CN109667250A - Stratified pumping stand alone type water inlet tower structure for high-head power station - Google Patents
Stratified pumping stand alone type water inlet tower structure for high-head power station Download PDFInfo
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- CN109667250A CN109667250A CN201910129740.8A CN201910129740A CN109667250A CN 109667250 A CN109667250 A CN 109667250A CN 201910129740 A CN201910129740 A CN 201910129740A CN 109667250 A CN109667250 A CN 109667250A
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- Prior art keywords
- stoplog
- gate
- tower
- water inlet
- emergency repair
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
- E02B9/04—Free-flow canals or flumes; Intakes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/085—Arresting devices for waterborne materials, e.g. gratings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Barrages (AREA)
Abstract
The invention discloses a kind of stratified pumping stand alone type water inlet tower structures for high-head power station, including bottom plate, tower body, grid pier, trash rack, stoplog groove, stoplog gate flap, Stoplog gate library, emergency repair gate slot, venthole, emergency repair gate, diversion tunnel, trash rack is located in grid pier, stoplog groove, Stoplog gate library, emergency repair gate slot and venthole are located in tower body, crossbeam connection is passed sequentially through positioned at multiple grid piers of water inlet, form the polygon fence frame structure of the class arc protruded to water inlet direction, trash rack is provided between two neighboring grid pier, stoplog groove and Stoplog gate library Parallel to the flow direction arrangement, fixed hydraulic headstock gear is installed on the tower top in emergency overhaul gate groove top portion, emergency repair gate is suspended below fixed hydraulic headstock gear, by fixed hydraulic headstock gear along under emergency repair gate slot Emergency repair closing gate diversion tunnel drops.The present invention is reduced the horizontal water flow of tower body leading edge to width, is increased trash rack area, reduce head loss by setting class curved trash rack frame structure.
Description
Technical field
The present invention relates to a kind of water inlet tower structure, especially a kind of stratified pumping stand alone type for high-head power station is intake
Tower structure.
Background technique
The large and medium-sized hydroelectric project in library big for high dam, storage capacity is big, the library depth of water, makes original natural river course water temperature in space-time
A degree of change occurs in distribution, water temperature generally forms vertical distribution in library, and surface temperature is high, and bottom temp is low, for hair
The considerations of electric benefit, power station intake tower is then generally fetched water using deep hole, therefore the more former natural river course water temperature of lower sluicing temperature is low, under
Trip ecological environment causes a degree of adverse effect.Therefore, it by stratified pumping power station intake tower water intaking library superficial water, improves
Lower sluicing temperature, improves the ecological environment and is necessary.
Large and medium-sized power station stratified pumping intake tower mainly uses stoplog gate-type stratified pumping intake tower both at home and abroad at present, such as schemes
1, shown in 2.For the reservoir stratified pumping intake tower of medium-small flow, as shown in Figure 3,4.
As shown in Figure 1, 2, traditional large and medium-sized power station stoplog gate-type stratified pumping intake tower is to be arranged in Stoplog gate to block
On dirty grid pier 21.The linear arrangement of trash rack structure, stoplog groove 22 are arranged on trash rack pier 21, and Stoplog gate library 23 is arranged
In trash rack abutment pier two sides, Stoplog gate library is moved to according to the horizontal water (flow) direction of stoplog gate flap that Reservoir Water Level opens and closes corresponding elevation
23, realize stratified pumping.Advantage is that single-unit stoplog gate flap size is relatively small, and opening and closing load is relatively small.The disadvantage is that same height
Journey Stoplog gate aperture and gate flap quantity are more, and stoplog gate flap sum is more, and required 23 size of Stoplog gate library is big, and Stoplog gate opens and closes the period
Long, operation is complicated；Trash rack structure linear arrangement causes the horizontal water (flow) direction structure size of intake tower excessive, and investment is high, uncomfortable
Close the stratified pumping of the big luffing stand alone type intake tower of reservoir level.In figure, 24 be trash rack slot, and 25 be slot of grabbing bucket of removing contamination, and 26 be thing
Therefore maintenance gate slot, 27 be emergency repair gate, and 28 be crossbeam, and 29 be stringer.
As shown in Figure 3,4, traditional medium-small flow reservoir stratified pumping intake tower be by trash rack 31, stop log gate 32,
Stop log gate library 33, emergency repair gate 34, emergency overhaul gate library 35 flow to be sequentially arranged downstream, are opened and closed according to Reservoir Water Level
The stoplog gate flap Parallel to the flow direction of corresponding elevation moves to Men Ku, by tower top door machine 36 to stop log gate 31 and emergency repair lock
Door 34 is opened and closed, and realizes stratified pumping and downstream canal maintenance.In figure, 37 be library of grabbing bucket of removing contamination, and 38 be access bridge, and 39 be to draw
Water tunnel, 40 be wharf portal crane track.Its advantage is that Stoplog gate conveniently opening and closing, operation is simple.The disadvantage is that cross grid area too small for trash rack,
Head loss is big, power benefit can be greatly reduced for power station intake tower, emergency repair gate downstream canal is in an emergency
It cannot close in time, emergency repair gate not can be carried out long-range control, it is impossible to be used in the stratified pumping of big flow power station intake tower.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of stratified pumping stand alone type water inlets for high-head power station
Tower structure, structure size is small, and head loss is small, runs convenient, high degree of automation, and remarkable in economical benefits can effectively solve height
The stratified pumping problem of the big luffing of head, reservoir level, big flow stand alone type power station intake tower.
To solve the above-mentioned problems, the technical scheme adopted by the invention is that: a kind of layering for high-head power station takes
Water stand alone type water inlet tower structure, including bottom plate, tower body, grid pier, trash rack, stoplog groove, stoplog gate flap, Stoplog gate library, accident
Maintenance gate slot, venthole, emergency repair gate, diversion tunnel, trash rack are located in grid pier, stoplog groove, Stoplog gate library, accident
Maintenance gate slot and venthole are located in tower body, pass sequentially through crossbeam connection positioned at multiple grid piers of water inlet, form to water inlet side
To the polygon fence frame structure of the class arc of protrusion, be provided with trash rack between two neighboring grid pier, stoplog groove and
Parallel to the flow direction arrangement in Stoplog gate library installs fixed hydraulic headstock gear, accident inspection on the tower top in emergency overhaul gate groove top portion
It repairs gate to be suspended below fixed hydraulic headstock gear, accident is declined along emergency repair gate slot by fixed hydraulic headstock gear
Bulkhead gate closes diversion tunnel.
The fixed hydraulic headstock gear is fixed on the machine pier of tower top.
The trash rack passes through the trash progress dirt cleaning that tower top is arranged in.
The stoplog gate flap maximum height≤5m, maximum width≤10m, stoplog gate flap top water depth >=5m.
The polygon fence frame structure of the class arc of the grid pier and crossbeam composition, total span≤20m, most greater than grid
Flow velocity≤1.0m/s.
The tower top is provided with tower top door machine, when Drawdown of Reservoir Water Level by promoting stoplog gate flap along tower top from stoplog groove
Wharf portal crane track Parallel to the flow direction is transported to Stoplog gate library, promotes Stoplog gate from Stoplog gate library by tower top door machine when reservoir level rises
Leaf is transported to stoplog groove along tower top wharf portal crane track Parallel to the flow direction.
The tower top door machine maximum span≤12m, lift≤120m promote speed 2m/min, the speed of service≤20m/
Min, maximum hoisting weight≤200t.
Beneficial effects of the present invention: traditional large and medium-sized power station stoplog gate-type stratified pumping intake tower stoplog aperture of door is avoided
Mouth and gate flap quantity are more, and Stoplog gate library size is big, and the Stoplog gate opening and closing period is long, and operation is complicated；The horizontal water flow direction structure ruler of intake tower
Very little big, investment is high, is not suitable for the stratified pumping of the big free-standing intake tower of reservoir level luffing.Traditional medium and small stream is avoided simultaneously
Amount reservoir stratified pumping intake tower trash rack crosses that grid area is small, and head loss is big, and power benefit is poor, and the degree of automation is low, can use
In the stratified pumping problem of big flow power station intake tower.The present invention reduces tower body by the way that class curved trash rack frame structure is arranged
The horizontal water (flow) direction width of leading edge, increases trash rack area, reduced grid current speed, and reduced head loss, and increased power benefit,
Emergency repair gate is controlled by tower top fixed hydraulic headstock gear, securely and reliably, is convenient for remote automatic control；Tower body simultaneously
One of Stoplog gate of interior setting reduces same elevation Stoplog gate aperture and gate flap quantity, stoplog groove and Stoplog gate the library side of stream downstream
To arrangement, the opening and closing operation of stoplog gate flap is convenient, and tower body characteristics of compact layout, structure size is small, cost saving, can effectively solve height
The stratified pumping problem of the big luffing of head, reservoir level, big flow stand alone type power station intake tower.
Detailed description of the invention
Fig. 1 is the large and medium-sized power station of the prior art using stoplog gate-type stratified pumping intake tower construction profile.
Fig. 2 is the middle part truncation figure of Fig. 1.
Fig. 3 is the reservoir stratified pumping intake tower construction profile of small flow in the prior art.
Fig. 4 is the middle part truncation figure of Fig. 3.
Fig. 5 is the stratified pumping stand alone type intake tower construction profile that the present invention is used for high-head power station.
Fig. 6 is the middle part truncation figure of Fig. 5.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description:
As shown in Figure 5,6, the stratified pumping stand alone type water inlet tower structure for high-head power station of the invention, including bottom plate
1, tower body 2, grid pier 3, trash rack 5, stoplog groove 6, stoplog gate flap 11, Stoplog gate library 7, emergency repair gate slot 8, venthole 9, thing
Therefore bulkhead gate 16, diversion tunnel 14, trash rack 5 are located in grid pier 3, stoplog groove 6, Stoplog gate library 7, emergency repair gate slot 8
It is located in tower body 2 with venthole 9, passes sequentially through crossbeam 4 positioned at multiple grid piers 3 of water inlet and connect, forms convex to water inlet direction
The polygon fence frame structure of class arc out, is provided with trash rack 5 between two neighboring grid pier 3, stoplog groove 6 and folded
7 Parallel to the flow direction of Liangmen library arrangement installs fixed hydraulic headstock gear 15, accident on the tower top at 8 top of emergency repair gate slot
Bulkhead gate 16 is suspended on 15 lower section of fixed hydraulic headstock gear, by fixed hydraulic headstock gear 15 along emergency repair gate slot
8 decline emergency repair gates 16 close diversion tunnel 14.
The fixed hydraulic headstock gear 15 is fixed on the machine pier 20 of tower top.
The trash rack 5 passes through the progress dirt cleaning of trash 19 that tower top is arranged in.
11 maximum heights of the stoplog gate flap≤5m, maximum width≤10m, the 11 top depth of water of stoplog gate flap >=5m.
The polygon fence frame structure for the class arc that the grid pier 3 is formed with crossbeam 4, total span≤20m, most serious offense
Grid current speed≤1.0m/s.
The tower top is provided with tower top door machine 17, when Drawdown of Reservoir Water Level by promoting stoplog gate flap 11 from stoplog groove 6
It is transported to Stoplog gate library 7 along 18 Parallel to the flow direction of tower top wharf portal crane track, passes through tower top door machine 17 when reservoir level rises from Stoplog gate
Library 7 promotes stoplog gate flap 11 and is transported to stoplog groove 6 along 18 Parallel to the flow direction of tower top wharf portal crane track.
17 maximum spans of the tower top door machine≤12m, lift≤120m promote speed 2m/min, the speed of service≤20m/
Min, maximum hoisting weight≤200t.
Specifically, trash rack 5 is located in arc shooting grid pier 3, Stoplog gate is made of more piece gate flap, on tower body
In stoplog groove 6, cup is formed between Stoplog gate and class curved trash rack frame structure, 10, Stoplog gate and 7 upstream of Stoplog gate library
Vertical-sprue 12 is formed between wall, horizontal run 13 is arranged in 2 bottom of tower body, and diversion tunnel 14, thing is arranged in 13 end of horizontal run
Therefore bulkhead gate 16 is located in emergency repair gate slot 8, trash 19, tower top door machine 17 and fixed hydraulic headstock gear is arranged in tower top
15.Grid pier 3 and crossbeam 4 form class curved trash rack frame structure, and stoplog groove 6 and Stoplog gate library 7 are located inside tower body 2, and
Parallel to the flow direction arrangement realizes stratified pumping by adjusting stoplog gate flap 11 quantity.
Water flow enters cup 10 by trash rack 5, by the obstruction of multilayer Stoplog gate leaf 11, pushes up from top stoplog gate flap 11
Into vertical-sprue 12, vertically 12 vertical downflow of runner, then turning enters horizontal run 13 from 12 bottom of vertical-sprue,
Finally enter diversion tunnel 14.When diversion tunnel 14 needs to overhaul, accident is declined by tower top fixed hydraulic headstock gear 15
Bulkhead gate 16 closes horizontal run 13, and venthole 9 is used for tonifying Qi at this time, completes the maintenance of diversion tunnel 14.When under reservoir level
Stoplog gate flap 11 is promoted from stoplog groove 6 by tower top door machine 17 when drop and is transported to stoplog along 18 Parallel to the flow direction of tower top wharf portal crane track
Door library 7, it is suitable along tower top wharf portal crane track 18 from the promotion stoplog gate flap 11 of Stoplog gate library 7 by tower top door machine 17 when reservoir level rises
Water (flow) direction is transported to stoplog groove 6, realizes stratified pumping.When trash rack 5 needs to clear up dirt in upstream side grid pier 2, pass through tower
It pushes up trash 19 and carries out dirt cleaning, when needing to overhaul, propose that trash rack 5 is overhauled out of grid pier 2 by tower top door machine 17.
The present invention forms class curved trash rack frame structure using grid pier and crossbeam for the free-standing intake tower of big flow,
The horizontal water flow of tower body leading edge is reduced to width, increases trash rack area, grid current speed was reduced, and reduced head loss, and increased
Add power benefit, and curved trash rack frame structure, is conducive to the raising of stable structure and anti-seismic performance.It is only set in tower body simultaneously
One of Stoplog gate is set, same elevation Stoplog gate aperture and gate flap quantity are reduced, stoplog groove and Stoplog gate library flow to cloth downstream
It sets, Stoplog gate opening and closing operation is convenient.Housing structure size is small, cost saving.Emergency repair gate uses fixed hydraulic
Headstock gear control, is conducive to remote automatic control, improves operational efficiency.It is taken with traditional large and medium-sized power station stoplog gate-type layering
Water intake tower is compared, and curved trash rack frame structure reduces the horizontal water flow of tower body leading edge to width, increases trash rack area, drop
It is low to cross grid current speed, reduce head loss, increase power benefit, while Stoplog gate aperture and gate flap quantity are few in tower body, folds
Liangmen opening and closing operation is convenient, and the opening and closing cycle of operation is short, and intake tower integral arrangement is compact, and structure size is small, and construction investment is few.With biography
The medium-small flow reservoir stratified pumping intake tower of system is compared, and it is big that trash rack crosses grid area, can be used for large and medium-sized power station stratified pumping
Intake tower, emergency repair gate are controlled using fixed hydraulic headstock gear, are conducive to remote automatic control, improve operation effect
Rate.
Embodiment described above is merely to illustrate technical idea and feature of the invention, in the art its object is to make
Technical staff it will be appreciated that the contents of the present invention and implement accordingly, patent model of the invention only cannot be limited with the present embodiment
It encloses, i.e., same changes or modifications made by all disclosed spirit are still fallen in the scope of the patents of the invention.
Claims (7)
- Tower structure, including bottom plate (1), tower body (2), grid pier 1. a kind of stratified pumping stand alone type for high-head power station is intake (3), trash rack (5), stoplog groove (6), stoplog gate flap (11), Stoplog gate library (7), emergency repair gate slot (8), venthole (9), Emergency repair gate (16), diversion tunnel (14), trash rack (5) are located in grid pier (3), stoplog groove (6), Stoplog gate library (7), Emergency repair gate slot (8) and venthole (9) are located in tower body (2), which is characterized in that positioned at water inlet multiple grid piers (3) according to It is secondary to be connected by crossbeam (4), form the polygon fence frame structure of the class arc protruded to water inlet direction, two neighboring grid It is provided between pier (3) trash rack (5), stoplog groove (6) and Stoplog gate library (7) Parallel to the flow direction arrangement, in emergency overhaul gate Fixed hydraulic headstock gear (15) are installed on tower top at the top of slot (8), emergency repair gate (16) is suspended on fixed hydraulic and opens It closes below machine (15), emergency repair gate (16) is declined along emergency repair gate slot (8) by fixed hydraulic headstock gear (15) It closes diversion tunnel (14).
- 2. the stratified pumping stand alone type water inlet tower structure for high-head power station according to claim 1, which is characterized in that institute Fixed hydraulic headstock gear (15) is stated to be fixed on the machine pier (20) of tower top.
- 3. the stratified pumping stand alone type water inlet tower structure for high-head power station according to claim 1, which is characterized in that institute It states trash rack (5) and passes through trash (19) the progress dirt cleaning that tower top is set.
- 4. the stratified pumping stand alone type water inlet tower structure for high-head power station according to claim 1, which is characterized in that institute State stoplog gate flap (11) maximum height≤5m, maximum width≤10m, stoplog gate flap (11) the top depth of water >=5m.
- 5. the stratified pumping stand alone type water inlet tower structure for high-head power station according to claim 1, which is characterized in that institute State the polygon fence frame structure of the class arc of grid pier (3) and crossbeam (4) composition, total span≤20m, most greater than grid current speed ≤1.0m/s。
- 6. the stratified pumping stand alone type water inlet tower structure for high-head power station according to claim 1, which is characterized in that institute It states tower top and is provided with tower top door machine (17), when Drawdown of Reservoir Water Level by promoting stoplog gate flap (11) along tower from stoplog groove (6) Top wharf portal crane track (18) Parallel to the flow direction is transported to Stoplog gate library (7), passes through tower top door machine (17) when reservoir level rises from stoplog Men Ku (7) promotes stoplog gate flap (11) and is transported to stoplog groove (6) along tower top wharf portal crane track (18) Parallel to the flow direction.
- 7. the stratified pumping stand alone type water inlet tower structure for high-head power station according to claim 6, which is characterized in that institute Tower top door machine (17) maximum span≤12m is stated, lift≤120m promotes speed 2m/min, and the speed of service≤20m/min is maximum Hoisting weight≤200t.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910129740.8A CN109667250A (en) | 2019-02-21 | 2019-02-21 | Stratified pumping stand alone type water inlet tower structure for high-head power station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910129740.8A CN109667250A (en) | 2019-02-21 | 2019-02-21 | Stratified pumping stand alone type water inlet tower structure for high-head power station |
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| CN109667250A true CN109667250A (en) | 2019-04-23 |
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| CN201910129740.8A Pending CN109667250A (en) | 2019-02-21 | 2019-02-21 | Stratified pumping stand alone type water inlet tower structure for high-head power station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908716A (en) * | 2022-06-17 | 2022-08-16 | 中国电建集团贵阳勘测设计研究院有限公司 | Hydro-junction system based on high water head and large cutting depth |
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|---|---|---|---|---|
| KR20110126453A (en) * | 2010-05-17 | 2011-11-23 | (주)지서산업 | Water intake tower gate of the installation and repair process |
| CN102677641A (en) * | 2012-05-25 | 2012-09-19 | 中水北方勘测设计研究有限责任公司 | Semicircular integrated gate |
| CN105544470A (en) * | 2016-01-22 | 2016-05-04 | 杜培文 | Layered water intake gate and layered water intake method |
| CN205604190U (en) * | 2016-04-25 | 2016-09-28 | 周金美 | Double -deck river course curved surface trash rack |
| CN108560497A (en) * | 2018-06-22 | 2018-09-21 | 中水北方勘测设计研究有限责任公司 | Eservoir diversion tunnel import for medium-small flow is independently intake tower structure |
| CN109356128A (en) * | 2018-12-10 | 2019-02-19 | 中国电建集团贵阳勘测设计研究院有限公司 | Arrangement structure of single diversion tunnel hydroelectric engineering hoist |
| CN209584994U (en) * | 2019-02-21 | 2019-11-05 | 中水北方勘测设计研究有限责任公司 | A kind of stratified pumping stand alone type water inlet tower structure for high-head power station |
-
2019
- 2019-02-21 CN CN201910129740.8A patent/CN109667250A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110126453A (en) * | 2010-05-17 | 2011-11-23 | (주)지서산업 | Water intake tower gate of the installation and repair process |
| CN102677641A (en) * | 2012-05-25 | 2012-09-19 | 中水北方勘测设计研究有限责任公司 | Semicircular integrated gate |
| CN105544470A (en) * | 2016-01-22 | 2016-05-04 | 杜培文 | Layered water intake gate and layered water intake method |
| CN205604190U (en) * | 2016-04-25 | 2016-09-28 | 周金美 | Double -deck river course curved surface trash rack |
| CN108560497A (en) * | 2018-06-22 | 2018-09-21 | 中水北方勘测设计研究有限责任公司 | Eservoir diversion tunnel import for medium-small flow is independently intake tower structure |
| CN109356128A (en) * | 2018-12-10 | 2019-02-19 | 中国电建集团贵阳勘测设计研究院有限公司 | Arrangement structure of single diversion tunnel hydroelectric engineering hoist |
| CN209584994U (en) * | 2019-02-21 | 2019-11-05 | 中水北方勘测设计研究有限责任公司 | A kind of stratified pumping stand alone type water inlet tower structure for high-head power station |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908716A (en) * | 2022-06-17 | 2022-08-16 | 中国电建集团贵阳勘测设计研究院有限公司 | Hydro-junction system based on high water head and large cutting depth |
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