CN205225561U - Tubular environment friendly hydraulic turbine - Google Patents
Tubular environment friendly hydraulic turbine Download PDFInfo
- Publication number
- CN205225561U CN205225561U CN201520995873.0U CN201520995873U CN205225561U CN 205225561 U CN205225561 U CN 205225561U CN 201520995873 U CN201520995873 U CN 201520995873U CN 205225561 U CN205225561 U CN 205225561U
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- China
- Prior art keywords
- runner
- tubular
- aqueduct
- environmentally friendly
- water turbine
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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
Abstract
The utility model discloses a tubular environment friendly hydraulic turbine, including leading water pipe, stator, runner and anemostat, the exit end of leading water pipe and the inlet connection of anemostat evenly set up the stator at the leading water pipe exit end along circumference, and intraductal at the leading water pipe exit end is installed to the runner, and the wheel hub and the hydraulic turbine main shaft of runner are connected, the exit end still is equipped with the bulb in the leading water pipe, installs the generator in the bulb, and send out motor input shaft and be connected with the runner output, the blade of runner is 2, and the cornerite of blade is 180~260. The utility model discloses compare with conventional tubular turbine, the utility model discloses a damage is avoided from a plurality of angles protection fish to the function, and energy conversion efficiency is higher simultaneously, the specially adapted low -head hydroelectric plant.
Description
Technical field
The utility model belongs to fluid machinery technical field of power generation, particularly relates to a kind of tubular turbine.
Background technique
Two Mainstays in China's using energy source structure: one is the thermal power generation based on fire coal; Two is big-and-middle-sized hydroelectric powers, and the utilization of the new energy ratio that not only efficiency is lower but also shared in energy resource structure is very little.Along with socioeconomic develop rapidly, some contradictions of China's using energy source start to highlight, as simple in energy insufficient total amount, energy resource structure, and the energy to be distributed in extreme geographically uneven etc.Copenhagen meeting, proposes stricter requirement to the energy-consuming of China, must reduce the consumption of fossil energy.The solemn commitment that we make for reply global warming carry out earnestly, at active development with while utilizing various renewable energy sources, must preserve the ecological environment, this develops in a healthy way significant to national economy.
The renewable energy sources that China has utilized mainly contains water energy, wind energy, solar energy, geothermal power and biomass energy etc.Wherein the exploitation of high-head power station is in the most ripe position, especially generating is built up in the huge power station such as the Yangtze River Gorges, Long Tan, Xi Luodu, Burner zone successively, by 2013, China's total installed capacity of hydropower reaches 2.8 hundred million kilowatts, China's capacity of installed generator reaches 12.47 hundred million kilowatts, total installed capacity of hydropower reaches 22.5% of total installation of generating capacity, greatly alleviates the stress state of China's using energy source.But the low water head of China (2 ~ 10m) power station aboundresources, the electric motor power of Low-head Runoff River Hydroelectric Plants accounts for 16% of hydropower installed capacity, the stock of fish of low-head hydroelectric plant enriches in addition, and the main fingerling of China is four large Chinese carps, and it is all distributed in low water head basin substantially.Tubular-turbine generator is exactly that a kind of low water head river water resource that utilizes carries out the hydraulic machinery generated electricity, unit generally adopts horizontal layout, but because the conventional bulb-type tubular hydro set number of blade is more, during unit design, emphasis considers that energy indexes causes pressure to change acutely in time, larger to the damage of fish.Therefore based on environmental protection and hydroelectric two-way demand, the environmentally friendly water turbine of this tubular spirality is developed.
In the face of day by day serious energy crisis and huge environmental protection pressure, exploitation is applicable to the tubular environmental friendliness hydraulic turbine generator of low-head hydroelectric plant feature, and it is all of great advantage for having fish protection concurrently for the waterpower resourses developing low water head.
Model utility content
The purpose of this utility model is just to provide a kind of tubular environmentally friendly water turbine, can solve above-mentioned the deficiencies in the prior art part completely.
The purpose of this utility model is realized by following technical proposals:
A kind of tubular environmentally friendly water turbine, comprise aqueduct, stator, runner and diffusing tube, the outlet end of described aqueduct is connected with the entrance point of diffusing tube, circumferentially evenly stator is set at aqueduct outlet end, described aqueduct outlet end is provided with runner envelope, at runner indoor location runner, the wheel hub of runner is connected with hydraulic turbine main shaft, described aqueduct inner outlet end is also provided with bulb, in bulb, generator is installed, generator input shaft is connected with runner output terminal, it is characterized in that: the blade of described runner is 2, and the cornerite of blade is 180 ° ~ 260 °.
Further, the vane inlet of described runner is elliptic arc head.
Adopt said structure that the shock of fish can be avoided to damage.
Further, described runner bucket is spiral vane.
Further, the wheel hub of described runner is spindle-type, and the diameter of wheel hub incoming flow side is the diameter of 1/4th runners, and the diameter that wheel hub goes out to flow side is the diameter of 1/5th runners.
Further, described stator is prismatic blade, and quantity is 7 ~ 11.
Further, the pipeline of aqueduct corresponding to the described runner left and right sides, diffusing tube is reducer pipe, and caliber becomes large gradually along the direction away from runner.
Further, the caliber amplitude of variation of the reducer pipe on described aqueduct is greater than the caliber amplitude of variation of reducer pipe on diffusing tube.
Adopt said structure can increase runner import kinetic energy, diffusing tube can reduce to export kinetic energy, final import and export fluid available energy.
Compared with prior art, the beneficial effects of the utility model are: structure is simple, reasonable in design; compared with conventional tubular turbine; function of the present utility model mainly protects fish from damage from multiple angle, and energy conversion efficiency is higher simultaneously, is specially adapted to low-head hydroelectric plant.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of runner in the utility model.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is further described.
See Fig. 1 and Fig. 2, a kind of tubular environmentally friendly water turbine, comprise aqueduct 1, stator 2, runner 3 and diffusing tube 4, the outlet end of described aqueduct 1 is connected with the entrance point of diffusing tube 4, at aqueduct 1 outlet end, circumferentially stator 2 is evenly set, described aqueduct 1 outlet end is provided with runner envelope, at runner indoor location runner 3, runner 3 is arranged in the pipe of aqueduct 1 outlet end, the wheel hub of runner 3 is connected with hydraulic turbine main shaft, described aqueduct 1 inner outlet end is also provided with bulb 5, in bulb 5, generator (not shown in FIG.) is installed, generator input shaft is connected with runner output terminal.
The blade 301 of described runner 3 is 2 spiral vanes, and the cornerite of blade 301 is 180 ° ~ 260 °, the present embodiment preferably 240 °, and vane inlet is for being elliptic arc head.Blade 301 is arranged on the wheel hub 302 of runner 3, and the width dimensions of blade 301 radially increases to aqueduct 1 inwall gradually from root of blade.
The wheel hub 302 of described runner 3 is spindle-type, and the diameter of wheel hub incoming flow side is the diameter of 1/4th runners 3, and the diameter that wheel hub goes out to flow side is the diameter of 1/5th runners 3.
Described stator 2 is prismatic blade, and quantity is 7 ~ 11, the present embodiment preferably 9.The selection of this stator quantity makes the flow section area formed between stator be 2 ~ 4 times of conventional water turbine area of passage.
The pipeline of aqueduct 1 corresponding to described runner 3 left and right sides, diffusing tube 4 is reducer pipe 101, and caliber becomes large gradually along the direction away from runner.The caliber amplitude of variation of the reducer pipe 101 on described aqueduct 1 is greater than the caliber amplitude of variation of reducer pipe 101 on diffusing tube 4.The caliber change of the reducer pipe 101 that is on aqueduct 1 is comparatively steep, and the caliber change of the reducer pipe 101 on diffusing tube 4 is milder.
The runner 3 of the utility model water turbine is only provided with 2 spiral vanes, and the cornerite of blade is the large cornerite of 240 °, therefore can ensure to have higher energy conversion efficiency, and not lose Economy.Form open runner between runner bucket, its flow section area is 2 ~ 4 times of conventional power plant, facilitates fish smoothly by runner channel, avoids fish to suffer mechanical collision.Meanwhile, the liquid speed in runner 3 is made to be 10m/s, much smaller than biology of fishes protection criterion 19m/s; The pressure formed in runner bucket passage is 488kPa/s over time, is less than biology of fishes protection criterion 544kPa/s.
Operationally, current enter from aqueduct 1 entrance point, pass through the bulb 5, runner 3 and the diffusing tube 4 that hold generator successively, flow out from diffusing tube 4 outlet end.In flow process, current and runner bucket 301 interact, and drive runner boss 302 to rotate, flow energy is converted to mechanical energy, runner boss 302 drives the generator rotation in bulb 5 by hydraulic turbine main shaft and generates electricity.Tubular water turbine of the present utility model has better simply structure; the blade profile head of circular arc, broad flow channels and mild pressure in time the Changing Pattern machine fish that adequately protected avoid sustaining damage; improve capacity usage ratio simultaneously, obtain good energy characteristics.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a tubular environmentally friendly water turbine, comprise aqueduct, stator, runner and diffusing tube, the outlet end of described aqueduct is connected with the entrance point of diffusing tube, circumferentially evenly stator is set at aqueduct outlet end, described aqueduct outlet end is provided with runner envelope, at runner indoor location runner, the wheel hub of runner is connected with hydraulic turbine main shaft, described aqueduct inner outlet end is also provided with bulb, in bulb, generator is installed, generator input shaft is connected with runner output terminal, it is characterized in that: the blade of described runner is 2, and the cornerite of blade is 180 ° ~ 260 °.
2. tubular environmentally friendly water turbine according to claim 1, is characterized in that: the vane inlet of described runner is elliptic arc head.
3. tubular environmentally friendly water turbine according to claim 1, is characterized in that: described runner bucket is spiral vane.
4. tubular environmentally friendly water turbine according to claim 1, is characterized in that: the wheel hub of described runner is spindle-type, and the diameter of wheel hub incoming flow side is 1/4th of runner diameter, and the diameter that wheel hub goes out to flow side is 1/5th of runner diameter.
5. tubular environmentally friendly water turbine according to claim 1, it is characterized in that: described stator is prismatic blade, quantity is 7 ~ 11.
6. tubular environmentally friendly water turbine according to claim 1, is characterized in that: the pipeline of aqueduct corresponding to the described runner left and right sides, diffusing tube is reducer pipe, and caliber becomes large gradually along the direction away from runner.
7. tubular environmentally friendly water turbine according to claim 6, is characterized in that: the caliber amplitude of variation of the reducer pipe on described aqueduct is greater than the caliber amplitude of variation of reducer pipe on diffusing tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520995873.0U CN205225561U (en) | 2015-12-04 | 2015-12-04 | Tubular environment friendly hydraulic turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520995873.0U CN205225561U (en) | 2015-12-04 | 2015-12-04 | Tubular environment friendly hydraulic turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225561U true CN205225561U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520995873.0U Active CN205225561U (en) | 2015-12-04 | 2015-12-04 | Tubular environment friendly hydraulic turbine |
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| CN (1) | CN205225561U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837655A (en) * | 2015-12-04 | 2017-06-13 | 东方电气集团东方电机有限公司 | A kind of tubular environmentally friendly hydraulic turbine |
| CN108266301A (en) * | 2017-04-10 | 2018-07-10 | 许昌义 | tubular turbine with rotating cylinder |
-
2015
- 2015-12-04 CN CN201520995873.0U patent/CN205225561U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837655A (en) * | 2015-12-04 | 2017-06-13 | 东方电气集团东方电机有限公司 | A kind of tubular environmentally friendly hydraulic turbine |
| CN108266301A (en) * | 2017-04-10 | 2018-07-10 | 许昌义 | tubular turbine with rotating cylinder |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |