CN108119281A - A kind of new twin-jet nozzle inclined-jet turbine - Google Patents
A kind of new twin-jet nozzle inclined-jet turbine Download PDFInfo
- Publication number
- CN108119281A CN108119281A CN201611074477.XA CN201611074477A CN108119281A CN 108119281 A CN108119281 A CN 108119281A CN 201611074477 A CN201611074477 A CN 201611074477A CN 108119281 A CN108119281 A CN 108119281A
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- CN
- China
- Prior art keywords
- runner
- casing
- jet
- nozzle
- water inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- 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
-
- 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
- F03B1/04—Nozzles; Nozzle-carrying members
-
- 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
Including casing and the runner and motor that are arranged in casing, runner envelope is equipped in casing for a kind of new twin-jet nozzle inclined-jet turbine of the present invention；Runner is arranged in the runner envelope in casing, the motor is arranged on the one side of runner and is connected with runner, one side outside the casing is connected with water inlet tube interface, the opposite side outside casing is communicated with draft tube, the draft tube is communicated with the runner envelope in casing, and the runner water outlet is communicated with draft tube；The one side of the runner is connected with base bearing, the other end connection motor of the base bearing；The water inlet tube interface is connected with multiple aqueducts, and the multiple aqueduct is connected with multiple nozzles, and the water outlet end alignment runner water inlet of the multiple nozzle is simultaneously at an acute angle with runner water inlet planar shaped；Control ring is provided on the top of the casing.The present invention adds number of nozzle in structure, improves the output and specific speed of inclined-jet turbine；Output and efficiency can be improved, and can safe and stable operation in structure.
Description
Technical field
The invention belongs to fluid machines technical fields, particularly relate to a kind of new twin-jet nozzle tilt-impulse type water wheels
Machine.
Background technology
Impulse turbine has the characteristics that average efficiency is high, high efficient district is broader, suitable for the water that load luffing is larger
Power station is developed；This style of hydraulic turbine structure is simple, installs and uses easy to maintain, and current are straight into runner from leaving nozzle
It to the whole work process for leaving runner, is carried out in open air, forms free jet, and synchronization often has
Multiple bucket leaves are receiving this jet stream.Impulse turbine includes Pelton wheel, inclined-jet turbine and double click type water wheels
Machine etc., the bucket of these hydraulic turbines in the process of running, often due to unreasonable and the Hydraulic Design the not section of structure design
Learn etc., it will be cracked in bucket root of blade, and then be broken, generate the major accident for flying bucket.
Existing tradition inclined-jet turbine structure includes casing, cover, nozzle, runner and motor in casing, nozzle
Mostly single nozzle；The inflow-rate of water turbine of the inclined-jet turbine of single nozzle is usually smaller, and unit power output is small, inevitable during for generating electricity
Increase unit number of units, can equally increase the construction cost in power station；And synchronization often has 3~4 bucket leaves receiving together
The jet stream that one nozzle flow differs in size so that the leaf that struggles against streams situation complexity, the unbalance stress of single bucket blade root, so as to draw
Play the vibration of entire unit.
Traditional inclined-jet turbine is mostly casting, and structure is very limited with size, makes its drainage not smooth, easily
Hit engine base, cover forms diffusing reflection；Hydraulic turbine main body is divided into engine base, cover two parts, makes its dismounting, maintenance extremely inconvenient.
The content of the invention
The present invention addresses the above problem, makes up the deficiencies in the prior art, provides a kind of new twin-jet nozzle tilt-impulse type water
Turbine；The present invention adds number of nozzle in structure, improves the output and specific speed of inclined-jet turbine；It can improve and contribute
And efficiency, and can safe and stable operation in structure.
To achieve the above object, the present invention adopts the following technical scheme that.
A kind of new twin-jet nozzle inclined-jet turbine of the present invention, including casing and the runner and motor that are arranged in casing,
Runner envelope is equipped in the casing；It is characterized in that：The runner is arranged in the runner envelope in casing, and the motor is arranged on
The one side of runner is simultaneously connected with runner, and the one side outside the casing is connected with water inlet tube interface, the opposite side outside casing is communicated with
Draft tube, the draft tube are communicated with the runner envelope in casing, and the runner water outlet is communicated with draft tube；The one of the runner
Side is connected with base bearing, the other end connection motor of the base bearing；The water inlet tube interface is connected with multiple aqueducts, institute
The multiple aqueducts stated are connected with multiple nozzles, and the water outlet end alignment runner water inlet of the multiple nozzle is simultaneously intake with runner
Mouth planar shaped is at an acute angle；Control ring is provided on the top of the casing.
As a preferred embodiment of the present invention, the water inlet tube interface is connected with 2~6 aqueducts.
As another preferred embodiment of the present invention, described 2~6 aqueducts are connected with 2~6 nozzles.
As another preferred embodiment of the present invention, each nozzle and the angle of runner water inlet plane are 19 °
~21 °, be preferably 21 °.
As another preferred embodiment of the present invention, jet deflector is mounted on the water outlet of each nozzle.
As another preferred embodiment of the present invention, the placement angle of the runner water outlet is 15 °~17 °.
In addition, the present invention is reduces influence of the spray dispersion of nozzle water outlet to unit efficiency, nozzle water outlet is staying
After going out enough space installation jet deflectors, it is necessary to make working face of the nozzle close proximity to runner bucket, so as to improve jet stream efficiency.
Compared with prior art, present invention has the advantages that.
A kind of new twin-jet nozzle inclined-jet turbine disclosed in this invention, compared with existing inclined-jet turbine：
Number of nozzle is added in structure, the number of nozzle is arranged to 2~6, so improves the output of inclined-jet turbine
With specific speed；Single-machine capacity, increase unit output can be improved, improve rotary wheel of water turbine efficiency, effectively solve multiinjector water wheels
The inclined-jet turbine of machine jet interference problem.
Description of the drawings
In order to which technical problem solved by the invention, technical solution and advantageous effect is more clearly understood, below in conjunction with
The drawings and the specific embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment party described herein
Formula is only used to explain the present invention, is not intended to limit the present invention.
Fig. 1 is a kind of overall structure diagram of new twin-jet nozzle inclined-jet turbine of the present invention.
Fig. 2 is a kind of side structure schematic view of new twin-jet nozzle inclined-jet turbine casing internal of the present invention.
It is marked in figure：1 it is water inlet tube interface, 2 be aqueduct, 3 be motor, 4 be nozzle, 5 be runner, 6 be casing, 7 is
Control ring, 8 be runner envelope, 9 be draft tube, 10 be base bearing.
Specific embodiment
With reference to shown in attached Fig. 1 and 2, a kind of new twin-jet nozzle inclined-jet turbine of the present invention including casing 6 and is arranged on
Runner 5 and motor 3 in casing 6, the casing 6 is interior to be equipped with runner envelope 8；It is characterized in that：The runner 5 is arranged on casing 6
In interior runner envelope 8, the motor 3 is arranged on the one side of runner 5 and is connected with runner 5, and the one side outside the casing 6 is connected with
Opposite side outside water inlet tube interface 1, casing 6 is communicated with draft tube 9, and the draft tube 9 is communicated with the runner envelope 8 in casing 6, institute
5 water outlet of runner is stated to communicate with draft tube 9；The one side of the runner 5 is connected with base bearing 10, the other end of the base bearing 10
Connect motor 3；The water inlet tube interface 1 is connected with multiple aqueducts 2, and multiple aqueducts 2 are connected with multiple nozzles
4, water outlet end alignment 5 water inlet of runner of the multiple nozzle 4 is simultaneously at an acute angle with 5 water inlet planar shaped of runner；The casing 6
Top on be provided with control ring 7.
As a preferred embodiment of the present invention, the water inlet tube interface 1 is connected with 2~6 aqueducts 2.
As another preferred embodiment of the present invention, described 2~6 aqueducts 2 are connected with 2~6 nozzles 4.
As another preferred embodiment of the present invention, each nozzle 4 and the angle of 5 water inlet plane of runner are
19 °~21 °, be preferably 21 °.
As another preferred embodiment of the present invention, jet deflector is mounted on the water outlet of each nozzle 4.
As another preferred embodiment of the present invention, the placement angle of 5 water outlet of runner is 15 °~17 °.
In addition, the present invention is reduces influence of the spray dispersion of 4 water outlet of nozzle to unit efficiency, 4 water outlet of nozzle exists
After reserving enough space installation jet deflectors, it is necessary to make working face of the nozzle 4 close proximity to 5 bucket of runner, so as to improve jet stream
Efficiency.
The pressure energy of current is become speed energy by nozzle 4 of the present invention, i.e., the potential energy of current is become the high speed that nozzle 4 exports
Spend kinetic energy；Current are from nozzle 4 is left, and are not in a closing system into runner 5 until leaving the whole work process of runner 5
It in system, but is carried out in the casing 6 full of air, forms free jet；And synchronization often has 3~4 runners 5 to struggle against
This free jet that leaf is not waited in same 4 uninterrupted of nozzle of receiving.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this
The described technical solution of inventive embodiments, it will be understood by those of ordinary skill in the art that, still the present invention can be carried out
Modification or equivalent substitution, to reach identical technique effect；As long as meeting using needs, all protection scope of the present invention it
It is interior.
Claims (6)
1. a kind of new twin-jet nozzle inclined-jet turbine, including casing（6）And it is arranged on casing（6）Interior runner（5）With motor
（3）, the casing（6）It is interior to be equipped with runner envelope（8）；It is characterized in that：The runner（5）It is arranged on casing（6）Interior runner envelope
（8）It is interior, the motor（3）It is arranged on runner（5）One side and and runner（5）It is connected, the casing（6）Outer one side is connected with
Water inlet tube interface（1）, casing（6）Outer opposite side is communicated with draft tube（9）, the draft tube（9）With casing（6）Interior runner
Room（8）It communicates, the runner（5）Water outlet and draft tube（9）It communicates；The runner（5）One side be connected with base bearing（10）,
The base bearing（10）The other end connection motor（3）；The water inlet tube interface（1）It is connected with multiple aqueducts（2）, it is described
Multiple aqueducts（2）It is connected with multiple nozzles（4）, the multiple nozzle（4）Water outlet end alignment runner（5）Water inlet is simultaneously
With runner（5）Water inlet planar shaped is at an acute angle；The casing（6）Top on be provided with control ring（7）.
2. a kind of new twin-jet nozzle inclined-jet turbine according to claim 1, it is characterised in that：The water inlet pipe connects
Mouthful（1）It is connected with 2~6 aqueducts（2）.
3. a kind of new twin-jet nozzle inclined-jet turbine according to claim 2, it is characterised in that：Described 2~6 draw
Water pipe（2）It is connected with 2~6 nozzles（4）.
4. a kind of new twin-jet nozzle inclined-jet turbine according to claim 1, it is characterised in that：Each nozzle
（4）With runner（5）The angle of water inlet plane is 19 °~21 °.
5. a kind of new twin-jet nozzle inclined-jet turbine according to claim 1, it is characterised in that：Each nozzle
（4）Water outlet on be mounted on jet deflector.
6. a kind of new twin-jet nozzle inclined-jet turbine according to claim 1, it is characterised in that：The runner（5）Go out
The placement angle at the mouth of a river is 15 °~17 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611074477.XA CN108119281A (en) | 2016-11-29 | 2016-11-29 | A kind of new twin-jet nozzle inclined-jet turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611074477.XA CN108119281A (en) | 2016-11-29 | 2016-11-29 | A kind of new twin-jet nozzle inclined-jet turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108119281A true CN108119281A (en) | 2018-06-05 |
Family
ID=62226717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611074477.XA Pending CN108119281A (en) | 2016-11-29 | 2016-11-29 | A kind of new twin-jet nozzle inclined-jet turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108119281A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285004A (en) * | 2019-07-27 | 2019-09-27 | 四川力源水电设备制造有限公司 | It is middle-size and small-size tiltedly to hit the vertical self-contained twin-jet nozzle hydraulic turbine |
| WO2023183996A1 (en) * | 2022-03-29 | 2023-10-05 | Aquino Gallo Marcelo De Araujo | Cross-flow hydraulic turbine with dual hydraulic flow inlet |
-
2016
- 2016-11-29 CN CN201611074477.XA patent/CN108119281A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285004A (en) * | 2019-07-27 | 2019-09-27 | 四川力源水电设备制造有限公司 | It is middle-size and small-size tiltedly to hit the vertical self-contained twin-jet nozzle hydraulic turbine |
| WO2023183996A1 (en) * | 2022-03-29 | 2023-10-05 | Aquino Gallo Marcelo De Araujo | Cross-flow hydraulic turbine with dual hydraulic flow inlet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180605 |