CN108350856A - The hydraulic turbine - Google Patents
The hydraulic turbine Download PDFInfo
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- CN108350856A CN108350856A CN201680042831.2A CN201680042831A CN108350856A CN 108350856 A CN108350856 A CN 108350856A CN 201680042831 A CN201680042831 A CN 201680042831A CN 108350856 A CN108350856 A CN 108350856A
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- hydraulic turbine
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- drainage plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
- F03B1/02—Buckets; Bucket-carrying rotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
- F03B15/02—Controlling by varying liquid flow
- F03B15/20—Controlling by varying liquid flow specially adapted for turbines with jets of high-velocity liquid impinging on bladed or like rotors
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
Abstract
A kind of impingement hydraulic turbine, the hydraulic turbine are made of beam emitter and tumbler two parts.Beam emitter includes pressure diversion room (1) and outflow port (2).What is be connected with outflow port (2) is the exit portal (7) being made of respectively the side plate (6) of bottom plate (5), top plate (4) and its both sides.It is sequentially connected with transmission parts in the top plate (4) of exit portal (7) or the water outlet hinge dress rotation valve (10) of bottom plate (5), and by rotation valve (10).The surface shape that tumbler is included in the wheel disc of main shaft or outer (29) outer surface of wheel hub is arranged by circumferencial direction between several both sides is the blade (19) of groove type.Outer end drainage plate (30) and inner end drainage plate (31) is respectively set in the outer end of groove type blade (19) and inner end.Vane groove inner surface is corresponding with exit portal (7) of beam emitter.Flow pressure energy can be efficiently converted to rotating mechanical energy and the water energy environment of low water head big flow by the hydraulic turbine.
Description
The invention belongs to the hydraulic turbines more particularly to a kind of low water head big flow high efficiency impingement hydraulic turbine in technical field of hydroelectric generation.
Currently, hydroelectric generation production used in the impingement hydraulic turbine may be only available for high moisture head and small flow hydraulic power potentials, and can not adapt to generally in the form of low water head big flow existing for hydraulic power potentials.And, deficiency existing for the impingement hydraulic turbine are as follows: the high-velocity flow projected around from the round nozzle needle of round nozzle and its interior arrangement can generate serious head-on collision phenomenon when concentrating to its end center, heavy losses are caused to the water flow dynamic energy of injection nozzle, so that water flow dynamic energy efficiently can not be converted to water flow pressure energy；Occur not removing when sundries card resistance phenomenon in nozzle；The water flow being discharged from runner bucket inner end rushes at behind its front bucket back side again the severe jamming operating of runner, to make water flow dynamic energy that can not efficiently be converted to rotating mechanical energy again.Moreover, the bucket processing and manufacturing of the runner is very difficult.
The counterattacks type such as mixed-flow, axial-flow type used in the low water head high flow water energy resource hydraulic turbine in operation there is part water energy acted in the form of axial hydraulic thrust after runner can not work done, and be easy to cause burning accident；The increase of main shaft seal leak random groups aperture and increase；Unit can substantially vibrate power output and be decreased obviously when occurring sundries card resistance phenomenon in the runner formed between runner bucket；Spiral case and guide vane due to constantly changing the direction of a stream of water caused by many deficiencies such as hydraulic loss is larger, keep the comprehensive operation efficiency of the hydraulic turbine extremely low.
In CN101871415A and CN101354004A, the jet orifice that device regulator plate or brake shoe and water outlet discharge surface hinge adjustment section flashboard are constituted in track, before technical solution is unable to satisfy water flow outgoing
Requirement to the grading profile and symmetric form of exit portal smooth interior surfaces, it is not able to satisfy the requirement for requiring certain ozzle length when water flow outgoing to exit portal especially, make its jet orifice that can only go out flow by orifice outflow mode is inefficient, and can not be efficiently emitted with ozzle emission mode.Therefore water flow pressure energy can not be efficiently converted to water flow dynamic energy, and the structure can not be arranged on often all exit portals.Blade outer end end face is to the drainage back being arranged between adjacent blades inner end thereafter, its kinetic energy can not passed to also by high-speed jet during operation and directly push downstream under the situation of blade, severe jamming phenomenon is produced to the kinetic energy conversion of high-velocity flow, and the structure also makes high-velocity flow that can not obtain best immersion angle；Shape is the groove type blade of triangular shape and its what drainage plate was unable to satisfy rectangular section high-speed jet enter water requirement；Circular ring shape, be arranged successively or dock formed annular shape and arc shape groove blade and its auxiliary blade and supporting element can not meet simultaneously high-speed jet most preferably enter water and angle of water, the auxiliary blade of its a quarter ball surface shape generates impingement phenomenon after part high-velocity flow can be made to rush at auxiliary blade in front of it along groove, and can stop smoothly flowing out for other parts high-velocity flow；Make high-speed jet that can generate collision phenomenon in inlet and outlet blade by the spiral shape or smooth groove type blade axially arranged, therefore water flow dynamic energy can not be effectively converted to rotating mechanical energy by its technical solution.Due to the equal low efficiency of two sets of technical solutions and structure is complicated, to can not implement.
Summary of the invention
It is an object of the invention to overcome deficiency existing for current the used hydraulic turbine, and providing one kind efficiently can be converted to water flow dynamic energy for water flow pressure energy and water flow dynamic energy is efficiently converted to rotating mechanical energy；And low water head high flow water energy resource was not only adapted to, but also the impingement hydraulic turbine that the sundries of card resistance in exit portal can be automatically drained out.
The purpose of the present invention is achieved through the following technical solutions.
The impingement hydraulic turbine is made of beam emitter and rotating device two parts, and beam emitter includes pressure
Flume and its one or several outflow ports, the exit portal being made of respectively bottom plate, top plate and its side plate of two sides being connected with outflow port, and including the transmission parts being connected with governor or power device, and the components such as the movable deflecting plate that exit portal exit site is set with transmission parts transmission connection；Rotating device includes main shaft, bearing and its shaft coupling, one or several wheel discs or wheel hub of the device on main shaft, and surface shape is the components such as the blade of groove type between several two sides, it is characterized by: in the top plate of exit portal or the water outlet hinge dress rotation valve of bottom plate, and rotation valve and transmission parts are sequentially connected；Surface shape is the blade of groove type between several two sides are directly arranged by circumferencial direction for wheel disc or hub outside surface, outer end drainage plate is respectively set in the outer end end face of groove type blade, inner end drainage plate is respectively set in the inner end of groove type blade, and a side section of vane groove inner surface is corresponding with the exit portal of beam emitter.
The impingement hydraulic turbine of the present invention, rotation valve can also be the structure that valve and top plate or bottom plate are linked together.
Fixed deflecting plate can also be arranged in front of the water outlet of rotation valve in the impingement hydraulic turbine of the present invention.
The impingement hydraulic turbine of the present invention is connected after several exit portals with rotation valve can also be arranged with same outflow port.
The impingement hydraulic turbine of the present invention, outer end drainage plate can also be that the water inlet portion top of drainage plate is lower than the two sides edge of groove type blade.
The impingement hydraulic turbine of the present invention, outer end drainage plate can also be between the water part surface of drainage plate and water inlet portion surface in an angle.
The inner surface at vane groove inner end position can also be arranged in the impingement hydraulic turbine of the present invention, inner end drainage plate.
The impingement hydraulic turbine of the present invention, inner end drainage plate can also be arranged with the perpendicular angle of groove of blade or the form of a certain angle.
The impingement hydraulic turbine of the present invention, the top of inner end drainage plate are also extend to the back side of its front recess shape blade.
The impingement hydraulic turbine of the present invention, inner end drainage plate can also be hub outside surface.
The impingement hydraulic turbine of the present invention, rotating valve or movable deflecting plate can also be sequentially connected with gravity or elastic body.
When pressure flow enters exit portal by water outlet from pressure diversion room, and drives rotation valve rotation by transmission parts, pressure flow can be by the size loophole exit portal of required outgoing flow；When the aperture for rotating valve reaches maximal regulated aperture, the emergent shape of exit portal just can form complete symmetric form exit portal, and water flow pressure energy can be efficiently converted to water flow dynamic energy under the situation of no any interference by pressure flow at this time.When the high-speed jet of injection exit portal acts on the side of groove type blade, high-speed jet then can smoothly be guided into the other side of groove by interior outer end drainage plate, and it is smoothly discharged between the outer surface of its front blade and outer end drainage plate, therefore water flow dynamic energy is passed to the runner being made of blade and its drainage plate and wheel hub or wheel disc, sufficiently under the situation of no any interference so as to which water flow dynamic energy is efficiently converted to rotating mechanical energy.
The part high-speed jet for entering groove type blade can be folded to by its transmission parts according to the needs of runner and adjust the flow for entering runner later by movable deflecting plate.When the hydraulic turbine needs emergency shutdown, it after the whole high-speed jets for entering runner can be then folded to rapidly by movable deflecting plate, shut down the hydraulic turbine can in time in the state of not by any motive force.When in the movable deflecting plate of the non-device of exit site for corresponding to exit portal, the fixed deflecting plate that rotation valve water outlet is arranged in can will be such that the hydraulic turbine is not being pushed away by any equally while rotating valve and completely closing after the jet stream that leaks out be folded in rotation valve crack between a door and its frame
It can be shut down in time in the state of power.When the power device for rotating valve or movable deflecting plate breaks down, valve is rotated under the action of the gravity or elastic body being sequentially connected with it or movable deflecting plate remains to reliably close.
When occurring sundries card resistance phenomenon in jet orifice, the rotation valve opening that valve and top plate or bottom plate can be linked together to structure increases to remove contamination aperture after sundries is excluded automatically.
According to above-described composition situation and its working principle and process, which has following beneficial effect and significant progress:
1. the hydraulic turbine overall structure advantages of simple, each component especially rotates valve and groove type blade and its drainage plate all has superior stress condition, and the hydraulic turbine is made to have safe and reliable performance.And each component manufacture assembly difficulty is small, the implementation for the technical solution that is highly advantageous to.
2. in the hydraulic turbine, rotation valve had both been able to satisfy the requirement of the preceding grading profile and symmetric form to exit portal smooth interior surfaces of water flow outgoing, it is able to satisfy requirement when water flow outgoing to exit portal with certain ozzle length again, when it, which adjusts aperture, reaches maximum value, the emergent shape of exit portal just can form complete symmetric shape, and exit portal is enable efficiently to be emitted by ozzle emission mode.Therefore, which can efficiently be converted to water flow dynamic energy under the situation of no any interference for water flow pressure energy.
3. rotating valve No leakage in the case where installing sealing element or its close situation of cooperation additional in the hydraulic turbine to lose, there is no the hydraulic losses that water flow is generated because changing flow direction for outflow port and coupled exit portal.
4. in the hydraulic turbine, the rectangular section high-speed jet that the drainage plate of groove type blade outer end end face setting can adapt to the rectangular output mouth being made of components such as rotation valve injection completely enters water requirement, and so that the drainage plate and groove type blade is obtained best immersion angle degree；High-velocity flow can smoothly be guided into the groove other side by the drainage plate of groove type blade inner end setting, and be can be avoided and adversely affected during operation to the discharge bring of high-velocity flow on the outside of its front recess shape blade and its outer end drainage back, to make
High-velocity flow can obtain best angle of water.Therefore, which can efficiently be converted to rotating mechanical energy under the situation of no any interference for water flow dynamic energy.
5. after the exit portal of several structures is arranged in the hydraulic turbine, be fully able to meet low water head great deal running water enters water requirement.
6. two different form of deflecting plate can make hydraulic turbine reliable shutdown in the hydraulic turbine, and rotating valve or deflecting plate can rely on gravity or elastic body reliably close when power device breaks down.
7. there is sundries card resistance phenomenon in exit portal in operation in the hydraulic turbine, sundries can be excluded automatically when rotation valve is structure as a whole with top plate or bottom plate setting, and between the blade and its drainage plate of groove type be not present sundries card resistance phenomenon, so as to avoid because the hydraulic turbine disintegration remove contamination caused by all power generation loss.
According to above-described beneficial effect and significant progress, the annual electricity generating capacity of turbine-generator units is substantially improved can on the original basis in the utilization of the hydraulic turbine.Therefore, the technical solution to the existing various inefficient hydraulic turbine renovate and continual exploitation utilize in the form of low water head big flow existing for hydroelectric resources abundant provide advantageous technical conditions.
Present invention will be further explained below with reference to the attached drawings and examples.
The hydraulic turbine longitudinal profile structure diagram that Fig. 1 is made of rotation valve, movable deflecting plate and the components such as groove type blade and its drainage plate；
Fig. 2 is the E-E sectional view in Fig. 1；
Fig. 3 is the F direction view in Fig. 2；
Fig. 4 is the hydraulic turbine longitudinal profile structure diagram that will rotate exit portal and the components such as groove type blade and its drainage plate composition that valve is structure as a whole with top plate setting；
Fig. 5 is the A-A sectional view in Fig. 4；
Fig. 6 is the B-B sectional view in Fig. 4；
Fig. 7 is that the exit portals by three with fixed deflecting plate are arranged above and below the hydraulic turbine longitudinal profile structure diagram of the beam emitter and the components such as groove type blade and its drainage plate composition that are connected after setting with same outflow port；
Fig. 8 is the C-C sectional view in Fig. 7；
Fig. 9 is the D direction view in Fig. 8.
Invoking marks in above each figure: 1. pressure diversion rooms；2. outflow port；3. movable deflecting plate；4. top plate；5. bottom plate；6. side plate；7. exit portal；8. servomotor；9. servomotor；10. rotating valve；11. door-hinge；12. sealing element；13. support plate；14. checking soil cleaning port lid；15. linear path；16. pulling plate；17. fixed deflecting plate；18. straight pin；19. groove type blade；20. main shaft；21. casing；22. sluice way；23. wearing plate, facing plate；24. shaft；25. control panel；26. winning in succession；27. transmission arm；28. arc line shaped track；29. wheel hub；30. outer end drainage plate；31. inner end drainage plate；32. gravity block；33. spring；34. gear drive；35. motor；36. transmission shaft；37. sliding block；38. lever.
Fig. 1, Fig. 2 and Fig. 3 show one embodiment of the invention.
It is as shown in the figure: to be connected with the outflow port 2 that cross-sectional shape is rectangle in the water outlet of pressure diversion room 1, the water outlet of outflow port 2 is connected with the exit portal 7 being made of the side plate 6 of top plate 4, bottom plate 5 and its two sides.There is rotation valve 10 by 11 articulated mounting of door-hinge in the water outlet of top plate 4, there is the plate rubber seal 12 for covering its edge by presser device in the lower section of rotation valve 10 and door-hinge 11, servomotor 8 is hingedly connected at the top of rotation 10 water outlet of valve, on the supporting element at its 13 top of support plate, the pressure perfusion tube of servomotor 8 is connected the other end hinge of servomotor 8 with governor hydraulic device.Inspection soil cleaning port is offered at the middle part of top plate 4 and is provided with lid 14.It is set respectively in both side plate 6 and its upper and lower position
It is equipped with linear path 15, and in the outside of both side plate 6, device has the pulling plate 16 that can be slided up and down respectively by track 15, movable deflecting plate 3 is fixed in the exit site that two pulling plates 16 correspond to exit portal 7, it is sequentially connected at the top of two pulling plates 16 by straight pin 18 and servomotor 9, on the supporting element at its 13 top of support plate, the pressure perfusion tube of servomotor 9 is connected the other end hinge of servomotor 9 with hydraulic device.Device has gravity block 32 and its transmission mechanism between the both side plate 6 below two pulling plates 16.It is respectively the runner that the blade 19 of groove type is constituted that device, which has surface shape between 16 pairs of two sides for directly welding setting by circumferencial direction by wheel hub 29 and its outer surface, on through main shaft 20 of the bearing by horizontal direction device.The outer end end face of groove type blade 19 is respectively arranged with outer end drainage plate 30, and the water inlet portion top of drainage plate 30 is lower than the two sides edge of groove type blade 19；It is in an angle between the water part surface and water inlet portion surface of drainage plate 30.The inner surface at 19 inner end position of groove type blade is respectively arranged with inner end drainage plate 31, and drainage plate 31 and the groove of blade 19 are arranged in the form of an angle, and the top of drainage plate 31 extends to the back side of its front recess shape blade.The inboard portion of 19 groove inner surface of blade is corresponding with the exit portal 7 of beam emitter.Sluice way 22 is provided with below beam emitter and runner, top and two sides are provided with casing 21, and the backplate surface of sluice way 22 is provided with wearing plate, facing plate 23.
When pressure flow enters exit portal 7 by outflow port 2 from flume 1, servomotor 8 can then drive the rotation rotation of valve 10 that water flow is made to project exit portal 7 by required flow, the jet flow for entering blade 19 is adjusted after movable deflecting plate 3 can then be moved up and down by servomotor 9 at this time by flow needed for runner, when the aperture for rotating valve 10 reaches maximal regulated aperture, water flow pressure energy is efficiently converted to rotating mechanical energy under the situation of no any interference by exit portal 7 and blade 19.
When the hydraulic turbine needs emergency shutdown, after the whole high-speed jets for entering blade 19 can be folded to rapidly by movable deflecting plate 3, the hydraulic turbine is enable not shut down in time under by the condition state of any motive force.
When hydraulic device decompression phenomenon occurs because of failure, stop issuing stopping signal and opening servomotor 9
In the case where machine cavity discharge port, gravity block 32 can reliable shutdown after then deflecting plate 3 being made all to be folded to high-speed jet by its gravity and by its transmission mechanism two pulling plates 16 of picking-up.
It is when occurring sundries card resistance phenomenon in jet orifice, then openable to check that lid 14 of removing contamination removes sundries.
Fig. 4, Fig. 5 and Fig. 6 show second embodiment of the invention.
It is as shown in the figure: to be arranged successively there are three being connected in the water outlet of pressure diversion room by horizontal direction, have each other at regular intervals, cross-sectional shape is the outflow port 2 of rectangle, and the water outlet of outflow port 2 is respectively and fixedly connected with the exit portal 7 being made of the side plate 6 of top plate 4, bottom plate 5 and its two sides.There is the rotation valve 10 that structure is linked together by valve and front section top plate 4 by 11 articulated mounting of door-hinge at the middle part of top plate 4, linear path 15 is provided between the side plate 6 of two sides above valve 10 rotating, gear drive 34 is hingedly connected with by the sliding block 37 slided up and down by linear path 15 at the top of rotation 10 water outlet of valve, gear drive 34 is sequentially connected by transmission shaft 36 and motor 35, and the tail end of 35 axis of motor is provided with handwheel.There is shaft 24 in 6 devices of both side plate, two end devices of shaft 24 have two pulling plates 16, movable deflecting plate 3 is fixed in the exit site that two pulling plates 16 correspond to exit portal 7, it is articulated and connected at the top of two pulling plates 16 by transmission arm 27 and servomotor 8, the pressure appendix of servomotor 8 is connected with pneumatic shuttle, and device has spring 33 and its transmission mechanism between the both side plate 6 below two pulling plates 16.By the way that successively there are three the runners that the blade 19 that surface shape between 16 pairs of two sides for directly welding setting respectively by circumferencial direction by wheel hub 29 and its outer surface respectively is respectively groove type is constituted for device on main shaft 20 of the bearing by horizontal direction device, planar shaped outer end drainage plate 30 is respectively arranged in the outer end end face of groove type blade 19, its inner end drainage plate is made of inner surface below vane groove and the drainage plate 31 of the perpendicular angle setting of groove and outer surface two parts of upper part wheel hub 29 respectively, and it is the inboard portion of 19 groove inner surface of blade is corresponding with the exit portal 7 of beam emitter.Sluice way 22 is provided with below three groups of beam emitters and runner, top and two sides are provided with casing 21.
When pressure flow enters exit portal 7 from outflow port 2, gear drive 34 or manually-operated handwheel can then drive the rotation rotation of valve 10 that water flow is made to project exit portal 7 by required outgoing flow, and movable deflecting plate 3 then can be adjusted the jet flow for entering blade 19 by servomotor 8 by flow needed for runner at this time after back rotation.
When the aperture for rotating valve 10 reaches maximal regulated aperture, water flow pressure energy can be efficiently converted to rotating mechanical energy under the situation of no any interference by exit portal 7 and blade 19.
When the hydraulic turbine needs emergency shutdown, after the whole high-speed jets for entering blade 19 can be then folded to rapidly by movable deflecting plate 3, the hydraulic turbine is enable not shut down in time under by the condition state of any motive force.
Pressure is lost when there is pneumatic shuttle, and when motor loses power supply and the fault conditions such as unattended, spring 33 can reliable shutdown after then holding up two pulling plates 16 by its elastic force and by its transmission mechanism deflecting plate 3 being made all to be folded to high-speed jet.
When occurring sundries card resistance phenomenon in jet orifice, then the aperture for rotating valve 10 can be increased to after blowdown aperture and be automatically drained out sundries.
Fig. 7, Fig. 8 and Fig. 9 show third embodiment of the invention.
It is as shown in the figure: pressure diversion room water outlet connection there are four being arranged successively by horizontal direction, have each other at regular intervals, cross-sectional shape is the outflow port 2 of rectangle.It will be arranged by the side plate 6 of top plate 4, bottom plate 5 and its two sides and about 7 three exit portals for constituting of rotation valve 10 by circumferencial direction after being structure as a whole and be connected respectively with its corresponding same outflow port 2 respectively.Rotation valve 10 is structure as a whole by valve and the setting of front section top plate 4, arc line shaped track 28 is respectively arranged on the both side plate 6 above rotation valve 10, device has the shaft 24 being sequentially connected with rotation 10 water outlet of valve top by control panel 25 respectively in track 28, pass through 26 articulated connections of winning in succession between top shaft 24 and transmission arm 27 respectively between shaft 24, the top of transmission arm 27 and servomotor 8 are articulated and connected
The pressure perfusion tube of servomotor 8 is connected with governor hydraulic device.The water outlet of rotation valve 10 has been respectively arranged in front with fixed deflecting plate 17.The front top of both side plate 6 is provided with straight pin 18, the outside that straight pin 18 is located at both side plate 6 is respectively arranged with lever 38, and the other end of lever 38 is respectively arranged with gravity block 32, and two levers 38 are respectively acting on to the both ends of top shaft 24.By the way that successively there are four the runners that the blade 19 that surface shape between 16 pairs of two sides for directly welding setting respectively by circumferencial direction by wheel hub 29 and its outer surface respectively is respectively groove type is constituted for device on main shaft 20 of the bearing by horizontal direction device, the outer end end face of groove type blade 19 is respectively arranged with planar shaped outer end drainage plate 30, the inner surface of its groove inner end is respectively arranged with inner end drainage plate 31, and the perpendicular angle form of the longitudinal direction of drainage plate 31 and 19 groove of blade is arranged；It is arranged with the transverse direction of 19 groove of blade in an angle form, and the top of drainage plate 31 is extended to the back side of its front recess shape blade.It will be corresponding with the inboard portion of 19 groove inner surface of the blade of its corresponding runner respectively with three exit portals 7 that same outflow port 2 is connected.Sluice way 22 is provided with below four groups of beam emitters and runner, top and two sides are provided with casing 21.
When pressure flow enters exit portal 7 from outflow port 2, servomotor 8 is slidably reciprocated in arc line shaped track 28 by transmission arm 27 and 26 drive, three shafts 24 of winning in succession enables three outgoing uninterrupteds for rotating valve 10 and adjusting exit portal 7 simultaneously, distinguishes the inboard portion of its corresponding 19 groove inner surface of blade in the same runner of directive by the high-speed jet that three exit portals 7 project at this time.
When the hydraulic turbine needs emergency shutdown; servomotor 8 can then be such that rotation valve 10 completely closes; and the fixed deflecting plate 17 in 10 front of rotation valve is set when rotation valve 10 completely closes; runner after the jet stream that leaks out is folded to completely in rotation 10 crack between a door and its frame of valve, will be made being capable of not reliable shutdown under by the condition state of any motive force.
When hydraulic device failure phenomenon, gravity block 32 then by its gravity and can pass through lever 38
It can be shut down in time after closing three rotation valve 10.
When occurring sundries card resistance phenomenon in jet orifice, then the aperture for rotating valve 10 can be increased to after blowdown aperture and be automatically drained out sundries.
Claims (11)
- A kind of impingement hydraulic turbine is made of beam emitter and rotating device two parts, beam emitter includes pressure diversion room and its one or several outflow ports, the exit portal being made of respectively bottom plate, top plate and its side plate of two sides being connected with outflow port, and including the transmission parts being connected with governor or power device, and the components such as the movable deflecting plate that exit portal exit site is set with transmission parts transmission connection；Rotating device includes main shaft, bearing and its shaft coupling, one or several wheel discs or wheel hub of the device on main shaft, and surface shape is the components such as the blade of groove type between several two sides, it is characterized by: in the top plate of exit portal or the water outlet hinge dress rotation valve of bottom plate, and rotation valve and transmission parts are sequentially connected；Surface shape is the blade of groove type between several two sides are directly arranged by circumferencial direction for wheel disc or hub outside surface, outer end drainage plate is respectively set in the outer end end face of groove type blade, inner end drainage plate is respectively set in the inner end of groove type blade, and a side section of vane groove inner surface is corresponding with the exit portal of beam emitter.
- The impingement hydraulic turbine according to claim 1, it is further characterized in that: rotation valve can also be the structure that valve and top plate or bottom plate are linked together.
- The impingement hydraulic turbine according to claim 1, it is further characterized in that: fixed deflecting plate can also be set in front of the water outlet of rotation valve.
- The impingement hydraulic turbine according to claim 1, it is further characterized in that: it is connected after several exit portals with rotation valve can also be arranged with same outflow port.
- The impingement hydraulic turbine according to claim 1, it is further characterized in that: outer end drainage plate can also be that the water inlet portion top of drainage plate is lower than the two sides edge of groove type blade.
- The impingement hydraulic turbine according to claim 1, it is further characterized in that: outer end drainage plate can also be between the water part surface of drainage plate and water inlet portion surface in an angle.
- The impingement hydraulic turbine according to claim 1, it is further characterized in that: inner end drainage plate may be used also The inner surface at vane groove inner end position is arranged in.
- The impingement hydraulic turbine according to claim 1, it is further characterized in that: inner end drainage plate can also be arranged with the perpendicular angle of groove of blade or the form of a certain angle.
- The impingement hydraulic turbine according to claim 1, it is further characterized in that: the top of inner end drainage plate is also extend to the back side of its front recess shape blade.
- The impingement hydraulic turbine according to claim 1, it is further characterized in that: inner end drainage plate can also be hub outside surface.
- The impingement hydraulic turbine according to claim 1,2 or 3, it is further characterized in that: rotation valve or movable deflecting plate can also be sequentially connected with gravity or elastic body.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474261 | 2014-08-15 | ||
| CN201410414721 | 2014-08-15 | ||
| CN201510442564.5A CN105370478A (en) | 2014-08-15 | 2015-07-27 | Water turbine |
| CN201510442564.5 | 2015-07-27 | ||
| PCT/CN2016/000373 WO2017016181A1 (en) | 2014-08-15 | 2016-07-11 | Hydraulic turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108350856A true CN108350856A (en) | 2018-07-31 |
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ID=55372998
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510442564.5A Pending CN105370478A (en) | 2014-08-15 | 2015-07-27 | Water turbine |
| CN201680042831.2A Withdrawn CN108350856A (en) | 2014-08-15 | 2016-07-11 | The hydraulic turbine |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510442564.5A Pending CN105370478A (en) | 2014-08-15 | 2015-07-27 | Water turbine |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN105370478A (en) |
| WO (1) | WO2017016181A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370478A (en) * | 2014-08-15 | 2016-03-02 | 黄国宏 | Water turbine |
| CN105971799A (en) * | 2016-05-27 | 2016-09-28 | 罗富强 | Water turbine with runner blades in sawtooth shape |
| JP2018025185A (en) * | 2016-07-28 | 2018-02-15 | Ntn株式会社 | Water power generator and power generating system |
| CN109340020B (en) * | 2017-02-18 | 2020-05-19 | 井冈山市浙赣水电有限公司 | Horizontal shaft impact type water turbine with high power generation efficiency |
| CN107191317A (en) * | 2017-07-07 | 2017-09-22 | 武汉武水电气技术有限责任公司 | It is a kind of to be used as power rotational speed of water turbine modulator of the water as working media using hydraulic pressure |
| CN109340021A (en) * | 2018-10-30 | 2019-02-15 | 浙江富春江水电设备有限公司 | A kind of impact runner |
| WO2020186327A1 (en) * | 2019-03-18 | 2020-09-24 | Frangie Nabil H | Hydraulically assisted electromagnetic impulse turbine |
| TWI718916B (en) * | 2020-03-30 | 2021-02-11 | 賴融毅 | Device for adjusting water flow and water turbine using the same |
| CN112502896B (en) * | 2020-11-30 | 2022-05-20 | 中国长江电力股份有限公司 | Early warning method and system for deviation degree of action rate of servomotor of water turbine |
| CN113669187A (en) * | 2021-05-24 | 2021-11-19 | 河北工程大学 | Intelligent and efficient water turbine for hydroelectric generation device |
| CN113738561B (en) * | 2021-09-02 | 2024-05-10 | 福建省力得自动化设备有限公司 | Steering device operating mechanism for hydropower station |
| CN114576062B (en) * | 2022-02-28 | 2023-08-29 | 东方电气集团东方电机有限公司 | Water distribution ring pipe |
| CN114790958B (en) * | 2022-03-18 | 2024-04-05 | 何玉春 | Impact water turbine and impact water turbine generator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2787863Y (en) * | 2005-01-28 | 2006-06-14 | 许文华 | Double-turbine double-spry and double-impacting type water turbine generator |
| CN2926567Y (en) * | 2006-07-28 | 2007-07-25 | 四川东风电机厂有限公司 | Connected shutter of multi-nozzle impacting turbine |
| CN105370478A (en) * | 2014-08-15 | 2016-03-02 | 黄国宏 | Water turbine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1035082A (en) * | 1908-09-25 | 1912-08-06 | Jean Cachin | Automatic regulator for impact water-wheels. |
| US2976687A (en) * | 1956-07-16 | 1961-03-28 | Allis Chalmers Mfg Co | Control for multijet impulse turbine |
| FR2140903A5 (en) * | 1971-06-11 | 1973-01-19 | Le Metalliches | |
| CN2228555Y (en) * | 1995-08-14 | 1996-06-05 | 吴铁民 | Jetting nozzle and controller for impulse water turbine |
| CN101354004A (en) * | 2007-07-25 | 2009-01-28 | 黄国宏 | All-purpose hydroturbine |
| CN201763504U (en) * | 2010-08-20 | 2011-03-16 | 华南理工大学 | Impact hydraulic turbine runner bucket with stress releasing grooves |
| CN203452973U (en) * | 2013-09-09 | 2014-02-26 | 重庆云河水电股份有限公司 | Dual-spraying dual-folding type deflector operating mechanism of impulse turbine |
| CN104481793A (en) * | 2014-12-06 | 2015-04-01 | 无锡高卓流体设备有限公司 | Water turbine with adjustable water entry pressure |
-
2015
- 2015-07-27 CN CN201510442564.5A patent/CN105370478A/en active Pending
-
2016
- 2016-07-11 CN CN201680042831.2A patent/CN108350856A/en not_active Withdrawn
- 2016-07-11 WO PCT/CN2016/000373 patent/WO2017016181A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2787863Y (en) * | 2005-01-28 | 2006-06-14 | 许文华 | Double-turbine double-spry and double-impacting type water turbine generator |
| CN2926567Y (en) * | 2006-07-28 | 2007-07-25 | 四川东风电机厂有限公司 | Connected shutter of multi-nozzle impacting turbine |
| CN105370478A (en) * | 2014-08-15 | 2016-03-02 | 黄国宏 | Water turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105370478A (en) | 2016-03-02 |
| WO2017016181A1 (en) | 2017-02-02 |
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