CN207582440U - A kind of preposition power station of forebay trash rack - Google Patents
A kind of preposition power station of forebay trash rack Download PDFInfo
- Publication number
- CN207582440U CN207582440U CN201721610750.6U CN201721610750U CN207582440U CN 207582440 U CN207582440 U CN 207582440U CN 201721610750 U CN201721610750 U CN 201721610750U CN 207582440 U CN207582440 U CN 207582440U
- Authority
- CN
- China
- Prior art keywords
- forebay
- trash rack
- water
- power station
- penstock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a kind of preposition power stations of forebay trash rack, and including water-drawing channel, forebay, penstock and the hydraulic turbine, the water-drawing channel, forebay, penstock and the hydraulic turbine are sequentially communicated；The water inlet of the penstock is equipped with main gate；Power station further includes trash rack, and trash rack is located at forebay close to one end of water-drawing channel.The utility model can reduce the floor space of power station diversion entrance, so as to reduce project cost, simplify intake pipe pressure arrangement and improve the safety of the structures.Trash rack is located at forebay close to one end of water-drawing channel, and the width of forebay herein is small, depth as shallow, reduces the keying depth of trash rack, promotion and maintenance difficulty is reduced, and the specification of trash rack is smaller, so as to further reduce project cost.
Description
Technical field
The utility model is related to power station, more particularly to a kind of preposition power station of forebay trash rack.
Background technology
Power station is the integration engineering facility that water can be converted to electric energy.It generally comprises by water blocking, discharge structure shape
Into reservoir and Diversion system of hydropower station, power plant building, electromechanical equipment etc..The high water level water of reservoir flows into workshop through diversion system
Turbine-generator units is pushed to send out electric energy, then boosted transformer, switchyard and transmission line of electricity input power grid.Under normal conditions,
Trash rack, bulkhead gate and the main gate of the forebay water inlet in power station be it is compact be arranged together, Ke Yifang
Just Operation, Administration and Maintenance.But the arrangement of this compact needs to occupy larger space, cause project cost compared with
It is high.
Utility model content
The purpose of the utility model is to provide a kind of preposition power stations of forebay trash rack, can reduce power generation
Stand diversion import structures floor space and improve the structures force-bearing situation, so as to reach reduce project cost, simplification
The purpose of the structures safety is arranged and improved to intake pipe pressure.
In order to solve the above technical problems, the utility model adopts the following technical scheme：
The preposition power station of a kind of forebay trash rack, including water-drawing channel, forebay, penstock and water wheels
Machine, the water-drawing channel, forebay, penstock and the hydraulic turbine are sequentially communicated；The water inlet of the penstock is equipped with
Main gate；Power station further includes trash rack, and trash rack is located at forebay close to one end of water-drawing channel.
As one of which embodiment, in a kind of preposition power station of aforementioned forebay trash rack, the pressure
Power forebay is equipped with trash rack grid slot close to one end of water-drawing channel, and trash rack is fixed in the trash rack grid slot.
It is described to block dirt in a kind of preposition power station of aforementioned forebay trash rack in order to improve trash rack reliability
Side of the grid far from water-drawing channel is equipped with service bridge, and the trash rack grid slot contradicts the bridge pier of the service bridge.
In a kind of preposition power station of aforementioned forebay trash rack, the side of the forebay is equipped with downflow weir.
In a kind of preposition power station of aforementioned forebay trash rack, the side of the downflow weir is equipped with flood discharge sand surfing
Lock.
In order to improve the fixation reliability of penstock and reduce floor space, before a kind of aforementioned forebay trash rack
In the power station put, the both ends of the penstock are located in pedestal, and penstock is located at earth's surface close to one end of forebay
Below.
Compared with prior art, the utility model can reduce the floor space of power station diversion import structures, so as to
Hydropower Project cost is reduced, simplify the arrangement of intake pipe pressure and improves the safety of the structures.Trash rack position
In forebay close to one end of water-drawing channel, the width of forebay herein is small, depth as shallow, reduces the keying of trash rack
Depth reduces promotion and maintenance difficulty, and the specification of trash rack is smaller, so as to further reduce project cost.
Description of the drawings
Fig. 1 is a kind of sectional view of embodiment of the utility model；
Fig. 2 is a kind of structure diagram of embodiment of the utility model.
Reference numeral：1- water-drawing channels, 2- trash racks, 3- trash rack grid slots, 4- service bridges, 5- forebays, 6- water inlets
Mouthful, 7- main gates, 8- pedestals, 9- penstocks, 10- downflow weirs, 11- flood discharge scouring sluices.
The utility model is further described with reference to the accompanying drawings and detailed description.
Specific embodiment
The embodiment 1 of the utility model：As depicted in figs. 1 and 2, the preposition power station of a kind of trash rack 2, including flume
Road 1, forebay 5, penstock 9 and the hydraulic turbine, the water-drawing channel 1, forebay 5, penstock 9 and the hydraulic turbine are successively
Connection；Main gate 7 is equipped at the water inlet 6 of the penstock 9；Power station further includes trash rack 2, and trash rack 2 is located at pressure
Power forebay 5 is close to one end of water-drawing channel 1.
Since 5 depth as shallow of forebay, width are narrow at trash rack 2, so flow is more anxious, in order to improve the steady of trash rack 2
Gu degree, the forebay 5 is equipped with trash rack grid slot 3 close to one end of water-drawing channel 1, and trash rack 2, which is fixed on, described blocks dirt
In grid grid slot 3.The side of the trash rack 2 far from water-drawing channel 1 is equipped with service bridge 4, and the trash rack grid slot 3 contradicts the work
Make the bridge pier of bridge 4.
The embodiment 2 of the utility model：As depicted in figs. 1 and 2, the preposition power station of a kind of trash rack 2, including flume
Road 1, forebay 5, penstock 9 and the hydraulic turbine, the water-drawing channel 1, forebay 5, penstock 9 and the hydraulic turbine are successively
Connection；Main gate 7 is equipped at the water inlet 6 of the penstock 9；Power station further includes trash rack 2, and trash rack 2 is located at pressure
Power forebay 5 is close to one end of water-drawing channel 1.
The forebay 5 is equipped with trash rack grid slot 3 close to one end of water-drawing channel 1, and trash rack 2, which is fixed on, described blocks dirt
In grid grid slot 3.The side of the trash rack 2 far from water-drawing channel 1 is equipped with service bridge 4, and the trash rack grid slot 3 contradicts the work
Make the bridge pier of bridge 4.The side of the forebay 5 is equipped with downflow weir 10.The side of the downflow weir 10 is equipped with flood discharge scouring sluice
11.The both ends of the penstock 9 are located in pedestal 8, and penstock 9 is located at earth's surface hereinafter, both close to one end of forebay 5
Land used can be saved, it can also be ensured that the safety of penstock 9.
Claims (6)
1. a kind of preposition power station of forebay trash rack, which is characterized in that including water-drawing channel (1), forebay (5),
Penstock (9) and the hydraulic turbine, the water-drawing channel (1), forebay (5), penstock (9) and the hydraulic turbine are sequentially communicated；
Main gate (7) is equipped at the water inlet (6) of the penstock (9)；Power station further includes trash rack (2), trash rack (2) position
In forebay (5) close to one end of water-drawing channel (1).
2. the preposition power station of a kind of forebay trash rack according to claim 1, which is characterized in that before the pressure
Pond (5) is equipped with trash rack grid slot (3) close to one end of water-drawing channel (1), and trash rack (2) is fixed on the trash rack grid slot (3)
It is interior.
A kind of 3. preposition power station of forebay trash rack according to claim 2, which is characterized in that the trash rack
(2) side far from water-drawing channel (1) is equipped with service bridge (4), and the trash rack grid slot (3) contradicts the bridge of the service bridge (4)
Pier.
4. a kind of preposition power station of forebay trash rack according to any one of claims 1 to 3, which is characterized in that
The side of the forebay (5) is equipped with downflow weir (10).
A kind of 5. preposition power station of forebay trash rack according to claim 4, which is characterized in that the downflow weir
(10) side is equipped with flood discharge scouring sluice (11).
A kind of 6. preposition power station of forebay trash rack according to claim 5, which is characterized in that the pressure steel
The both ends of pipe (9) are located in pedestal (8), and penstock (9) is located at close to one end of forebay (5) below earth's surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610750.6U CN207582440U (en) | 2017-11-27 | 2017-11-27 | A kind of preposition power station of forebay trash rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610750.6U CN207582440U (en) | 2017-11-27 | 2017-11-27 | A kind of preposition power station of forebay trash rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207582440U true CN207582440U (en) | 2018-07-06 |
Family
ID=62733787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721610750.6U Active CN207582440U (en) | 2017-11-27 | 2017-11-27 | A kind of preposition power station of forebay trash rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207582440U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258471A (en) * | 2019-06-05 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | Riverbed water intaking mouth structure for the water intaking of power station forward direction |
| CN110593226A (en) * | 2019-10-11 | 2019-12-20 | 中国电建集团成都勘测设计研究院有限公司 | Flood discharge drainage channel structure |
| CN112727667A (en) * | 2021-01-04 | 2021-04-30 | 中国电建集团华东勘测设计研究院有限公司 | Intelligent adjustment type water delivery power generation device and monitoring feedback method thereof |
| CN114032856A (en) * | 2021-12-18 | 2022-02-11 | 河南省水利第二工程局 | Construction method of channel and pressure forebay connecting part reinforcing device |
-
2017
- 2017-11-27 CN CN201721610750.6U patent/CN207582440U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258471A (en) * | 2019-06-05 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | Riverbed water intaking mouth structure for the water intaking of power station forward direction |
| CN110593226A (en) * | 2019-10-11 | 2019-12-20 | 中国电建集团成都勘测设计研究院有限公司 | Flood discharge drainage channel structure |
| CN112727667A (en) * | 2021-01-04 | 2021-04-30 | 中国电建集团华东勘测设计研究院有限公司 | Intelligent adjustment type water delivery power generation device and monitoring feedback method thereof |
| CN114032856A (en) * | 2021-12-18 | 2022-02-11 | 河南省水利第二工程局 | Construction method of channel and pressure forebay connecting part reinforcing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207582440U (en) | A kind of preposition power station of forebay trash rack | |
| WO2011146348A1 (en) | River high pressure energy conversion machine | |
| CN114017241A (en) | Mixed arrangement structure of pumping unit and conventional unit of pumping power station | |
| CN109267549A (en) | Diversion tunnel structure | |
| CN103556611A (en) | Plunge pool water filling and discharging system capable of generating electricity | |
| KR101577723B1 (en) | Power generating apparatus used in water passage | |
| CN104099909B (en) | Based on the flood discharge generating sync energy dissipater of flood-discharge tunnel | |
| JPS5862378A (en) | Hydraulic power generating system in multistage dam | |
| CN101846030A (en) | Pipeline hydraulic cluster half-cycle power generation station | |
| CN110468810B (en) | Multi-water-inlet diversion tunnel device and construction method | |
| CN208899441U (en) | Power plant building arragement construction for hydro-electric power project | |
| CN221398890U (en) | Arrangement structure for combining power generation tail water hole and diversion tunnel | |
| CN215715057U (en) | Water-storage power station inlet outlet cable pit drainage canal structure | |
| CN219887111U (en) | Drainage well with energy dissipation function suitable for direct current circulating power plant | |
| CN219011141U (en) | Dual-power tunnel hydroelectric generation structure in water-rich area | |
| CN217300755U (en) | Side-inclined dam hydroelectric generation system, multistage system and new energy system | |
| CN206986862U (en) | Hydroelectric engineering pipeline under pressure hole group arrangement structure | |
| CN202390814U (en) | Hydroelectric power plant with power water lifting function | |
| RU2002888C1 (en) | Pressure derivation cascade for hydro-electric power station | |
| RU2566210C1 (en) | Hpp-hpspp power complex | |
| JP2012145090A (en) | Power generation method by artificial water channel type water-wheel generator, power generation method by sea-water tide type water-wheel generator, artificial water channel type water-wheel generator, sea-water tide type water-wheel generator, artificial water channel for undershot water-wheel generator, and artificial water channel type irrigation water-wheel | |
| RU101461U1 (en) | HYDRAULIC POWER PLANT | |
| CN105863932A (en) | New energy pipeline type hydropower station | |
| RU2017885C1 (en) | River power station | |
| CN204401580U (en) | A kind of power station waterborne |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |