CN214366506U - Water turbine flow guide structure for open channel power generation - Google Patents
Water turbine flow guide structure for open channel power generation Download PDFInfo
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- CN214366506U CN214366506U CN202023197625.1U CN202023197625U CN214366506U CN 214366506 U CN214366506 U CN 214366506U CN 202023197625 U CN202023197625 U CN 202023197625U CN 214366506 U CN214366506 U CN 214366506U
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- water turbine
- straight baffle
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model provides a hydraulic turbine water conservancy diversion structure for open channel electricity generation, the circular fender that encloses including open-top, the bottom center department of enclosing the fender opens there is the work entrance to a cave, the outside integral type of work entrance to a cave is connected with outside convex hydraulic turbine work groove, it has the breach to enclose to open on the fender, the both sides of breach are fixed with straight baffle respectively and buckle the baffle, straight baffle with enclose the tangent setting of fender, the junction fixedly connected with cowl of buckle baffle and breach, cowl extends to straight baffle direction and with straight baffle between reserve has the second to accelerate the passageway, first baffle is the inflow mouth section with the passageway between the straight baffle, second baffle and the passageway between the straight baffle are the convergent section that flows, be the acceleration section that flows between connecting plate and the straight baffle, cowl and the passageway between the straight baffle are the second to accelerate the passageway. The flow guide structure is simple to manufacture, can quickly finish the installation of the water turbine, and can accelerate the secondary flow of water flowing into the flow guide structure to make up the problem of insufficient water head of an open channel.
Description
Technical Field
The utility model relates to a hydroelectric power generation technical field, concretely relates to hydraulic turbine water conservancy diversion structure for open channel electricity generation.
Background
The hydroelectric power generation uses the water flow with potential energy at high position such as rivers, lakes, etc. to the low position, and converts the potential energy contained therein into the kinetic energy of the water turbine, and then uses the water turbine as the motive power to drive the generator to generate electric energy. The hydraulic power (with a water head) is used for pushing a water turbine to rotate, so that the hydraulic power is converted into mechanical energy, a generator connected to the water turbine can generate electricity along with the rotation of the water turbine, and the mechanical energy is converted into electric energy. The water turbine is important hydroelectric equipment, is an indispensable component in the hydroelectric power generation industry, and is important equipment for fully utilizing clean renewable energy sources to realize energy conservation, emission reduction and environmental pollution reduction.
At present, the water turbine generator set is mainly installed in a great river to generate electricity so as to provide sufficient power supply. However, the number of rivers in China is far less than that of open channels distributed in a large range, and the situation of insufficient power can be relieved by using the open channels to provide power for local areas. However, the existing flow guide structure for the water turbine power generation equipment for the open channel is less, and the advantages and potential of the water turbine power generation cannot be fully exerted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, designed a hydraulic turbine water conservancy diversion structure for open channel electricity generation, this water conservancy diversion structure simple manufacture can accomplish the installation of the hydraulic turbine fast, and this water conservancy diversion structure can improve the velocity of flow that flows into rivers wherein simultaneously in order to compensate the not enough problem of flood peak of open channel.
In order to achieve the technical effects, the utility model discloses a following technical scheme realizes:
a water turbine flow guide structure for open channel power generation comprises a circular enclosure with an opening at the top, wherein a working hole is formed in the center of the bottom of the enclosure, a water turbine working groove protruding outwards is integrally connected to the outer side of the working hole, a notch is formed in the enclosure, a straight baffle and a bent baffle are fixed to the two sides of the notch respectively, the straight baffle and the enclosure are arranged in a tangent mode, an arc-shaped baffle is fixedly connected to the joint of the bent baffle and the notch, the arc-shaped baffle extends towards the direction of the straight baffle and a second accelerating channel is reserved between the arc-shaped baffle and the straight baffle, the bent baffle is composed of a first baffle, a second baffle and a connecting plate, the first baffle and the straight baffle are arranged in a parallel mode, the extension line of the first baffle is tangent to the enclosure, the first baffle is fixedly connected with the second baffle, the second baffle is arranged in an inclined mode, and the second baffle is fixedly connected with the enclosure through the connecting plate; the bottom of the working groove of the water turbine is provided with a plurality of discharge holes, the center of the working groove of the water turbine is provided with a hinge groove, and two sides of the hinge groove are symmetrically provided with fixed grooves; the channel between the first baffle and the straight baffle is an inflow opening section, the channel between the second baffle and the straight baffle is a flow reducing section, the channel between the connecting plate and the straight baffle is a flow accelerating section, and the channel between the arc-shaped baffle and the straight baffle is a second accelerating channel.
Furthermore, the second baffle and the first baffle are obliquely arranged at an angle of 45 degrees.
Furthermore, the enclosure, the straight baffle, the bent baffle and the water turbine working groove are prefabricated by concrete or stainless steel plates.
The utility model has the advantages that: the flow guide structure is simple to manufacture, can quickly finish the installation of the water turbine, and can accelerate the secondary flow of water flowing into the flow guide structure to make up the problem of insufficient water head of an open channel.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a flow guide structure of a water turbine for open channel power generation;
FIG. 2 is a schematic bottom view of a turbine flow directing structure for open channel power generation;
fig. 3 is a schematic structural view of the working channel of the water turbine.
In the drawings, the components represented by the respective reference numerals are listed below:
1-enclosure, 2-working hole, 3-straight baffle, 4-first baffle, 5-second baffle, 6-arc baffle, 7-inflow port section, 8-flow reducing section, 9-flow accelerating section, 10-second accelerating channel, 11-water turbine working groove, 12-discharge hole, 13-hinge groove, 14-fixing groove and 15-water turbine base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, a water turbine diversion structure for open channel power generation comprises a circular enclosure 1 with an open top, a working hole 2 is formed in the center of the bottom of the enclosure 1, a water turbine working groove 11 protruding outwards is integrally connected to the outer side of the working hole 2, a notch is formed in the enclosure 1, a straight baffle 3 and a bent baffle are respectively fixed to two sides of the notch, the straight baffle 3 is arranged in a tangent manner with the enclosure 1, an arc baffle 6 is fixedly connected to the joint of the bent baffle and the notch, the arc baffle 6 extends in the direction of the straight baffle 3 and is reserved with a second accelerating channel 10 between the straight baffle 3, the bent baffle is composed of a first baffle 4, a second baffle 5 and a connecting plate, the first baffle 4 is arranged in parallel with the straight baffle 3, the extension line of the first baffle 4 is tangent with the enclosure 1, the first baffle 4 is fixedly connected with the second baffle 5, the second baffle 5 inclines at an angle of 45 degrees with the first baffle 4, the second baffle 5 is fixedly connected with the enclosure 1 through a connecting plate; a plurality of discharge holes 12 are formed in the bottom of the water turbine working groove 11, a hinge groove 13 is formed in the center of the water turbine working groove 11, fixing grooves 14 are symmetrically formed in two sides of the hinge groove 13, a rotating shaft on a water turbine base is inserted into the hinge groove 13, and clamping columns on a water turbine base 15 are inserted into the fixing grooves 14 and fixed on the water turbine working groove 11; the channel between the first baffle 4 and the straight baffle 3 is an inflow opening section 7, the channel between the second baffle and the straight baffle is a flow reducing section 8, the flow accelerating section 9 is arranged between the connecting plate and the straight baffle, and the channel between the arc-shaped baffle 6 and the straight baffle 3 is a second accelerating channel 10. The enclosure 1, the straight baffle 3, the bent baffle and the water turbine working groove 11 are prefabricated by concrete or stainless steel plates.
One specific application of the structure is as follows: the straight baffle 3 and the first baffle 4 are respectively fixed on two banks of the open channel, water flow in the open channel enters the structure along the inflow port section 7, the water flow enters the flow reducing section 8 through the inflow port section 7, according to the Venturi effect, the flow rate of the water flow is increased along with the reduction of the flow cross section, the flow rate of the water flow is increased through the first wheel and then enters the flow accelerating section 9, the flow rate of the water flow reaches a first peak, then the water flow flows into the second accelerating channel 10, the flow cross section is further reduced, the flow rate of the water flow is increased through the second wheel and then enters the enclosure, the water flow enters the enclosure and then enters the water turbine working groove 11 in a vortex shape, the blades of the water turbine rotate along with the rotation of the vortex, and the generator connected with the rotating shaft of the water turbine does work under the driving of the water turbine to generate current.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. A water turbine flow guide structure for open channel power generation is characterized by comprising a circular baffle with an opening at the top, wherein a working hole is formed in the center of the bottom of the baffle, a water turbine working groove protruding outwards is integrally connected to the outer side of the working hole, a notch is formed in the baffle, a straight baffle and a bent baffle are fixed to two sides of the notch respectively, the straight baffle and the baffle are arranged in a tangent mode, an arc-shaped baffle is fixedly connected to the joint of the bent baffle and the notch, the arc-shaped baffle extends towards the direction of the straight baffle and a second accelerating channel is reserved between the arc-shaped baffle and the straight baffle, the bent baffle is composed of a first baffle, a second baffle and a connecting plate, the first baffle and the straight baffle are arranged in a parallel mode, the extension line of the first baffle is tangent to the baffle, the first baffle is fixedly connected with the second baffle, the second baffle is arranged in an inclined mode, and the second baffle is fixedly connected with the baffle through the connecting plate; the bottom of the working groove of the water turbine is provided with a plurality of discharge holes, the center of the working groove of the water turbine is provided with a hinge groove, and two sides of the hinge groove are symmetrically provided with fixed grooves; the channel between the first baffle and the straight baffle is an inflow opening section, the channel between the second baffle and the straight baffle is a flow reducing section, the channel between the connecting plate and the straight baffle is a flow accelerating section, and the channel between the arc-shaped baffle and the straight baffle is a second accelerating channel.
2. The flow guide structure of a water turbine for open channel power generation as claimed in claim 1, wherein the second baffle is inclined at an angle of 45 degrees to the first baffle.
3. The flow guiding structure of a water turbine for open channel power generation according to claim 1, wherein the enclosure, the straight baffle plate, the bent baffle plate and the water turbine working groove are prefabricated by concrete or stainless steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023197625.1U CN214366506U (en) | 2020-12-26 | 2020-12-26 | Water turbine flow guide structure for open channel power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023197625.1U CN214366506U (en) | 2020-12-26 | 2020-12-26 | Water turbine flow guide structure for open channel power generation |
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| CN214366506U true CN214366506U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023197625.1U Active CN214366506U (en) | 2020-12-26 | 2020-12-26 | Water turbine flow guide structure for open channel power generation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191863A (en) * | 2021-11-25 | 2022-03-18 | 河北华丰能源科技发展有限公司 | Circulation pump drainage device |
| CN114703793A (en) * | 2021-12-27 | 2022-07-05 | 昆明理工大学 | Hydraulic structure for micro-head hydroelectric generation and design method thereof |
-
2020
- 2020-12-26 CN CN202023197625.1U patent/CN214366506U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191863A (en) * | 2021-11-25 | 2022-03-18 | 河北华丰能源科技发展有限公司 | Circulation pump drainage device |
| CN114191863B (en) * | 2021-11-25 | 2023-09-12 | 河北华丰能源科技发展有限公司 | Circulation pumping device |
| CN114703793A (en) * | 2021-12-27 | 2022-07-05 | 昆明理工大学 | Hydraulic structure for micro-head hydroelectric generation and design method thereof |
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