CN103603763A - Bulb tubular turbine for micro-head power generation of water plant - Google Patents
Bulb tubular turbine for micro-head power generation of water plant Download PDFInfo
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- CN103603763A CN103603763A CN201310530852.7A CN201310530852A CN103603763A CN 103603763 A CN103603763 A CN 103603763A CN 201310530852 A CN201310530852 A CN 201310530852A CN 103603763 A CN103603763 A CN 103603763A
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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 invention relates to a bulb tubular turbine for micro-head power generation of a water plant. The bulb tubular turbine comprises a three-way valve, an inflow runner, a bulb chamber, a guide blade chamber, a runner chamber, an exhaust water pipe and a gate valve which are sequentially connected, a bulb body is connected with a runner in the runner chamber through a spindle, and the runner comprises a hub, blades and a runner cone. The bulb tubular turbine is characterized in that the front end of the inflow runner is connected with a water supply pipe through the three-way valve, fixed guide blades symmetrical about a horizontal plane in the bulb chamber are fixedly connected with the bulb body, the horizontal section shape of each fixed guide blade is a standard symmetrical blade profile, the ratio of the outer diameter D2 of the bulb body to the nominal diameter D1 of the turbine is 0.75-0.85, 9-21 inclined guide blades are arranged in the guide blade chamber, the shape of each inclined guide blade sectioned by a section perpendicular to the axial direction of the inclined guide blade is a standard positive curvature blade profile, an outlet angle alpha d of each inclined guide blade is 45-55 degrees, and the exhaust water pipe is connected with the water supply pipe through the gate valve. The bulb tubular turbine is pollution-free, high in efficiency and low in cost, energy can be saved, and emission can be reduced.
Description
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Technical field
The invention belongs to hydro-electric power generating equipment technical field, particularly relate to a kind of bulb through-flow turbine for the micro-head generating of water factory.
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Background technique
In existing tap water supply process, owing to considering that resident family is higher and along factors such as journey, local losses, selected feed water pump tends to leave the reliability that certain lift more than needed carrys out assure feed water; And in Sewage Plant, between the waste pipe in former pond, filter tank etc. and tailwater level, often also have certain drop.These energy more than needed, because its single energy is all smaller, did not obtain regeneration, but wasted in the past.For implementing energy-saving and emission-reduction policy, modern study has started to relate to these unheeded energy more than needed in the past.But because the energy that water body contains is less, operating mode does not have to change substantially, device place complexity electricity generating device various, that utilize process must not produce secondary pollution, installation does not allow the safety and reliability of the original water treatment technology of water factory to produce adverse influence etc., so brought larger challenge to the application of energy-conserving and emission-cutting technology.
Chinese patent application 200910232684.7 discloses a kind of " method of generating electricity by using small water-turbine generator set in water plant ", the method arranges a diversion pond suitable with town water supply flow, in diversion pond one side, by place, bottom, small-sized water turbine unit is set, its power is determined by diversion head fall and Water Works flow; At diversion pond opposite side, according to the water-head in pump outlet center and diversion pond, determine the work lift of water pump, then choose the water pump matching.The main deficiency of the method is: the one, and floor space is large and civilwork engineering quantity is large, and corresponding cost of land and engineering cost are very high; The 2nd, raw water service pump need to be additionally set, and the efficiency of water pump and water turbine all can not reach 100%, in the time of will inevitably occurring that water turbine is sent out 1kWh electric energy, water pump need to consume 2kWh electric energy can play water extraction this situation about losing more than gain.
Chinese patent application 201310124289.3 discloses " a kind of bulb through-flow turbine for micro-head power station ", this scheme is comprised of intake pipe, bulb section, runner envelope and draft tube, in bulb section, be provided with the bulb of being propped up by fixed support, bulb connects the main shaft of water turbine in runner envelope, main shaft connects runner, runner is comprised of wheel hub, draft cone and blade, and the import of described intake pipe is three expandings.The main deficiency of this scheme is: the one, and this hydroturbine water intake runner is irregular, without unified design, manufacturing standard, when current enter runner, will produce larger local water conservancy loss; The 2nd, this water turbine does not arrange stator mechanism, and evenly water guide form circular rector, must cause operational efficiency on the low side, and cannot make corresponding adjustment according to the variation of operating mode; The 3rd, this scheme is harsh to the requirement of fabricating yard, is only applicable to open channel mobile occasion with no pressure, cannot be applied in pressure conduit and go well.
How to overcome the deficiencies in the prior art and become one of emphasis difficult problem urgently to be resolved hurrily in current hydro-electric power generating equipment technical field.
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Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and a kind of bulb through-flow turbine for water factory's micro-head generating is provided, that the present invention has is pollution-free, operational efficiency is high and the advantage such as low cost of manufacture, micro-head that can make full use of waterworks or Sewage Plant drives generator generating, effectively promotes applying of energy-conserving and emission-cutting technology.
A kind of bulb through-flow turbine for the micro-head generating of water factory proposing according to the present invention, comprise by three-way valve, water inlet flow channel, bulb chamber, stator chamber, runner envelope, draft tube and being connected in turn with gate valve, bulb is connected with the runner in runner envelope by main shaft, runner comprises wheel hub, blade and draft cone, it is characterized in that water inlet flow channel front end is connected with water pipe by three-way valve; The fixed guide vane about horizontal plane symmetry in bulb chamber is fixedly connected with bulb, and the horizontal cross sectional geometry of fixed guide vane is Standard Symmetric Multivariate blade profile; Bulb outer diameter D
2with water turbine nominal diameter D
1ratio be 0.75～0.85; Stator is indoor is provided with 9～21 oblique stators, perpendicular to oblique guide vane teunnion to the standard that the is shaped as positive camber blade profile of oblique stator that cross section is cut, the exit angle α of oblique stator
dit is 45 °～55 °; Draft tube is connected with water pipe by gate valve.
Working principle of the present invention is: in tap water supply process, because considering high-rise buildings, along journey and local loss etc., feed water pump has been reserved lift more than needed, also the water energy more than needed that has drop to form between the waste pipes such as the former pond of Sewage Plant, filter tank and tailwater level, the water more than needed that these potential difference current are contained in the present invention can be converted to rotating mechanical energy, to drive, be arranged on the rotor in bulb, thereby cutting stator magnetic field offers using electricity system in factory to produce electric energy.Specific implementation process is: when the present invention installs, the front end of water inlet flow channel is connected to an outlet of three-way valve, at the original water pipe of Upstream section water factory of three-way valve, be connected to the entrance of three-way valve, at the original water pipe of tract water factory of three-way valve, be connected to another outlet of three-way valve, one gate valve is set on tail water pipeline section, and the original water pipe of pipe end and water factory is rigidly connected; During normal power generation, regulating three-way valve, drives hydraulic turbine generator generating thereby make current all flow into bypass tube; When operating mode changes need to regulate time, the part that fine setting three-way valve can make originally all to flow in the current of bypass tubes flows into the original water pipe of water factory, thereby the unit that remainder continues to flow through in bypass tube drives hydraulic turbine generator generating; When needs repair and maintenance, the flow path direction excessively of switch three-way valve, makes current all flow into the original water pipe of water factory, and then shutoff device, at the gate valve of tail water pipeline section, does not now have current to flow in bypass tube, can carry out repair and maintenance operation.
The present invention compared with prior art its remarkable advantage is: the one, and the operational efficiency of water turbine of the present invention is broad up to 80% above ，Qie high-efficiency operation district, and the water turbine of design head 10m of take is example, at design speed 750r/min, flow 1.736m
3during/s, exert oneself and reach 135kW, 24 hours generated energy are 3240kWh, can meet the demand of in-plant equipment electricity consumption; The 2nd, apparatus of the present invention are in penstock, and fluidised form is uniform and stable, substantially there is no civilwork engineering quantity, greatly reduction of erection time and reducing costs; The 3rd, the mode of employing three-way valve, bypass tube and gate valve compounding practice, the installation time is very short, and operation and maintenance afterwards only need can carry out by valve event, has farthest reduced the impact that utilizes the original production of energy process Zhong Dui water factory more than needed to cause; The 4th, the present invention no longer arranges movable guide vane and the movable blade of traditional water turbine, but adopt three-way valve to carry out adjust flux, both simplified set structure, reduced manufacture cost, can prevent that again the lubricant oil in vane operation mechanism from producing secondary pollution to current, and can also regulate to a certain extent operating mode, make unit can remain on the operation of efficient district, thereby reach the maximum using to energy more than needed; The 5th, the present invention has adopted less bulb ratio and wheel hub recently to guarantee that unit damping can be not excessive, can meet the requirement of water factory's water flow; The effect that oblique stator can play even water guide and produce circular rector, thus unit fluidised form improved, improve overall efficiency.The present invention be applicable to can each waterworks or Sewage Plant for the surplus water head utilizing in.
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Accompanying drawing explanation
Fig. 1 is that the master of the bulb through-flow turbine for water factory's micro-head generating that proposes of the present invention looks schematic diagram.
Fig. 2 is the schematic top plan view of the bulb through-flow turbine for water factory's micro-head generating that proposes of the present invention.
Fig. 3 is the schematic diagram of the fixed guide vane structure that proposes of the present invention.
Fig. 4 is the schematic diagram of the oblique guide vane structure that proposes of the present invention.
Fig. 5 is the schematic diagram of the rotaring wheel structure that proposes of the present invention.
Fig. 6 is the schematic diagram of cascade solidity of the present invention.
Fig. 7 is the schematic diagram of oblique stator exit angle of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
In conjunction with Fig. 1 to Fig. 5, a kind of bulb through-flow turbine for the micro-head generating of water factory that the present invention proposes, comprise by three-way valve (2), water inlet flow channel (3), bulb chamber (4), stator chamber (7), runner envelope (10), draft tube (12) is connected in turn with gate valve (13), bulb (5) is connected with the runner (11) in runner envelope (10) by main shaft (9), runner (11) comprises wheel hub (14), blade (15) and draft cone (16), it is characterized in that described water inlet flow channel (3) front end is connected with water pipe (1) by three-way valve (2), the fixed guide vane about horizontal plane symmetry in bulb chamber (4) (6) is fixedly connected with bulb (5), and the horizontal cross sectional geometry of fixed guide vane (6) is Standard Symmetric Multivariate blade profile, bulb (5) outer diameter D
2with water turbine nominal diameter D
1ratio be 0.75～0.85, in stator chamber (7), be provided with 9～21 oblique stators (8), perpendicular to the axial cross section of oblique stator (8), cut the standard that the is shaped as positive camber blade profile of oblique stator (8), the exit angle α of oblique stator (8)
dit is 45 °～55 °, draft tube (12) is connected with water pipe (1) by gate valve (13).
The further preferred version of the present invention is as follows:
In conjunction with Fig. 1 and Fig. 2, the vertical section of water inlet flow channel of the present invention (3) is rectangle, water inlet flow channel (3) length L
1with water turbine nominal diameter D
1ratio be 2.50～3.50, water inlet flow channel (3) entrance width B
1with water turbine nominal diameter D
1ratio be 1.40～1.60, water inlet flow channel (3) inlet height H
1with water turbine nominal diameter D
1ratio be 1.20～1.40.
In conjunction with Fig. 1 and Fig. 2, bulb of the present invention chamber (4) length L
2with water turbine nominal diameter D
1ratio be 1.60～2.00, bulb chamber (4) entrance width B
2with water turbine nominal diameter D
1ratio be 1.40～1.60, bulb chamber (4) inlet height H
2with water turbine nominal diameter D
1ratio be 1.20～1.40.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, fixed guide vane of the present invention (6) length L
6with water turbine nominal diameter D
1ratio be 0.95～1.15, its thickness T
1with length L
6ratio be 0.20～0.30.
In conjunction with Fig. 1 and Fig. 2, stator of the present invention chamber (7) length L
3with water turbine nominal diameter D
1ratio be 0.3～0.5, stator chamber (7) inlet diameter D
3with water turbine nominal diameter D
1ratio be 1.20～1.30, stator chamber (7) outlet diameter D
4with water turbine nominal diameter D
1ratio be 0.95～1.05, by hydraulic turbine main shaft (9) center line, make wide profile line of obtaining and the angle theta of horizontal plane of intersecting in vertical section and stator chamber (7)
1it is 18 °～22 °.
In conjunction with Fig. 1, Fig. 2, Fig. 4 and Fig. 6, the circle diameter D that in stator of the present invention chamber (7), on wide face, stator head connects into
5with water turbine nominal diameter D
1ratio be 1.15～1.25, the circle diameter D that on wide face, stator afterbody connects in stator chamber (7)
6with water turbine nominal diameter D
1ratio be 1.00～1.10, with stator chamber (7) outlet diameter D
4for cutting the cascade solidity of oblique stator (8) in the cylndrical surface of diameter
be 1.00～1.20.
In conjunction with Fig. 1, Fig. 2 and Fig. 5, runner envelope of the present invention (10) length L
4with water turbine nominal diameter D
1ratio be 0.45～0.65, wheel hub (14) diameter d
gwith water turbine nominal diameter D
1ratio be that hub ratio is 0.28～0.32, the blade (15) of runner (11) is asymmetric twisted blade, blade (15) quantity is 2～4.
In conjunction with Fig. 1, Fig. 2, Fig. 5 and Fig. 6, the present invention is with draft tube (12) inlet diameter D
7cascade solidity for the blade that cylndrical surface is cut (15) of diameter
be 0.60～0.80, with wheel hub (14) diameter d
gcascade solidity for the blade that cylndrical surface is cut (15) of diameter
be 1.35～1.55.
In conjunction with Fig. 1 and Fig. 2, draft tube of the present invention (12) length L
5with water turbine nominal diameter D
1ratio be 2.40～2.60, draft tube (12) inlet diameter D
2with water turbine nominal diameter D
1ratio be 0.96～1.00, draft tube (12) outlet diameter D
8with water turbine nominal diameter D
1ratio be 1.25～1.45, draft tube (12) taper theta
2it is 3 °～5 °.
According to the surplus water head that each water factory can utilize at present, be generally 2m～10m as design considerations, further illustrate specific embodiments of the invention.
Embodiment 1: it is example that the present invention of take is applied to the water factory that surplus water head is 2m, and except meeting above overall plan and dimensional parameters requirement, other design parameter and requirement are as follows:
The nominal diameter of bulb through-flow turbine of the present invention is D
1=330mm, the dimensional parameters of all the other each critical pieces is with water turbine nominal diameter D
1for benchmark is determined, wherein: the quantity of oblique stator (8) is 9, the quantity of runner bucket (15) is 2, and rotary wheel of water turbine (11) rotating speed is 500r/min, and the flow by unit is 0.611m
3/ s, unit output is 9kW, unit efficiency reaches more than 80%; During installation, the front end of water inlet flow channel (3) is connected to an outlet of three-way valve (2), at the original water pipe of Upstream section water factory (1) of three-way valve (2), be connected to the entrance of three-way valve (2), at the original water pipe of tract water factory (1) of three-way valve (2), be connected to another outlet of three-way valve (2); In draft tube (12) section, a gate valve (13) is set, pipe end directly and the original water pipe of water factory (1) be rigidly connected, installation process need to be cut off the water in short-term; During normal power generation, regulating three-way valve, drives hydraulic turbine generator generating thereby make current all flow into bypass tube; When operating mode changes need to regulate time, fine setting three-way valve (2), a part that makes originally all to flow in the current of bypass tubes flows into the original water pipe of water factory (1), thereby the unit that remainder continues to flow through in bypass tube drives hydraulic turbine generator generating; When needs repair and maintenance, the flow path direction excessively of switch three-way valve (2), makes current all flow into the original water pipe of water factory (1), and then shutoff device is at the gate valve (13) of draft tube (12) section, now in bypass tube, do not have current to flow into, can carry out repair and maintenance operation.
Embodiment 2: it is example that the present invention of take is applied to the water factory that surplus water head is 6m, and except meeting above overall plan and dimensional parameters requirement, other design parameter and requirement are as follows:
The nominal diameter of bulb through-flow turbine of the present invention is D
1=380mm, the dimensional parameters of all the other each critical pieces is with water turbine nominal diameter D
1for benchmark is determined, wherein: the quantity of oblique stator (8) is 15, the quantity of runner bucket (15) is 3, and rotary wheel of water turbine (11) rotating speed is 1000r/min, and the flow by unit is 1.157m
3/ s, unit output is 50kW, unit efficiency reaches more than 80%; The process of other installation, operation, adjusting, repair and maintenance and method are with embodiment 1.
Embodiment 3: it is example that the present invention of take is applied to the water factory that surplus water head is 10m, and except meeting above overall plan and dimensional parameters requirement, other design parameter and requirement are as follows:
The nominal diameter of bulb through-flow turbine of the present invention is D
1=600mm, the dimensional parameters of all the other each critical pieces is with water turbine nominal diameter D
1for benchmark is determined, wherein: the quantity of oblique stator (8) is 21, the quantity of runner bucket (15) is 4, and rotary wheel of water turbine (11) rotating speed is 750r/min, and the flow by unit is 1.736m
3/ s, unit output is 135kW, unit efficiency reaches more than 82%; The process of other installation, operation, adjusting, repair and maintenance and method are with embodiment 1.
The present invention, through validation trial, has obtained satisfied effect.
Claims (9)
1. the bulb through-flow turbine for water factory's micro-head generating, comprise by three-way valve (2), water inlet flow channel (3), bulb chamber (4), stator chamber (7), runner envelope (10), draft tube (12) and gate valve (13) and being connected in turn, bulb (5) is connected with the runner (11) in runner envelope (10) by main shaft (9), runner (11) comprises wheel hub (14), blade (15) and draft cone (16), it is characterized in that described water inlet flow channel (3) front end is connected with water pipe (1) by three-way valve (2); The fixed guide vane about horizontal plane symmetry in bulb chamber (4) (6) is fixedly connected with bulb (5), and the horizontal cross sectional geometry of fixed guide vane (6) is Standard Symmetric Multivariate blade profile; Bulb (5) outer diameter D
2with water turbine nominal diameter D
1ratio be 0.75～0.85; In stator chamber (7), be provided with 9～21 oblique stators (8), perpendicular to the axial cross section of oblique stator (8), cut the standard that the is shaped as positive camber blade profile of oblique stator (8), the exit angle α of oblique stator (8)
dit is 45 °～55 °; Draft tube (12) is connected with water pipe (1) by gate valve (13).
2. according to a kind of bulb through-flow turbine for the micro-head generating of water factory described in claim 1, the vertical section that it is characterized in that water inlet flow channel (3) is rectangle, water inlet flow channel (3) length L
1with water turbine nominal diameter D
1ratio be 2.50～3.50, water inlet flow channel (3) entrance width B
1with water turbine nominal diameter D
1ratio be 1.40～1.60, water inlet flow channel (3) inlet height H
1with water turbine nominal diameter D
1ratio be 1.20～1.40.
3. according to a kind of bulb through-flow turbine for the micro-head generating of water factory described in claim 1, it is characterized in that bulb chamber (4) length L
2with water turbine nominal diameter D
1ratio be 1.60～2.00, bulb chamber (4) entrance width B
2with water turbine nominal diameter D
1ratio be 1.40～1.60, bulb chamber (4) inlet height H
2with water turbine nominal diameter D
1ratio be 1.20～1.40.
4. according to a kind of bulb through-flow turbine for the micro-head generating of water factory described in claim 1, it is characterized in that the length L of fixed guide vane (6)
6with water turbine nominal diameter D
1ratio be 0.95～1.15, its thickness T
1with length L
6ratio be 0.20～0.30.
5. according to a kind of bulb through-flow turbine for the micro-head generating of water factory described in claim 1, it is characterized in that the length L of stator chamber (7)
3with water turbine nominal diameter D
1ratio be 0.3～0.5, stator chamber (7) inlet diameter D
3with water turbine nominal diameter D
1ratio be 1.20～1.30, stator chamber (7) outlet diameter D
4with water turbine nominal diameter D
1ratio be 0.95～1.05, by hydraulic turbine main shaft (9) center line, make wide profile line of obtaining and the angle theta of horizontal plane of intersecting in vertical section and stator chamber (7)
1it is 18 °～22 °.
6. according to a kind of bulb through-flow turbine for the micro-head generating of water factory described in claim 1, it is characterized in that the circle diameter D that in stator chamber (7), on wide face, stator head connects into
5with water turbine nominal diameter D
1ratio be 1.15～1.25, the circle diameter D that on wide face, stator afterbody connects in stator chamber (7)
6with water turbine nominal diameter D
1ratio be 1.00～1.10, with stator chamber (7) outlet diameter D
4for cutting the cascade solidity of oblique stator (8) in the cylndrical surface of diameter
be 1.00～1.20.
7. according to a kind of bulb through-flow turbine for the micro-head generating of water factory described in claim 1, it is characterized in that runner envelope (10) length L
4with water turbine nominal diameter D
1ratio be 0.45～0.65, wheel hub (14) diameter d
gwith water turbine nominal diameter D
1ratio be that hub ratio is 0.28～0.32, the blade (15) of runner (11) is asymmetric twisted blade, blade quantity is 2～4.
8. according to a kind of bulb through-flow turbine for the micro-head generating of water factory described in claim 1, it is characterized in that with draft tube (12) inlet diameter D
7cascade solidity for the blade that cylndrical surface is cut (15) of diameter
be 0.60～0.80, with wheel hub (14) diameter d
gcascade solidity for the blade that cylndrical surface is cut (15) of diameter
be 1.35～1.55.
9. according to a kind of bulb through-flow turbine for the micro-head generating of water factory described in claim 1, it is characterized in that draft tube (12) length L
5with water turbine nominal diameter D
1ratio be 2.40～2.60, draft tube (12) inlet diameter D
2with water turbine nominal diameter D
1ratio be 0.96～1.00, draft tube (12) outlet diameter D
8with water turbine nominal diameter D
1ratio be 1.25～1.45, draft tube (12) taper theta
2it is 3 °～5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310530852.7A CN103603763A (en) | 2013-11-01 | 2013-11-01 | Bulb tubular turbine for micro-head power generation of water plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310530852.7A CN103603763A (en) | 2013-11-01 | 2013-11-01 | Bulb tubular turbine for micro-head power generation of water plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103603763A true CN103603763A (en) | 2014-02-26 |
Family
ID=50122011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310530852.7A Withdrawn CN103603763A (en) | 2013-11-01 | 2013-11-01 | Bulb tubular turbine for micro-head power generation of water plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103603763A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912435A (en) * | 2014-03-27 | 2014-07-09 | 河海大学 | Runner of small-hydropower axial flow turbine |
| CN107165769A (en) * | 2017-07-25 | 2017-09-15 | 河海大学 | A kind of streams miniature power generating device |
| CN113175406A (en) * | 2021-04-23 | 2021-07-27 | 西北农林科技大学 | Parent fish type through-flow turbine |
| WO2023077648A1 (en) * | 2021-11-08 | 2023-05-11 | 江苏大学 | Self-adaptive design method for bulb tubular pump guide vane, and bulb tubular pump guide vane |
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| CN201588723U (en) * | 2009-12-01 | 2010-09-22 | 西华大学 | Lamp-bulb angled-discharge water turbine |
| CN202325987U (en) * | 2011-11-24 | 2012-07-11 | 重庆同利实业有限公司 | Floating-pipe tubular hydraulic generator |
| CN103216375A (en) * | 2013-04-10 | 2013-07-24 | 河海大学 | Bulb tubular water turbine for micro water head power station |
| CN103233846A (en) * | 2012-12-04 | 2013-08-07 | 河海大学 | Low water head vertical shaft through-flow bi-directional efficient turbine runner as well as electromechanical device and mated flow passage thereof |
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| JP2003065199A (en) * | 2001-08-24 | 2003-03-05 | Kubota Corp | Hydraulic power generator provided with mixed or axial water turbine runner |
| CN2818829Y (en) * | 2005-05-19 | 2006-09-20 | 历富伟 | Running water generator |
| CN200943560Y (en) * | 2006-09-01 | 2007-09-05 | 高辉 | Microsize tap water residue pressure generation device |
| CN201582037U (en) * | 2009-09-25 | 2010-09-15 | 湖北华强化工集团有限公司 | Excess pressure utilization equipment for circulating water of cooling tower |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912435A (en) * | 2014-03-27 | 2014-07-09 | 河海大学 | Runner of small-hydropower axial flow turbine |
| CN103912435B (en) * | 2014-03-27 | 2016-07-06 | 河海大学 | A kind of small power station kaplan turbine runner |
| CN107165769A (en) * | 2017-07-25 | 2017-09-15 | 河海大学 | A kind of streams miniature power generating device |
| CN113175406A (en) * | 2021-04-23 | 2021-07-27 | 西北农林科技大学 | Parent fish type through-flow turbine |
| WO2023077648A1 (en) * | 2021-11-08 | 2023-05-11 | 江苏大学 | Self-adaptive design method for bulb tubular pump guide vane, and bulb tubular pump guide vane |
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Application publication date: 20140226 |