CN105464877B - A kind of composite injection trunnion axis hydraulic turbine structure - Google Patents
A kind of composite injection trunnion axis hydraulic turbine structure Download PDFInfo
- Publication number
- CN105464877B CN105464877B CN201610000645.4A CN201610000645A CN105464877B CN 105464877 B CN105464877 B CN 105464877B CN 201610000645 A CN201610000645 A CN 201610000645A CN 105464877 B CN105464877 B CN 105464877B
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- CN
- China
- Prior art keywords
- blade
- hydraulic turbine
- composite injection
- catch basin
- injection pipe
- 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.)
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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
- F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
- F03B1/04—Nozzles; Nozzle-carrying members
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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
- F05B2240/20—Rotors
- F05B2240/24—Rotors for turbines
- F05B2240/241—Rotors for turbines of impulse type
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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
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- 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
-
- 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
A kind of composite injection trunnion axis hydraulic turbine structure, the technical issues of solving to improve the efficiency of the hydraulic turbine, the technical solution adopted is that, hydroturbine water intake mouth and hydraulic turbine water outlet are arranged in 90 ° on hydraulic turbine shell, it is provided with composite injection catch basin on the leaf basin of blade, the composite injection pipe being connected to composite injection catch basin through blade is provided on blade back.The invention has the advantages that on the basis of the basic structure based on the hydraulic turbine, the efficiency of the hydraulic turbine is greatly improved, theoretical calculation and it is demonstrated experimentally that the efficiency 1 3% of the hydraulic turbine can be improved in simple in structure, simple production process.
Description
Technical field
The present invention relates to a kind of hydraulic turbine structure, especially a kind of composite injection trunnion axis hydraulic turbine structure.
Background technology
The hydraulic turbine is a kind of power plant that the flow with kinetic energy is converted into mechanical rotation generally used, is answered extensively
For uses such as water generatings.The efficiency of the hydraulic turbine, i.e., the conversion ratio that the kinetic energy of flow is converted into mechanical rotation are the hydraulic turbines
The core of design, the efficiency that the hydraulic turbine is continuously improved are the Key technique problems that the industry constantly pursues hydraulic turbine technological progress.
In the prior art, the efficiency for the raising hydraulic turbine is generally used constantly is improved on blade shape.
Goal of the invention
To improve the efficiency of the hydraulic turbine, overcomes the prior art to use and be reached for carrying to being subject to constantly to improve on blade shape
The technical issues of efficiency of the high hydraulic turbine, the present invention will be by that will enter the flow in the hydraulic turbine, after being impacted for the first time to blade, the water
By blade, to the progress of lower grade blade, Secondary Shocks, the continuous composite impact realized successively realize that the kinetic energy of flow is multistage to stream again
Blade absorbs the mechanical energy that conversion drives the rotation of hydraulic turbine shaft, reaches the goal of the invention for the efficiency for improving the hydraulic turbine.
The present invention realize goal of the invention the technical solution adopted is that：A kind of composite injection trunnion axis hydraulic turbine structure, including：
Hydraulic turbine shell, hydroturbine water intake mouth, hydraulic turbine water outlet, trunnion axis, blade, bucket cover plate and blade substrate, in the hydraulic turbine
In shell, it is fixedly mounted on the horizontal axis after blade and bucket cover plate and blade substrate connection, constitutes opening for circumference hydraulic blow
The cavity of mouth.
The hydroturbine water intake mouth and hydraulic turbine water outlet is arranged in 90 ° on hydraulic turbine shell；
It is provided with composite injection catch basin on the leaf basin of the blade, is provided on blade back through blade and composite injection collection
The composite injection pipe of sink connection.
The invention has the advantages that on the basis of the basic structure based on the hydraulic turbine, the efficiency of the hydraulic turbine is greatly improved,
Simple in structure, theoretical calculation and it is demonstrated experimentally that the efficiency 1-3% of the hydraulic turbine can be improved in simple production process.
Present invention will now be described in detail with reference to the accompanying drawings..
Description of the drawings
Attached drawing 1 is diagrammatic cross-section of the present invention.
Attached drawing 2 is attached drawing 1A-A diagrammatic cross-sections.
In attached drawing, 1 hydroturbine water intake mouth, 2 hydraulic turbine water outlets, 3 hydraulic turbine shells, 4 blades, 4-1 injections catch basin, 4-
2 composite injection pipes.
Specific implementation mode
Referring to attached drawing, a kind of composite injection trunnion axis hydraulic turbine structure, including：Hydraulic turbine shell, hydroturbine water intake mouth, water
Turbine water outlet, trunnion axis, blade, bucket cover plate and blade substrate, in hydraulic turbine shell, blade and bucket cover plate and blade
The cavity for the opening for constituting circumference hydraulic blow on the horizontal axis is fixedly mounted after substrate connection.
The hydroturbine water intake mouth 1 and hydraulic turbine water outlet 2 is arranged in 90 ° on hydraulic turbine shell 3.
Composite injection catch basin 4-1 is provided on the leaf basin of the blade 4, be provided on blade back through blade 4 with it is compound
Spray the composite injection pipe 4-2 of catch basin 4-1 connections.
The core that the present invention improves turbine efficiency is, water flows through after water inlet 1 enters in hydraulic turbine shell 3, first
The first grade blade is impacted, since the kinetic energy of flow is not absorbed by the first grade blade 4 completely, flow also has certain kinetic energy,
After being collected by composite injection catch basin 4-1, impact is carried out to next grade blade through composite injection pipe 4-2 and realizes that flow is compound to leaf
Piece injection acting, until flow velocity and the blade velocity of rotation of flow are just as the kinetic energy that can convert is efficient to be converted by blade.
In the embodiment of the present invention, to collect the flow for impacting the blade, the composite injection catch basin 4-1 notch shapes
It is being the rectangle less than 4 width of blade apart from the distal end of trunnion axis, the other end is that vertex and composite injection pipe 4-2 endoporus are tangent
Triangle, the flow in composite injection catch basin 4-1 enter composite injection pipe 4-2 after being concentrated.Reach repressurization flow
Purpose.
In the embodiment of the present invention, water impact composite injection catch basin is taken into account to collect in the water flow process for impacting the blade
The kinetic energy of 4-1 converts on the blade, and the composite injection catch basin 4-1 depth direction sections are taper.
In the embodiment of the present invention, the kinetic energy conversion loss that the divergent belt to reduce composite injection pipe 4-2 outlet streams comes, institute
The composite injection pipe 4-2 stated is conical pipe.
To increase water impact next stage blade moment, the angle of composite injection pipe 4-2 settings is composite injection pipe 4-2
Axis in next grade blade（4）On injection catch basin 4-1 in, the axis of composite injection pipe 4-2 and next grade blade（4）On
Injection catch basin 4-1 rectangular end faces distance be 1-1.5 times composite injection pipe 4-2 internal bore radius.Above structure ensures compound
Injection pipe 4-2 outlet streams enter in the injection catch basin 4-1 of next grade blade, while force position is in the distal end of blade.
The composite injection pipe 4-2 is conical pipe, and the angle of composite injection pipe 4-2 setting is, composite injection pipe 4-2's
For axis in injection catch basin 4-1, axis and the injection catch basin 4-1 rectangular end face distances of composite injection pipe 4-2 are 1-1.3 times
The water outlets composite injection pipe 4-2 internal bore radius.
In the embodiment of the present invention, to improve the water collection efficiency of injection catch basin 4-1, the composite injection catch basin 4-1
Length is more than the 1/2 of 4 leaf basin bus length of blade, and injection catch basin 4-1 rectangular ends are 4 leaf basin of blade apart from 4 outer end face of blade
The 2-10% of bus length.
Leaf basin busbar is the range line profile of blade along its length.
In the embodiment of the present invention, to further increase impact moments and guarantee of the composite injection pipe 4-2 to next grade blade
Its flow, the composite injection pipe 4-2 are the ellipses that 4 width direction of blade is long axis.Oval composite injection pipe 4-2's
Short axle greatly reduces the size along length of blade direction.
Claims (3)
1. a kind of composite injection trunnion axis hydraulic turbine structure, including：Hydraulic turbine shell, hydroturbine water intake mouth, hydraulic turbine water outlet,
Trunnion axis, blade, bucket cover plate and blade substrate, in hydraulic turbine shell, after blade and bucket cover plate and blade substrate connection
The cavity for the opening for constituting circumference hydraulic blow on the horizontal axis is fixedly mounted, it is characterised in that：
The hydroturbine water intake mouth（1）With hydraulic turbine water outlet（2）It is arranged in hydraulic turbine shell in 90 °（3）On；
The blade（4）Leaf basin on be provided with composite injection catch basin（4-1）, it is provided with through blade on blade back（4）With it is multiple
Close injection catch basin（4-1）The composite injection pipe of connection（4-2）;
The composite injection catch basin（4-1）Notch shape is being less than blade apart from the distal end of trunnion axis（4）The square of width
Shape, the other end are vertex and composite injection pipe（4-2）The tangent triangle of endoporus；
The composite injection pipe（4-2）For conical pipe, composite injection pipe（4-2）The angle of setting is composite injection pipe（4-2）
Axis in next grade blade（4）On injection catch basin（4-1）It is interior, composite injection pipe（4-2）Axis and next grade blade
（4）On injection catch basin（4-1）The composite injection pipe that rectangular end face distance apart from the distal end of trunnion axis is 1-1.3 times（4-
2）Internal bore radius.
2. a kind of composite injection trunnion axis hydraulic turbine structure according to claim 1, it is characterised in that：The compound spray
Penetrate catch basin（4-1）Length is more than blade（4）Catch basin is sprayed in the 1/2 of leaf basin bus length（4-1）Apart from the distal end of trunnion axis
Rectangular end apart from blade（4）End face is blade（4）The 2-10% of leaf basin bus length.
3. a kind of composite injection trunnion axis hydraulic turbine structure according to claim 1 or 2, it is characterised in that：Described answers
Close injection pipe（4-2）It is blade（4）Width direction is the ellipse of long axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000645.4A CN105464877B (en) | 2016-01-04 | 2016-01-04 | A kind of composite injection trunnion axis hydraulic turbine structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000645.4A CN105464877B (en) | 2016-01-04 | 2016-01-04 | A kind of composite injection trunnion axis hydraulic turbine structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105464877A CN105464877A (en) | 2016-04-06 |
| CN105464877B true CN105464877B (en) | 2018-09-07 |
Family
ID=55602950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610000645.4A Active CN105464877B (en) | 2016-01-04 | 2016-01-04 | A kind of composite injection trunnion axis hydraulic turbine structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105464877B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191010612A (en) * | 1910-04-29 | 1910-09-15 | Josef Desenberg | Improvements in Small Impulse Water Turbines. |
| CN2061615U (en) * | 1988-03-23 | 1990-09-05 | 谭吉运 | Vertical ring multiple nozzle for microturbine |
| WO2009151349A1 (en) * | 2008-06-10 | 2009-12-17 | Vasile Silaghi | Hydraulic turbine with circular flow |
| CN102384005A (en) * | 2011-05-17 | 2012-03-21 | 李光天 | Secondary jet impulse water turbine |
| CN103615352A (en) * | 2013-12-16 | 2014-03-05 | 重庆大学 | Water bucket type wave motor |
| CN205445870U (en) * | 2016-01-04 | 2016-08-10 | 李光天 | Compound injection level axle hydraulic turbine structure |
-
2016
- 2016-01-04 CN CN201610000645.4A patent/CN105464877B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191010612A (en) * | 1910-04-29 | 1910-09-15 | Josef Desenberg | Improvements in Small Impulse Water Turbines. |
| CN2061615U (en) * | 1988-03-23 | 1990-09-05 | 谭吉运 | Vertical ring multiple nozzle for microturbine |
| WO2009151349A1 (en) * | 2008-06-10 | 2009-12-17 | Vasile Silaghi | Hydraulic turbine with circular flow |
| CN102384005A (en) * | 2011-05-17 | 2012-03-21 | 李光天 | Secondary jet impulse water turbine |
| CN103615352A (en) * | 2013-12-16 | 2014-03-05 | 重庆大学 | Water bucket type wave motor |
| CN205445870U (en) * | 2016-01-04 | 2016-08-10 | 李光天 | Compound injection level axle hydraulic turbine structure |
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| Publication number | Publication date |
|---|---|
| CN105464877A (en) | 2016-04-06 |
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Effective date of registration: 20191217 Address after: Room a, floor 2, haiyuange, yonganda garden, Southeast of the junction of Haili Avenue and 3rd Ring Road, Haifeng County, Shanwei City, Guangdong Province Patentee after: Guangdong taikaineng Power Development Co., Ltd Address before: 518000, unit 8, building two, 1 phase 3 garden, Shawan County, road, Longgang District, Guangdong, Shenzhen Patentee before: Li Guangtian |
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Effective date of registration: 20220126 Address after: Room 10C, unit 1, building 8, phase II, Nianhua garden, Shawan Yingjun, No.3, Lingbei Road, Longgang District, Shenzhen, Guangdong 518000 Patentee after: Li Guangtian Address before: 516600 unit a, 2nd floor, Haiyuan Pavilion, yonganda garden, Southeast of the junction of Haili Avenue and Third Ring Road, Haifeng County, Shanwei City, Guangdong Province Patentee before: Guangdong taikaineng Power Development Co.,Ltd. |