CN209115244U - The same layer polygamy water pipe structure and multilayer polygamy water pipe structure of the hydraulic turbine - Google Patents
The same layer polygamy water pipe structure and multilayer polygamy water pipe structure of the hydraulic turbine Download PDFInfo
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- CN209115244U CN209115244U CN201821679194.2U CN201821679194U CN209115244U CN 209115244 U CN209115244 U CN 209115244U CN 201821679194 U CN201821679194 U CN 201821679194U CN 209115244 U CN209115244 U CN 209115244U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a kind of same layer polygamy water pipe structures of hydraulic turbine, are equipped with water inlet pipe, and water inlet pipe downstream is equipped with valve, valve downstream end is equipped with sparge pipe, sparge pipe downstream is equipped with nozzle, and sparge pipe is at least 2 sets, and the upstream-end opening of each sparge pipe is connected from different valves；The aperture position of each nozzle is located at the same horizontal position, is highly adapted to the height of the runner of the hydraulic turbine.The beneficial effects of the utility model are: same layer polygamy water pipe structure can be substantially reduced the size of the key parts such as sparge pipe and ball valve, single-machine capacity is helped to improve；Multilayer polygamy water pipe structure can on-demand water conditions in soil layers, while providing water flow for the runner of different height；It can be substantially reduced sparge pipe and ball valve, the size of the key parts such as runner helps to improve single-machine capacity；And generating unit speed can be improved, reduce generator cost；Multilayer polygamy water pipe can reduce bearing radial force when operation because providing more nozzle quantities.
Description
Technical field
The utility model relates to hydraulic turbine power station field, the same layer polygamy water pipe structure of specifically a kind of hydraulic turbine, and
The multilayer polygamy water pipe structure further developed on this basis.
Background technique
Chinese patent literature CN105971800A was disclosed " a kind of hydraulic turbine " on September 28th, 2016, including casing, turn
Disk, motor shaft and bucket, the turntable are located in casing, and the motor shaft is mounted in the middle part of turntable, and the bucket is located at turntable
Outside, the bucket and turntable weld, and reinforcing rib is provided on the outside of the bucket, and the reinforcing rib is set with bucket integrated molding
It sets, the casing side is provided with water inlet pipe, and the water inlet pipe is equipped with two, and the water inlet pipe front end is provided with valve, described
Water inlet pipe end is provided with nozzle, and the nozzle is detachably connected with water inlet pipe, and filter screen, the machine are provided in the nozzle
Shell bottom is provided with discharge outlet.The applicant declares that the hydraulic turbine structure is compact, and stability is high, is easy maintenance, service life
It is long.In terms of disclosure of the documents, the program is suitable for horizontal small unit, and the single-machine capacity upper limit is usually no more than 40,000,000
Watt, the size of the key components and parts of unit is simultaneously little, and production and processing and storage and transportation are all very convenient.For large-scale or super-huge vertical
For unit, single-machine capacity is at least more than hundred MW class, if continuing to continue to use such scheme, the size of key components
It will become very huge, either manufacture or transport, difficulty is all very big, and equipment cost is caused exponential type increasing occur
It is long.In order to preferably utilize water energy, scale and benefit are realized, it is desirable that the single-machine capacity of super-huge unit is further promoted.And it is limited
In part dimension, nearby occurs increasing bottleneck at present at 200 megawatts, be difficult to continue up breakthrough.Meanwhile large-sized unit needs
Large-scale civil engineering is carried out, builds the workshop of large space, therefore capital construction cost also rises violently therewith.In this way, unit at
This benefit ratio can not be effectively reduced, and investment can also drag for a long time return period, be unfavorable for the reasonable utilization of hydroelectric resources, be unfavorable for
The fast development of hydropower.
Utility model content
Based on problem above, the utility model provides a kind of water wheels applied on large-scale super-huge vertical turbine unit
The same layer polygamy water pipe structure of machine may be implemented the part miniaturization of water inlet pipe structure, help to improve single-machine capacity；And herein
On the basis of provide a kind of multilayer polygamy water pipe structure of hydraulic turbine, can on-demand water conditions in soil layers, while for different height turn
Wheel provides water flow.
In order to realize goal of the invention one, the utility model adopts the following technical solution: a kind of same layer polygamy water of the hydraulic turbine
Pipe structure is equipped with water inlet pipe, and water inlet pipe downstream is equipped with valve, and valve downstream end is equipped with sparge pipe, and sparge pipe downstream is equipped with
Nozzle, sparge pipe are at least 2 sets, and the upstream-end opening of each sparge pipe is connected from different valves；The aperture position position of each nozzle
In the same horizontal position, highly it is adapted to the height of the runner of the hydraulic turbine.
The same layer polygamy water pipe structure of the hydraulic turbine of this programme design, including at least 2 sets of sparge pipes, the upstream of sparge pipe are opened
Mouthful end is independent connect with valve, and control is turned on and off.The downstream design of each sparge pipe has nozzle, each to cover the more of sparge pipe
A nozzle opening is respectively positioned on sustained height, this is highly adapted to the runner height of the hydraulic turbine, makes a runner simultaneously by multiple
Nozzle spray water flow impact and rotate, so that the sparge pipe of a traditional big orifice is replaced by several small latus rectums
Sparge pipe.Such polygamy water pipe design, not only can reduce the size of sparge pipe, convenient for manufacture and transport, moreover it is possible to reduce edge
Journey hydraulic loss reduces waste, improves energy conversion efficiency.
Preferably, conducting has several range pipes on sparge pipe, nozzle is set to the downstream of range pipe；Each nozzle
Angles arrangement is being waited where runner on the circumference of circle；The emission direction of nozzle is the tangential direction of runner pitch circle.This programme is being matched
Several range pipes are devised on water pipe side by side, and nozzle is installed in the downstream of each range pipe, it can be purposive by sparge pipe
In water specific position be fixed on by range pipe sprayed, it is maximum to obtain optimal eject position and spray angle
Potential energy is the kinetic energy of runner by degree.The setting of polygamy water pipe, so that the total quantity of nozzle increases, it can be more flexible
Part nozzle is switched, makes runner under different power station flows, is worked as far as possible in high efficient area, realizes energy conversion
High efficiency, and can also optimize the distribution of Factory Concrete given tensile load, reasonable space layout is also easy to installation maintenance.At this
The scheme provided in design is that each nozzle is waiting angles arrangement on the circumference of pitch circle where runner, makes runner in each of circumference
The uniform shock of water flow can be obtained on angular position, water-flow equation is more evenly on runner.
Preferably, sparge pipe upstream end caliber is greater than downstream caliber.The program passes through the outlet to downstream nozzle
Streaming potential is all switched to momentum, promotes effluxvelocity by waterpower constraint, to obtain to the stronger impact force of runner.
Preferably, the opening value of nozzle is adjustable.The opening of nozzle is worth adjustable section, can cooperate shape with head size
At different water flows and impact force, to meet different requirements.Such as in dry season, in order to guarantee that the industrial or agricultural of upstream is used
Water can close portion nozzle, and reduce the operation of nozzle opening value；In the wet season, operation nozzle quantity can be increased, adjust spray
Mouth openings of sizes is to optimal generating efficiency state, to obtain electric power resource abundant；In flood season, operation nozzle number can be increased
Amount, is adjusted to maximum for nozzle opening value, can also more drain other than power generation, to cooperate Dam flood discharge.
Preferably, the valve is ball valve.The advantages of ball valve, is stress levels height, and overcurrent hydraulic loss is small.
In order to realize goal of the invention two, the utility model adopts the following technical solution: a kind of multilayer polygamy water of the hydraulic turbine
Pipe structure is equipped with water inlet pipe, and water inlet pipe downstream is equipped with valve, and valve downstream end is equipped with sparge pipe, and sparge pipe downstream is equipped with
Nozzle, sparge pipe are at least 2 sets of upper and lower level arrangement, and the upstream end of each sparge pipe is connected from different valves；Every suit water distribution
The aperture position of nozzle on pipe is located at the same horizontal position, is highly adapted to the height of one of runner of the hydraulic turbine.
The multilayer polygamy water pipe structure of the hydraulic turbine of this programme design, including at least 2 sets of sparge pipes, the upstream of sparge pipe are opened
Mouth end is connect with valve, is turned on and off by valve control.Sparge pipe is turned on and off by valve control.Each sparge pipe exists
It is arranged successively in height, height and position pair of the height of the nozzle of every set sparge pipe downstream all with a runner of the hydraulic turbine
It answers, makes each runner being arranged successively in short transverse that can obtain the mating of at least one sparge pipe, each runner can be from
Corresponding sparge pipe is supplied water.Compared with traditional scheme, the design can make full use of head, realize sufficiently turning for potential energy
Change, optimizes the operational efficiency section of unit.Progress of both can bringing in this way, first is that the increase for unit efficiency provides
Condition, convenient for manufacture and transport, also provides condition second is that reducing the size of water inlet pipe for the miniaturization of workshop building.
Preferably, conducting has several range pipes on sparge pipe, nozzle is set to the downstream of range pipe；Each nozzle
In equal angles arrangement on the circumference of pitch circle where runner；The emission direction of nozzle is the tangential direction of pitch circle where runner.We
Case devises several range pipes side by side on sparge pipe, and nozzle is installed in the downstream of each range pipe, purposive can incite somebody to action
Water in sparge pipe is fixed on specific position by range pipe and is sprayed, to obtain optimal eject position and jet angle
Potential energy is the kinetic energy of runner, realizes the high efficiency of energy conversion by degree to the greatest extent.The scheme provided in the design
It is each nozzle in equal angles arrangement on the circumference of pitch circle where runner, obtains runner can on each angular position of circumference
To the uniform shock of water flow, the water flow of runner is just more evenly.
Preferably, sparge pipe upstream end caliber is greater than downstream caliber.The program passes through to range pipe downstream nozzle
Optimal the Hydraulic Design streaming potential is all converted into water flowing value, to improve the jet velocity of water flow, with obtain to runner
Stronger impact force.
Preferably, the opening value of nozzle is adjustable.The opening of nozzle is worth adjustable section, can cooperate shape with head size
At different water flows and impact force, to meet different requirements.Such as in dry season, in order to guarantee that the industrial or agricultural of upstream is used
Water can close portion nozzle, and reduce the operation of nozzle opening value；In the wet season, operation nozzle quantity can be increased, adjust spray
Mouth openings of sizes is to optimal generating efficiency state, to obtain electric power resource abundant；In flood season, operation nozzle number can be increased
Amount, is adjusted to maximum for nozzle opening value, can also more drain other than power generation, to cooperate Dam flood discharge.
Preferably, the valve is ball valve.The advantages of ball valve, is stress levels height, and overcurrent hydraulic loss is small.
In conclusion the beneficial effects of the utility model are: same layer polygamy water pipe structure can be substantially reduced sparge pipe and
The size of the key parts such as ball valve, helps to improve single-machine capacity；Multilayer polygamy water pipe structure can on-demand water conditions in soil layers, simultaneously
Water flow is provided for the runner of different height；It can be substantially reduced sparge pipe and ball valve, the size of the key parts such as runner facilitates
Improve single-machine capacity；And generating unit speed can be improved, reduce generator cost；Multilayer polygamy water pipe is because provide more nozzles
Quantity can reduce bearing radial force when operation；More multiinjector provides wider flow regulating power, remains operational unit
In high efficient area, higher comprehensive benefit is obtained.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of the same layer polygamy water pipe structure of the utility model.
Fig. 2 is the overlooking structure diagram of the multilayer polygamy water pipe structure of the utility model.
Fig. 3 is the status diagram that two layers of sparge pipe is arranged above and below.
Wherein: 51 water inlet pipes, 52 valves, 53 nozzles, 54 sparge pipes, 55 range pipes.
Specific embodiment；
The utility model is further described with specific embodiment with reference to the accompanying drawing.
Embodiment 1
Embodiment 1 as shown in Figure 1, is a kind of water inlet pipe structure of hydraulic turbine, which is equipped with arranged side by side two in left and right
Water inlet pipe 51.The upstream open end of water inlet pipe can be independently connected to dam water body, and also combinable rear two open ends connect after merging
To dam water body.The downstream of water inlet pipe is equipped with valve 52, and this example is ball valve, the downstream connection sparge pipe 54 of ball valve, can be with
The opening and closing of each sparge pipe of independent control.Conducting has several range pipes 55 on sparge pipe, and this example is 6.Nozzle 53 is set to water distribution
The downstream of branch pipe, all nozzles are respectively positioned on sustained height, a runner of the corresponding hydraulic turbine.Each nozzle is where runner
Equal angles arrangement, the central angle of adjacent two nozzle are 60 ° on the circumference of pitch circle.The emission direction of nozzle is the tangent line of runner pitch circle
Direction forms the best impact effect to runner.Sparge pipe upstream end caliber is greater than downstream caliber, to keep flowing in sparge pipe
Speed is stablized, and nozzle improves free jet speed by Hydraulic Optimizing Design, to obtain to the stronger impact force of runner, realizes
The complete conversion of streaming potential and kinetic energy.The opening value of nozzle is adjustable, and different water flows can be cooperatively formed from head size
And impact force, to meet different requirements.
The same layer polygamy water pipe structure of the hydraulic turbine of this example is simultaneously guided water flow to a height with two water inlet pipes,
It supplies water simultaneously for a runner, water flow is directed to around 6 positions of runner with 6 range pipes, it is best with nozzle setting
Water spray effect, so as to substantially reduce the bore of sparge pipe, make part convenient for manufacture and transport, moreover it is possible to make full use of water
Potential energy reduces waste, improves energy conversion efficiency.
Embodiment 2
Embodiment 2 as shown in Figure 2 and Figure 3, is a kind of multilayer polygamy water pipe structure of hydraulic turbine, which is equipped with up and down
Two water inlet pipes 51.The upstream open end of water inlet pipe can be independently connected to dam water body, it is also combinable after after two open ends merge
It is connected to dam water body.The downstream of water inlet pipe is equipped with valve 52, and this example is ball valve, the downstream connection sparge pipe 54 of ball valve,
It can be with the opening and closing of each sparge pipe of independent control.
The height of every suit sparge pipe is adapted to the height of a runner of the hydraulic turbine, to meet the water supply need to the runner
It asks.Conducting has several range pipes 55 on each sparge pipe, and this example is that same layer is arranged 6, and two sparge pipes are equipped with 2 layers totally 12
Range pipe may respectively be upper layer and lower layer runner and provide water impact.Nozzle 53 is set to the downstream of range pipe, all sprays
Mouth is respectively positioned on sustained height, a runner of the corresponding hydraulic turbine.Each nozzle is waiting angles row on the circumference of pitch circle where runner
Column, the central angle of adjacent two nozzle are 60 °.The emission direction of nozzle is the tangential direction of runner pitch circle, is formed to runner most
Good impact effect.Sparge pipe upstream end caliber is greater than downstream caliber, and to keep flow speed stability in sparge pipe, nozzle passes through waterpower
Optimization design improves free jet speed, to obtain to the stronger impact force of runner, realizes the complete of streaming potential and kinetic energy
Conversion.The opening value of nozzle is adjustable, and different water flows and impact force can be cooperatively formed from head size, different to meet
It is required that.
The multilayer polygamy water pipe structure of the hydraulic turbine of this example is supplied water to two runners respectively with two sets of sparge pipes, and every set is matched
Water pipe surround position with each 6 that water flow is directed to two layers of runner by 6 range pipes, the optimal water spray effect of nozzle is arranged
Fruit realizes optimal energy conversion effect so as to maximized utilized head, while can minimize for workshop and provide item
Part.
Claims (10)
1. a kind of same layer polygamy water pipe structure of hydraulic turbine is equipped with water inlet pipe (51), water inlet pipe downstream is equipped with valve (52), valve
Passage downstream end is equipped with sparge pipe (54), and sparge pipe downstream is equipped with nozzle (53), characterized in that sparge pipe is at least 2 sets, respectively matches
The upstream-end opening of water pipe is connected from different valves；The aperture position of each nozzle is located at the same horizontal position, height and water wheels
The height of the runner of machine is adapted to.
2. a kind of same layer polygamy water pipe structure of hydraulic turbine according to claim 1, characterized in that there is conducting on sparge pipe
Several range pipes (55), nozzle are set to the downstream of range pipe；Each nozzle is waiting angles on the circumference of circle where runner
Arrangement；The emission direction of nozzle is the tangential direction of runner pitch circle.
3. a kind of same layer polygamy water pipe structure of hydraulic turbine according to claim 2, characterized in that sparge pipe upstream end pipe
Diameter is greater than downstream caliber.
4. a kind of same layer polygamy water pipe structure of hydraulic turbine according to claim 1 or 2 or 3, characterized in that nozzle is opened
Mouth value is adjustable.
5. a kind of same layer polygamy water pipe structure of hydraulic turbine according to claim 1 or 2 or 3, characterized in that the valve
For ball valve.
6. a kind of multilayer polygamy water pipe structure of hydraulic turbine is equipped with water inlet pipe (51), water inlet pipe downstream is equipped with valve (52), valve
Passage downstream end is equipped with sparge pipe (54), and sparge pipe downstream is equipped with nozzle (53), characterized in that sparge pipe is at least upper and lower level row
2 sets of column, the upstream end of each sparge pipe is connected from different valves；The aperture position of nozzle on every suit sparge pipe is located at same
One horizontal position is highly adapted to the height of one of runner of the hydraulic turbine.
7. a kind of multilayer polygamy water pipe structure of hydraulic turbine according to claim 6, characterized in that there is conducting on sparge pipe
Several range pipes (55), nozzle are set to the downstream of range pipe；Each nozzle is waiting angles on the circumference of circle where runner
Arrangement；The emission direction of nozzle is the tangential direction of runner pitch circle.
8. a kind of multilayer polygamy water pipe structure of hydraulic turbine according to claim 7, characterized in that sparge pipe upstream end pipe
Diameter is greater than downstream caliber.
9. a kind of multilayer polygamy water pipe structure of the hydraulic turbine described according to claim 6 or 7 or 8, characterized in that nozzle is opened
Mouth value is adjustable.
10. a kind of multilayer polygamy water pipe structure of the hydraulic turbine described according to claim 6 or 7 or 8, characterized in that the valve
Door is ball valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821679194.2U CN209115244U (en) | 2018-10-16 | 2018-10-16 | The same layer polygamy water pipe structure and multilayer polygamy water pipe structure of the hydraulic turbine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821679194.2U CN209115244U (en) | 2018-10-16 | 2018-10-16 | The same layer polygamy water pipe structure and multilayer polygamy water pipe structure of the hydraulic turbine |
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| CN209115244U true CN209115244U (en) | 2019-07-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922764A (en) * | 2021-04-13 | 2021-06-08 | 哈尔滨电机厂有限责任公司 | High-jet-flow-diameter-ratio impulse water turbine and determination method |
| WO2023160689A1 (en) * | 2022-02-28 | 2023-08-31 | 东方电气集团东方电机有限公司 | Water distribution annular pipe |
-
2018
- 2018-10-16 CN CN201821679194.2U patent/CN209115244U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922764A (en) * | 2021-04-13 | 2021-06-08 | 哈尔滨电机厂有限责任公司 | High-jet-flow-diameter-ratio impulse water turbine and determination method |
| WO2023160689A1 (en) * | 2022-02-28 | 2023-08-31 | 东方电气集团东方电机有限公司 | Water distribution annular pipe |
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