CN209603090U - A kind of high-efficiency multi-stage spilling water gallery system - Google Patents
A kind of high-efficiency multi-stage spilling water gallery system Download PDFInfo
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- CN209603090U CN209603090U CN201822155968.8U CN201822155968U CN209603090U CN 209603090 U CN209603090 U CN 209603090U CN 201822155968 U CN201822155968 U CN 201822155968U CN 209603090 U CN209603090 U CN 209603090U
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- spilling water
- water gallery
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- valve system
- gallery
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 238000012423 maintenance Methods 0.000 claims abstract description 8
- 241001270131 Agaricus moelleri Species 0.000 claims description 10
- 239000013589 supplement Substances 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 3
- 210000000003 hoof Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of high-efficiency multi-stage spilling water gallery systems, including primary spilling water gallery and final stage spilling water gallery, high dam water blocking blowdown system step by step is provided in river, water blocking blowdown system includes the n primary valve system set gradually along streamflow direction to high dam step by step, secondary gate device and emptying valve system, primary valve system includes the maintenance lock well being set side by side and work lock well, secondary gate device includes emergency lock well, between the primary two neighboring primary valve system of spilling water gallery connection, the front and back river of final stage spilling water gallery connection emptying valve system.Using the technical solution of the utility model; head is set to successively decrease step by step by valve systems at different levels; excessive water flow is discharged in time by spilling water gallerys at different levels; valve systems at different levels are avoided to bear excessive water pressure; device and facility of the high dam step by step in water blocking blowdown system are protected, has ensured the safe and stable operation of system.
Description
Technical field
The utility model belongs to hydraulic and hydroelectric engineering technical field, is specifically related to a kind of high-efficiency multi-stage spilling water gallery system
System.
Background technique
The big library safety vent of high dam is the problem that current hydroelectric project is paid close attention to.Occur at present a kind of using flight of locks
Share the blowdown system that the mode of gross head can make the big library of high dam be vented to any depth.In Publication No. CN105220659B
State's utility model patent discloses a kind of big library ultra deep water blocking blowdown system of high dam and its operating method.System solves the problem existing
There is engineering roadblock, meets the big library emptying demand of high dam.But there are still following deficiencies for the structure: final stage gallery starting point connects in system
Take over a job thus gate shaft, end directly passes through gallery vertical shaft and is connected to final stage gates of segmental shape system downstream, and structure is poor for applicability, especially
When for final stage gates of segmental shape system and emergency gate distance farther out, project amount is larger, and difficulty of construction increases.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of high-efficiency multi-stage spilling water gallery system.
The utility model is achieved by following technical solution.
The utility model provides a kind of high-efficiency multi-stage spilling water gallery system, including primary spilling water gallery and final stage spilling water corridor
Road, excavating within ground has the tunnel being connected to water source, and high dam water blocking blowdown system step by step is provided on the tunnel, described
Water blocking blowdown system includes successively being arranged in juxtaposition at the beginning of n on the tunnel along the tunnel flow direction to high dam step by step
Grade valve system, secondary gate device and emptying valve system are to have pressure section A positioned at secondary gate device upstream tunnel, are located at
Tunnel between secondary gate device and the emptying valve system is to have pressure section B, is positioned at emptying valve system downstream tunnel
Without pressure section, the primary valve system includes the maintenance lock well being successively arranged in juxtaposition along flow direction in the tunnel and work
Lock well, the secondary gate device include emergency lock well, are respectively configured within the maintenance lock well, work lock well and emergency lock well
There are bulkhead gate, main gate and the emergency gate of the sliding of corresponding liftable, along flow direction in the tunnel, i-th
Main gate within primary valve system passes through the bulkhead gate within primary spilling water gallery and the primary valve system of i+1
Connection, wherein i≤n, it is described to there is pressure section B to be connected to described without pressure section by the final stage spilling water gallery.
Main gate within described i-th primary valve system passes through primary spilling water gallery and the primary gate of i+1
Bulkhead gate connection within device, wherein n >=2.
The primary spilling water gallery is arranged along horizontal direction, and its arrangement height is successively decreased step by step, connected to it first
The height of water level of work lock well within grade valve system is consistent.
The high-efficiency multi-stage spilling water gallery system further includes secondary spilling water gallery, wherein the last one primary valve system with
Interior main gate passes through secondary spilling water gallery has pressure section A to be connected to described.
It is described secondary spilling water gallery by arranged along horizontal direction horizontal segment, along vertical direction arrange vertical shaft section,
The concora crush section arranged along vertical direction joins end to end to be formed together, and vertical shaft section and concora crush section junction also pass through supplement spilling water
Gallery is connected to the emergency lock well, controls height of water level one in horizontal segment arrangement height and the last one primary valve system
It causes.
The cross section of the horizontal segment is one of rectangle, the shape of a hoof, circle or gateway opening shape.
Quantity at least one of the primary valve system.
The final stage spilling water gallery by arrange along vertical direction perpendicular leading portion, along horizontal direction be arranged in the emptying
Flat-top section above valve system forms together with successively joining end to end with the perpendicular back segment arranged along vertical direction, erect leading portion with
Described to have pressure section B connection, perpendicular back segment is connected to described without pressure section, flat-top section arrangement height and the emptying gate of final stage spilling water gallery
It is consistent that device controls water level elevation.
The cross section of the perpendicular leading portion, flat-top section and perpendicular back segment is rectangle, the shape of a hoof, circle or the city gate similar to city gate
One of hole shape.
The perpendicular back segment is located at the top without pressure section without pressure section junction with described.
The utility model has the beneficial effects that: using the technical solution of the utility model, when water flow flows through primary at different levels
When valve system, the pressure in water flow is successively decreased step by step, to reduce water flow to primary valve systems, secondary gate device at different levels
And the impact of emptying valve system, so that the safety and stability of valve systems or facility at different levels is protected, on the other hand,
When water flow is excessive is more than the receiving limit of valve systems at different levels or facility, excessive water flow then passes through primary spilling water corridor
Road, secondary spilling water gallery or the discharge of final stage spilling water gallery, so that the hydraulic balance between valve systems or facility at different levels is maintained,
Device or facility are protected, has ensured the operational safety of high dam water blocking blowdown system step by step.
Detailed description of the invention
Fig. 1 is the main view of the utility model；
Fig. 2 is the top view of the utility model.
In figure: 1- primary valve system, 2- secondary gate device, 3- empty valve system, 5- tunnel, 6- primary spilling water corridor
Road, 7- final stage spilling water gallery, 8- grade spilling water gallery, 9- augment spilling water gallery, and 11- empties lock chamber, 12- power-equipment, 13- row
Empty gate, 102- overhaul lock well, 103- work lock well, 104- bulkhead gate, 105- main gate, 202- emergency lock well, 203-
Emergency gate, 501- have pressure section A, 502- to have pressure section B, 503- without pressure section, and 701- erects leading portion, 702- flat-top section, and 703- erects back segment,
801- horizontal segment, 802- vertical shaft section, 803- concora crush section.
Specific embodiment
The technical solution of the utility model is further described with reference to the accompanying drawing, but claimed range is not limited to
It is described.
As shown in Figure 1 to Figure 2, including including primary spilling water gallery 6 and final stage spilling water gallery 7, excavated within ground have with
The tunnel 5 of water source connection, is provided with high dam water blocking blowdown system step by step on tunnel 5, water blocking blowdown system includes high dam step by step
N primary valve system 1, secondary gate device 2 and the row being successively arranged in juxtaposition along 5 flow direction of tunnel on tunnel 5
Empty valve system 3 is to have pressure section A501 positioned at 2 upstream tunnel 5 of secondary gate device, is located at secondary gate device 2 and emptying lock
Tunnel 5 between door gear 3 is to have pressure section B502, and being located at emptying 3 downstream tunnel 5 of valve system is without pressure section 503, primary gate
Device 1 includes the maintenance lock well 102 being successively arranged in juxtaposition along flow direction in tunnel 5 and work lock well 103, secondary gate dress
Setting 2 includes emergency lock well 202, is each configured within maintenance lock well 102, work lock well 103 and emergency lock well 202 and accordingly may be used
Bulkhead gate 104, main gate 105 and the emergency gate 203 of lifting carriage, along flow direction in tunnel 5, i-th primary
Main gate 105 within valve system 1 passes through primary spilling water gallery 6 and the maintenance lock within the primary valve system 1 of i+1
Door 104 is connected to, wherein i≤n has pressure section B502 to be connected to by final stage spilling water gallery 7 with without pressure section 503.
Using the technical solution of the utility model, when water flow flows through primary valve system at different levels, pressure in water flow by
Grade is successively decreased, so that the safety and stability of valve systems or facility at different levels is protected, on the other hand, when water flow is excessive super
When crossing the receiving limit of valve systems or facility at different levels, excessive water flow then passes through primary spilling water gallery, secondary spilling water gallery
Or the discharge of final stage spilling water gallery, to maintain the hydraulic balance between valve systems or facility at different levels, protects device or set
It applies, has ensured the operational safety of high dam water blocking blowdown system step by step.
Further, the main gate 105 within i-th of primary valve system 1 passes through primary spilling water gallery 6 and i+1
Bulkhead gate 104 within a primary valve system 1 is connected to, wherein n >=2.Primary spilling water gallery 6 arranges along horizontal direction,
And it arranges that the height of water level between height and the primary valve system 1 of its both ends connection is consistent.
In addition, high-efficiency multi-stage spilling water gallery system further includes secondary spilling water gallery 8, wherein the last one primary valve system
Main gate 105 within 1 passes through secondary spilling water gallery 8 and is connected to there is pressure section A501.
Further, secondary spilling water gallery 8 by arranged along horizontal direction horizontal segment 801, along vertical direction arrange
Vertical shaft section 802, the concora crush section 803 arranged along vertical direction join end to end and form together, vertical shaft section 802 and concora crush section
803 junctions also pass through supplement spilling water gallery 9 and are connected to emergency lock well 202.801 cloth of horizontal segment of the secondary spilling water gallery 8
It is consistent to set control height of water level in height the last one primary valve system 1 connected to it, the supplement arrangement height of spilling water gallery 9
It is consistent with the emptying control height of water level of valve system 3.The cross section of horizontal segment 801 is rectangle, the shape of a hoof, circle or is similar to
One of the gateway opening shape at city gate.
Further, quantity at least one of primary valve system 1.When the quantity of primary valve system 1 is 1, then overflow
Final stage spilling water gallery 7 or secondary spilling water gallery 8 can be only arranged in water gallery system.
Final stage spilling water gallery 7 by arrange along vertical direction perpendicular leading portion 701, emptying gate is arranged in along horizontal direction
The flat-top section 702 of 3 top of device forms together with successively joining end to end with the perpendicular back segment 703 arranged along vertical direction, before erecting
Section 701 is connected to there is pressure section B502, and perpendicular back segment 703 is connected to without pressure section 503.The flat-top section 702 of final stage spilling water gallery 7 arranges height
Degree is consistent with the supplement arrangement height of spilling water gallery 9.The cross section of perpendicular leading portion 701, flat-top section 702 and perpendicular back segment 703 is rectangle, horse
Ungulate, round or one of gateway opening shape similar to city gate.Perpendicular back segment 703 is located at without pressure 503 junction of section without pressure section
Bottom.Using the technical solution of the utility model, effectively excessive water flow can be discharged for spilling water gallerys at different levels, thus
Avoid valve systems or facility at different levels by biggish water impact, to protect valve systems or facility at different levels, to guarantee
The safety and stability of whole system.
In addition, emptying valve system 3 includes the emptying lock chamber 11 being set on tunnel 5, empties and installed within lock chamber 11
Dynamic equipment 12, emptying lock chamber 11 and 5 junction of tunnel connect configured with emptying gate 13, emptying gate 13 and power-equipment 12
It connects, makes emptying lock chamber 11 that can be connected or block with tunnel 5.Emptying gate 13 is arcuate shape.
The technical solution of the application is practiced by Kweiyang Co., Ltd, survey and design research institute, Chinese electric construction group investment,
In an implementation, subsidy, the Chinese electric construction scientific research of support [2017] 2865 are closed by science and technology supporting project science and technology item Guizhou Province section, Guizhou Province
The subsidy of project DJ-ZDXM-2017-05 achieves above-mentioned beneficial technical effect, while social benefit is good after implementation.
Claims (10)
1. a kind of high-efficiency multi-stage spilling water gallery system, it is characterised in that: including primary spilling water gallery (6) and final stage spilling water gallery
(7), excavating within ground has the tunnel (5) being connected to water source, and high dam water blocking emptying system step by step is provided on the tunnel (5)
System, water blocking blowdown system includes successively being arranged in juxtaposition along the tunnel (5) flow direction in the tunnel to the high dam step by step
(5) n primary valve system (1), secondary gate device (2) and emptying valve system (3) on, are located at secondary gate device
(2) upstream tunnel (5) is to have pressure section A (501), the tunnel being located between secondary gate device (2) and emptying valve system (3)
Hole (5) is to have pressure section B (502), and being located at emptying valve system (3) downstream tunnel (5) is without pressure section (503), the primary gate
Device (1) includes the maintenance lock well (102) being successively arranged in juxtaposition along the tunnel (5) interior flow direction and work lock well
(103), the secondary gate device (2) includes emergency lock well (202), the maintenance lock well (102), work lock well (103) and
Bulkhead gate (104), main gate (105) and the thing of corresponding liftable sliding are each configured within emergency lock well (202)
Therefore gate (203), the main gate (105) along the tunnel (5) interior flow direction, within i-th of primary valve system (1)
It is connected to by primary spilling water gallery (6) with the bulkhead gate (104) within the primary valve system (1) of i+1, wherein i≤n,
It is described to there is pressure section B (502) to be connected to described without pressure section (503) by the final stage spilling water gallery (7).
2. a kind of high-efficiency multi-stage spilling water gallery system according to claim 1, it is characterised in that: described i-th primary lock
Main gate (105) within door gear (1) passes through within primary spilling water gallery (6) and the primary valve system (1) of i+1
Bulkhead gate (104) connection, wherein n >=2.
3. a kind of high-efficiency multi-stage spilling water gallery system according to claim 1, it is characterised in that: the primary spilling water gallery
(6) it is arranged along horizontal direction, and its arrangement height is successively decreased step by step, the work within primary valve system (1) connected to it
The height of water level for making lock well (103) is consistent.
4. a kind of high-efficiency multi-stage spilling water gallery system according to claim 1, it is characterised in that: the high-efficiency multi-stage spilling water
Gallery system further includes secondary spilling water gallery (8), wherein the main gate (105) within the last one primary valve system (1)
There is pressure section A (501) to be connected to described by secondary spilling water gallery (8).
5. a kind of high-efficiency multi-stage spilling water gallery system according to claim 4, it is characterised in that: the secondary spilling water gallery
(8) by arranged along horizontal direction horizontal segment (801), the vertical shaft section (802), along vertical direction arranged along vertical direction
The concora crush section (803) of arrangement joins end to end to be formed together, and vertical shaft section (802) and concora crush section (803) junction also pass through supplement
Spilling water gallery (9) is connected to the emergency lock well (202), horizontal segment (801) arrangement height and the last one primary valve system
(1) control height of water level is consistent in.
6. a kind of high-efficiency multi-stage spilling water gallery system according to claim 5, it is characterised in that: the horizontal segment (801)
Cross section be one of rectangle, horseshoe or round.
7. a kind of high-efficiency multi-stage spilling water gallery system according to claim 1, it is characterised in that: the primary valve system
(1) quantity at least one.
8. a kind of high-efficiency multi-stage spilling water gallery system according to claim 1, it is characterised in that: the final stage spilling water gallery
(7) by arrange along vertical direction perpendicular leading portion (701), be arranged in above the emptying valve system (3) along horizontal direction
Flat-top section (702) and the perpendicular back segment (703) arranged along vertical direction successively join end to end and form together, erect leading portion
(701) pressure section B (502) is connected to described, perpendicular back segment (703) are connected to described without pressure section (503), final stage spilling water gallery (7)
Flat-top section (702) arrangement height with emptying valve system (3) control water level elevation it is consistent.
9. a kind of high-efficiency multi-stage spilling water gallery system according to claim 8, it is characterised in that: the perpendicular leading portion (701),
The cross section of flat-top section (702) and perpendicular back segment (703) is one of rectangle, horseshoe or round.
10. a kind of high-efficiency multi-stage spilling water gallery system according to claim 8, it is characterised in that: the perpendicular back segment (703)
It is located at the top without pressure section without pressure section (503) junction with described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155968.8U CN209603090U (en) | 2018-12-21 | 2018-12-21 | A kind of high-efficiency multi-stage spilling water gallery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155968.8U CN209603090U (en) | 2018-12-21 | 2018-12-21 | A kind of high-efficiency multi-stage spilling water gallery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209603090U true CN209603090U (en) | 2019-11-08 |
Family
ID=68396625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822155968.8U Expired - Fee Related CN209603090U (en) | 2018-12-21 | 2018-12-21 | A kind of high-efficiency multi-stage spilling water gallery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209603090U (en) |
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2018
- 2018-12-21 CN CN201822155968.8U patent/CN209603090U/en not_active Expired - Fee Related
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| 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: 20191108 |