CN102518093B - Hydropower station layout structure with low investment and short construction period and construction method thereof - Google Patents
Hydropower station layout structure with low investment and short construction period and construction method thereof Download PDFInfo
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- CN102518093B CN102518093B CN201210005408.9A CN201210005408A CN102518093B CN 102518093 B CN102518093 B CN 102518093B CN 201210005408 A CN201210005408 A CN 201210005408A CN 102518093 B CN102518093 B CN 102518093B
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- 238000010276 construction Methods 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000009412 basement excavation Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 12
- 239000004575 stone Substances 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 239000004035 construction material Substances 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 abstract description 5
- 238000009440 infrastructure construction Methods 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 18
- 239000011435 rock Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
Abstract
The invention relates to a hydropower station layout structure with low investment and short construction and a construction method thereof. The layout structure is characterized in that a plant, a flood discharge gate and a ship lock are arranged on mountains at both sides of a dam body of a major river bed; a lengthened reservoir is excavated among the flood discharge gate, the plant and the corresponding mountains along the river direction; the water surface of the lengthened reservoir is parallel and level with the water surface on the upstream of a dam; and the dam body, the flood discharge gate and the plant are sequentially arranged along the river direction. The construction method comprises the following steps of: according to the upstream water level in the reservoir design, determining the excavation heights of the mountains at the corresponding sides of the dam; excavating the mountains with concave sections at the excavation heights; excavating a large-scale feeder canal lower than the upstream water level, which is used as the lengthened reservoir, at the positions of notches; sequentially constructing the flood discharge gate and the plant at the convex part close to one side of a river in the downstream direction; and excavating a diversion ditch on the mountain at the other side of the river and expanding the diversion ditch into the ship lock. Three buildings can be simultaneously constructed, so that the construction period and the investment are also greatly reduced and the problems of high investment and long construction period of the infrastructure construction of a current hydropower station are solved.
Description
Technical field
The present invention relates to a kind of power station integral layout structure and construction method, the power station in river channel be specially adapted to shorten the construction time limit, reducing investment.
Background technology
Power station is the integration engineering facility that water can be converted to electric energy, comprising for utilizing water to produce electric energy and the various equipment for hydroelectric station of a series of structure of hydropower station of building and installing, being generally made up of parts such as hydraulic structure, factory building, generation power device, electrician's primary system, electrician's electrical secondary systems.Choke water and be hydraulic structure into building, water diverting structure, flood releasing structure, generation power device comprises some auxiliary equipment in turbine-generator units and main building, these buildings are utilized to concentrate the drop of natural current to form head, collect, regulate the flow of natural current, and it is transferred to the hydraulic turbine, through the co-operation of the hydraulic turbine and generator, concentrated water can be converted to electric energy, then through transformer, switching station and transmission line of electricity etc., electric energy be inputted electrical network.
The main hydraulic structure of dam type hydroelectric station, core building is dam.Dam can be divided into concrete dam and earth rock material dam.Large and medium-sized power station all adopts concrete dam, and to ensure enough intensity and life-span, the capital investment major part in power station builds dam (concrete percentage is fixed with the multinomial factor such as dam site landform, river course condition) for barrage.Factory building, sluice and ship lock in conventional dam formula power station three edifice be that Transverse to the flow direction is arranged in layout, three bundles, particularly sluice build top, steel bar concrete dam in, major river bed position dam is made to deep-cut basis, thus cause bulky, in order to not stop construction when building huge concrete cofferdam and ride out flood period, in the cofferdam of large hydropower station, the construction period usually reaches the several years, even nearly 10 years.
Concrete rockfill dam layout now prevailing, major river bed concrete loose rock dam, for reservoir is extended to downstream, dam, the diversion tunnel that thus generates electricity leads to hole and is located at upstream, dam, and power plant is located in downstream, dam or massif.The benefit of this kind of way is few, weak point is that diversion tunnel is long, number is many, not only curved but also bent, modern hole cannot be used to dig the construction of efficient mechanical anti-drilling machine, and usual diversion tunnel and underground power house duration used are exactly the whole power plant duration, build up rear annual daylighting, ventilation power consumption is large, therefore the duration and gravity dam close, such as, the rock beach in Guangxi and Tianshengqiao-I power station duration are all 10 years.
Domestic have some local improvement of carrying out for conventional dam formula power station, the patent No. as Chongqing Jiaotong University's application is " hydropower station bank slope energy dissipation structure " of CN201010142467.1, the patent No. of China Hydropower Advisory Group East China Survey Design Academe's application is " discharge structure of upstream wall of shore type hydropower station workshop and the construction method thereof " of CN201010146081.8, application number is " a kind of factory building and dam connection interface structure and construction technology " of CN200910099197.8, CN200910059497.3 " underground workshop rock wall beam trench steel tube drilling sample frame and construction method " of SINOHYDRO Bureau 7 Co., Ltd.'s application etc., just have integrally-built partial upgrading for power station, and it is large to fail fundamentally to solve infrastructure investment, the problem of long construction period.
In addition, the engineering material produced during traditional construction of hydropower stations is also difficult to process, and according to statistics, the rock ballast that dam type hydroelectric station infrastructure is excavated is often in a watt average out to 10m
3, cause the rock ballast difficulty be excavated in a large number to look for local stacking, cause investment huge waste, claim for eot, heavy damage ecological environment.
Summary of the invention
The invention provides a kind of novel small investment, duration short hydropower station layout structure and construction method thereof, solve that current power station infrastructure investment is large, the problem of long construction period.
A kind of small investment of the present invention, duration short hydropower station layout structure comprises the major structure of construction such as factory building, sluice and ship lock, major river bed is provided with dam body, factory building, sluice and ship lock are arranged on the massif of major river bed dam body both sides, wherein sluice and factory building are arranged on side, dam body back massif, ship lock is arranged on dam body opposite side massif, sluice, between factory building and place massif, flow path direction excavates prolongation reservoir along the river, this prolongation reservoir water surface and dam up-stream face maintain an equal level, and contact with factory building with sluice; Dam body, sluice and factory building are arranged along direction, river successively, and primary substation is arranged on the massif above factory building, and the generating set of factory building inside is in one line along direction, river, and the prolongation reservoir degree of depth that massif excavates has 10-30 rice, and ship lock is arranged in massif.
The construction method of building above-mentioned hydropower station layout structure comprises sluice construction method, factory building and hydroelectric generator mounting method, lock construction method, sluice construction method wherein, factory building and hydroelectric generator mounting method, lock construction method carried out before damming, and the cubic metre of earth and stone produced in above-mentioned construction method process is directly as the dam body construction material after damming.
Sluice, construction of hydropower method comprise people's following steps:
A () digs height according to massif on Design of Reservoirs upper pond level determination dam limit;
B () face, cutting portion on this height is " recessed " font massif;
(c) massif notch position excavation lower than upper pond level large-scale channel of approach as prolongation reservoir;
D the jut Parallel to the flow direction of () massif near side, river builds sluice, factory building successively.
Lock construction method comprises people's following steps
A () is dug Diversion Tunnel or excavate diversion channel on massif in massif;
B () is transformed into ship lock to Diversion Tunnel or diversion channel.
Diversion Tunnel or diversion channel are constructed before damming.Sluice construction method, factory building and hydroelectric generator mounting method and lock construction method all can synchronously be carried out.
The present invention builds the ship lock three of power plant building, sluice greatly and moves away from major river bed and major river bed dam body, and essence changes the layout structure of conventional power plants.Under this arrangement, sluice is built on the bank thus can be constructed throughout the year; Ship lock is built in massif, also can coordinate Diversion Tunnel in advance, constructs in advance before damming; The underwater portion of factory building, owing to only need excavate out water outlet part and hydrogenerator elevation with lower part, this part needs can build up less than 1 year, and calculate by this, a large hydropower station can complete two dry seasons, and can install unit generation.Because three edifices can be built simultaneously, do not interfere with each other, the duration then subtracts a greater part of, and investment cost also subtracts a greater part of, and the rock ballast that three edifices are excavated simultaneously can be used to build dam, solves the material stacking problem that infrastructure produces.
Accompanying drawing explanation
Fig. 1 is hydropower station layout structure schematic diagram of the present invention.
Dam body---1; Massif---2; Extend reservoir---3; Sluice---4; Primary substation---5; Seepage tunnel---6; Factory building---7; Generating set---8; Ship lock---9
Detailed description of the invention
As shown in Figure 1, hydropower station layout structure of the present invention comprises factory building 7, the major structure of construction such as sluice 4 and ship lock 9, major river bed is provided with dam body 1, factory building, sluice and ship lock are arranged on the massif of major river bed dam body both sides, wherein sluice 4 and factory building 7 are arranged on side, dam body back massif 2, ship lock 9 is arranged on dam body opposite side massif, sluice, between factory building and place massif, flow path direction excavates and extends reservoir 3 along the river, namely one large water-drawing channel is dug out on the bank in the side of dam as prolongation reservoir 3, utilize this prolongation reservoir that the reservoir water surface is guided to dam downstream, flood spillway and factory building is arranged by side, river along covalency at prolongation reservoir, water (flow) direction is shown in shown in arrow, dam body is set gradually along direction, river, sluice and factory building, primary substation 5 is arranged on the massif 2 above factory building 7, the generating set 8 of factory building inside is in one line along direction, river, the water extending reservoir 3 is drained into generating set by the seepage tunnel 6 in factory building, the through ship lock of Diversion Tunnel of opposite side massif and being all arranged in massif.
In order to realize above-mentioned hydropower station layout structure, sluice, construction of hydropower method are as follows:
(1) first height is dug according to massif on Design of Reservoirs upper pond level determination dam limit;
(2) on this height, section is dug in " recessed " font massif;
(3) massif notch position excavation lower than upper pond level large-scale channel of approach as prolongation reservoir;
(4) massif builds sluice, factory building successively near the jut Parallel to the flow direction of side, river.
Adopt the concrete bottom the flood-relief channel of above-mentioned sluice construction method very thin, steep slope section is solid rock often, do not need to connect concrete bank protection, engineering quantity is little, and energy dissipating is simple, and often has 20-30m dark due to channel, in canal side with raise boring machine excavation factory building water inlet pipe, not only straight not only short but also efficient, just dug about half a year, head loss is also little.Adopt the factory building of above-mentioned construction of hydropower method can make half buried factory building, originally huge tunnel and underground power house rock excavation are dug by hole and are become open cut, and factory building is forwarded to ground from underground, and the problem such as daylighting, ventilation just easily solves.
Simultaneously over there massif can carry out lock construction, first on massif, Diversion Tunnel is dug, this Diversion Tunnel can be constructed before damming, in massif, Diversion Tunnel is expanded according to demand afterwards and carry out ship lock construction, namely the middle part of diversion tunnel is utilized to expand size as lock chamber, make Diversion Tunnel in advance, the later stage is as ship lock; If orographic condition is permitted, massif also can excavate into open type diversion channel and ship lock.
Dam body materials is mainly with the rock ballast that whole Foundation Design is excavated, and the land waste on neighbouring bank, gravel or earth material make dam body materials, gather materials on the spot, and the expense that both saved in turn saves man-hour.
Tradition ship lock is generally built on the limit in riverbed, and open type is excavated, and be suitable for below head 35m, lock chamber both sides are done in echelon, and plump concrete foundation excavation is dark again, and investment is large.After such as Dahua power plants generating electricity, 16 years ability boatbuilding locks, cross ship ability and are only 500 tons, invest 200,000,000 yuan; Chang Zhou builds in power station and within latter 2 years, extends ship lock again, cost 3,000,000,000 yuan, pipe of reinforced concrete at Three Gorges Power Station 110m head, need build 5 grades of ship lock, cost over ten billion Yuan, and investment reason long in time limit is greatly that mass-type foundation has been dug, and builds up plump reinforced concrete structure.
Embodiment 1: world-famous the three gorges hydropower plant, foundation excavation side's amount is 10,259 ten thousand m
3if put around the earth by the wide each 1m of height, can enclose around the earth 2.5, rock ballast difficulty looks for local stacking, useless again, welding, if adopt layout structure of the present invention and construction method, only need can build up same size dam with the discarded rock ballast Jian Ba of 10% and the 3-6% of full power station steel bar concrete total amount, investment significantly reduces, and the duration significantly shortens.
Embodiment 2: Yan Tan power station, Guangxi, design adopts concrete gravity dam, height of dam 100m, long 700m, and diabase basis, installs 1,210,000 kilowatts, 10 years durations, foundation excavation 1,017 ten thousand m
3, concrete side amount 3,420,000 m
3, rock ballast piles with surrounding.If adopt layout structure of the present invention and construction method, only dam can be become by 6% of its discarded rock ballast one half-sum steel bar concrete total amount.
Embodiment 3: current domestic state-of-the-art Tianshengqiao First cascade Hydropower Station, adopts concrete rockfill dam, height of dam 178m, installed capacity 1,200,000 kilowatts, identical with rock beach, also in the same period builds, steel bar concrete consumption 1,370,000 m
3, every kilowatt of steel bar concrete consumption 1.14m
3, actual cost per kw 8500 yuan, be equivalent to 2.83 times of 3000 yuan, rock beach, the duration uses 10 years too, if adopt layout structure of the present invention and construction method, investment and duration will significantly reduce.
Table 1 power station of the present invention and traditional power station civilwork engineering quantity contrast table
Upper table data show, adopt the power station of layout structure of the present invention and construction method compared with the civilwork engineering quantity of traditional power station, average earthwork is only about 40% of the excavated volume of the cubic meter of stone on traditional power station, concrete consumption is about 1/16, thus whole hydropower investment volume and duration decline to a great extent in pairs, have obvious economic benefit.
Claims (12)
1. the hydropower station layout structure that small investment duration is short, comprise factory building (7), sluice (4) and ship lock (9) major structure of construction, major river bed is provided with dam body (1), it is characterized in that: described factory building, sluice and ship lock are arranged on the massif of major river bed dam body both sides, wherein sluice (4) and factory building (7) are arranged on side, dam body back massif (2), ship lock (9) is arranged on dam body opposite side massif, sluice, between factory building and place massif, flow path direction excavates prolongation reservoir (3) along the river, this prolongation reservoir water surface and dam up-stream face maintain an equal level, and contact with factory building with sluice.
2. hydropower station layout structure according to claim 1, is characterized in that: set gradually dam body (1), sluice (4), factory building (7) along direction, river.
3. hydropower station layout structure according to claim 1, is characterized in that: primary substation (5) is arranged on the massif (2) of factory building (7) top.
4. according to the arbitrary described hydropower station layout structure of claim 1-3, it is characterized in that: the generating set (8) of factory building inside is in one line along direction, river.
5. hydropower station layout structure according to claim 1, is characterized in that: the prolongation reservoir degree of depth that massif excavates has 10-30 rice.
6. hydropower station layout structure according to claim 1, is characterized in that: ship lock (9) is arranged in massif.
7. build the construction method of hydropower station layout structure according to claim 1 for one kind, comprise sluice (4) construction method, factory building (7) building and hydroelectric generator mounting method, ship lock (9) construction method, it is characterized in that: sluice construction method, factory building and hydroelectric generator mounting method, lock construction method carried out before damming, the cubic metre of earth and stone produced in above-mentioned construction method process is directly as dam body (1) construction material after damming.
8. construction method according to claim 7, its feature exists: sluice, factory building (7) construction method comprise people's following steps
A () digs height according to massif on Design of Reservoirs upper pond level determination dam limit;
B () digs section in " recessed " font massif on this height;
(c) massif notch position excavation lower than upper pond level large-scale channel of approach as prolongation reservoir;
D the jut Parallel to the flow direction of () massif near side, river builds sluice, factory building successively.
9. construction method according to claim 7, its feature exists: lock construction method comprises the following steps
A () digs Diversion Tunnel in massif;
B () is transformed into ship lock to Diversion Tunnel.
10. construction method according to claim 7, its feature exists: lock construction method comprises the following steps
A () excavates diversion channel on massif;
B () is transformed into ship lock to diversion channel.
11. construction methods according to claim 9 or 10, its feature exists: Diversion Tunnel or diversion channel are constructed before damming.
12., according to the arbitrary described construction method of claim 7-10, is characterized in that: described sluice (4) construction method, factory building (7) building and hydroelectric generator mounting method, ship lock (9) construction method can synchronously carry out.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210005408.9A CN102518093B (en) | 2012-01-10 | 2012-01-10 | Hydropower station layout structure with low investment and short construction period and construction method thereof |
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| CN201210005408.9A CN102518093B (en) | 2012-01-10 | 2012-01-10 | Hydropower station layout structure with low investment and short construction period and construction method thereof |
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| CN102518093A CN102518093A (en) | 2012-06-27 |
| CN102518093B true CN102518093B (en) | 2015-06-17 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153338B (en) * | 2014-08-18 | 2016-05-18 | 中国电建集团成都勘测设计研究院有限公司 | Ship lock and power station in river channel's factory building co-ordinative construction |
| CN108252518A (en) * | 2018-01-18 | 2018-07-06 | 佛山市万科置业有限公司 | Construction method under the high residential building novel construction system master control duration |
| CN111379245A (en) * | 2020-04-24 | 2020-07-07 | 中国电建集团成都勘测设计研究院有限公司 | Riverbed type anti-skid workshop for hydraulic and hydroelectric engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1606711A1 (en) * | 1988-07-20 | 1990-11-15 | Институт технической теплофизики АН УССР | Method of repairing rooms of underground mountain hydraulic power plants |
| CN101812846A (en) * | 2010-04-09 | 2010-08-25 | 中国水电顾问集团华东勘测设计研究院 | Drainage structure of upstream wall of shore type hydropower station workshop and construction method thereof |
| CN102134846A (en) * | 2011-03-01 | 2011-07-27 | 长江水利委员会长江勘测规划设计研究院 | Underground shiplock arranged in mountain body |
| CN202440804U (en) * | 2012-01-10 | 2012-09-19 | 卢现立 | Plant and dam separated hydropower station |
-
2012
- 2012-01-10 CN CN201210005408.9A patent/CN102518093B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1606711A1 (en) * | 1988-07-20 | 1990-11-15 | Институт технической теплофизики АН УССР | Method of repairing rooms of underground mountain hydraulic power plants |
| CN101812846A (en) * | 2010-04-09 | 2010-08-25 | 中国水电顾问集团华东勘测设计研究院 | Drainage structure of upstream wall of shore type hydropower station workshop and construction method thereof |
| CN102134846A (en) * | 2011-03-01 | 2011-07-27 | 长江水利委员会长江勘测规划设计研究院 | Underground shiplock arranged in mountain body |
| CN202440804U (en) * | 2012-01-10 | 2012-09-19 | 卢现立 | Plant and dam separated hydropower station |
Non-Patent Citations (2)
| Title |
|---|
| "构皮滩水电站渗流控制工程设计";姚春雷等;《贵州水力发电》;20041231;第18卷(第6期);第26-29、38页 * |
| "龙滩水电站地下工程技术研究和设计";阳恩国;《中国土木工程学会第八届年会文集》;19980331;第281-286页 * |
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