CN207974908U - A kind of pipe type power generation machine - Google Patents
A kind of pipe type power generation machine Download PDFInfo
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- CN207974908U CN207974908U CN201721689972.1U CN201721689972U CN207974908U CN 207974908 U CN207974908 U CN 207974908U CN 201721689972 U CN201721689972 U CN 201721689972U CN 207974908 U CN207974908 U CN 207974908U
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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 is related to generating power by water current technical fields, disclose a kind of pipe type power generation machine.The pipe type power generation machine includes the radial inflow hydraulic turbine and generator, the generator is connect with the radial inflow hydraulic turbine, the radial inflow hydraulic turbine includes upper casing, lower casing and turbine assembly, the lower casing is respectively equipped with inlet and outlet, the turbine assembly runs through upper casing and lower casing, flow enters from lower casing water inlet, passes through turbine assembly, is flowed out from the water outlet of lower casing；The turbine assembly includes centripetal turbine and turbine wheel shaft, and the centripetal turbine is located in lower casing, the turbine axis connection centripetal turbine and generator.The design method of centripetal turbine in aero-engine is creatively introduced into generating power by water current by the utility model, different from the common mixed-flow of hydraulic turbine industry and diagonal flow type, more efficient using centripetal turbine.
Description
Technical field
The present invention relates to generating power by water current technical fields, and pipe type power generation machine is used for more particularly, to one kind.
Background technology
With the development of global industry, energy problem gradually highlights, and being on the one hand the source of the energy cannot meet increasingly
Widened high energy-consuming industry demand, important energy goods and materials gradually become in short supply, increasingly depleted, and the another aspect energy disappears
Intensification is also accumulated in consumption and the influence exploited to environment, leads to climate change, influences industry and the development of industry and the life of the mankind
Bioplasm amount.In this context, novel energy form is developed in society need, this energy form should meet take no
To the greatest extent, nexhaustible, and there is no excessive adverse effect to environment, such as the wind energy generated using the cold and hot convection current of air, utilize tide
The energy that nighttide and flow generate, the forms such as energy generated using solar radiation.
Pipe type power generation machine is the device for converting pipeline overbottom pressure to electric energy, is mainly made of two parts：Radial inflow water
Turbine and generator, the common mixed-flow of existing hydraulic turbine industry and diagonal flow type, Chinese patent CN203161423U disclose one
Kind water channel road hydroelectric installation, this hydroelectric installation include impeller and holder, and impeller is equipped with wheel blade, impeller output shaft
One end is fixedly connected with first gear, first gear and second gear engaged transmission, and second gear drives generator amature rotation hair
Electricity, the wherein shape of wheel blade are matched with water channel road shape, to increase impact force of the water to wheel blade, improve flow energy
Utilization rate.Chinese patent CN203822528U discloses a kind of hydroelectric installation, and this hydroelectric installation includes that waterpower turns
The components such as driving wheel, speed change gear and generator are provided flow by being located at the supply flume above rotating wheel, are rushed using the drop of flow
It hits rotating wheel and drives electric power generation.It is specifically that, may include more above-mentioned hydroelectric installations of set, these waterpower hair in file
Electric installation is arranged on same vertical water drop direction, to realize the mode of multistage power generation, improves flow energy
Utilization rate.
In conclusion hydro-electric power generating equipment in the prior art is all real using the exposed large-sized water turbine of water impact
Existing energy conversion, but it is unable to control water impact direction, energy transformation ratio is relatively low, and equipment size is big, and use is not square
Just.
Invention content
Present invention solves the technical problem that in view of the deficiencies of the prior art, using the design of centripetal turbine in aero-engine
Method provides a kind of pipe type power generation machine.
The purpose of the present invention is achieved through the following technical solutions：
A kind of pipe type power generation machine, including the radial inflow hydraulic turbine and generator, the generator and radial inflow water wheels are provided
Machine connects, and the radial inflow hydraulic turbine includes upper casing, lower casing and turbine assembly, the lower casing be respectively equipped with water inlet and
Water outlet, the turbine assembly run through upper casing and lower casing, and flow enters from lower casing water inlet, pass through turbine assembly, from
The water outlet of lower casing flows out；
The turbine assembly includes centripetal turbine and turbine wheel shaft, and the centripetal turbine is located in lower casing, the turbine wheel shaft
Connect centripetal turbine and generator machine.
Working principle of the present invention is as follows：High pressure water flow enters from the water inlet of lower casing, centripetal turbine is impacted, to make
Centripetal turbine rotates and to generated output power, while hydraulic pressure reduces, and flow is flowed out from the water outlet of lower casing.
The design method of centripetal turbine in aero-engine is creatively introduced into generating power by water current by the present invention, is solved
Pipeline power generation in the prior art is unable to control water impact direction, and energy transformation ratio is relatively low, and equipment size is big, and use is not square
Just the problem of.
Further, the turbine wheel shaft is fixed on by upper and lower two pairs of bearings in upper casing, on the turbine wheel shaft between bearing
Also it is cased with spacer sleeve.
Further, flexible collar is additionally provided on the bearing for preventing bearing play.
Further, the water outlet is S type runners, and is gradually risen along the direction of water outlet.
Further, the centripetal turbine includes volute, and centripetal turbine is equipped in the volute, and the guide vane is surround
360 ° of centripetal turbine is uniformly distributed, and the centripetal turbine is externally provided with the guide vane of water conservancy diversion, the centripetal turbine include inner ring and
Outer shroud is fixed with the big blade of rotation on the outer shroud, the rotation being fixed on outer shroud is additionally provided between the big blade of arbitrary neighborhood
The vanelets turned, the inner ring sleeve form the inlet and outlet of centripetal turbine, the both ends point of the big blade on outer shroud
Inlet and outlet are not extended to, and one end of the vanelets extends to water inlet, and the other end is less than water outlet in the axial direction
Mouthful position, the screwed pipe of installation turbine wheel shaft is additionally provided on the outer shroud, the outer wall of the inner ring is by being threadably mounted at lower machine
In casket.
Preferably, the runner caliber in the volute presses flow approach axis from big to small.
Preferably, labyrinth type comb tooth is additionally provided on the outer wall of the outer shroud, for reducing flow from high-pressure side to low-pressure end
Leakage.
Preferably, the guide vane is fixed under snail in casing, and thickness in radial directions is more than centripetal turbine
The bore of water outlet, and curved edge is rolled, and is similar to horn shape to be formed, is set its purpose is to assemble flow
It sets.
Preferably, the big blade is radially bent with axis in spatially spiral shape, and the vanelets are radially and axis
It is bent in spatially spiral shape.
Preferably, the length of the vanelets is the one third of big length of blade to 2/3rds.
Compared with prior art, the present invention has following advantageous effect：
The design method of centripetal turbine in aero-engine is creatively introduced into generating power by water current by the present invention, with water wheels
The common mixed-flow of machine industry and diagonal flow type difference, it is more efficient using centripetal turbine, generator is designed around centripetal turbine
At upper and lower casing integrated structure, has the advantages that compact-sized, compact and flexible, installation more easily, there is very high practical valence
Value.
Centripetal turbine of the present invention uses the fluidal texture of big and small blade, greatly improves generating efficiency, up to 86%
More than, it is widely used in various pipe type power generation machines, is particularly suitable under high pressure water flow environment (200~300m/S), passes through
Guide vane can control the direction of high pressure water flow, constantly impact centripetal turbine, since centripetal turbine uses the stream of big and small blade
Dynamic structure, cooperation guide vane greatly improve the conversion ratio of streaming potential.
The present invention is additionally provided with labyrinth type comb tooth on the outer wall of outer shroud, is revealed from high-pressure side to low-pressure end for reducing flow
Tooth；Runner caliber in volute from big to small, can keep the high pressure and flow velocity of flow always by flow approach axis；Outside inner ring
Screw thread is additionally provided on wall to be used to rotate, it is easy to install and use without additional mechanism for installing.
Description of the drawings
Fig. 1 centripetal turbine structural representations Fig. 1.
Fig. 2 centripetal turbine structural representations Fig. 2.
Fig. 3 centripetal turbine structural representations Fig. 3.
Fig. 4 centripetal turbine structural representations Fig. 4.
Fig. 5 centripetal turbine structural representations Fig. 5.
Fig. 6 pipe type power generation machine sectional views.
Fig. 7 pipe type power generation machine schematic diagrames.
Fig. 8 radial inflow hydraulic turbine structure schematic diagrames.
Wherein, 1- volutes, 2- guide vanes, 3- centripetal turbines, 4- centripetal turbine water inlets, 5- centripetal turbine water outlets,
6- upper casings, casing under 7-, 8- generators, the 9- radial inflow hydraulic turbines, 11- volute water inlets, 12- volute flow passages, 31- outer shrouds,
32- inner ring, the big blades of 33-, 34- vanelets, 35- screwed pipes, 36- screw threads, 37- labyrinth type comb teeth, 91- turbine wheel shafts, 92- axis
It holds, 93- bearings, 94- spacer sleeves, 95- flexible collars, 96- nuts, 97- nuts.
Specific implementation mode
The present invention is further illustrated With reference to embodiment.Wherein, attached drawing only for illustration,
What is indicated is only schematic diagram rather than pictorial diagram, should not be understood as the limitation to this patent；Reality in order to better illustrate the present invention
Example is applied, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art
For, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
As shown in figs. 6-7, the present embodiment provides a kind of pipe type power generation machine, including the radial inflow hydraulic turbine 3 and generator 8,
Generator 8 is connect with the radial inflow hydraulic turbine 3, and the radial inflow hydraulic turbine 3 includes upper casing 6, lower casing 7 and turbine assembly, lower casing 7
Inlet and outlet are respectively equipped with, turbine assembly runs through upper casing 6 and lower casing 7, and flow enters from 7 water inlet of lower casing,
It across turbine assembly, is flowed out from the water outlet of lower casing 7, water outlet is S type runners, and is gradually risen along the direction of water outlet
It is high；
As shown in figure 8, the present embodiment turbine assembly includes centripetal turbine 3 and turbine wheel shaft 91, centripetal turbine 3 is located at lower machine
In casket 7, turbine wheel shaft 91 connects centripetal turbine 3 and generator 8, turbine wheel shaft 91 are fixed on upper casing 6 by bearing 92 and bearing 93
It is interior, it is also cased with spacer sleeve 94 on the turbine wheel shaft 91 between bearing 92 and bearing 93 are solid, the use of flexible collar 95 is additionally provided on bearing 92
In preventing 92 play of bearing；
As shown in Fig. 1~5, the present embodiment further includes volute 1, is equipped with centripetal turbine 3 in the volute 1, outside centripetal turbine 3
Guide vane 2 equipped with water conservancy diversion, centripetal turbine 3 include inner ring 32 and outer shroud 31, and the big blade of rotation is fixed on outer shroud 31
33, the vanelets 34 for the rotation being fixed on outer shroud 31 are additionally provided between the big blade 33 of arbitrary neighborhood, inner ring 32 is sleeved on outer shroud
The centripetal turbine water inlet 4 and centripetal turbine water outlet 5 of centripetal turbine 3 are formed on 31, the both ends of big blade 33 extend respectively to
One end of vortex cordis wheel water inlet 4 and centripetal turbine water outlet 5, vanelets 34 extends to centripetal turbine water inlet 4, and the other end is in axis
Be less than the position of centripetal turbine water outlet 5 to direction, be additionally provided with the screwed pipe 35 of installation turbine wheel shaft 91 on outer shroud 31, inner ring it is outer
Be additionally provided with screw thread 36 on wall and rotate for being fixed on lower casing 7, the runner caliber in volute 1 by flow approach axis from greatly to
It is small, it is additionally provided with labyrinth type comb tooth 37 on the outer wall of outer shroud 31, is revealed from high-pressure side to low-pressure end for reducing flow, guide vane
2 thickness in radial directions is more than the bore of water outlet.
The operation principle of the present embodiment is as follows：High pressure water flow is entered by volute water inlet 11 in volute 1 from lower casing 7,
Under the guiding of static guide vane 2, centripetal turbine 3 is impacted, to make centripetal turbine 3 rotate and to 8 output work of generator
Rate, while hydraulic pressure reduces, flow is flowed out from the water outlet of centripetal turbine water outlet 5, lower casing 7 successively.
Runner caliber in the present embodiment volute 1 is arranged from big to small by flow approach axis, can keep flow always
The water outlet of high pressure and flow velocity, lower casing 7 is S type runners, and is gradually risen along the direction of water outlet, and high pressure water flow can be extended
Time in centripetal turbine 3.
As shown in Fig. 2, guide vane 2 is uniformly distributed around centripetal turbine 3 in 360 °, 2 curved edge of guide vane is rolled,
It is similar to horn shape to be formed, is arranged its purpose is to assemble flow.
As shown in figure 5, the length of vanelets is the one third of big length of blade to 2/3rds, big blade and vanelets
Radially it is bent in spatially spiral shape with axis.
Guide vane is uniformly distributed by 360 ° in the present embodiment, forms the channel for promoting high pressure water flow spiral rotating, from
And so that high pressure water flow forms well-regulated conglomeration to center flowing, centripetal turbine is constantly impacted, centripetal turbine rotation is pushed, to
The turbine wheel shaft rotation on outer shroud, turbine wheel shaft is driven then to connect generator and generate electricity.
The present embodiment high pressure water flow drives outer shroud 31 to rotate while impacting outer shroud 31, therefore outer shroud 31 is led with static
It flows between blade there are certain gap, high pressure water flow is revealed from gap to low-pressure end in order to prevent, on the outer wall of outer shroud 31
Equipped with labyrinth type comb tooth 37, sealed by comb tooth.
The present embodiment pipe type power generation machine can be widely applied in various pipe type power generation machines, especially in high pressure water flow
(200~300m/S), it is different from the common mixed-flow of hydraulic turbine industry and diagonal flow type, high pressure water flow can be controlled by guide vane
Direction, constantly impact centripetal turbine, and centripetal turbine then uses the fluidal texture of big and small blade, cooperation guide vane is very big
Improve the conversion ratio of streaming potential.
The present embodiment uses upper and lower casing integrated structure, have the advantages that it is compact-sized, compact and flexible, compared to mixed flow
The hydraulic turbine of formula and diagonal flow type, volume smaller, installation is more convenient, practical value higher.
Guide vane 2 is fixed by screws in lower casing in the present embodiment, compared to the guide vane in the existing hydraulic turbine
To be adjustable or mobilizable, fixed connection can offset high pressure water flow and rush at impact force reversed when large and small blade, due to
It is integrally fixed at lower casing, the impact of this part can be offset by lower casing, does not interfere with the rotation of centripetal turbine.
Obviously, above-described embodiment is only intended to clearly illustrate technical scheme of the present invention example, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the art, on the basis of the above description also
It can make other variations or changes in different ways.Any modification made by all within the spirits and principles of the present invention, etc.
With replacement and improvement etc., should be included within the protection of the claims in the present invention.
Claims (10)
1. a kind of pipe type power generation machine, which is characterized in that including the radial inflow hydraulic turbine and generator, the generator and radial inflow
The hydraulic turbine connects, and the radial inflow hydraulic turbine includes upper casing, lower casing and turbine assembly, and the lower casing is respectively equipped with into water
Mouth and water outlet, the turbine assembly run through upper casing and lower casing, and flow enters from lower casing water inlet, pass through turbine group
Part is flowed out from the water outlet of lower casing；
The turbine assembly includes centripetal turbine and turbine wheel shaft, and the centripetal turbine is located in lower casing, the turbine axis connection
Centripetal turbine and generator machine.
2. pipe type power generation machine according to claim 1, which is characterized in that the turbine wheel shaft is fixed by upper and lower two pairs of bearings
In upper casing, spacer sleeve is also cased on the turbine wheel shaft between bearing.
3. pipe type power generation machine according to claim 2, which is characterized in that be additionally provided with flexible collar on the bearing for preventing
Only bearing play.
4. pipe type power generation machine according to claim 1, which is characterized in that the water outlet is S type runners, and along going out
The direction of water gradually rises.
5. pipe type power generation machine according to claim 1, which is characterized in that the centripetal turbine includes volute, the volute
Interior to be equipped with centripetal turbine, the centripetal turbine is externally provided with the guide vane of water conservancy diversion, and the guide vane is around 360 ° of centripetal turbine
Be uniformly distributed, the centripetal turbine includes inner ring and outer rings, is fixed with the big blade of rotation on the outer shroud, arbitrary neighborhood it is big
The vanelets for being fixed on the rotation on outer shroud are additionally provided between blade, the inner ring sleeve forms the water inlet of centripetal turbine on outer shroud
Mouthful and water outlet, the both ends of the big blade extend respectively to inlet and outlet, one end of the vanelets extend into
The mouth of a river, the other end are less than the position of water outlet in the axial direction, and the screwed pipe of installation turbine wheel shaft is additionally provided on the outer shroud, described
The outer wall of inner ring is by being threadably mounted in lower casing.
6. pipe type power generation machine according to claim 5, which is characterized in that the runner caliber in the volute is entered by flow
Direction is from big to small.
7. pipe type power generation machine according to claim 5, which is characterized in that be additionally provided with labyrinth type comb on the outer wall of the outer shroud
Tooth is revealed for reducing flow from high-pressure side to low-pressure end.
8. pipe type power generation machine according to claim 5, which is characterized in that the guide vane is fixed under whirlpool in casing,
Thickness in radial directions is more than the bore of the water outlet of centripetal turbine, and curved edge is rolled.
9. pipe type power generation machine according to claim 5, which is characterized in that the big blade is in radially space spiral shell with axis
Shape bending is revolved, the vanelets are radially bent with axis in spatially spiral shape.
10. pipe type power generation machine according to claim 5, which is characterized in that the length of the vanelets is big length of blade
One third to 2/3rds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721689972.1U CN207974908U (en) | 2017-12-07 | 2017-12-07 | A kind of pipe type power generation machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721689972.1U CN207974908U (en) | 2017-12-07 | 2017-12-07 | A kind of pipe type power generation machine |
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| CN207974908U true CN207974908U (en) | 2018-10-16 |
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| CN201721689972.1U Active CN207974908U (en) | 2017-12-07 | 2017-12-07 | A kind of pipe type power generation machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742898A (en) * | 2018-12-28 | 2019-05-10 | 西安航天泵业有限公司 | A kind of totally-enclosed Low Temperature Liquid power generation device of integrated form |
-
2017
- 2017-12-07 CN CN201721689972.1U patent/CN207974908U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742898A (en) * | 2018-12-28 | 2019-05-10 | 西安航天泵业有限公司 | A kind of totally-enclosed Low Temperature Liquid power generation device of integrated form |
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Effective date of registration: 20200522 Address after: 412007 Industrial Zone 5, Zhuzhou Development Zone, Zhuzhou City, Hunan Province Co-patentee after: Xiangtan Zhuhua Dawei Machinery Manufacturing Co., Ltd Patentee after: ZHUZHOU SOUTHERN VALVE Co.,Ltd. Address before: 412000 No. 215 south the Yellow River Road, Tianyuan District, Hunan, Zhuzhou Patentee before: ZHUZHOU SOUTHERN VALVE Co.,Ltd. |