CN102422013A - An improved hydro turbine - Google Patents

An improved hydro turbine Download PDF

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Publication number
CN102422013A
CN102422013A CN2010800189865A CN201080018986A CN102422013A CN 102422013 A CN102422013 A CN 102422013A CN 2010800189865 A CN2010800189865 A CN 2010800189865A CN 201080018986 A CN201080018986 A CN 201080018986A CN 102422013 A CN102422013 A CN 102422013A
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CN
China
Prior art keywords
turbine
water
runner
thermomechanical components
further characterized
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.)
Pending
Application number
CN2010800189865A
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Chinese (zh)
Inventor
卡西米·阿利
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DUAL AXIS ENGINEERING SDN BHD
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DUAL AXIS ENGINEERING SDN BHD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DUAL AXIS ENGINEERING SDN BHD filed Critical DUAL AXIS ENGINEERING SDN BHD
Publication of CN102422013A publication Critical patent/CN102422013A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00Machines or engines of reaction type; Parts or details peculiar thereto
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/02Casings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00Working fluid
    • F05B2210/40Flow geometry or direction
    • F05B2210/402Axial inlet and radial outlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00Geometry
    • F05B2250/20Geometry three-dimensional
    • F05B2250/23Geometry three-dimensional prismatic
    • F05B2250/232Geometry three-dimensional prismatic conical
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Abstract

There is disclosed an improved hydro turbine assembly (1) that offers high productivity, high operating versatility and minimal and/or no cavitation for an improved efficiency. The present invention proposes a new hydro turbine assembly having substantially higher energy conversion process as well as versatile range of capability from low to high head applications. The hydro turbine assembly (1) comprises of at least an inlet connection (2), an inboard casing (3) and an outboard casing (4) and a turbine runner (6) arranged internally toward the end of the inlet connection (2), the turbine runner (6) is mechanically connected to a turbine shaft (7) arranged with means to generate mechanical energy by the rotation of the turbine shaft (7); characterized in that the inlet connection (2) and the turbine runner (6) are arranged such that water enters into the turbine in the same axis as of the turbine shaft (7) but from the opposite end and leaves it in a radial direction through the turbine runner (6). The turbine may be installed in a normal or in the open plume configuration.

Description

The water turbine of improvement
Technical field
The present invention relates generally to water turbine, it is at the mechanical assembly and the similar assembly that drive in particular for generating, has to reach to cause the water that more high efficiency and better energy transform the improvement of character and flow into and downstream.The present invention concentrates on controlling liquid and flows into turbine disc with axial direction, and radially axis flows out.
Background technique
Water turbine has various configurations, shape and size, and kind is simple by relatively, cooperates a plurality of turbines the most complicated to the control that uses a computer of hydroelectric power factory.Common water turbine classification is Francis turbine, Kaplan turbine, Pelton turbine, Banki turbine and inclined flow turbine.These water turbines are converted into electric energy to the Conversion of energy mechanical energy from liquid again.The configuration of existing water turbine has difference, especially about the inflow of water and the use, centrifugal force of flowing out direction, runner to the influence of current and to the obstruction of current.
In the configuration of some water turbines, especially Pelton turbine, Banki turbine and inclined flow turbine classification, the use of runner is generally low, has only the runner of several portions to be used at any time to transform energy.Because it is lower that the particular energy of these turbo machines transforms (kW/kg), these turbo machines are expensive usually to the low water head position, promptly need use wide variety of materials, just can obtain equal output quantity.
Due to the torsion character of the current that leave these water turbine, the energy loss that occurs because of the hole is common in Francis turbine and Kaplan turbine.These holes are difficult to handle, and cause these water turbine not to be suitable for the more serious high head of torsion effect and use.Long-range, the hole also causes damage to rotary wheel of water turbine.
And in other water turbine design, head causes runner to rotate centrifugal force and the antagonism of natural water waterpower in the water that produces.Therefore, but the clean power that energizing quantity transforms is confined to centrifugal force.It is as the same to Francis turbine and Kaplan turbine.Reduce the particular energy transformation ratio (kW/kg) of runner, cause these water turbine not to be suitable for low water head and use.
In addition, like Kaplan turbine and Banki turbine, water wheel axle along the water channel setting, causes obstruction to current by design in some existing designs.This causes efficient and energy output quantity to lower.
Therefore, the higher particular energy transformation ratio of basic, normal, high head being used (kW/kg), runner more efficiently energy conversion process and more multiaspect be designed to generally preferred.
Therefore, the purpose of this invention is to provide the abnormal type configuration of water turbine thermomechanical components, it provides high productivity, uses more multiaspect, allows the running that all are used at basic, normal, high hydraulic pressure head, and makes running efficient.Another object of the present invention provides the water turbine thermomechanical components of improvement, and it is produced minimum and/or can not produce whirlpool and hole, thereby causes the maintenance needs of low amount.The water turbine of improvement of the present invention is called the DAENG water turbine, is with reference to Dual Axis Engineering, i.e. the application's claimant.
Summary of the invention
The purpose of this invention is to provide a water turbine thermomechanical components, its maximization of using through runner has the more character of high-energy conversion.
Another object of the present invention provides a water turbine thermomechanical components, and wherein water flows out towards the equidirectional of centrifugal force, and it causes higher Conversion of energy being worked in the radial direction by what rotating wheel produced.
In addition, another object of the present invention provides a water turbine thermomechanical components, and it can be in turbo machine outlet to the water generates twisting force, causes minimum and even can not produce the hole.
These and other purpose of the present invention realizes through following object is provided:
One water turbine (1), its a minimum water supply connector (2), an inboard shell (3) and outside shell (4) of comprising; And
One is terminal and be arranged at the turbine disc (6) between outside shell (4) and the inboard shell (3) towards said water supply connector (2) in being arranged to; Said turbine disc (6) is mechanically attached to a water wheel axle (7), and it is provided with through water wheel axle (7) and rotates the device that produces mechanical energy;
It is characterized in that:
Said water supply connector (2) and turbine disc (6) are configured to make water along the said turbo machine of terminal entering with the identical axis of water wheel axle (7) but from the opposite; Use through a curved tapers assembly (11) changes its direction to radial direction; Get into runner blade and revolve the hole between the oar (8) and leave runner (6), and can not hindered by water wheel axle (7) to direction radially.
Preferably, turbine disc (6) has a plurality of leaves and revolves oar, and leaf revolves the oar surface to be arranged to make the water that gets into runner to pass leaf to revolve the space between the oar, is directed to towards the equidirectional with the centrifugal force of rotating wheel to flow out runner.
Yet, also should be preferably, a control annulus (9) combines with turbine assembly, with the energy output quantity of control turbo machine.
And, also should be preferably if having time the be set to moisture state of runner during the turbo machine running.
Also should be preferably, water turbine can be in being operated by the broad range that is low to moderate the high head running.
Description of drawings
The embodiment of the invention at present will be with reference to description of drawings (be merely and illustrate), wherein:
Fig. 1 is the stereogram according to the water turbine thermomechanical components of embodiment of the invention configuration.
Fig. 2 is the local cross-sectional parallax stereogram according to the water turbine thermomechanical components of embodiment of the invention configuration.
Fig. 3 is that the present invention has the turbine disc of single disk and the stereogram that water wheel axle is provided with.
Fig. 4 is another stereogram that turbine disc and water wheel axle are provided with, and runner has a plurality of disks.
Fig. 5 is the local cross-sectional parallax stereogram of water turbine arbor, and it has shown water (flow) direction that the present invention uses and the position of controlling the application settings to 100% of annulus, to manage energy output quantity of the present invention.
Fig. 6 is the local cross-sectional parallax stereogram of water turbine arbor, and it has shown water (flow) direction that the present invention uses and the position of controlling the application settings to 67% of annulus, to manage energy output quantity of the present invention.
Fig. 7 is the local cross-sectional parallax stereogram of water turbine arbor, and it has shown water (flow) direction that the present invention uses and the position of controlling the application settings to 33% of annulus, to manage energy output quantity of the present invention.
Fig. 8 is the local cross-sectional parallax stereogram of water turbine arbor, and it has shown water (flow) direction that the present invention uses and the position of controlling the application settings to 0% of annulus, to manage energy output quantity of the present invention.
Fig. 9 is another water turbine thermomechanical components of the present invention that is set in open plume form (open plume configuration).
Embodiment
With reference to accompanying drawing, elder generation is from the stereogram of the water turbine thermomechanical components of the visible improvement of the present invention of Fig. 1.Water turbine (1) comprising: a water supply connector (2), a water wheel axle (7), a turbine disc (displaying is not arranged) and a plurality of casing.The latter end of water wheel axle (7) is provided with usually machinery and the electronic equipment relevant with generating, and it transforms the hydraulic pressure energy to mechanical energy, is converted into electric energy again.This device generally includes an electric organ (displaying is not arranged).The General Principle of water turbine operates as follows: current revolve oar (displaying is not arranged) through the leaf that water supply connector (2) is directed to a turbine disc (displaying is not arranged), and therefore revolving oar at leaf has made moment, cause the runner rotation.The mechanical energy that changes into the pressure energy of current water wheel axle is represented in the rotation of turbine disc.When the outflow water that energy weakens is directed flowing out, follow the general shape of the shell that surrounds turbine disc.Shell curl of the present invention, spiral case (5) relevantly by name.What can estimate is that atypical turbine assembly of the present invention also can as shown in Figure 9ly be installed to open the plume form.In this case, needn't use this shell, but be arranged at a side to an outside waterwall (12) and an inboard waterwall (13) separately.Yet these walls needn't be the part of turbine assembly, but the part of building supporting structure.In this open plume form, turbo machine directly is fixed to these walls, need not use the spiral case of discussing in the early time.
In the embodiments of the invention, water (axially) is with the same axis of water wheel axle but terminally get into turbo machine from its another, and radially leaves through turbine disc.The free-flow of this preferred embodiment causes water and the obstruction that do not have water wheel axle (7) to cause, and the equidirectional of the centrifugal force that produces towards rotating wheel flows out runner.Centrifugal force has a positive effect to current, and it has advantage ground and allows that turbo machine is in low water head application running.These character provide versatility for the improvement turbine assembly.
With reference to accompanying drawing 2,3 and 4, wherein Fig. 2 is the local cross-sectional parallax stereogram of the water turbine thermomechanical components of configuration according to the present invention.The turbine assembly (1) that this figure shows comprises water supply connector (2), an outside shell (4) and spiral case (5).Shown turbine disc (6) comprise one be in runner (6) middle part a curved tapers assembly (11), a plurality of around runner or the leaf that is provided with of periphery revolve oar (8).Water supply connector (2) is configured such that water axially gets into turbine disc (6).Curved tapers assembly (11) is traditionally arranged to be the direction that makes water get into runner and fades to radial direction by axial direction, and can not cause the hole.The position that each runner blade revolves the surface of oar is set to guide the water that gets into runner to flow out to the equidirectional of the centrifugal force that is produced by rotating wheel.In a preferred embodiment, runner can be revolved that oar (8) (see figure 3) is processed by single leaf or had the disk (see figure 4) of revolving the approximate configuration of oar with leaf and processed by a plurality of.
Still be arranged in the turbine assembly with reference to accompanying drawing 2, one outlet rings (10), to surround turbine disc and to allow it freely to rotate.Outlet ring also has the function as the bonding point between inboard shell (3) and the outside shell (4), and guides water to leave turbine disc to the general direction of spiral case (5), to limit or to eliminate any obstruction to current.One control annulus (9) is set in the hole of outside shell (4), and the control annulus is designed to slipping into or skid off turbine disc, and the energy output quantity of turbo machine can be controlled.The control annulus slips into axial direction, causes the runner disk to close fully on demand or open.One or above disk are closed and unaffected disk when open fully fully, and the control point is achieved the most efficiently.Accompanying drawing 5,6,7 and 8 has shown the position of the control annulus when turbo machine is arranged on 100%, 67%, 33% and 0% load position respectively.Shown in figure, the output energy of control turbo machine can carry out more easily.
Fig. 3 has shown the exploded view of the setting of turbine disc and water wheel axle.Runner (6) uses the suitable connector of existing technology to be connected to the tip of the axis suitably.This figure has also shown that the leaf of runner revolves the setting of oar (8) and curved tapers assembly (11).The water that axially gets into runner can be guided to the surface that leaf revolves oar by tapered assemblies, causes runner to rotate.What make us believing very much is that the chance that this arrangement and assembly make the hole produce is very low.
Fig. 4 has shown another exploded view of the setting of turbine disc and water wheel axle, and wherein runner is processed by a plurality of disks.The more controls to the turbo machine output quantity are allowed in this setting.
Fig. 5 has shown the current how the present invention realizes having advantage like this.Water axially gets into runner through tie point, and radially flows out through runner.In the outlet of runner, can remaining very small amount of energy.Water leaves runner with the nubbin of energy through outlet ring (10), flows to spiral case (5) again.
Turbo machine with these character has following advantage:
1. use can bigizationner for runner, obtains higher Conversion of energy.This can cause higher particular energy to transform the character of (kW/kg).
2. because runner is intended institute if having time with the moisture state running, turbo machine is not subject to the problem of two-phase state.This two-phase state is difficult to control, and generally causes efficient to run off.Therefore, the turbo machine of proposition is compared with turbo machine running formerly, has more high efficient.
3. water freely gets into turbine disc, can't look like to be hindered by water wheel axle as existing several turbo machine.The runner of turbo machine of the present invention can be allowed more water flow, so compare with the runner of similar size of technology formerly, provides higher energy output quantity.
4. water flows out runner with the equidirectional of the centrifugal force that produces with rotating wheel.At some existing turbo machines, centrifugal force and current are opposite, so output quantity is caused negative effect, and in some other designs, centrifugal force has neutralism.Yet centrifugal force of the present invention is identical with the direction of current, and current are had positive influences, so cause just clean power, so provide higher particular energy to transform, and and allow the running that is in low water head.
5. do not have twisting force when water flows out with radial direction, the whirlpool and the hole that come across turbo machine are minimum.At existing turbine assembly, because leaf revolves oar outward appearance imperfection, under the situation that combines axle to rotate, water radially outflow can cause the current distortion.The helical nature of distortion current can cause whirlpool and hole, and the application of restriction high head, and effect wherein can be more serious.Advantageously, because head is little to the formation influence in whirlpool and hole, the present invention is suitable for by the to the utmost point extensive use of high head of utmost point low water head.
Accompanying drawing 5,6,7 and 8 has shown the position of control annulus (9), wherein controls the output quantity that annulus is used to control turbo machine.Through the switch of control runner disk, establish the suitable setting of closing multiple energy requirement and can realize easily.
Fig. 9 display setting is in the setting of the turbine assembly of open plume form.Therefore turbine assembly can be set by multiple set-up mode, is appropriate to the demand of position.
What can estimate is, character of the present invention can realize, replacing existing water turbine, or is used for new water turbine and installs.Specify in this though should be appreciated that the preferred embodiments of the present invention, can make a plurality of transformations, change and modification in this.So, should be appreciated that the details that the present invention is not limited to invent shown in the accompanying drawing, being changed to of these minor detail knows that the people of this row technology is clear to be known.

Claims (10)

1. a water turbine (1), it comprises a water supply connector (2), an inboard shell (3) and an outside shell (4) at least; And
One is terminal and be arranged at the turbine disc (6) between outside shell (4) and the inboard shell (3) towards said water supply connector (2) in being arranged to; Said turbine disc (6) is mechanically attached to a water wheel axle (7), and it produces mechanical energy to rotate through water wheel axle (7) in this generator;
It is characterized in that:
Said water supply connector (2) and turbine disc (6) are configured to water along the said turbo machine of terminal entering with the identical axis of water wheel axle (7) but from the opposite; Use through a curved tapers assembly (11) changes its direction to radial direction; Get into runner blade and revolve the hole between the oar (8) and leave runner (6), and can not hindered by water wheel axle (7) to direction radially.
2. water turbine thermomechanical components as claimed in claim 1, it is further characterized in that: water supply connector (2) is configured to let water axially get into turbine disc (6).
3. water turbine thermomechanical components as claimed in claim 2, it is further characterized in that: said turbine disc (6) is made up of single or a plurality of disks, and each said disk is fixed with a plurality of leaves and revolves oar (8).
4. water turbine thermomechanical components as claimed in claim 3; It is further characterized in that: a control annulus (9) is set in the outside shell (4) and touches turbine disc (6); Said control annulus (9) can slip into and skid off turbine disc (6); Through stopping that the water management that flows into or above disk flows into the water of turbine disc, with the energy output quantity of managing turbine machine runner.
5. water turbine thermomechanical components as claimed in claim 4, it is further characterized in that: an outlet ring (10) surrounds said turbine disc (6) and allows it freely to rotate; Said outlet ring (10) also has the function as the bonding point between inboard shell (3) and the outside shell (4), and guiding water leaves turbine disc (6) along the direction of spiral case (5).
6. like the described water turbine thermomechanical components of aforementioned arbitrary claim, it is further characterized in that: turbine disc (6) moisture state that is set to if having time.
7. water turbine thermomechanical components as claimed in claim 6, it is further characterized in that: runner is used in the maximum load position by maximization fully.
8. water turbine thermomechanical components as claimed in claim 7, it is further characterized in that: said water turbine can be used in basic, normal, high head and use.
9. water turbine thermomechanical components as claimed in claim 4, it is further characterized in that: said water turbine can also be set to open plume turbo machine form.
10. water turbine thermomechanical components as claimed in claim 9, it is further characterized in that: an outside waterwall (12) is combined into as the building supporting structure that is arranged at open plume form with an inboard waterwall (13).
CN2010800189865A 2009-04-29 2010-04-26 An improved hydro turbine Pending CN102422013A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
MYPI20091732 2009-04-29
MYPI20091732A MY144384A (en) 2009-04-29 2009-04-29 An improved hydro turbine
PCT/MY2010/000065 WO2010126352A2 (en) 2009-04-29 2010-04-26 An improved hydro turbine

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CN102422013A true CN102422013A (en) 2012-04-18

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CN2010800189865A Pending CN102422013A (en) 2009-04-29 2010-04-26 An improved hydro turbine

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US (1) US20120051902A1 (en)
EP (1) EP2425119A4 (en)
CN (1) CN102422013A (en)
CA (1) CA2756113A1 (en)
MY (1) MY144384A (en)
WO (1) WO2010126352A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9553452B2 (en) * 2011-07-06 2017-01-24 Carla R. Gillett Hybrid energy system

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CN1623036A (en) * 2002-05-30 2005-06-01 阿瑟·本杰明·奥康纳 Improved turbine
AT8476U1 (en) * 2005-07-22 2006-08-15 Kneissl Josef TURBINE ROAD FOR TURBINE TURBINES

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DE3602083A1 (en) * 1984-08-23 1987-07-30 Klaus Reithofer Turbine
US4958986A (en) * 1987-02-20 1990-09-25 Pierre Boussuges Centrifugal action turbine
US20020070560A1 (en) * 2000-12-12 2002-06-13 Everett Hylton Dual type multiple stage, hydraulic turbine power generator including reaction type turbine with adjustable blades
CN1623036A (en) * 2002-05-30 2005-06-01 阿瑟·本杰明·奥康纳 Improved turbine
AT8476U1 (en) * 2005-07-22 2006-08-15 Kneissl Josef TURBINE ROAD FOR TURBINE TURBINES

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Publication number Publication date
EP2425119A2 (en) 2012-03-07
EP2425119A4 (en) 2013-05-15
MY144384A (en) 2011-09-15
WO2010126352A2 (en) 2010-11-04
WO2010126352A3 (en) 2011-03-10
US20120051902A1 (en) 2012-03-01
CA2756113A1 (en) 2010-11-04

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Application publication date: 20120418