CN106286078A - Adapt to the flow adjustable runner hydraulic turbine - Google Patents
Adapt to the flow adjustable runner hydraulic turbine Download PDFInfo
- Publication number
- CN106286078A CN106286078A CN201610658422.7A CN201610658422A CN106286078A CN 106286078 A CN106286078 A CN 106286078A CN 201610658422 A CN201610658422 A CN 201610658422A CN 106286078 A CN106286078 A CN 106286078A
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- China
- Prior art keywords
- runner
- flow
- connecting hole
- bracket
- low discharge
- 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.)
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Classifications
-
- 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
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
-
- 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
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/02—Casings
-
- 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
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
-
- 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
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/16—Stators
-
- 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
The present invention relates to a kind of adaptation flow adjustable runner hydraulic turbine, it spiral case including being provided with speed regulator, set rotating mechanism above spiral case, rotating mechanism arranges rotating shaft, sets draft tube straight length and draft tube bend loss below spiral case successively；Rotating shaft is vertically arranged, and its lower end arranges runner；Runner includes being applicable to the big flow runner of big flow working environment, being applicable to the low discharge runner of low discharge working environment, big flow runner is identical with the lower equal diameter of ring with the crown of low discharge runner, and the stress surface area of the runner bucket of big flow runner is more than the stress surface area of the runner bucket of low discharge runner；Big flow runner and low discharge runner are all operatively connected to rotating shaft, and link position is in spiral case.Make unit can be suitable for the operating scheme of actual flow according to dry season, wet season selection by changing large and small flow runner.Change maintenance rotary wheel of water turbine in traditional vertical unit to hang main shaft or take out the trouble of rotor.
Description
Technical field
The present invention relates to a kind of hydraulic turbine, especially relate to a kind of adaptation flow adjustable runner hydraulic turbine.
Background technology
Power station to carry out discharge different because of the difference in season；Dry season in the winter water yield is few, such as the water in dry season
Flow only has the 50% of single-machine capacity, now uses the unit generation of former runner, the most entitled " a kind of employing minor speed axle construction
Vertical turbine " hydraulic turbine shown in (publication number CN202883221U), the operating mode of rotary wheel of water turbine is in the worst
Duty, turbine efficiency is substantially reduced.In order to be able to make full use of the flow in dry season in prior art, conventional method
Be use large sized unit to join a small-load generators or two large sized unit join a small-load generators, again or
Three large sized unit of person join the configurations such as a small-load generators, to meet the actual water situation in power station.Large sized unit is used
To generate electricity in the season of abundant water, small-load generators generates electricity dry season when.This selection to the unit design of unit,
Factory Building is arranged, maintaining is made troubles with the deposit joining product spare part.
Summary of the invention
Present invention is primarily intended to provide a kind of and adapt to the adjustable runner hydraulic turbine that water flow in dry season reduces.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals: adapt to the adjustable runner of flow
The hydraulic turbine, including being provided with the spiral case of speed regulator, sets rotating mechanism above spiral case, rotating mechanism arranges rotating shaft, depends on below spiral case
Secondary set draft tube straight length and draft tube bend loss, it is characterised in that: described rotating shaft is vertically arranged, and its lower end arranges runner；Runner
Including being applicable to the big flow runner of big flow working environment, being applicable to the low discharge runner of low discharge working environment, big flow
Runner is identical with the lower equal diameter of ring with the crown of low discharge runner, and the stress surface area of the runner bucket of big flow runner is more than little
The stress surface area of the runner bucket of flow runner；Big flow runner and low discharge runner are all operatively connected to rotating shaft, and connect
Connect position to be in spiral case.The vertical unit of the technical program applies large and small flow pinwheel technique, the big flow of selection in the wet season
Runner, selects low discharge runner in dry season；Thus make the unit can be according to dry season, rich by changing large and small flow runner
The water phase selects to be suitable for the operating scheme of actual flow.Must hang it addition, change maintenance rotary wheel of water turbine in traditional vertical unit
Main shaft or take out the trouble of rotor, is greatly saved the cycle changing runner, and also the maintenance repair for rotary wheel of water turbine brings facility.
As preferably, a pair ring flange is set between described draft tube straight length and draft tube bend loss and constitutes flange even
Connect；By Flange joint, connect quickly, and sealing member easy to set up between two flanges, there is preferable sealing reliability.
As preferably, the card that two ring flanges are opposing respectively arranges a cannelure, and arranges in the outside of outer circumference surface
There are bracket and pivoted frame；Bracket is provided with the first connecting hole, and the centrage of the first connecting hole is parallel with ring flange axis；Pivoted frame inserts the
The free end of one connecting hole, bracket and pivoted frame extends to the bending of ring flange center position, and the end of extension is respectively to correspondence
Ring flange card bends in the cannelure extending up to insert corresponding card.Pivoted frame and bracket is utilized to limit the position of cannelure,
Thus by two ring flange circumferential alignment, can aligning two ring flange circumference completely rapidly, efficiency of assembling is greatly improved.
As preferably, the end that bracket and pivoted frame stretch in cannelure arranges steel ball.Steel ball contacts with cannelure, contact
Area is little, reduces frictional resistance when promoting bracket, reduces the difficulty of operation.
As preferably, pivoted frame is provided with the first lockhole and the second lockhole；Bracket is provided with the second connecting hole, in the second connecting hole
Heart line is vertical with ring flange axis, and the centrage of the centrage of the second connecting hole and the first connecting hole intersects；Second connecting hole
In inserted link is set, inserted link includes head and shank, and head inserts the first connecting hole and through the first lockhole or the second lockhole.First
Lockhole and the second lockhole make the free end of bracket and pivoted frame in two kinds of clamp distance, are i.e. in and snap in cannelure or abjection annular
Slot status, can be installed on bracket and pivoted frame ring flange or disassemble from ring flange.Inserted link head inserts the same of the first lockhole
Time through pivoted frame, increase the insertion depth of inserted link, strengthen the intensity of inserted link, the locking of pivoted frame is more firm, inserted link when promoting bracket
Head is susceptible to force deformation or bending.
As preferably, shank is provided with U-shaped hole, the length direction of U-shaped hole and the centerline parallel of the second connecting hole；U-shaped hole
In bearing pin is set, bearing pin arranges bracing frame, bracing frame is fixed on bracket.Make inserted link can pull and push along U-shaped hole, change insert port
Easy to operate, quick；Arranging bearing pin, inserted link just can rotate along bearing pin, makes inserted link form receiving state；And space can be reduced account for
There is rate, it is simple to protection inserted link.
As preferably, bracket arranges two grooves and pressing plate on the sidewall of ring flange outer circumference surface side, each recessed
Arranging a spheroid in groove, part sphere passes pressing plate, and the volume of spheroid exposed portion is less than 1/2nd of spheroid.Groove and
Pressing plate forms the space of accommodating spheroid, makes spheroid to rotate in a groove, will not come off again from groove；Simple and reliable for structure, can
Bear the relatively noticeable effort in carriage turns direction.Spheroid contacts with ring flange outer circumference surface, reduces friction resistance when promoting bracket
Power, makes more convenient operation, and will not damage bracket and ring flange outer peripheral face.
As preferably, the outer peripheral face of two ring flanges being provided with groove, groove extends along disk body circumference and forms closing
Annular groove；Two spheroids are respectively just to a groove.By two spheroids and the cooperation of two grooves, upper by two ring flange circumference
Lower distance is adjusted to unanimously.
Therefore, the vertical unit of the present invention makes unit can select according to dry season, wet season by changing large and small flow runner
Select the operating scheme of applicable actual flow.Change maintenance rotary wheel of water turbine in traditional vertical unit to hang main shaft or take out rotor
Trouble, be greatly saved the cycle changing runner, also bring facility for the maintenance repair of rotary wheel of water turbine.It addition, straight length
Bracket and pivoted frame are set with the ring flange of bend loss, quickly two ring flanges can be aligned, efficiency of assembling is greatly improved.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present invention.
Accompanying drawing 2 is enlarged drawing at the A of accompanying drawing 1.
Accompanying drawing 3 is a kind of structural representation of pivoted frame.
Accompanying drawing 4 is a kind of structural representation of bracket.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment: the present invention adapts to the flow adjustable runner hydraulic turbine, and as shown in Figure 1, it includes being provided with speed regulator
Spiral case 6, sets rotating mechanism 7 above spiral case 6, rotating mechanism 7 arranges rotating shaft 3, sets draft tube straight length 2 He below spiral case 6 successively
Draft tube bend loss 5；Rotating shaft 3 is vertically arranged, and its lower end arranges runner；Runner includes that the big flow being applicable to big flow working environment turns
Take turns, be applicable to the low discharge runner of low discharge working environment, big flow runner and the crown of low discharge runner and the lower equal diameter of ring
Identical, the stress surface area of the runner bucket of big flow runner is more than the stress surface area of the runner bucket of low discharge runner；Greatly
Flow runner and low discharge runner are all operatively connected to rotating shaft 3, and link position is in spiral case 6.
There is on the water inlet pipe of spiral case 6 water intaking valve 1, draft tube straight length 3 sidewall of water intaking valve 1 side arranges draft tube
Inlet port 4.
A pair ring flange 10 is set between draft tube straight length 2 and draft tube bend loss 5 and constitutes Flange joint；Straight length and
Bend loss passes through Flange joint, connects quickly, and sealing member easy to set up between two flanges, has preferable sealing reliability.
As shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, the card that two ring flanges 10 are opposing respectively arranges a cannelure
101, and bracket 33 and pivoted frame 23 it is provided with in the outside of outer circumference surface；Bracket 31 is provided with the first connecting hole 32, the first connecting hole
The centrage of 32 is parallel with ring flange 10 axis；Pivoted frame 23 inserts the first connecting hole 32, the free end of bracket 31 and pivoted frame 23 to
The bending of ring flange 10 center position extends, and the end of two extensions 21,31 extends to corresponding ring flange 10 card bending respectively
Until inserting in the cannelure 101 of corresponding card.Pivoted frame 23 inserts in the first connecting hole 32 on bracket 33, forms the company of rotation
Connect, and be axially movable.During use, a part for two ring flanges 10 is aligned (such as by a hole alignment of two ring flanges, then
Insert in the hole with a pin), pivoted frame 23 and bracket 31 are snapped in the cannelure 101 of correspondence, promote bracket 33 along ring flange
Circumference moves, and utilizes pivoted frame 23 and bracket 33 to limit the position of cannelure 101, thus by two ring flange circumferential alignment, will two
Aligning completely of ring flange circumference, thus be quickly assembled to together.
Bracket 31 and pivoted frame 23 stretch into the end in cannelure 101 and arrange steel ball 22.Steel ball 22 connects with cannelure 101
Touching, contact area is little, reduces frictional resistance when promoting bracket, reduces the difficulty of operation.
As shown in accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, pivoted frame 23 is provided with the first lockhole 24 and the second lockhole 25；Bracket 31 is provided with
Two connecting holes 34, the centrage of the second connecting hole 34 is vertical with ring flange 10 axis, and the centrage of the second connecting hole 34 and
The centrage of one connecting hole 32 intersects；Arranging inserted link in second connecting hole 34, inserted link includes that head 42 and shank 41, head 42 are inserted
Enter the first connecting hole 32 and through the first lockhole 24 or the second lockhole 25.First lockhole 24 and the setting of the second lockhole 25, makes torr
The free end of frame 31 and pivoted frame 23 is in two kinds of clamp distance, such as, when inserted link head 42 inserts the first lockhole 24, and bracket 31
Cannelure 101 is all snapped in the free end of pivoted frame 23；When inserted link head 42 inserts the first lockhole 25, extend bracket 31 and turn
Distance between the free end of frame 23, can deviate from from cannelure 101, now, and can be by bracket 31 and pivoted frame 23 entirety from ring flange
On take off, with recycling.The centrage of the second connecting hole 34 and the centrage of the first connecting hole 32 intersect, and make inserted link head 42
Pass pivoted frame 23 while inserting the first lockhole 24, play the locking action to pivoted frame, and the insertion depth of increase inserted link, strengthen
The intensity of inserted link, it is to avoid inserted link head stress deformation or bending when promoting bracket operation.
Shank 41 is provided with U-shaped hole 43, the length direction of U-shaped hole 43 and the centerline parallel of the second connecting hole 34；U-shaped hole 43
In bearing pin 44 is set, bearing pin 43 arranges bracing frame 45, bracing frame 45 is fixed on bracket 31.Shank 41 is provided with U-shaped hole 43, makes
Inserted link can pull and push along U-shaped hole 43, it is simple between the first lockhole 24 and the second lockhole 25, selection one is as on position, this
Structure, changes the easy to operate, quick of insert port；After arranging bearing pin 44 in U-shaped hole 43, inserted link axle is pulled outwardly, and makes head complete
Abjection bracket, inserted link just can rotate along bearing pin, makes inserted link form receiving state, and stowing operation is convenient；Storage inserted link can reduce sky
Between occupation rate, it is simple to packed and transported, also allow for protect inserted link, be difficult to be damaged by external force.
Bracket 31 arranges two grooves and pressing plate 51, in each groove on the sidewall of ring flange 10 outer circumference surface side
Arranging a spheroid 52, part sphere 52 is through pressing plate 51, and the volume of spheroid exposed portion is less than 1/2nd of spheroid.Bracket
Groove on 31 sidewalls and pressing plate 51, form the space of accommodating spheroid 52, make spheroid 52 to rotate in a groove, wherein spheroid dew
The volume going out part is less than 1/2nd of spheroid, makes spheroid will not come off from groove.Spheroid 51 and ring flange 10 outer circumference surface
Contact, reduce contact area, reduce promote bracket time frictional resistance, improve operation convenience, and will not damage bracket and
Ring flange outer peripheral face, improves the service life of bracket.
Being provided with groove 102 on the outer peripheral face of two ring flanges 10, groove 102 extends along disk body circumference and forms the ring closed
Groove；Two spheroids 52 slip into the groove 102 of two ring flanges respectively；When promoting bracket, two spheroids 51 and two ring flanges
Groove 102 is formed and coordinates, by the distance up and down of two ring flange circumferential location of process be adjusted to unanimously, it is to avoid two ring flanges it
Between gap inappropriate.
Present invention have the advantage that 1, for vertical unit, application size flow pinwheel technique, bring possibility, from
But unit can select to be suitable for the operating scheme of actual flow according to dry season, wet season；2, traditional vertical unit is changed
Middle maintenance rotary wheel of water turbine must hang main shaft or take out the trouble of rotor, is greatly saved the cycle changing runner, also turns for the hydraulic turbine
The maintenance repair of wheel brings facility.
Claims (8)
1. adapting to a flow adjustable runner hydraulic turbine, including being provided with the spiral case (6) of speed regulator, spiral case (6) top sets rotation
Mechanism (7), rotating mechanism (7) arranges rotating shaft (3), and spiral case (6) lower section sets draft tube straight length (2) and draft tube bend loss successively
(5), it is characterised in that: described rotating shaft (3) is vertically arranged, and its lower end arranges runner；Runner includes being applicable to big flow working environment
Big flow runner, be applicable to the low discharge runner of low discharge working environment, the crown of big flow runner and low discharge runner and
The lower equal diameter of ring is identical, and the stress surface area of the runner bucket of big flow runner is more than the stress of the runner bucket of low discharge runner
Face area；Big flow runner and low discharge runner are all operatively connected to rotating shaft (3), and link position is in spiral case (6).
The adaptation flow the most according to claim 1 adjustable runner hydraulic turbine, it is characterised in that: entering of described spiral case (6)
There is on water pipe water intaking valve (1), draft tube straight length (3) sidewall of water intaking valve (1) side arranges draft tube inlet port (4).
The adaptation flow the most according to claim 1 adjustable runner hydraulic turbine, it is characterised in that: described draft tube straight length
(2) a pair ring flange (10) and is set between draft tube bend loss (5) and constitutes Flange joint；The card that two ring flanges (10) are opposing
Upper the most each a cannelure (101) is set, and is provided with bracket (33) and pivoted frame (23) in the outside of outer circumference surface；Bracket (31) sets
Having the first connecting hole (32), the centrage of the first connecting hole (32) is parallel with ring flange (10) axis；Pivoted frame (23) inserts first
Connecting hole (32), the free end of bracket (31) and pivoted frame (23) extends to the bending of ring flange (10) center position, the end of extension
End bends in the cannelure (101) extending up to insert corresponding card to corresponding ring flange (10) card respectively.
The adaptation flow the most according to claim 3 adjustable runner hydraulic turbine, it is characterised in that: described bracket (31) and turn
Frame (23) stretches into the end in cannelure (101) and arranges steel ball (22).
The adaptation flow the most according to claim 3 adjustable runner hydraulic turbine, it is characterised in that: described pivoted frame (23) is provided with
First lockhole (24) and the second lockhole (25)；Bracket (31) is provided with the second connecting hole (34), the centrage of the second connecting hole (34)
Vertical with ring flange (10) axis, and the centrage of the centrage of the second connecting hole (34) and the first connecting hole (32) is crossing；The
Two connecting holes arrange inserted link in (34), and inserted link includes head (42) and shank (41), and head (42) inserts the first connecting hole (32)
And through the first lockhole (24) or the second lockhole (25).
The adaptation flow the most according to claim 5 adjustable runner hydraulic turbine, it is characterised in that: described shank (41) is provided with
U-shaped hole (43), the length direction of U-shaped hole (43) and the centerline parallel of the second connecting hole (34)；U-shaped hole arranges bearing pin in (43)
(44), bearing pin (43) arranging bracing frame (45), bracing frame (45) is fixed on bracket (31).
7. according to the adaptation flow adjustable runner hydraulic turbine described in claim 3 or 4 or 5 or 6, it is characterised in that: described torr
Frame (31) arranges two grooves and pressing plate (51) on the sidewall of ring flange (10) outer circumference surface side, arranges in each groove
One spheroid (52), part sphere (52) passes pressing plate (51), and the volume of spheroid exposed portion is less than 1/2nd of spheroid.
The adaptation flow the most according to claim 7 adjustable runner hydraulic turbine, it is characterised in that: described two ring flanges (10)
Outer peripheral face on be provided with groove (102), groove (102) along disk body circumference extend formed close annular groove；Two spheroids
(52) respectively just to a groove (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610658422.7A CN106286078B (en) | 2016-08-12 | 2016-08-12 | Adapt to the adjustable runner hydraulic turbine of flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610658422.7A CN106286078B (en) | 2016-08-12 | 2016-08-12 | Adapt to the adjustable runner hydraulic turbine of flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286078A true CN106286078A (en) | 2017-01-04 |
| CN106286078B CN106286078B (en) | 2019-03-01 |
Family
ID=57668602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610658422.7A Active CN106286078B (en) | 2016-08-12 | 2016-08-12 | Adapt to the adjustable runner hydraulic turbine of flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286078B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867586A (en) * | 2018-06-15 | 2018-11-23 | 中国水利水电第五工程局有限公司 | A kind of draft tube installation method, draft tube support frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1010717A (en) * | 1963-07-17 | 1965-11-24 | Voith Gmbh J M | Machine set for a pumped-storage power plant |
| JPS6166866A (en) * | 1984-09-10 | 1986-04-05 | Fuji Electric Co Ltd | Draft tube for reaction water turbine |
| JPH0972270A (en) * | 1995-09-06 | 1997-03-18 | Mitsubishi Heavy Ind Ltd | Water turbine or reversible pump turbine |
| CN2610111Y (en) * | 2003-03-10 | 2004-04-07 | 刘思 | Integral mixed flow vertical hydroelectric generating set |
| CN102828883A (en) * | 2011-06-17 | 2012-12-19 | 杭州诚德发电设备有限公司 | Double-wheel water turbine with adjustable turning wheels |
| CN103206335A (en) * | 2013-04-07 | 2013-07-17 | 水利部农村电气化研究所 | Horizontal mixed-flow water turbine generator set |
| CN103498749A (en) * | 2013-09-27 | 2014-01-08 | 河海大学 | Small-sized mixed-flow pump turbine for low water head pumped storage power station |
-
2016
- 2016-08-12 CN CN201610658422.7A patent/CN106286078B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1010717A (en) * | 1963-07-17 | 1965-11-24 | Voith Gmbh J M | Machine set for a pumped-storage power plant |
| JPS6166866A (en) * | 1984-09-10 | 1986-04-05 | Fuji Electric Co Ltd | Draft tube for reaction water turbine |
| JPH0972270A (en) * | 1995-09-06 | 1997-03-18 | Mitsubishi Heavy Ind Ltd | Water turbine or reversible pump turbine |
| CN2610111Y (en) * | 2003-03-10 | 2004-04-07 | 刘思 | Integral mixed flow vertical hydroelectric generating set |
| CN102828883A (en) * | 2011-06-17 | 2012-12-19 | 杭州诚德发电设备有限公司 | Double-wheel water turbine with adjustable turning wheels |
| CN103206335A (en) * | 2013-04-07 | 2013-07-17 | 水利部农村电气化研究所 | Horizontal mixed-flow water turbine generator set |
| CN103498749A (en) * | 2013-09-27 | 2014-01-08 | 河海大学 | Small-sized mixed-flow pump turbine for low water head pumped storage power station |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867586A (en) * | 2018-06-15 | 2018-11-23 | 中国水利水电第五工程局有限公司 | A kind of draft tube installation method, draft tube support frame |
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| Publication number | Publication date |
|---|---|
| CN106286078B (en) | 2019-03-01 |
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