CN201763507U - Multistage fall hydroelectric generating unit and jet channel for same - Google Patents
Multistage fall hydroelectric generating unit and jet channel for same Download PDFInfo
- Publication number
- CN201763507U CN201763507U CN2010202378816U CN201020237881U CN201763507U CN 201763507 U CN201763507 U CN 201763507U CN 2010202378816 U CN2010202378816 U CN 2010202378816U CN 201020237881 U CN201020237881 U CN 201020237881U CN 201763507 U CN201763507 U CN 201763507U
- Authority
- CN
- China
- Prior art keywords
- turbine generator
- accelerating sections
- channel
- section
- jet
- 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.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/08—Machine or engine aggregates in dams or the like; Conduits therefor, e.g. diffusors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/10—Stators
- F05B2240/12—Fluid guiding means, e.g. vanes
- F05B2240/124—Cascades, i.e. assemblies of similar profiles acting in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/20—Geometry three-dimensional
- F05B2250/23—Geometry three-dimensional prismatic
- F05B2250/232—Geometry three-dimensional prismatic conical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/30—Arrangement of components
- F05B2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
- F05B2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/50—Inlet or outlet
- F05B2250/501—Inlet
- F05B2250/5011—Inlet augmenting, i.e. with intercepting fluid flow cross sectional area greater than the rest of the machine behind the inlet
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a multistage fall hydroelectric generating unit and a jet channel for the same, which are designed to solve the problems of lower power generating efficiency and the like in the prior art. The jet channel comprises a channel body provided with an inlet and an outlet, the inlet is used for being connected with a water outlet of a previous-stage turbine generator, the outlet is used for being connected with a water inlet of a next-stage turbine generator, the channel body consists of a water gathering section, an accelerating section and a jet section from top to bottom, the water gathering section is funnel-shaped, the accelerating section arranged along the wall of the funnel-shaped water gathering section is inclined to one side, the jet section is arranged to be inclined to a lower side towards the opposite direction of the accelerating section, and both the accelerating section and the jet section are in the shapes of inverted cones. The multistage fall hydroelectric generating unit consists of the previous-stage turbine generator, the next-stage turbine generator and the jet channel arranged between the two turbine generators. The jet channel can gather and accelerate a water source used by the previous-stage turbine generator to form high-speed jet flow used by the next-stage turbine generator for power generation, the water flow kinetic energy is effectively reserved and used, energy process loss is reduced, the structures are simple, and power generation efficiency is higher.
Description
Technical field
The utility model relates to hydroelectric power system, especially multistage drop hydroelectric power unit and fluidic channel.
Background technique
The existing multistage power generation system of utilizing the drop hydraulic potential to generate electricity, the flow channel that between adjacent two-stage hydraulic turbine generator, is provided with, because it is less to be utilized the part of generating electricity behind the kinetic energy of gravitational potential energy conversion during defective being set causing upper waters to flow to the downstream in shape, major part has just wasted after flowing to the downstream, and the process loss is more, causes generating efficiency lower.
The model utility content
In order to overcome above-mentioned defective, the purpose of this utility model is to provide a kind of simple in structure, fluidic channel that is used for multistage drop hydroelectric power unit of increasing water velocity.
In order to achieve the above object, the fluidic channel that is used for multistage drop hydroelectric power unit of the present utility model comprises channel body, described channel body is provided with the import and the outlet that is used to be connected subordinate's hydraulic turbine generator water intake that is used to connect higher level's hydraulic turbine generator water outlet, described channel body is from top to bottom by the polywater section, accelerating sections, jet segment three parts constitute, wherein, described polywater section is funnel-like, described accelerating sections is provided with along described funnel-like polywater Duan Bixiang lopsidedness, the described relatively accelerating sections of described jet segment is to its tiltedly below setting in the other direction, and described accelerating sections and jet segment all are inverted cone shape.
Wherein, described accelerating sections upper wall surface is the cambered surface of outwards protruding.
Further, the gradient of the relative accelerating sections of gradient of described jet segment is bigger.
Above-mentioned structure, superposed funnel-like polywater section can gather together and enter accelerating sections the current after the utilization of higher level's hydraulic turbine generator are as much as possible, being converted into the kinetic energy water velocity through accelerating sections current gravitational potential energy increases, after jet segment sprays to subordinate's hydraulic turbine generator import promotes water wheels and rotate generating, inverted cone shape accelerating sections and jet segment can form the higher jet flow of flow velocity.
In order to overcome above-mentioned defective, the purpose of this utility model is to provide a kind of simple in structure, multistage drop hydroelectric power unit that the waterpower utilization ratio is high.
In order to achieve the above object, multistage drop hydroelectric power unit of the present utility model, comprise from top to bottom the hydraulic turbine generator of two-stage at least that is provided with and be arranged on adjacent on, flow channel between the following two-stage hydraulic turbine generator, described flow channel comprises channel body, described channel body is provided with the import and the outlet that is used to be connected subordinate's hydraulic turbine generator water intake that is used to connect higher level's hydraulic turbine generator water outlet, described flow channel is a fluidic channel, described channel body is from top to bottom by the polywater section, accelerating sections, jet segment three parts constitute, wherein, described polywater section is funnel-like, described accelerating sections is provided with along described funnel-like polywater Duan Bixiang lopsidedness, the described relatively accelerating sections of described jet segment is to its tiltedly below setting in the other direction, and described accelerating sections and jet segment all are inverted cone shape.
Wherein, described accelerating sections upper wall surface is the cambered surface of outwards protruding.
Further, the gradient of the relative accelerating sections of gradient of described jet segment is bigger.
Particularly, described fluidic channel is by the setting that is staggered relatively of its true dip direction.
Above-mentioned structure, because carrying out conflux, a large amount of current that fluidic channel can be loose distributing quicken and the higher injection water of formation speed, improve the utilization ratio of utilizing the water flow dynamic energy generating greatly, reduced the process loss, improved the generating efficiency of multistage drop hydroelectric power unit.
Description of drawings
Fig. 1 is the structural representation of fluidic channel first specific embodiment of the present utility model.
Fig. 2 is the structural representation of fluidic channel second specific embodiment of the present utility model.
Fig. 3 is the structural representation of the specific embodiment of multi-stage hydroelectric generation unit of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As Fig. 1, Fig. 2, shown in Figure 3, first specific embodiment that is used for the fluidic channel of multistage drop hydroelectric power unit of the present utility model, comprise channel body, described channel body is provided with the import 11 and the outlet 31 that is used to be connected subordinate's hydraulic turbine generator water intake that is used to connect higher level's hydraulic turbine generator water outlet, described channel body is from top to bottom by polywater section 1, accelerating sections 2, jet segment 3 three parts constitute, wherein, described polywater section is funnel-like, described accelerating sections is provided with along described funnel-like polywater Duan Bixiang lopsidedness, reduce resistance to water-flow, increase the water flow in the unit time, increase generating efficiency, the described relatively accelerating sections of described jet segment changes accelerating sections bottom water flow direction to its tiltedly below setting in the other direction, balance accelerating sections water flow impact pressure, described accelerating sections and jet segment all are inverted cone shape.Further, for, the gradient of the relative accelerating sections of gradient of described jet segment is bigger.Described outlet 31 relative imports 11 are much smaller, and the ratio of its opening area was less than 1: 10.
Above-mentioned structure, superposed funnel-like polywater section can gather together and enter accelerating sections the current after the utilization of higher level's hydraulic turbine generator are as much as possible, being converted into the kinetic energy water velocity through accelerating sections current gravitational potential energy increases, after jet segment sprays to subordinate's hydraulic turbine generator import promotes water wheels and rotate generating, inverted cone shape accelerating sections and jet segment can form the higher jet flow of flow velocity.
Wherein as second specific embodiment of the present utility model, described accelerating sections upper wall surface is the cambered surface of outwards protruding 21.Reduce the resistance of current in flow process, reduce the energy process loss.
Multistage drop hydroelectric power unit of the present utility model, comprise that the hydraulic turbine generator of two-stage at least that is provided with (is Pyatyi in this specific embodiment from top to bottom, certainly also can be three grades or level Four etc., specifically be provided with according to water drop) be followed successively by one-level hydraulic turbine generator 10 from top to bottom, secondary hydraulic turbine generator 20, three grades of hydraulic turbine generators 30, level Four hydraulic turbine generator 40, Pyatyi hydraulic turbine generator 50 and be successively set on adjacent on, fluidic channel 100 between the following two-stage hydraulic turbine generator, fluidic channel 200, fluidic channel 300, fluidic channel 400, described fluidic channel comprises channel body, described channel body is provided with the import and the outlet that is used to be connected subordinate's hydraulic turbine generator water intake that is used to connect higher level's hydraulic turbine generator water outlet, described channel body is from top to bottom by the polywater section, accelerating sections, jet segment three parts constitute, wherein, described polywater section is funnel-like, described accelerating sections is provided with along described funnel-like polywater Duan Bixiang lopsidedness, the described relatively accelerating sections of described jet segment is to its tiltedly below setting in the other direction, and described accelerating sections and jet segment all are inverted cone shape.Wherein, described accelerating sections upper wall surface is the cambered surface of outwards protruding.Further, the gradient of the relative accelerating sections of gradient of described jet segment is bigger.Take up room and force balance in order to save, described fluidic channel is by the setting that is staggered relatively of its true dip direction.
Above-mentioned structure, the startup rotating speed of hydraulic turbine generator is lower, generally can start more than 3 meters at water drop, current are through above-mentioned fluidic channel, through state or nature fall relatively, distribution can be carried out conflux than a large amount of current that loose also effectively utilizes acceleration of drop and water internal pressure and the higher injection water of formation speed to enter the rotation of hydraulic turbine generator import promotion water wheels, improved the utilization ratio of utilizing the water flow dynamic energy generating greatly, reduced the process loss, improved the generating efficiency of multistage drop hydroelectric power unit, simple in structure, generating efficiency is higher, be not only applicable to the bigger water source of water drop, be applicable to the water source that water drop is little relatively yet.
The utility model is not limited to above-mentioned mode of execution; no matter on its shape or structure, do any variation; every fluidic channel of utilizing above-mentioned multistage drop hydroelectric power unit and being used for this generator set all is a kind of distortion of the present utility model, all should think and drop within the utility model protection domain.
Claims (7)
1. fluidic channel that is used for multistage drop hydroelectric power unit, comprise channel body, described channel body is provided with the import and the outlet that is used to be connected subordinate's hydraulic turbine generator water intake that is used to connect higher level's hydraulic turbine generator water outlet, it is characterized in that, described channel body is from top to bottom by the polywater section, accelerating sections, jet segment three parts constitute, wherein, described polywater section is funnel-like, described accelerating sections is provided with along described funnel-like polywater Duan Bixiang lopsidedness, the described relatively accelerating sections of described jet segment is to its tiltedly below setting in the other direction, and described accelerating sections and jet segment all are inverted cone shape.
2. the fluidic channel that is used for multistage drop hydroelectric power unit as claimed in claim 1 is characterized in that, described accelerating sections upper wall surface is the cambered surface of outwards protruding.
3. the fluidic channel that is used for multistage drop hydroelectric power unit as claimed in claim 1 or 2 is characterized in that the gradient of the relative accelerating sections of gradient of described jet segment is bigger.
4. multistage drop hydroelectric power unit, comprise from top to bottom the hydraulic turbine generator of two-stage at least that is provided with and be arranged on adjacent on, flow channel between the following two-stage hydraulic turbine generator, described flow channel comprises channel body, described channel body is provided with the import and the outlet that is used to be connected subordinate's hydraulic turbine generator water intake that is used to connect higher level's hydraulic turbine generator water outlet, it is characterized in that, described flow channel is a fluidic channel, described channel body is from top to bottom by the polywater section, accelerating sections, jet segment three parts constitute, wherein, described polywater section is funnel-like, described accelerating sections is provided with along described funnel-like polywater Duan Bixiang lopsidedness, the described relatively accelerating sections of described jet segment is to its tiltedly below setting in the other direction, and described accelerating sections and jet segment all are inverted cone shape.
5. multistage drop hydroelectric power unit as claimed in claim 4 is characterized in that, described accelerating sections upper wall surface is the cambered surface of outwards protruding.
6. as claim 4 or 5 described multistage drop hydroelectric power units, it is characterized in that the gradient of the relative accelerating sections of gradient of described jet segment is bigger.
7. multistage drop hydroelectric power unit as claimed in claim 6 is characterized in that, described fluidic channel is by the setting that is staggered relatively of its true dip direction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202378816U CN201763507U (en) | 2010-06-25 | 2010-06-25 | Multistage fall hydroelectric generating unit and jet channel for same |
| PCT/CN2010/075652 WO2011160325A1 (en) | 2010-06-25 | 2010-08-03 | Jet passage for multistage fall hydraulic generator set and multistage fall hydraulic generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202378816U CN201763507U (en) | 2010-06-25 | 2010-06-25 | Multistage fall hydroelectric generating unit and jet channel for same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201763507U true CN201763507U (en) | 2011-03-16 |
Family
ID=43716114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202378816U Expired - Fee Related CN201763507U (en) | 2010-06-25 | 2010-06-25 | Multistage fall hydroelectric generating unit and jet channel for same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201763507U (en) |
| WO (1) | WO2011160325A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182661A (en) * | 2011-05-11 | 2011-09-14 | 方青松 | Atmosphere temperature difference power generation device |
| CN102913368A (en) * | 2012-11-13 | 2013-02-06 | 梁家超 | Large-scale mixed-flow hydroelectric generator group |
| CN103437938A (en) * | 2013-08-29 | 2013-12-11 | 昆山建金工业设计有限公司 | Multi-blade turbine device |
| CN103758717A (en) * | 2013-10-25 | 2014-04-30 | 姚彦林 | Thermoelectric power generation method and thermoelectric power generation system |
| CN104121139A (en) * | 2013-04-26 | 2014-10-29 | 贺瑞华 | Multi-stage hydraulic ram electricity-generating device |
| CN105298722A (en) * | 2015-10-29 | 2016-02-03 | 刘洋 | Efficient water-saving hydroelectric device |
| WO2016188119A2 (en) * | 2015-05-27 | 2016-12-01 | 张发林 | Single-tunnel multi-level hydroelectric power generation device |
| CN108266302A (en) * | 2017-01-02 | 2018-07-10 | 向兴华 | The hydropower station amount that drop can be made high increases a kind of 1-3 times of penstock |
| CN109595115A (en) * | 2015-10-24 | 2019-04-09 | 王雪梅 | One kind being used for hydroelectric equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2657044C2 (en) * | 2016-11-15 | 2018-06-08 | Михаил Николаевич Кондратьев | Damless hydroelectric power plant (dhepp) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE158383T1 (en) * | 1993-02-18 | 1997-10-15 | Walter Goetz | MULTI-STAGE HYDROPRESSURE POWER PLANT |
| CA2278707C (en) * | 1996-01-31 | 2007-01-30 | David Daniel August Piesold | Helical penstock |
| CN2327799Y (en) * | 1997-09-30 | 1999-07-07 | 柴恭纯 | Miniature hydrogenerator |
| CN2651462Y (en) * | 2003-11-18 | 2004-10-27 | 汪建文 | Small pelton turbine generator set |
-
2010
- 2010-06-25 CN CN2010202378816U patent/CN201763507U/en not_active Expired - Fee Related
- 2010-08-03 WO PCT/CN2010/075652 patent/WO2011160325A1/en active Application Filing
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182661A (en) * | 2011-05-11 | 2011-09-14 | 方青松 | Atmosphere temperature difference power generation device |
| CN102913368A (en) * | 2012-11-13 | 2013-02-06 | 梁家超 | Large-scale mixed-flow hydroelectric generator group |
| CN102913368B (en) * | 2012-11-13 | 2018-12-28 | 梁家超 | Large-scale mixed turbine-generator units |
| CN104121139A (en) * | 2013-04-26 | 2014-10-29 | 贺瑞华 | Multi-stage hydraulic ram electricity-generating device |
| CN103437938A (en) * | 2013-08-29 | 2013-12-11 | 昆山建金工业设计有限公司 | Multi-blade turbine device |
| CN103758717A (en) * | 2013-10-25 | 2014-04-30 | 姚彦林 | Thermoelectric power generation method and thermoelectric power generation system |
| WO2016188119A2 (en) * | 2015-05-27 | 2016-12-01 | 张发林 | Single-tunnel multi-level hydroelectric power generation device |
| WO2016188119A3 (en) * | 2015-05-27 | 2017-02-09 | 张发林 | Single-tunnel multi-level hydroelectric power generation device |
| CN109595115A (en) * | 2015-10-24 | 2019-04-09 | 王雪梅 | One kind being used for hydroelectric equipment |
| CN105298722A (en) * | 2015-10-29 | 2016-02-03 | 刘洋 | Efficient water-saving hydroelectric device |
| CN105298722B (en) * | 2015-10-29 | 2018-08-31 | 广东怀集高塘水电有限公司 | A kind of hydroelectric installation of high-efficiency water-saving |
| CN108266302A (en) * | 2017-01-02 | 2018-07-10 | 向兴华 | The hydropower station amount that drop can be made high increases a kind of 1-3 times of penstock |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011160325A1 (en) | 2011-12-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20120625 |