CN201568196U - Inside and outside sleeve spindle single bulb body through-flow type two-stage rotary wheel hydraulic turbine - Google Patents
Inside and outside sleeve spindle single bulb body through-flow type two-stage rotary wheel hydraulic turbine Download PDFInfo
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- CN201568196U CN201568196U CN2009202446191U CN200920244619U CN201568196U CN 201568196 U CN201568196 U CN 201568196U CN 2009202446191 U CN2009202446191 U CN 2009202446191U CN 200920244619 U CN200920244619 U CN 200920244619U CN 201568196 U CN201568196 U CN 201568196U
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- rotary wheel
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- hydraulic 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
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Abstract
The utility model discloses an inside and outside sleeve spindle single bulb body through-flow type two-stage rotary wheel hydraulic turbine, wherein an inclined flow rotary wheel (called as front rotary wheel) on a spherical surface flow passage is used to replace a movable guiding blade ring array blade lattice of a traditional through-flow type hydraulic turbine water guiding mechanism, the front rotary wheel and an original axial flow rotary wheel (called as rear rotary wheel) form two-stage rotary wheels, and the front rotary wheel and the rear rotary wheel are designed according to energy conversion distribution and can rotary oppositely (reverse rotation). The two rotary wheels are provided with own independent rotation shafts and can be connected with a traditional power generator through a speed increaser, also can use a double-rotor power generator, and are provided with single bulb body. The use falling head of the rear rotary wheel is constant (energy output is constant), the front rotary wheel can be designed to bear the same energy conversion and output with the rear rotary wheel, thereby the falling head of double rotary wheel hydraulic turbine is two times of the falling head of traditional single-rotary wheel hydraulic turbines, and the output force can be increased to two times due to the increase of the falling head. The reverse angular momentum of the two rotary wheels is balanced, the cavitation corrosion performance is excellent, the stability is strong, and the inside and outside sleeve spindle single bulb body through-flow type two-stage rotary wheel hydraulic turbine has the advantages of compact structure, wide operation adapting range, environment-friendliness and the like.
Description
Technical field
The utility model belongs to the hydro-electric power generating equipment field of mechanical technique, is specifically related to the inside and outside tubular two-stage rotating wheel water turbine of sleeve list bulb.
Background technique
Hydraulic power project, hydraulic machinery subject are subjects with long history.Electricity power production, power equipment, fluid machinery manufacturing etc. all are mainstay of the national economy industries, and the sustainable development of society is had very important effect.Along with rapid development of economy, energy scarcity contradiction becomes increasingly conspicuous in recent years, and supergradient raising waterpower runner hydraulic performance, energy-conservation etc. is much accounted of.
Tubular turbine generally is applied to low head, big flow generator set uses.Traditional tubular turbine has the movable guide vane and the runner of water distributor, the single runner water turbine working procedure of tradition: becoming a mandarin of pressure flow body entered by intake pipe, flow channels through fixed guide vane and bulb composition, flow into the movable guide vane of tapered flow passage, fluid energy becomes mechanical energy to pass to generator amature by runner and principal axis transformation to convert electric energy then to, and the current after the acting flow out to draft tube to the downstream by runner.
The movable guide vane of water distributor is regulated flow by the variation of aperture, forms the circular rector that runner needs, and movable guide vane does not do work.Runner drives the main shaft rotation can change into mechanical energy with water, and then drives generator for electricity generation output electric energy.
Current country payes attention to the development hydroelectric power, and demand can continue to increase inestimable, and value of large-sized water turbine unit is more than 100,000,000 yuan.Because the required civil engineering scale of tubular turbine is confidential much smaller more than axial flow hydraulic turbine, mixed-flow wheel, thereby becomes contemporary type selecting focus.Because engineering is not dug under not needing in a large number in the tubular turbine power station, cost is with the obvious advantage, and market demands in recent years are very vigorous.But present tubular turbine uses head lower, when drop does not just recommend to use tubular turbine when 25m is above.
The model utility content
Main purpose of the present utility model is to improve the use drop of tubular turbine, and a kind of inside and outside tubular two-stage rotating wheel water turbine of sleeve list bulb is provided.The utility model substitutes the movable guide vane that does not do work with preceding runner, increased the runner of an acting, runner opsition dependent relation originally is called the back runner, the inside and outside tubular two-stage rotating wheel water turbine of sleeve list bulb of the utility model not only can improve the use head of cross-flow water turbine, can also improve its stability and cavitation characteristic.
The utility model purpose realizes by following scheme:
The inside and outside tubular two-stage rotating wheel water turbine of sleeve list bulb, comprise intake pipe 1, fixed guide vane 2, preceding runner 3, preceding runner shaft 4, back runner 5, back runner shaft 6, bulb 7 and draft cone 8, described back runner shaft 6 is connected with back runner 5, back runner shaft 6 peripheries are set with preceding runner shaft 4, preceding runner shaft 4 is connected with preceding runner 3, and back runner 5 is opposite with preceding runner 3 sense of rotation.
Runner shaft 4 is connected with generator amature respectively with the end of back runner shaft 6 near bulb 7 before described.Described connection can connect for key.
Runner 3 also includes the wheel hub 11 that is the circular cone sphere before described, and blade installation is on wheel hub 11, and wheel hub 11 is connected with preceding runner shaft 4, and preceding runner 3 is installed between fixed guide vane 2 and the back runner 5.Wheel hub 11 and preceding runner shaft 4 can be connected for bolt or key.
The blade lean setting of runner 3 before described; The blade of back runner 5 is perpendicular to the substantially horizontal setting.
Described being obliquely installed is the angle that blade medial axis and horizontal line are 50～70 degree.
Runner shaft 4 and back runner shaft 6 all adopt bearings before described.
Runner 3 is discharged by draft cone 8 with the stream that goes out of back runner 5 acting back water before described.
Two-stage rotating wheel can increase substantially the use drop of tubular turbine.The tubular turbine of two-stage rotating wheel will design drop and be shared by preceding runner and back runner.For example, when the highest design drop was 50m, the design drop that the front and back runner is shared respectively was 25m, and the two-stage rotating wheel tubular turbine just can adapt to the ultrahigh fall that is used for 50m, therefore drop is 2 times of traditional single runner water turbine drop, because the increasing to exert oneself and also can increase to 2 times of drop.
Before runner reverse mutually with the back runner, so that two moments are balanced vibration is very little, do not have movable guide vane to exist, those are controlled their and open closed complicated control mechanisms and also just do not needed.
During two-stage rotating wheel, preceding outlet of rotary wheel pressure is very high not to be worried cavitating.
The moment of momentum that preceding runner forms is absorbed by the back runner of back counterrotating, and two runners will utilize moment of momentum to greatest extent.
The inside and outside tubular two-stage rotating wheel water turbine working procedure of sleeve list bulb of the present utility model: the pressure flow body is flowed into by intake pipe 1, through the flow channels of fixed guide vane 2 with bulb 7 compositions, inflow is obliquely installed preceding runner 3 actings in circular cone sphere runner, is converted to mechanical energy to generator amature 9 by sleeve 4; Current were flowed out by outlet of rotary wheel after preceding runner 3 had been changed half energy of pact that is assigned with, then flow into runner 5 actings of horizontally disposed back, second half energy is converted to mechanical energy by back runner shaft 6, export generator amature 10 cutting magnetic lines to and send electric energy, current after the acting flow out to draft cone 8 by the back outlet of rotary wheel, flow out to the downstream successively.
The tradition tubular turbine is provided with movable guide vane on circular cone sphere runner, the utility model is replaced as the movable guide vane of water turbine in the blade (preceding runner) of runner, with the parallel acting of original runner (back runner), use drop can be increased to 2 times, exerting oneself increases to 2 times, and the output of hydraulic turbine adjustment can be undertaken by preceding runner.The on-cam operating condition operation is undertaken by original movable guide vane and runner, to being undertaken by preceding runner and back runner now.The utility model has utilized the speedup stream environment of ripe movable guide vane of traditional tubular turbine, replaced movable guide vane by preceding runner 3, preceding runner 3 is the oblique flow runners that place on the sphere runner, runner inlet section is big, the outlet section is little, be extraordinary speedup stream environment, so the utility model have more superiority and feasibility than two-stage axial flow runner water turbine of the prior art.
Advantage and effect that the utility model is created:
(1) high dropization: this two-stage rotating wheel water turbine is shared the drop that gives by leading portion runner and back segment runner.If the design drop of each section runner is 25m, can be designed to the highest drop is the two-stage rotating wheel tubular turbine of 50m.
(2) high efficiency and cavitation erosion prevent: leading portion outlet of rotary wheel pressure is very high, does not worry cavitation erosion, can design the moving latticed wing of runner of the good power that the soars low resistance type of cavitation characteristic.
(3) the utility model has utilized the speedup stream environment of ripe movable guide vane of traditional tubular turbine, replaced movable guide vane by preceding runner 3, preceding runner 3 is the oblique flow runners that place on the sphere runner, runner inlet section is big, the outlet section is little, be extraordinary speedup stream environment, so the utility model have more superiority and feasibility than two-stage axial flow runner water turbine of the prior art.
Therefore (4) expansion of Applicable scope: the basic theories of this two-stage rotating wheel water turbine does not have the restriction of specific speed and size, can both be suitable for from the paramount drop of low head, tubular turbine from minicomputer to the large scale computer wide range.
Description of drawings
Fig. 1 is the inside and outside tubular two-stage rotating wheel hydraulic turbine structure of sleeve list bulb figure of the present utility model.
Among Fig. 1, intake pipe 1, fixed guide vane 2, preceding runner 3, preceding runner shaft 4, back runner 5, back runner shaft 6, bulb 7, draft cone 8, preceding runner power output generator 9, back runner power output generator 10, preceding runner boss 11.
Embodiment
The inside and outside tubular two-stage rotating wheel water turbine of sleeve list bulb of the utility model, comprise intake pipe 1, fixed guide vane 2, back runner 5, back runner shaft 6, bulb 7 and draft cone 8, back runner shaft 6 peripheries are set with preceding runner shaft 4, preceding runner shaft 4 is connected with preceding runner 3, preceding runner 3 is installed between fixed guide vane 2 and the back runner 5, and back runner 5 is opposite with preceding runner 3 sense of rotation; Preceding runner shaft 4 and back runner shaft 6 are connected with the generator amature key respectively near an end of bulbs 7.Preceding runner 3 includes the blade that is obliquely installed, and the medial axis of blade and horizontal angle are 60, are installed on the wheel hub 11 of circular cone sphere, and wheel hub 11 is connected with preceding runner shaft 4 bolts, rotation acting synchronously, and the blade of back runner 5 is vertical with substantially horizontal to be provided with; Preceding runner shaft 4 all adopts two groups of bearings with back runner shaft 6, and the stream that goes out of water was discharged by draft cone 8 after preceding runner 3 did work with back runner 5.
The inside and outside tubular two-stage rotating wheel water turbine working procedure of sleeve list bulb of the utility model: the pressure flow body is flowed into by intake pipe 1, through the flow channels of fixed guide vane 2 with bulb 7 compositions, runner 3 before flowing into is converted to mechanical energy to generator amature 9 by preceding runner shaft 4; Current were flowed out by preceding outlet of rotary wheel after preceding runner 3 had been changed half energy of pact that is assigned with, then flow into runner 5 actings of horizontally disposed back, second half energy is converted to mechanical energy by back runner shaft 6, exports generator amature 10 cutting magnetic lines to and be converted to electric energy output; Current after the acting flow out to draft cone 8 by the back outlet of rotary wheel, flow out to the downstream successively.
Claims (6)
1. the tubular two-stage rotating wheel water turbine of inside and outside sleeve list bulb, comprise intake pipe (1), fixed guide vane (2), back runner (5), back runner shaft (6), bulb (7) and draft cone (8), it is characterized in that described back runner shaft (6) periphery is set with preceding runner shaft (4), preceding runner shaft (4) is connected with preceding runner (3), and back runner (5) is opposite with preceding runner (3) sense of rotation.
2. two-stage rotating wheel water turbine according to claim 1 is characterized in that described preceding runner shaft (4) and back runner shaft (6) are connected with generator amature respectively near an end of bulb (7).
3. two-stage rotating wheel water turbine according to claim 1, it is characterized in that described preceding runner (3) also includes the wheel hub (11) that is the circular cone sphere, blade installation is on wheel hub (11), wheel hub (11) is connected with preceding runner shaft (4), and preceding runner (3) is installed between fixed guide vane (2) and the back runner (5).
4. two-stage rotating wheel water turbine according to claim 1 is characterized in that the blade lean setting of described preceding runner (3); The blade of back runner (5) is perpendicular to the substantially horizontal setting.
5. two-stage rotating wheel water turbine according to claim 3 is characterized in that described being obliquely installed is the angle that blade medial axis and horizontal line are 50～70 degree.
6. two-stage rotating wheel water turbine according to claim 1 is characterized in that described preceding runner shaft (4) and back runner shaft (6) all adopt bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202446191U CN201568196U (en) | 2009-12-22 | 2009-12-22 | Inside and outside sleeve spindle single bulb body through-flow type two-stage rotary wheel hydraulic turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202446191U CN201568196U (en) | 2009-12-22 | 2009-12-22 | Inside and outside sleeve spindle single bulb body through-flow type two-stage rotary wheel hydraulic turbine |
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| Publication Number | Publication Date |
|---|---|
| CN201568196U true CN201568196U (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202446191U Expired - Fee Related CN201568196U (en) | 2009-12-22 | 2009-12-22 | Inside and outside sleeve spindle single bulb body through-flow type two-stage rotary wheel hydraulic turbine |
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| CN (1) | CN201568196U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003329A (en) * | 2010-12-23 | 2011-04-06 | 天津市天发重型水电设备制造有限公司 | Pipe flow type hydraulic generator |
| CN102011675A (en) * | 2010-12-23 | 2011-04-13 | 天津市天发重型水电设备制造有限公司 | Small self-contained tubular water-wheel generator set |
| CN102536590A (en) * | 2012-01-18 | 2012-07-04 | 河海大学 | Two-stage through-flow turbine with ultralow specific speed |
| CN102943730A (en) * | 2012-11-21 | 2013-02-27 | 武汉大学 | Wave force direct-driving hydraulic turbine |
| CN104653383A (en) * | 2013-11-18 | 2015-05-27 | 黄岳峰 | Multi-impeller driving turbine hydro-generator |
| CN106368883A (en) * | 2016-09-13 | 2017-02-01 | 西安理工大学 | Tubular turbine generator with front heat radiation supports |
| CN114517759A (en) * | 2022-01-13 | 2022-05-20 | 漳州松霖智能家居有限公司 | Hydroelectric generation device in kitchen and toilet field, impeller, faucet and shower thereof |
-
2009
- 2009-12-22 CN CN2009202446191U patent/CN201568196U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003329A (en) * | 2010-12-23 | 2011-04-06 | 天津市天发重型水电设备制造有限公司 | Pipe flow type hydraulic generator |
| CN102011675A (en) * | 2010-12-23 | 2011-04-13 | 天津市天发重型水电设备制造有限公司 | Small self-contained tubular water-wheel generator set |
| CN102536590A (en) * | 2012-01-18 | 2012-07-04 | 河海大学 | Two-stage through-flow turbine with ultralow specific speed |
| CN102536590B (en) * | 2012-01-18 | 2013-11-27 | 河海大学 | Two-stage through-flow turbine with ultralow specific speed |
| CN102943730A (en) * | 2012-11-21 | 2013-02-27 | 武汉大学 | Wave force direct-driving hydraulic turbine |
| CN104653383A (en) * | 2013-11-18 | 2015-05-27 | 黄岳峰 | Multi-impeller driving turbine hydro-generator |
| CN106368883A (en) * | 2016-09-13 | 2017-02-01 | 西安理工大学 | Tubular turbine generator with front heat radiation supports |
| CN114517759A (en) * | 2022-01-13 | 2022-05-20 | 漳州松霖智能家居有限公司 | Hydroelectric generation device in kitchen and toilet field, impeller, faucet and shower thereof |
| CN114517759B (en) * | 2022-01-13 | 2024-01-19 | 漳州松霖智能家居有限公司 | Hydroelectric generation device in kitchen and bathroom fields, impeller, faucet and shower thereof |
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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: 20100901 Termination date: 20131222 |