CN202440804U - Plant and dam separated hydropower station - Google Patents
Plant and dam separated hydropower station Download PDFInfo
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- CN202440804U CN202440804U CN2012200081378U CN201220008137U CN202440804U CN 202440804 U CN202440804 U CN 202440804U CN 2012200081378 U CN2012200081378 U CN 2012200081378U CN 201220008137 U CN201220008137 U CN 201220008137U CN 202440804 U CN202440804 U CN 202440804U
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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
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Abstract
The utility model provides a plant and dam separated hydropower station, relates to a layout structure of a hydropower station, and is applicable to the hydropower station with short construction period and less investment. The hydropower station is characterized in that a sluice and a plant are arranged at a mountain body on the back side of a dam body; a ship lock is arranged at the mountain body on the other side of the dam body; an extended reservoir is excavated among the sluice, the plant and the located mountain body along the direction of a river; the water surface of the extended reservoir is flush with the water surface of the upstream of a dam; the excavation height of the mountain body where the plant and the sluice are positioned is determined according to the designed upstream water level of the reservoir; a mountain body of which the cross section is concave is excavated at the height; a large-scale diversion canal which is lower than the upstream water level is excavated at the position of the concave opening of the mountain body to serve as the extended reservoir; the sluice and the plant are arranged on the convex part on one side, close to the riverbed, of the concave opening of the mountain body in sequence along the direction of the river; and a diversion cannel is excavated on the other side of the mountain body and is enlarged into the ship lock. Because the three buildings can be built at the same time, the construction period and the investment cost are reduced greatly; and therefore, the problems of high investment and long construction period in the conventional hydropower station foundation constriction are solved.
Description
Technical field
The utility model relates to a kind of power station integral layout structure, the power station of short, small investment of the time limit that is specially adapted to construct.
Background technology
The power station is the integration engineering facility that water can be converted into electric energy; Be included as and utilize water to produce electric energy and a series of structure of hydropower station built and the various equipment for hydroelectric station of installing generally partly are made up of hydraulic structure, factory building, generation power device, electrician's primary system, electrician's electrical secondary system etc.Choke water building, water diverting structure, flood releasing structure and be hydraulic structure; Generation power device comprises some auxiliary equipment in hydraulic generator unit and the main building, utilizes these buildings to concentrate the drop of natural current to form head, compiles, regulates the flow of natural current; And it is transferred to the hydraulic turbine; Through the co-operation of the hydraulic turbine and generator, can convert the water of concentrating into electric energy, through transformer, switching station and transmission line of electricity etc. electric energy is imported electrical network again.
The main hydraulic structure of dam type hydroelectric station, the core building is dam.Dam can be divided into concrete dam and Tu Shicailiaoba.Concrete dam is all adopted in large and medium-sized power station, and to guarantee enough intensity and life-span, the capital investment major part in power station is used for barrage and builds dam (concrete percentage is decided with multinomial factors such as dam site landform, river course conditions).Factory building in the conventional dam formula power station, sluice and ship lock three edifices are that Transverse to the flow direction is arranged on layout; The three bundles, and particularly sluice is built top, steel bar concrete dam in, makes major river bed position dam must deep-cut the basis; Thereby cause bulky; In order when building huge concrete cofferdam, not stop to construct and ride out flood period, the construction period usually reaches the several years in the cofferdam of large hydropower station, even nearly 10 years.
Concrete rock layout now in vogue, major river bed use the concrete loose rock dam, and for extending to reservoir in the downstream, dam, thereby the hole, seepage tunnel of generating electricity is located at the upper reaches, dam, and power plant is located in downstream, dam or the massif.The benefit of this kind way is few, and weak point is that diversion tunnel is long, and the bar number is many; Not only curved but also bent, can't use modern hole to dig the anti-drilling machine construction of efficient mechanical, diversion tunnel and used duration of underground power house are exactly the entire power plant duration usually; It is big to build up back annual daylighting, ventilation power consumption; Therefore duration and gravity dam are approaching, such as, the rock beach in Guangxi and natural bridge primary power station duration all are 10 years.
Domestic have some to be directed against the local improvement that carry out in conventional dam formula power station; The patent No. like Chongqing Jiaotong University's application is CN201010142467.1 " hydropower station bank slope energy dissipation structure "; The patent No. of China Hydropower Advisory Group East China Survey Design Academe's application is that " discharge structure of upstream wall of shore type hydropower station workshop and job practices thereof ", the application number of CN201010146081.8 is CN200910099197.8 " a kind of factory building and dam linkage interface structure and construction technology "; CN200910059497.3 " underground workshop rock wall beam trench steel tube drilling appearance frame and job practices " of SINOHYDRO Bureau 7 Co., Ltd.'s application or the like; Just to the existing integrally-built partial upgrading in power station; And it is big to fail fundamentally to solve infrastructure investment, the problem of long construction period.
In addition, the engineering material that produces during the traditional water power plant construction also is difficult to handle, according to statistics, and every kilowatt of average out to 10m of the rock ballast that the dam type hydroelectric station infrastructure excavates out
3, the rock ballast difficulty that causes a large amount of excavations to come out is looked for local the stacking, causes the investment huge waste, claim for eot, heavy damage ecological environment.
Summary of the invention
The utility model provides a kind of novel small investment, short power station layout structure of duration, solves that present power station infrastructure investment is big, the problem of long construction period.
The layout structure in separate type power station, the utility model factory dam comprises 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 dam body back one side massif, and ship lock is arranged on dam body opposite side massif, between sluice, factory building and the place massif along the river flow path direction excavation the prolongation reservoir is arranged; This prolongs the reservoir water surface and the dam up-stream face maintains an equal level, and contacts with factory building with sluice; The height that factory building and sluice place massif are dug is confirmed according to reservoir design upper pond level; On this height, dig section and be " recessed " font massif; Massif recess position excavation is lower than the large-scale channel of approach of upper pond level as prolonging reservoir, and the massif recess sets gradually sluice and factory building near the bossing of riverbed one side along the river direction.
Primary substation is arranged on the massif of factory building top, and the generating set of factory building inside is in one line along the river direction, and the prolongation reservoir degree of depth of excavating on the massif has 10-30 rice.Dig diversion channel in the one side massif at ship lock place, the diversion channel mid portion is extended into ship lock.
The utility model is moved away from major river bed and major river bed dam body to the ship lock three big buildings of power plant building, sluice, and essence has changed the layout structure in traditional power station.Deposit at this cloth, thereby sluice is built on the bank and can be constructed throughout the year; Ship lock is built in the massif, also can cooperate Diversion Tunnel in advance, in advance in the preceding construction of damming; The underwater portion of factory building, owing to only need excavate out water outlet part and hydrogenerator elevation with the lower part, this part need can build up less than 1 year, by this calculating, a large hydropower station can be accomplished two dry seasons, and unit generation can be installed.Because three edifices can be built simultaneously, do not disturb mutually, the duration then subtracts a greater part of, and investment cost also subtracts a greater part of, and the rock ballast that while three edifices excavate out can be used to build the dam, has solved the material stacking problem that infrastructure produces.
Description of drawings
Fig. 1 is the power station layout structure sketch map of the utility model.
Dam body---1; Massif---2; Prolong reservoir---3; Sluice---4; Primary substation---5; The seepage tunnel---6; Factory building---7; Generating set---8; Ship lock---9
The specific embodiment
As shown in Figure 1; The power station layout structure of the utility model comprises major structure of construction such as factory building 7, sluice 4 and ship lock 9, and major river bed is provided with dam body 1, and factory building, sluice and ship lock are arranged on the massif of major river bed dam body both sides; Wherein sluice 4 is arranged on dam body back one side massif 2 with factory building 7; Ship lock 9 is arranged on dam body opposite side massif, between sluice, factory building and the place massif along the river flow path direction excavation the reservoir 3 of prolongation is arranged, promptly dig out together big water-drawing channel on the bank as prolonging reservoir 3 in a side of dam; Utilize this prolongation reservoir to guide to the dam downstream to the reservoir water surface; Prolonging reservoir by river one side suitable covalency layout flood spillway and factory building, water (flow) direction is seen shown in the arrow, sets gradually dam body, sluice and factory building along the river direction; Primary substation 5 is arranged on the massif 2 of factory building 7 tops; The generating set 8 of factory building inside is in one line along the river directions, and the water that the seepage tunnel 6 in the factory building will prolong reservoir 3 drains into generating set, and the Diversion Tunnel of opposite side massif connects ship lock and all is arranged in the massif.
In order to realize above-mentioned power station layout structure, sluice, construction of hydropower method are following:
(1) at first confirms that according to reservoir design upper pond level massif is dug height on the dam limit;
(2) on this height, dig section and be " recessed " font massif;
(3) massif recess position excavation be lower than upper pond level large-scale channel of approach as prolonging reservoir;
(4) massif is built sluice, factory building successively near the jut Parallel to the flow direction of river one side.
Adopt the concrete of flood-relief channel bottom of above-mentioned sluice job practices very thin, the abrupt slope section is solid rock often, need not connect the concrete bank protection; Engineering quantity is little, and energy dissipating is simple, and because channel often has 20-30m dark; Excavate the factory building water inlet pipe in canal one side with raise boring machine; Not only directly not only short but also efficient, just to have 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 the hole and are become open cut, forward factory building to ground from underground, and problems such as daylighting, ventilation have just solved easily.
Simultaneously carry out lock construction on the massif over there; At first on massif, dig Diversion Tunnel; This Diversion Tunnel can be built Diversion Tunnel expansion carrying out ship lock in massif according to demand in the preceding construction of damming afterwards, and the middle part enlarged in size of promptly utilizing diversion tunnel is as lock chamber; Make Diversion Tunnel in advance, the later stage is as ship lock; If the orographic condition permission, massif also can excavate into open type diversion channel and ship lock.
The rock ballast that dam body materials mainly excavates out with whole Foundation Design, and near the land waste on bank, gravel or earth material make dam body materials, gathers materials on the spot, and not only saved expense but also saved man-hour.
The tradition ship lock is generally built on the limit in riverbed, and the open type excavation is suitable for below the head 35m, and do in echelon the lock chamber both sides, and plump concrete foundation excavation is dark again, and investment is big.Such as bigization of the Guangxi power plant back 16 years just boatbuilding locks that generate electricity, cross the ship ability and be merely 500 tons, invest 200,000,000 yuan; Chang Zhou builds in the power station and extended ship lock in back 2 years again, and expensive 3,000,000,000 yuan, power station, Three Gorges 110m head need be built 5 grades of ship lock, expensive over ten billion Yuan, and the big reason long in time limit of investment is to have dug mass-type foundation, 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 wide each 1m puts around the earth by height, can be around the earth 2.5 circles; The rock ballast difficulty is looked for local the stacking, and is useless again, destroys environment; If adopt layout structure of the present invention and job practices; Only need can build up equal scale dam with 10% the discarded rock ballast Jian Ba and the 3-6% of full power station steel bar concrete total amount, investment reduces significantly, and the duration shortens significantly.
Embodiment 2: Yan Tan power station, Guangxi, and concrete gravity dam is adopted in design, height of dam 100m, long 700m, the diabase basis is installed 1,210,000 kilowatts, 10 years durations, foundation excavation 1,017 ten thousand m
3, 3,420,000 m measure in concrete side
3, around rock ballast piles with.If adopt layout structure of the present invention and job practices, only can become dam with 6% of its discarded rock ballast one half-sum steel bar concrete total amount.
Embodiment 3: present domestic state-of-the-art natural bridge one-level power station, adopt the concrete rock, and height of dam 178m, 1,200,000 kilowatts of installed capacitys, identical with the rock beach, also in the same period build steel bar concrete consumption 1,370,000 m
3, every kilowatt of steel bar concrete consumption 1.14m
3, 8500 yuan of actual kilowatt costs are equivalent to 2.83 times of 3000 yuan on rock beach, and the duration is used 10 years too, if adopt layout structure of the present invention and job practices, investment and duration will reduce significantly.
Table 1 the utility model power station and traditional water power station civilwork engineering quantity contrast table
Last table data show; Adopt the power station of this power station layout structure to compare with traditional water power station civilwork engineering quantity; On average with earthwork be merely the traditional water power station cubic metre of earth and stone excavated volume about 40%; The concrete consumption is about 1/16, thus whole hydropower investment volume and duration decline to a great extent in pairs, have tangible economic benefit.
Claims (7)
1. separate type power station, a factory dam; Comprise factory building (7), sluice (4) and ship lock major structure of construction such as (9); Major river bed is provided with dam body (1), it is characterized in that: said factory building, sluice and ship lock are arranged on the massif of major river bed dam body both sides, and wherein sluice (4) and factory building (7) are arranged on dam body back one side massif (2); Ship lock (9) is arranged on dam body opposite side massif; Between sluice, factory building and the place massif along the river flow path direction excavation prolongation reservoir (3) is arranged, it is fair with the dam up-stream face that this prolongs reservoir water surface, and contact with factory building with sluice.
2. power station according to claim 1; It is characterized in that: the height that factory building and sluice place massif (2) are dug is confirmed according to reservoir design upper pond level; On this height, dig section and be " recessed " font massif; Massif recess position excavation is lower than the large-scale channel of approach of upper pond level as prolonging reservoir (3), and the massif recess sets gradually sluice and factory building near the bossing of riverbed one side along the river direction.
3. power station 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 power station of claim 1-3, it is characterized in that: the generating set (8) of factory building inside is in one line along the river direction.
5. power station according to claim 1 and 2 is characterized in that: prolongation reservoir (3) degree of depth of excavating on the massif has 10-30 rice.
6. power station according to claim 1 is characterized in that: digging in the side massif at ship lock place has diversion channel.
7. power station according to claim 1 is characterized in that: the diversion channel mid portion is extended into ship lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200081378U CN202440804U (en) | 2012-01-10 | 2012-01-10 | Plant and dam separated hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200081378U CN202440804U (en) | 2012-01-10 | 2012-01-10 | Plant and dam separated hydropower station |
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| Publication Number | Publication Date |
|---|---|
| CN202440804U true CN202440804U (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200081378U Expired - Lifetime CN202440804U (en) | 2012-01-10 | 2012-01-10 | Plant and dam separated hydropower station |
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| Country | Link |
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| CN (1) | CN202440804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518093A (en) * | 2012-01-10 | 2012-06-27 | 卢现立 | Hydropower station layout structure with low investment and short construction period and construction method thereof |
-
2012
- 2012-01-10 CN CN2012200081378U patent/CN202440804U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518093A (en) * | 2012-01-10 | 2012-06-27 | 卢现立 | Hydropower station layout structure with low investment and short construction period and construction method thereof |
| CN102518093B (en) * | 2012-01-10 | 2015-06-17 | 卢现立 | Hydropower station layout structure with low investment and short construction period and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120919 Effective date of abandoning: 20150617 |
|
| RGAV | Abandon patent right to avoid regrant |