CN211230690U - Ecological power generation system based on reservoir dam earial drainage - Google Patents
Ecological power generation system based on reservoir dam earial drainage Download PDFInfo
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- CN211230690U CN211230690U CN201922008023.8U CN201922008023U CN211230690U CN 211230690 U CN211230690 U CN 211230690U CN 201922008023 U CN201922008023 U CN 201922008023U CN 211230690 U CN211230690 U CN 211230690U
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- 238000010248 power generation Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 238000013461 design Methods 0.000 claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000010813 municipal solid waste Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 1
- 238000011161 development Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001363 water suppression through gradient tailored excitation 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
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Abstract
The utility model discloses an ecological power generation system based on reservoir dam leakage flow, which comprises a unit platform, a hydroelectric generating set, a water diversion device, a factory building and a tail water pool, wherein the water diversion device leads the reservoir dam leakage flow into the hydroelectric generating set, and the tail water pool is communicated with a water outlet of the hydroelectric generating set; the water turbine generator set adopts an integrated design, a vertical double-fulcrum arrangement, an integral structure, integral transportation and integral hoisting, the water turbine generator set cancels a movable guide vane and a speed regulator, a generator adopts an asynchronous frequency conversion design, the water turbine generator set realizes the start-stop control of the water turbine generator set through an adjustable water inlet valve, and the electricity is output through a frequency converter; the bearing of the water turbine generator set is cooled by external circulation, a thin oil station is shared and arranged beside the water turbine generator set, and cooling water can be directly supplied by the volute. The utility model discloses compare with conventional power station and done the very simplified design, and effective feasible, reach the purpose of effective utilization ecological flow, low-cost development, low-cost operation.
Description
Technical Field
The utility model relates to an ecological power generation technical field specifically indicates an ecological power generation system based on reservoir dam earial drainage.
Background
The national attention on energy conservation, environmental protection and green ecological construction inevitably requires river hydropower development to meet the minimum discharge standard of ecological flow. In order to meet the ecological environment protection requirement, river hydropower development, particularly diversion type hydropower stations, have to maintain the discharge of ecological flow on an upper reservoir dam, which inevitably causes the loss of reservoir water capacity. At the present stage, the total amount of water energy carried by the part of water is not large or the development cost is relatively high, so that economic indexes are low, the effective utilization of the part of water is forced to be abandoned, the development cost is reduced, the ecological flow is effectively utilized, the purposes of recovering part of electric energy and increasing the electric quantity income are achieved, the problems of energy conservation, emission reduction and waste utilization of the hydropower station are solved, and the urgent research is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide an ecological power generation system based on the reservoir dam earial drainage.
In order to solve the technical problem, the utility model provides a technical scheme is an ecological power generation system based on reservoir dam earial drainage: the hydroelectric generating set comprises a set platform and a hydroelectric generating set arranged on the set platform, wherein the set platform is arranged near the downstream of a water storage dam of a hydropower station; the ecological power generation system comprises a water diversion device, a factory building and a tail water pool, wherein the water diversion device leads the reservoir dam discharge flow into the hydroelectric generating set, the factory building is arranged on a set platform, and the tail water pool is communicated with a water outlet of the hydroelectric generating set; the water-turbine generator set adopts an integrated design, a vertical double-fulcrum arrangement, an integral structure, integral transportation and integral hoisting, the water-turbine generator set cancels a movable guide vane and a speed regulator, a generator of the water-turbine generator set adopts an asynchronous frequency conversion design, the start and stop control of the water-turbine generator set is realized through an adjustable water inlet valve, and electricity is output through a frequency converter; the bearing of the water turbine generator set is cooled by external circulation, a thin oil station is shared, the thin oil station is arranged beside the water turbine generator set, and cooling water can be directly supplied by a volute; an exciter, a frequency converter and a compressed air tank are arranged beside the hydroelectric generating set and can be separately disconnected.
As the improvement, be used for sheltering from the protection hydroelectric set's factory building adopts and to dismantle light-duty simple and easy factory building, has the dampproofing and ventilating function, be equipped with electric block in the factory building for handling equipment instrument.
As an improvement, an approach road is arranged beside the unit platform, so that the operator can conveniently come and go, a draft tube is pre-buried under the unit platform, and the draft tube is communicated with the water turbine generator set through the draft tube.
As an improvement, the water diversion device is combined with engineering practice, the existing channel is utilized to determine a water diversion port, a water inlet pool and a trash rack are generally arranged without repetition, an adjustable water inlet valve is arranged on the water diversion device between the water diversion port and the water turbine generator set and used for bearing the start-stop control function of the water turbine generator set, a water drainage pipeline is arranged in parallel with a water inlet pipe of the water turbine generator set, and a normally closed control valve is configured, so that the ecological water drainage requirement of the water turbine generator set during maintenance and shutdown is met.
As an improvement, the total power generation amount of the ecological power generation system is small, so that the ecological power generation system adopts low-voltage output, can be connected to a main plant for service power, and can also be connected to an electric system according to needs.
Compared with the prior art, the utility model the advantage lie in: the utility model discloses compare with conventional power station and done the very simplified design, and effective feasible, realized: 1. the development cost is low, complex hydraulic structures and hydraulic equipment are omitted, only simple water diversion devices, unit platforms and tail water pools are reserved, the civil engineering quantity is reduced to 40-50% of that of a conventional small hydropower station, and the hydraulic equipment is reduced to 10-15% of that of the conventional small hydropower station. The development cost can be controlled within 1.0 ten thousand yuan/kWh, and is only about 2/3 compared with the recent average hydropower development cost of about 1.5 ten thousand yuan/kWh; 2. the running cost is low, the integration degree of the unit is high, the field running and maintenance workload is small, and the running management mode of unattended operation and periodic inspection can be generally realized; 3. the energy-saving and environment-friendly dual functions are realized, the waste utilization is realized, the discharge requirement of ecological flow is met, and the social and economic benefits of increasing electric energy and income are realized.
Drawings
Fig. 1 is the utility model discloses an ecological power generation system's structural arrangement cross-sectional view based on reservoir dam earial drainage.
Fig. 2 is the utility model discloses an ecological power generation system's structural arrangement plan based on reservoir dam earial drainage.
As shown in the figure: 1. the water diversion device comprises a unit platform, 2 a water turbine generator set, 3 a water diversion device, 4 a workshop, 5 a tail water pool, 6 an electric hoist, 7 an entrance road, 8 a tail water pipe, 9 and a water drainage pipeline.
Detailed Description
The ecological power generation system based on reservoir dam discharge of the present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawings 1-2, the ecological power generation system based on reservoir dam discharge comprises a unit platform 1 and a water turbine generator set 2 arranged on the unit platform 1, wherein the unit platform 1 is arranged near the downstream of a water storage reservoir dam of a hydropower station; the ecological power generation system comprises a water diversion device 3, a factory building 4 and a tail water pool 5, wherein the water diversion device 3 is used for introducing reservoir dam leakage flow into the water-turbine generator set 2, the factory building 4 is arranged on the set platform 1, and the tail water pool 5 is communicated with a water outlet of the water-turbine generator set 2; the water-turbine generator set 2 adopts an integrated design, a vertical double-fulcrum arrangement, a self-contained structure, integral transportation and integral hoisting, a movable guide vane and a speed regulator are omitted from the water-turbine generator set 2, a generator of the water-turbine generator set adopts an asynchronous frequency conversion design, the start and stop control of the water-turbine generator set 2 is realized through an adjustable water inlet valve, and electricity is output through a frequency converter; the bearings of the water-turbine generator set 2 are cooled by external circulation, a thin oil station is shared, the thin oil station is arranged beside the water-turbine generator set 2, and cooling water can be directly supplied by a volute; an exciter, a frequency converter and a compressed air tank are arranged beside the water turbine generator set 2 and can be separately disconnected.
Be used for sheltering from the protection light-duty simple and easy factory building can be dismantled in hydroelectric set 2's factory building 4 adoption, has the dampproofing and ventilating function, be equipped with electric block 6 in the factory building 4 for handling equipment and tools compares with conventional power station, and factory building 4 is simplified greatly, does not have complex construction such as hydraulic turbine layer and generator layer, has also cancelled driving and track structure, owing to establish certainly tail water basin 5 has also cancelled the tail water gate.
An entrance road 7 is arranged beside the unit platform 1, so that operators can conveniently come and go, a draft tube 8 is pre-buried under the unit platform 1, and the draft tube 8 is communicated with the water turbine generator set 2 through the draft tube 5.
The diversion device 3 is combined with engineering practice, an existing channel is utilized to determine a diversion port, a water inlet pool and a trash rack are generally arranged unrepeatedly, an adjustable water inlet valve is arranged on the diversion device 3 between the diversion port and the water-turbine generator set 2 and used for bearing the start-stop control function of the water-turbine generator set 2, a water drain pipeline 9 is arranged in parallel with a water inlet pipe of the water-turbine generator set 2, a normally closed control valve is configured, and therefore the ecological water drain requirement during maintenance and shutdown of the water-turbine generator set 2 is met.
The total power generation electric quantity of the ecological power generation system is small, so that the ecological power generation system adopts low-voltage output, can be connected to a main plant for service power, and can also be connected to an earth electric system according to requirements.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. The utility model provides an ecological power generation system based on reservoir dam earial drainage which characterized in that: the hydroelectric generating set comprises a set platform (1) and a hydroelectric generating set (2) arranged on the set platform (1), wherein the set platform (1) is arranged near the downstream of a water storage dam of a hydropower station;
the ecological power generation system comprises a water diversion device (3), a factory building (4) and a tail water pool (5), wherein the water diversion device (3) is used for introducing reservoir dam leakage flow into the water-turbine generator set (2), the factory building (4) is arranged on the set platform (1), and the tail water pool (5) is communicated with a water outlet of the water-turbine generator set (2);
the water turbine generator set (2) adopts an integrated design, a vertical double-fulcrum arrangement, a self-contained structure, integral transportation and integral hoisting, a movable guide vane and a speed regulator are omitted from the water turbine generator set (2), a generator of the water turbine generator set adopts an asynchronous variable frequency design, the start and stop of the water turbine generator set (2) are controlled through an adjustable water inlet valve, and electricity is output through a frequency converter;
the bearings of the water turbine generator set (2) are cooled by external circulation, a thin oil station is shared, the thin oil station is arranged beside the water turbine generator set (2), and cooling water can be directly supplied by a volute;
an exciter, a frequency converter and a compressed air tank are arranged beside the water turbine generator set (2) and can be separately disconnected.
2. The ecological power generation system based on the reservoir dam leakage flow as claimed in claim 1, wherein: the plant building (4) for shielding and protecting the water turbine generator set (2) adopts a detachable light simple plant building and has a ventilation and moisture-proof function, and an electric hoist (6) is arranged in the plant building (4) and used for hoisting equipment tools.
3. The ecological power generation system based on the reservoir dam leakage flow as claimed in claim 1, wherein: an entrance road (7) is arranged beside the unit platform (1) to facilitate the coming and going of operating personnel, a draft tube (8) is embedded under the unit platform (1), and the draft tube (8) is communicated with the water turbine generator set (2) through the draft tube (5).
4. The ecological power generation system based on the reservoir dam leakage flow as claimed in claim 1, wherein: the water diversion device (3) is combined with engineering practice, an existing channel is utilized to determine a water diversion port, a water inlet pool and a trash rack are generally not repeatedly arranged, an adjustable water inlet valve is arranged between the water diversion port and the water turbine generator set (2) and used for bearing the start-stop control function of the water turbine generator set (2), a water drainage pipeline (9) is arranged in parallel with a water inlet pipe of the water turbine generator set (2) and is provided with a normally closed control valve, and therefore the ecological water drainage requirement during maintenance and shutdown of the water turbine generator set (2) is met.
5. The ecological power generation system based on the reservoir dam leakage flow as claimed in claim 1, wherein: the total power generation electric quantity of the ecological power generation system is small, so that the ecological power generation system adopts low-voltage output, can be connected to a main plant for service power, and can also be connected to an earth electric system according to requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922008023.8U CN211230690U (en) | 2019-11-20 | 2019-11-20 | Ecological power generation system based on reservoir dam earial drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922008023.8U CN211230690U (en) | 2019-11-20 | 2019-11-20 | Ecological power generation system based on reservoir dam earial drainage |
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| Publication Number | Publication Date |
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| CN211230690U true CN211230690U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922008023.8U Expired - Fee Related CN211230690U (en) | 2019-11-20 | 2019-11-20 | Ecological power generation system based on reservoir dam earial drainage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985269A (en) * | 2019-11-20 | 2020-04-10 | 德阳瀚森机电设备有限责任公司 | Ecological power generation system based on reservoir dam earial drainage |
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2019
- 2019-11-20 CN CN201922008023.8U patent/CN211230690U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985269A (en) * | 2019-11-20 | 2020-04-10 | 德阳瀚森机电设备有限责任公司 | Ecological power generation system based on reservoir dam earial drainage |
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Granted publication date: 20200811 |