river course stops, can be to downstream Living Industry
Impacting with water, ecological environment, environmental protection simultaneously is distinctly claimed downstream and allows cutout, needs downwards under diversion tunnel during lock water-retention
Trip water supply meets ecological flow requirement.Therefore, in current reservoir, power plant construction, how to solve downstream water supply during lower lock water-retention
Problem increasingly comes into one's own.
In order to meet downstream water supply, be typically employed in diversion tunnel lock chamber arranged alongside bypass hole or bypass pipe water supply, pumping for water pump,
Siphon supplies water, fetch water in tributary, downstream, downstream river course sets the measures such as interim barrage water-retention and supplies water.Wherein bypass pipe water supply, water
Pumping water, siphon supply water, fetch water in tributary, downstream, downstream river course sets the measure discharges such as interim barrage water-retention and is difficult to satisfied working as
Let out ecological flow requirement under front great rivers, and set bypass hole water supply measure and need separately to set building, complicated organization, investment
Greatly.
The current permanent outlet structure escape works of induced joint usually dam body aperture flood discharge or dam body aperture combine flood discharging tunnel associating flood discharge, dam body
Aperture is divided into low-leveled outlet, table hole, and cooperatively forms the Er Daoba of energy dissipating cushion pool.In order to build arch dam, early stage is needed to build
Lan Duan river, upstream and downstream cofferdam, lets out river by under diversion tunnel.Under diversion tunnel after lock, the permanent flood releasing structure of dam is the completeest
Build, separately set bottom diversion outlet flood discharge by needs in dam body lower, meet under diversion tunnel water conservancy diversion after lock.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of economically viable downstream water supply knot being applicable to induced joint
Structure, downstream can supply water during lock water-retention under diversion tunnel.
The downstream water-supply structure being applicable to induced joint is the technical scheme is that by the above-mentioned technical problem this utility model of solution,
Including the induced joint arranged along river course width, induced joint has bottom diversion outlet, and river course bank is additionally provided with arrival end and induced joint
The diversion tunnel that upper river connection, the port of export connect with induced joint downstream river course, diversion tunnel includes high import diversion tunnel, low import
Diversion tunnel, the floor elevation of the high import diversion tunnel floor elevation less than bottom diversion outlet, the floor elevation higher than low import diversion tunnel,
Bottom diversion outlet, high import diversion tunnel, low import diversion tunnel are equipped with gate.
Further: the arrival end of low import diversion tunnel arranges lock chamber, and lock chamber uses two pore structures, and the holes of lock chamber is respectively provided with
Gate.
Further: the arrival end of high import diversion tunnel arranges lock chamber, and lock chamber uses two pore structures, and the holes of lock chamber sets respectively
Put gate.
Further: the arrival end of bottom diversion outlet arranges closure gate, the port of export of bottom diversion outlet arranges gates of segmental shape.
Further: induced joint top layout has table hole, induced joint middle and lower part to be disposed with deep hole, deep hole sets higher than bottom diversion outlet
Put.
Further: the downstream river course of induced joint is provided with Er Daoba, Er Daoba along river course width and is positioned at the outlet of diversion tunnel
End upstream, the crest elevation on two dams, road is less than the floor elevation of bottom diversion outlet.
The beneficial effects of the utility model are: during enforcement, first pass through low import diversion tunnel toward downstream water supply；Treat induced joint upstream
Reservoir level stop up height to by sluicing stream under high import diversion tunnel meet downstream ecology water supply time, close the lock of low import diversion tunnel
Door, by high import diversion tunnel toward downstream water supply；Treat that the reservoir level of induced joint upstream stops up height to by the stream that sluices under bottom diversion outlet
When meeting downstream ecology water supply, close the gate of high import diversion tunnel, by bottom diversion outlet toward downstream water supply；Treat in reserve-water-level
Rise to pass through permanent outlet structure escape works (dam body aperture, flood discharging tunnel etc.) when downstream supplying water, can carry out under bottom diversion outlet
Lock blocks.High and low import diversion tunnel elevation, the relative relief of bottom diversion outlet elevation are arranged to be needed to meet ecological flow relay mode
The requirement downstream supplied water.This utility model passes through water conservancy diversion building arrangements, uses diversion tunnel and the bottom diversion outlet of different elevation, with
Relay mode downstream supplies water and meets ecological flow requirement.Which is increased without other Architectural Equipments, is directly built by water conservancy diversion
Downstream water supply can be completed, reach economically viable effect.
Accompanying drawing explanation
Fig. 1 is elevation of the present utility model；
Fig. 2 is plane graph of the present utility model；
Fig. 3 is the floor map of induced joint；
Fig. 4 is the elevational schematic view of induced joint；
Fig. 5 is the vertical section schematic diagram of diversion tunnel；
Fig. 6 is the structural representation of lock chamber；
Fig. 7 is the A-A view of Fig. 6；
Fig. 8 is the B-B view of Fig. 6；
Fig. 9 is the C-C view of Fig. 6；
Figure 10 is the D-D view of Fig. 6；
Labelling in figure: 1-induced joint, 11-bottom diversion outlet, 12-deep hole, 13-table hole, 2-height import diversion tunnel, 3-are low, and import is led
Stream hole, 4-block gate, 5-gates of segmental shape, dam, 6-bis-road.
Detailed description of the invention
For ease of understanding and implementing this utility model, select preferred embodiment of the present utility model to combine accompanying drawing and be described further.
As shown in Fig. 1～Fig. 5, this utility model includes the induced joint 1 arranged along river course width, and induced joint 1 has water conservancy diversion
Bottom outlet 11, river course bank is additionally provided with that arrival end connects with induced joint 1 upper river, the port of export connects with induced joint 1 downstream river course
Diversion tunnel, diversion tunnel includes high import diversion tunnel 2, low import diversion tunnel 3, and the floor elevation of high import diversion tunnel 2 is less than leading
The floor elevation of stream bottom outlet 11, higher than the floor elevation of low import diversion tunnel 3, bottom diversion outlet 11, high import diversion tunnel 2, low
Import diversion tunnel 3 is equipped with gate.Number and the size of bottom diversion outlet 11 determine according to later stage diversion standards；High import is led
Stream hole 2, low import diversion tunnel 3 can be located at same riverbank, it is also possible to set up two sides, river course separately.
Preferably, as shown in Fig. 6～Figure 10, the arrival end of low import diversion tunnel 3 arranges lock chamber, and lock chamber uses two pore structures,
The holes of lock chamber is respectively provided with gate.The arrival end of high import diversion tunnel 2 arranges lock chamber, and lock chamber uses two pore structures, lock chamber
Holes is respectively provided with gate.Diversion tunnel uses the mode of twice gate Parallel Control, can control the stream of diversion tunnel during water-retention
Amount, facilitates downstream water supply during water-retention.
Preferably, the arrival end of bottom diversion outlet 11 arranges closure gate 4, and the port of export of bottom diversion outlet 11 arranges gates of segmental shape 5.
During by bottom diversion outlet 11 toward downstream water supply, let out by gates of segmental shape 5 control during water-retention and downstream supply water, treat that reserve-water-level rises
To can pass through permanent outlet structure escape works (dam body aperture, flood discharging tunnel etc.) downstream supply water time, can be by blocking gate 4 times
Lock closure bottom diversion outlet 11.Use this structure, better assure that downstream water supply during water-retention.
This utility model preferably employs following permanent outlet structure escape works structure: induced joint 1 top layout has table hole 13, induced joint
1 middle and lower part is disposed with deep hole 12, and deep hole 12 is arranged higher than bottom diversion outlet 11.
It addition, this utility model is further preferably provided with the Er Daoba for energy dissipating, two dams, road 6 are on the downstream river course edge of induced joint 1
River width direction is arranged, and the port of export upstream of diversion tunnel is located on two dams, road 6, and the crest elevation on two dams, road 6 is less than bottom diversion outlet
The floor elevation of 11.
Preferred embodiment:
This utility model includes the induced joint 1 arranged along river course width, and induced joint 1 has bottom diversion outlet 11, and river course is littoral
It is additionally provided with the diversion tunnel that arrival end connects, the port of export connects with induced joint 1 downstream river course, diversion tunnel with induced joint 1 upper river
Including high import diversion tunnel 2, low import diversion tunnel 3, the floor elevation of high import diversion tunnel 2 is less than the base plate of bottom diversion outlet 11
Elevation, floor elevation higher than low import diversion tunnel 3, bottom diversion outlet 11, high import diversion tunnel 2, low import diversion tunnel 3 are equal
It is provided with gate；The arrival end of low import diversion tunnel 3 arranges lock chamber, and lock chamber uses two pore structures, and the holes of lock chamber is respectively provided with lock
Door；The arrival end of high import diversion tunnel 2 arranges lock chamber, and lock chamber uses two pore structures, and the holes of lock chamber is respectively provided with gate；Lead
The arrival end of stream bottom outlet 11 arranges closure gate 4, and the port of export of bottom diversion outlet 11 arranges gates of segmental shape 5；Induced joint 1 top cloth
Being equipped with table hole 13, induced joint 1 middle and lower part is disposed with deep hole 12, and deep hole 12 is arranged higher than bottom diversion outlet 11；Induced joint 1 time
Trip river course is provided with two dams, road 6 along river course width, and the port of export upstream of diversion tunnel, the dam on two dams, road 6 are located in two dams, road 6
Crest level is less than the floor elevation of bottom diversion outlet 11.
Work process during enforcement: low import diversion tunnel 3 first gate hole under first, flows by sluicing under its second gate hole
Meet downstream ecology to supply water；Treat that the reservoir level of induced joint 1 upstream stops up height to sluicing under stream meets by high import diversion tunnel 2 times
When trip ecology supplies water, lower low import diversion tunnel 3 second gate hole；
After treating the reservoir level heap soil or fertilizer over and around the roots high stable of induced joint 1 upstream, high import diversion tunnel 2 every hole letdown flow exceedes downstream ecology
Flow, this highest import diversion tunnel 2 first gate hole, downstream ecology can be met by sluicing stream under the second gate hole and supply water；
Until the reservoir level of induced joint 1 upstream rise to bottom diversion outlet 11 letdown flow exceed downstream ecology flow time, lower high import water conservancy diversion
Hole 2 second gate hole, meets downstream ecology by 11 times sluicing streams of bottom diversion outlet and supplies water；
Let out by gates of segmental shape 5 control of bottom diversion outlet 11 during water-retention and downstream supply water, treat that reserve-water-level rises to pass through forever
When chronic diarrhea water buildings (deep hole 12, table hole 13) downstream supplies water, can be by 4 times locks of closure gate of bottom diversion outlet 11
Closure.
High and low import diversion tunnel elevation, the relative relief of bottom diversion outlet elevation arrange that to need to meet ecological flow relay mode downward
The requirement that trip is supplied water.
Claims (6)
- null1. it is applicable to the downstream water-supply structure of induced joint，Including the induced joint (1) arranged along river course width，Induced joint (1) has bottom diversion outlet (11)，It is characterized in that: river course bank is additionally provided with arrival end and connects with induced joint (1) upper river、The diversion tunnel that the port of export connects with induced joint (1) downstream river course，Diversion tunnel includes high import diversion tunnel (2)、Low import diversion tunnel (3)，The top board elevation of high import diversion tunnel (2) is less than the top board elevation of bottom diversion outlet (11)、Floor elevation higher than bottom diversion outlet (11)，The floor elevation of high import diversion tunnel (2) is less than the floor elevation of bottom diversion outlet (11)、Floor elevation higher than low import diversion tunnel (3)，The top board elevation of low import diversion tunnel (3) is less than the top board elevation of high import diversion tunnel (2)、Floor elevation higher than high import diversion tunnel (2)，Bottom diversion outlet (11)、High import diversion tunnel (2)、Low import diversion tunnel (3) is equipped with gate.
- It is applicable to the downstream water-supply structure of induced joint the most as claimed in claim 1, it is characterised in that: the arrival end of low import diversion tunnel (3) arranges lock chamber, and lock chamber uses two pore structures, and the holes of lock chamber is respectively provided with gate.
- It is applicable to the downstream water-supply structure of induced joint the most as claimed in claim 1, it is characterised in that: the arrival end of high import diversion tunnel (2) arranges lock chamber, and lock chamber uses two pore structures, and the holes of lock chamber is respectively provided with gate.
- It is applicable to the downstream water-supply structure of induced joint the most as claimed in claim 1, it is characterized in that: the arrival end of bottom diversion outlet (11) arranges closure gate (4), and the port of export of bottom diversion outlet (11) arranges gates of segmental shape (5).
- 5. the downstream water-supply structure being applicable to induced joint as according to any one of Claims 1 to 4, it is characterized in that: induced joint (1) top layout has table hole (13), induced joint (1) middle and lower part is disposed with deep hole (12), and deep hole (12) is arranged higher than bottom diversion outlet (11).
- 6. the downstream water-supply structure being applicable to induced joint as according to any one of Claims 1 to 4, it is characterized in that: the downstream river course of induced joint (1) is provided with Er Daoba (6) along river course width, the port of export upstream of diversion tunnel is located in two dam, roads (6), and the crest elevation of Er Daoba (6) is less than the floor elevation of bottom diversion outlet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620299906.2U CN205501944U (en) | 2016-04-12 | 2016-04-12 | To downstream water supply structure suitable for high arch dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620299906.2U CN205501944U (en) | 2016-04-12 | 2016-04-12 | To downstream water supply structure suitable for high arch dam |
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| CN205501944U true CN205501944U (en) | 2016-08-24 |
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| CN201620299906.2U Active CN205501944U (en) | 2016-04-12 | 2016-04-12 | To downstream water supply structure suitable for high arch dam |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797526A (en) * | 2018-07-27 | 2018-11-13 | 中国电建集团成都勘测设计研究院有限公司 | Multifunctional ecological for extra-high rock-fill dams is for water hole arrangement |
| CN108959815A (en) * | 2018-07-26 | 2018-12-07 | 中国电建集团成都勘测设计研究院有限公司 | The optimum design method of induced joint diversion tunnel size |
| CN109295940A (en) * | 2018-11-19 | 2019-02-01 | 黄河勘测规划设计有限公司 | The water supply bottom hole structure and remodeling method being transformed using bottom diversion outlet |
| CN117646404A (en) * | 2024-01-29 | 2024-03-05 | 陕西省水利电力勘测设计研究院 | System and method for discharging ecological flow in whole process of hydraulic junction engineering |
-
2016
- 2016-04-12 CN CN201620299906.2U patent/CN205501944U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108959815A (en) * | 2018-07-26 | 2018-12-07 | 中国电建集团成都勘测设计研究院有限公司 | The optimum design method of induced joint diversion tunnel size |
| CN108797526A (en) * | 2018-07-27 | 2018-11-13 | 中国电建集团成都勘测设计研究院有限公司 | Multifunctional ecological for extra-high rock-fill dams is for water hole arrangement |
| CN109295940A (en) * | 2018-11-19 | 2019-02-01 | 黄河勘测规划设计有限公司 | The water supply bottom hole structure and remodeling method being transformed using bottom diversion outlet |
| CN109295940B (en) * | 2018-11-19 | 2023-12-26 | 黄河勘测规划设计研究院有限公司 | Water supply bottom hole structure reconstructed by using diversion bottom hole and reconstruction method |
| CN117646404A (en) * | 2024-01-29 | 2024-03-05 | 陕西省水利电力勘测设计研究院 | System and method for discharging ecological flow in whole process of hydraulic junction engineering |
| CN117646404B (en) * | 2024-01-29 | 2024-05-03 | 陕西省水利电力勘测设计研究院 | System and method for discharging ecological flow in whole process of hydraulic junction engineering |
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