CN107420248A - A kind of Bulb Turbine Units turbine chamber - Google Patents
A kind of Bulb Turbine Units turbine chamber Download PDFInfo
- Publication number
- CN107420248A CN107420248A CN201710417654.8A CN201710417654A CN107420248A CN 107420248 A CN107420248 A CN 107420248A CN 201710417654 A CN201710417654 A CN 201710417654A CN 107420248 A CN107420248 A CN 107420248A
- Authority
- CN
- China
- Prior art keywords
- chamber
- turbine
- engineer room
- lobed
- cylindrical body
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 241000233855 Orchidaceae Species 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010977 unit operation Methods 0.000 abstract description 6
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention belongs to hydraulic technical field, and in particular to a kind of Bulb Turbine Units turbine chamber.The runner envelope includes cylindrical body, the cylindrical body is bisected into upper point lobed chamber and the lower point of lobed chamber of half tubular up and down, lobed chamber is divided to be connected with lower point of lobed chamber by flange on described, lobed chamber is divided to be bisected into left split engineer room and right split engineer room vertically on described, the left split engineer room is connected with right split engineer room by flange.The runner envelope reduces the vibration of unit operation operating mode, improves the rigidity of structure, thus its structural reliability is high, reduces crackle and seepy question, unit safety stable operation can be effectively ensured；And without specially setting waling, so as to reduce material usage, to improve stock utilization to improve the rigidity of structure；It is not only easy for installation, flexible, and the adjustment that becomes more meticulous to runner envelope gap can be realized during installation.
Description
Technical field
The invention belongs to hydraulic technical field, and in particular to a kind of Bulb Turbine Units turbine chamber.
Background technology
Head is low, quoting flow, big, efficiency high turns into exploitation low water head hydroelectric resources because it is applicable for Bulb Turbine Units
Main type, Bulb Turbine Units runner envelope is crucial flow passage components.At present, runner envelope is structure symmetrical above and below, is existed
Subject matter be that unit operation operating mode vibration amplitude is big, runner envelope is because of crackle, seepy question generally existing caused by vibration.By
Big (a few hectostere flows each second) in inflow-rate of water turbine in runner envelope, runner envelope once goes wrong, and easily triggers water logging factory building
Major accident.Therefore, it is necessary to design the adjustment that becomes more meticulous, unit operation work that a kind of rigidity of structure is big, is easy to runner envelope gap
Condition novel light bulb bulb-type tubular hydro set turbine chamber with small vibration.
The content of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is, the defects of for current runner envelope, there is provided a kind of rigidity of structure is big and machine
Group operating condition Bulb Turbine Units turbine chamber with small vibration, so that unit safety stable operation is effectively ensured.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of Bulb Turbine Units turbine chamber, it is wrapped
Include cylindrical body, the cylindrical body is bisected into upper point lobed chamber and the lower point of lobed chamber of half tubular up and down, it is described on divide lobed chamber and
Under divide lobed chamber to be connected by flange, it is described on divide lobed chamber to be bisected into left split engineer room and right split engineer room vertically, it is described
Left split engineer room is connected with right split engineer room by flange.
Further, the left split engineer room, right split engineer room and under divide the outer wall of lobed chamber along arc to provided with reinforcement
Ring.
Further, the cross section of the reinforcing ring is T-shaped.
Further, the left split engineer room and right split engineer room are provided with first flange face in the junction of the two.
Further, lobed chamber and lower point of lobed chamber is divided to be provided with second flange face in the junction of the two on described.
Further, the cylindrical body is multiple that multiple cylindrical bodies are axially docked successively.
Further, connected between the adjacent cylindrical body by flange.
Further, the adjacent cylindrical body is provided with the 3rd flange face in its junction.
Further, the cylindrical body positioned at downstream is circumferentially provided with rigid body ring in its water outlet.The downstream
Cylindrical body refers to the cylindrical body where water export.
(3) beneficial effect
The above-mentioned technical proposal of the present invention has the advantages that：
1st, Bulb Turbine Units turbine chamber of the invention, when in use in horizontal type, in machine inside runner envelope
Be full of water under group operating condition, under divide lobed chamber by water body Action of Gravity Field, vibrate smaller；On divide lobed chamber and lower point of lobed chamber to lead to
Flange connection is crossed, reduces horizontal vibration, and the coupling stiffness of runner envelope waist is strengthened；Left split engineer room and right split
Engineer room is connected by flange, is reduced top and is vibrated, and the coupling stiffness at the top of runner envelope is strengthened；So as to the runner
Room reduces the vibration of unit operation operating mode, improves the rigidity of structure, thus its structural reliability is high, reduces crackle and leak
Problem, unit safety stable operation can be effectively ensured；And without specially setting waling to improve the rigidity of structure, so as to
Reduce material usage, improve stock utilization.
2nd, runner envelope is integrally divided into multiple cylindrical bodies, and each cylindrical body is divided into point lobed chamber and lower point of valve up and down again
Engineer room, lobed chamber is above divided further to be divided into left split engineer room and right split engineer room, thus it is not only easy for installation, flexible, and
The adjustment that becomes more meticulous to runner envelope gap can be realized during installation.
Brief description of the drawings
Fig. 1 is the structural representation of the single cylindrical body of runner envelope described in the embodiment of the present invention；
Fig. 2 is that the structure of cylindrical body described in the embodiment of the present invention splits schematic diagram；
Fig. 3 is the structural representation of left split engineer room described in the embodiment of the present invention；
Fig. 4 is Fig. 3 A-A sectional views；
Wherein, 1 lobed chamber is divided on,；2nd, lobed chamber is divided under；3rd, left split engineer room；4th, right split engineer room；5th, first flange
Face；6th, second flange face；7th, the 3rd flange face；8th, rigid body ring；9th, reinforcing ring.
Embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following examples are used for
Illustrate the present invention, but can not be used for limiting the scope of the present invention.
In the description of the invention, term " on ", " under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head
The orientation or position relationship of the instruction such as portion ", " afterbody " are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the present invention and simplify description, rather than indicate or imply that signified device or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " etc.
It is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be to be joined directly together, can also be indirectly connected by intermediary.For the ordinary skill in the art, tool can be regarded
Body situation understands the concrete meaning of above-mentioned term in the present invention.
As shown in figures 1-4, a kind of Bulb Turbine Units turbine chamber is present embodiments provided, it includes tubular
Body, the cylindrical body are bisected into upper point lobed chamber 1 and the lower point of lobed chamber 2 of half tubular up and down, it is described on divide lobed chamber 1 and lower point
Lobed chamber 2 is connected by flange；Lobed chamber 1 is divided to be bisected into left split engineer room 3 and right split engineer room 4 vertically on described, it is described
Left split engineer room 3 is connected with right split engineer room 4 by flange.
Specifically, the left split engineer room 3 and right split engineer room 4 are provided with first flange face in the junction of the two
5.Lobed chamber 1 and lower point of lobed chamber 2 is divided to be provided with second flange face 6 in the junction of the two on described.The cylindrical body is
Multiple, multiple cylindrical bodies are axially butted into runner envelope successively, are connected by flange between adjacent cylindrical body, are respectively provided with junction
There is the 3rd flange face 7.
Further, the left split engineer room 3, right split engineer room 4 and under divide the outer wall of lobed chamber 2 along arc to provided with adding
Strong ring 9, the cross section of the reinforcing ring 9 are T-shaped.The cylindrical body positioned at downstream is circumferentially provided with rigid body in its water outlet
Ring 8.
In work, water is full of inside runner envelope under unit operation operating mode, under divide lobed chamber 2 to be shaken by water body Action of Gravity Field
It is dynamic smaller；On divide lobed chamber 1 to be connected with lower point of lobed chamber 2 by flange, reduce horizontal vibration, and make the company of runner envelope waist
Rigidity is connect to be strengthened；Left split engineer room 3 is connected with right split engineer room 4 by flange, is reduced top and is vibrated, and makes runner envelope
The coupling stiffness at top is strengthened.
In summary, the runner envelope of the present embodiment reduces the vibration of unit operation operating mode, improves the rigidity of structure, thus
Its structural reliability is high, reduces crackle and seepy question, it is ensured that unit safety stable operation；It is and vertical without specially setting
To reinforcement to improve the rigidity of structure, so as to reduce material usage, stock utilization is improved.Split-type structure is not only installed
It is convenient, flexible, and the adjustment that becomes more meticulous to runner envelope gap can be realized during installation.
Embodiments of the invention provide for the sake of example and description, and are not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Select and describe embodiment and be to more preferably illustrate the principle and practical application of the present invention, and make one of ordinary skill in the art
It will be appreciated that the present invention is so as to designing the various embodiments with various modifications suitable for special-purpose.
Claims (9)
1. a kind of Bulb Turbine Units turbine chamber, including cylindrical body, it is characterised in that the cylindrical body is divided equally up and down
For upper point lobed chamber and the lower point of lobed chamber of half tubular, it is described on divide lobed chamber to be connected with lower point of lobed chamber by flange, it is described
On divide lobed chamber to be bisected into left split engineer room and right split engineer room vertically, the left split engineer room and right split engineer room pass through method
Orchid connection.
2. Bulb Turbine Units turbine chamber according to claim 1, it is characterised in that the left split wheel
Room, right split engineer room and under divide the outer wall of lobed chamber along arc to provided with reinforcing ring.
3. Bulb Turbine Units turbine chamber according to claim 2, it is characterised in that the horizontal stroke of the reinforcing ring
Section is T-shaped.
4. Bulb Turbine Units turbine chamber according to claim 1, it is characterised in that the left split engineer room
With right split engineer room first flange face is provided with the junction of the two.
5. Bulb Turbine Units turbine chamber according to claim 1, it is characterised in that divide lobed chamber on described
With lower point of lobed chamber second flange face is provided with the junction of the two.
6. Bulb Turbine Units turbine chamber according to claim 1, it is characterised in that the cylindrical body is more
Individual, multiple cylindrical bodies are axially docked successively.
7. Bulb Turbine Units turbine chamber according to claim 6, it is characterised in that the adjacent cylindrical body
Between connected by flange.
8. Bulb Turbine Units turbine chamber according to claim 7, it is characterised in that the adjacent cylindrical body
The 3rd flange face is provided with its junction.
9. Bulb Turbine Units turbine chamber according to claim 6, it is characterised in that positioned at described in downstream
Cylindrical body is circumferentially provided with rigid body ring in its water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417654.8A CN107420248A (en) | 2017-06-06 | 2017-06-06 | A kind of Bulb Turbine Units turbine chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417654.8A CN107420248A (en) | 2017-06-06 | 2017-06-06 | A kind of Bulb Turbine Units turbine chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107420248A true CN107420248A (en) | 2017-12-01 |
Family
ID=60429710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710417654.8A Pending CN107420248A (en) | 2017-06-06 | 2017-06-06 | A kind of Bulb Turbine Units turbine chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107420248A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0038321A1 (en) * | 1980-04-16 | 1981-10-21 | VOEST-ALPINE Aktiengesellschaft | Tubular turbine |
| CN201582034U (en) * | 2009-11-13 | 2010-09-15 | 天津市天发重型水电设备制造有限公司 | Structure for fastening runner chamber and expansion joint of through-flow turbine |
| CN203130343U (en) * | 2013-02-28 | 2013-08-14 | 重庆水轮机厂有限责任公司 | Bulb tubular turbine runner chamber structure |
| CN206092269U (en) * | 2016-10-11 | 2017-04-12 | 重庆云河发电设备有限公司 | Lower many lamellas of formula chamber for runner of tearing open of axial flow turbine |
| CN206942917U (en) * | 2017-06-06 | 2018-01-30 | 国家电网公司 | A kind of Bulb Turbine Units turbine chamber |
-
2017
- 2017-06-06 CN CN201710417654.8A patent/CN107420248A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0038321A1 (en) * | 1980-04-16 | 1981-10-21 | VOEST-ALPINE Aktiengesellschaft | Tubular turbine |
| CN201582034U (en) * | 2009-11-13 | 2010-09-15 | 天津市天发重型水电设备制造有限公司 | Structure for fastening runner chamber and expansion joint of through-flow turbine |
| CN203130343U (en) * | 2013-02-28 | 2013-08-14 | 重庆水轮机厂有限责任公司 | Bulb tubular turbine runner chamber structure |
| CN206092269U (en) * | 2016-10-11 | 2017-04-12 | 重庆云河发电设备有限公司 | Lower many lamellas of formula chamber for runner of tearing open of axial flow turbine |
| CN206942917U (en) * | 2017-06-06 | 2018-01-30 | 国家电网公司 | A kind of Bulb Turbine Units turbine chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |
|
| RJ01 | Rejection of invention patent application after publication |