CN205315190U - Axial flow water turbine - Google Patents
Axial flow water turbine Download PDFInfo
- Publication number
- CN205315190U CN205315190U CN201620093805.XU CN201620093805U CN205315190U CN 205315190 U CN205315190 U CN 205315190U CN 201620093805 U CN201620093805 U CN 201620093805U CN 205315190 U CN205315190 U CN 205315190U
- Authority
- CN
- China
- Prior art keywords
- runner
- axial flow
- guide vane
- hydraulic turbine
- movable guide
- 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
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 provides an axial flow water turbine, main shaft in the organism is gone into to organism, vertical extension and installing at main epaxial runner, upper end and the lower extreme that lies in the organism are provided with water inlet and delivery port respectively, be provided with the chamber for runner that holds the runner in the organism, the chamber for runner top is enclosed and is equipped with guide vanes, the main shaft position that is located the runner top is provided with the whirl groove, be provided with the whirl blade on the runner, the utility model discloses a whirl groove is provided with in the top that the pivot is located the runner, rotatory rivers can be produces through the whirl groove, especially when starting, can the quick start runner, improve axial flow water turbine's working efficiency.
Description
Technical field
This utility model belongs to hydraulic generator, namely with the jet impulse of high-speed liquid equipped with the turbine on the rotor of blade or the like, for instance pelton wheel; The technical field of its special-purpose member or part, specifically a kind of axial flow hydraulic turbine.
Background technology
The hydraulic turbine is important hydroelectric facility, is the requisite ingredient of hydroelectric generation industry, is make full use of clean reproducible energy to realize energy-saving and emission-reduction, reduce the visual plant of environmental pollution. At present, along with country encourages exploitation clean energy resource, and along with the raising of rate for incorporation into the power network, the low water head resource of Development volue is not originally much had to be put on exploitation schedule yet; The axial flow hydraulic turbine of prior art adopts axial flow hydraulic turbine, and it is made up of the structure such as outer seat loop, pit liner, control loop, bi-layer tip cap, double-deck support cap, base ring, runner envelope, babbitt metal bearing guide bearing; Although it is applicable to the power station of high and low two kinds of heads, but owing to its structure member is more, therefore its production cost is higher, and guide bearing need to adopt oil lubricating, and then causes that its maintenance cost is also higher.
Summary of the invention
In view of this, the purpose of this utility model is in that to provide a kind of axial flow hydraulic turbine, this axial flow hydraulic turbine is provided above eddy flow groove by what be positioned at runner in rotating shaft, rotary water current can be produced by eddy flow groove, particularly when starting, can quickly start runner, improve the working efficiency of axial flow hydraulic turbine.
In order to solve above-mentioned technical problem, this utility model one axial flow hydraulic turbine, including body, vertically extend into the main shaft in body and the runner being arranged on main shaft, the top and bottom being positioned at body are respectively arranged with water inlet and outlet, the runner envelope holding runner it is provided with in described body, enclose above described runner envelope and be provided with guide vane, described in be positioned at the main shaft position above runner and be provided with eddy flow groove, described runner is provided with swirl vane.
Further, described rotation launder outlet just middle part to swirl vane.
Further, described movable guide vane is provided with concave curvatures near the inner side of runner, and described movable guide vane opposite side is provided with reinforcement.
Further, described movable guide vane being provided with mounting post, described mounting post is arranged on one end of movable guide vane, described movable guide vane from mounting post one end to one end of remotely mounted post its thickness thinning gradually.
Further, the trend of described concave curvatures is set to arc.
Further, described movable guide vane is provided with mounting seat near the side of reinforcement, and described mounting seat is connected to spring, and the other end of described spring is connected to baffle plate, and described baffle plate is fixed in spiral case.
The beneficial effects of the utility model are in that:
This utility model axial flow hydraulic turbine is provided above eddy flow groove by what be positioned at runner in rotating shaft, can produce rotary water current by eddy flow groove, particularly when starting, it is possible to quickly start runner, improves the working efficiency of axial flow hydraulic turbine.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model axial flow hydraulic turbine;
Fig. 2 is the structural representation of guide vane in this utility model axial flow hydraulic turbine.
Accompanying drawing labelling: 1-body; 2-water inlet; 3-outlet; 4-runner; 5-runner envelope; 6-eddy flow groove; 7-guide vane; 8-swirl vane; 9-mounting post; 10-concave curvatures; 11-reinforcement; 12-mounting seat; 13-spring; 14-baffle plate.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, utility model is described in further detail.
It is illustrated in figure 1 the structural representation of this utility model axial flow hydraulic turbine; It is illustrated in figure 2 in this utility model axial flow hydraulic turbine the structural representation of guide vane, this utility model one axial flow hydraulic turbine, including body 1, vertically extend into the main shaft in body 1 and the runner 4 being arranged on main shaft, the top and bottom being positioned at body 1 are respectively arranged with water inlet 2 and outlet 3, the runner envelope 5 holding runner it is provided with in described body 1, enclose above described runner envelope 5 and be provided with guide vane 7, the described main shaft position being positioned at above runner is provided with eddy flow groove 6, and described runner 4 is provided with swirl vane 8.
The present embodiment is provided above eddy flow groove by what be positioned at runner in rotating shaft, can produce rotary water current by eddy flow groove, particularly when starting, it is possible to quickly start runner, improves the working efficiency of axial flow hydraulic turbine
Further, described eddy flow groove 6 exports just middle part to swirl vane 10, and swirl vane is directly impacted by the present embodiment rotary water current, and fast and easy starts runner.
Further, described guide vane 7 is provided with concave curvatures 10 near the inner side of runner 4, described guide vane 7 opposite side is provided with reinforcement 11, by having concave curvatures 10 in guide vane 7 blade body surface configuration, eddy flow can be produced in concave curvatures 10, interlobate current are produced guide effect, make interlobate whirlpool can be had force resolution, vortices breakdown is substantially reduced, and the wake vortices of two short blade generations can interact, the degree of crook eliminating its probability S district curve being further developed into relatively Maelstrom substantially alleviates, secondary flow loss is less, the mobile performance in flow field improves, ensure that the stability of unit operation, reduce unit and the probability of vibration occurs.
Further, preferred described guide vane 7 is provided with mounting post 9, described mounting post 9 is arranged on one end of guide vane 7, described guide vane 7 from mounting post one end to one end of remotely mounted post its thickness thinning gradually, this structure be conducive to improve flow field mobile performance improve.
Further, it is preferred that the trend of described concave curvatures 10 is set to arc, this structure is conducive to interlobate current are produced guide effect, makes interlobate whirlpool can be had force resolution.
Further, preferred described guide vane 7 is provided with mounting seat 12 near the side of reinforcement 11, described mounting seat 12 is connected to spring 13, the other end of described spring 13 is connected to baffle plate 14, described baffle plate 14 is fixed in body 1, this structure is conducive to improving intensity and the toughness of guide vane 7, and the wake vortices of two short blade generations can interact, and the degree of crook eliminating its probability S district curve being further developed into relatively Maelstrom substantially alleviates.
What finally illustrate is, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail with reference to preferred embodiment, it will be understood by those within the art that, the technical solution of the utility model can be modified or equivalent replacement, without deviating from objective and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. an axial flow hydraulic turbine, including body, vertically extend into the main shaft in body and the runner being arranged on main shaft, the top and bottom being positioned at body are respectively arranged with water inlet and outlet, it is characterized in that: in described body, be provided with the runner envelope holding runner, enclose above described runner envelope and be provided with guide vane, the described main shaft position being positioned at above runner is provided with eddy flow groove, and described runner is provided with swirl vane.
2. axial flow hydraulic turbine according to claim 1, it is characterised in that: described rotation launder outlet just middle part to swirl vane.
3. axial flow hydraulic turbine according to claim 1, it is characterised in that: described movable guide vane is provided with concave curvatures near the inner side of runner, and described movable guide vane opposite side is provided with reinforcement.
4. axial flow hydraulic turbine according to claim 3, it is characterized in that: described movable guide vane is provided with mounting post, described mounting post is arranged on one end of movable guide vane, described movable guide vane from mounting post one end to one end of remotely mounted post its thickness thinning gradually.
5. axial flow hydraulic turbine according to claim 4, it is characterised in that: the trend of described concave curvatures is set to arc.
6. axial flow hydraulic turbine according to claim 1, it is characterised in that: described movable guide vane is provided with mounting seat near the side of reinforcement, and described mounting seat is connected to spring, and the other end of described spring is connected to baffle plate, and described baffle plate is fixed in spiral case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620093805.XU CN205315190U (en) | 2016-01-29 | 2016-01-29 | Axial flow water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620093805.XU CN205315190U (en) | 2016-01-29 | 2016-01-29 | Axial flow water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205315190U true CN205315190U (en) | 2016-06-15 |
Family
ID=56187181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620093805.XU Expired - Fee Related CN205315190U (en) | 2016-01-29 | 2016-01-29 | Axial flow water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205315190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11319920B2 (en) | 2019-03-08 | 2022-05-03 | Big Moon Power, Inc. | Systems and methods for hydro-based electric power generation |
-
2016
- 2016-01-29 CN CN201620093805.XU patent/CN205315190U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11319920B2 (en) | 2019-03-08 | 2022-05-03 | Big Moon Power, Inc. | Systems and methods for hydro-based electric power generation |
| US11835025B2 (en) | 2019-03-08 | 2023-12-05 | Big Moon Power, Inc. | Systems and methods for hydro-based electric power generation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103089548B (en) | Vertical axis wind wheel connecting rod combination variable pitch wind power generation device | |
| CN102359091A (en) | Natural fall water flow power generation system | |
| CN2871902Y (en) | Guiding wind-power generator with wind-direction vertical shaft | |
| CN205315190U (en) | Axial flow water turbine | |
| CN108590920A (en) | A kind of hydraulic turbine installation | |
| CN208702601U (en) | The horizontal pump hydraulic turbine | |
| CN103216374A (en) | Low-specific speed small mixed flow water turbine | |
| CN107461291B (en) | Down-stroke type waterwheel for low-head miniature hydropower station | |
| CN103912434A (en) | Small-hydropower axial flow turbine device | |
| CN201202576Y (en) | Bucket impulse turbine | |
| CN2806804Y (en) | Pipe type hydraulic turbine | |
| CN201982251U (en) | Efficient wind energy transforming device with sail type vertical shaft | |
| CN2913656Y (en) | Hydraulic electrogenerating hydraulic turbine | |
| CN102878009B (en) | Diversion cover type elliptical orbit vertical-axis tidal current energy hydraulic turbine generator set | |
| CN104214043A (en) | Low-speed-start efficient composite vertical-axis fan wind wheel system capable of providing lift force | |
| CN211008951U (en) | Novel fan blade | |
| CN102966482A (en) | Vane height adjustable water turbine impeller | |
| CN209228525U (en) | A kind of shaftless horizontal change drift angle marine tidal-current energy device | |
| CN113719393A (en) | Vortex type power generation mechanism for new energy power generation | |
| CN203847322U (en) | Lift force and resistance compensation type vertical shaft breeze wind turbine | |
| CN205478073U (en) | Water -use for hydropower turbine | |
| CN100572800C (en) | Energy-collecting tower | |
| CN201396234Y (en) | Super-low specific rotational speed mixed-flow type hydraulic turbine runner dedicated for driving cooling tower fan | |
| CN216407041U (en) | Additional type water conservancy diversion formula wind turbine generator system initiative yaw control ware | |
| CN102817774A (en) | Vertical-axis micro-wind level wind turbine with flow guiding structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20180129 |