CN106979115A - Reaction turbine and its spindle seal system - Google Patents
Reaction turbine and its spindle seal system Download PDFInfo
- Publication number
- CN106979115A CN106979115A CN201710342562.8A CN201710342562A CN106979115A CN 106979115 A CN106979115 A CN 106979115A CN 201710342562 A CN201710342562 A CN 201710342562A CN 106979115 A CN106979115 A CN 106979115A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- reaction turbine
- throw rijng
- top cover
- seal system
- 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.)
- Granted
Links
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
- 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
- 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
- F03B11/006—Sealing arrangements
-
- 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 present invention is, on a kind of reaction turbine and its spindle seal system, to be related to reaction turbine technical field, and main purpose is to improve service life of the spindle of hydroelectric generator set seal assembly in silt basin.The spindle seal system of reaction turbine includes：Axis hole is offered on top cover, top cover；Main shaft, it passes through axis hole, and the leaking hole of annular is formed between main shaft and axis hole；Web, is arranged on the end of main shaft, positioned at the side of top cover；Throw rijng, is arranged on main shaft, positioned at the opposite side of top cover, has spacing distance between the wheel hub of web, and the obstructing surface of throw rijng is towards leaking hole；Throw rijng and main shaft synchronous axial system, the obstructing surface of the throw rijng of rotation strike back the water spilt from leaking hole, and waterwall is formed at leaking hole.Throw rijng will not rub with wheel hub, wear and tear smaller in high concentration of sediment basin, maintenance cost is relatively low, without often maintenance, can improve the generated energy of wet season.
Description
Technical field
The present invention relates to reaction turbine technical field, more particularly to a kind of reaction turbine and its main shaft seal
System.
Background technology
The runner of reaction turbine is rotated in water by the reaction force of current, the pressure of current in the course of work
Can there are change, but the mainly conversion of pressure energy with kinetic energy.Reaction turbine can be divided into mixed-flow, axial-flow type, diagonal flow type
With it is tubular.In Francis turbine, current axially flow out runner radially into water distributor；In axial flow hydraulic turbine,
Current radially into stator, axially into outflow runner；In inclined flow turbine, current are radially into stator with inclination
Runner is flowed into the direction of a certain angle of main shaft, or stator and runner are flowed into the direction for favouring main shaft；In through-flow type hydro-turbo
In machine, current flow into stator and runner vertically.
At present, existing reaction turbine spindle seal system all uses comprehensive contact seal system, such as：Piston with
Packing_seal, seal ring and ladder packing_seal, labyrinth ring and ladder packing_seal, pump plate lubrication with clean water and packing_seal, bar
Family name's alloy tile gap and packing_seal etc., above spindle seal system are sealed in high concentration of sediment basin turbine-generator units spindle machine
Abrasion is very fast, and maintenance cost is higher, influences the generated energy of wet season.
The content of the invention
In view of this, the present invention provides a kind of reaction turbine and its spindle seal system, and main purpose is to improve
Service life of the spindle of hydroelectric generator set seal assembly in silt basin.
To reach above-mentioned purpose, present invention generally provides following technical scheme：
On the one hand, embodiments of the invention provide a kind of spindle seal system of reaction turbine, including：
Axis hole is offered on top cover, the top cover；
Main shaft, it passes through the axis hole, and the leaking hole of annular is formed between the main shaft and the axis hole；
Web, is arranged on the end of the main shaft, positioned at the side of the top cover；
Throw rijng, is arranged on the main shaft, has between the opposite side of the top cover, and the wheel hub of the web
There is a spacing distance, the obstructing surface of the throw rijng is towards the leaking hole；The throw rijng and the main shaft synchronous axial system, rotation
The obstructing surface of the throw rijng water spilt from the leaking hole is strikeed back, waterwall is formed at the leaking hole.
The object of the invention to solve the technical problems can be also applied to the following technical measures to achieve further.
Optionally, the spindle seal system of foregoing reaction turbine, wherein the obstructing surface of the throw rijng with it is described
Spacing distance between the wheel hub of web is between 0.5-2mm.
Optionally, the spindle seal system of foregoing reaction turbine, wherein the obstructing surface is away from the leak
The annular arcwall face of hole direction depression.
Optionally, the spindle seal system of foregoing reaction turbine, wherein the obstructing surface is that middle part is remote described
The annular inclined plane of leaking hole direction depression.
Optionally, the spindle seal system of foregoing reaction turbine, wherein the throw rijng by surely follow closely with it is described
Main shaft orientation.
Optionally, the spindle seal system of foregoing reaction turbine, wherein the working speed of the main shaft be more than etc.
In 400r/min.
Optionally, the spindle seal system of foregoing reaction turbine, wherein the working speed of the main shaft exists
1000r/min, 750r/min, 600r/min, 500r/min or 428.6r/min.
On the other hand, embodiments of the invention provide a kind of reaction turbine, including：
The spindle seal system of reaction turbine；
The spindle seal system of reaction turbine, including：
Axis hole is offered on top cover, the top cover；
Main shaft, it passes through the axis hole, and the leaking hole of annular is formed between the main shaft and the axis hole；
Web, is arranged on the end of the main shaft, positioned at the side of the top cover；
Throw rijng, is arranged on the main shaft, has between the opposite side of the top cover, and the wheel hub of the web
There is a spacing distance, the obstructing surface of the throw rijng is towards the leaking hole；The throw rijng and the main shaft synchronous axial system, rotation
The obstructing surface of the throw rijng water spilt from the leaking hole is strikeed back, waterwall is formed at the leaking hole.
The object of the invention to solve the technical problems can be also applied to the following technical measures to achieve further.
Optionally, foregoing reaction turbine, wherein the throw rijng is arranged in main shaft seal collecting chamber, the master
Sealing collecting chamber is connected with the draft tube cone of negative pressure.
The reaction turbine and its spindle seal system provided by above-mentioned technical proposal, technical solution of the present invention is at least
With following advantages：
In technical scheme provided in an embodiment of the present invention, web is located at the side of the top cover, and throw rijng is located at described
The opposite side of top cover, reaction turbine is in work, throw rijng and main shaft synchronous axial system, the obstructing surface of the throw rijng of rotation
The water spilt from leaking hole can be strikeed back, and waterwall is formed at the leaking hole, realize the sealing to leaking hole.Relative to
Prior art, due to having spacing distance between throw rijng and the wheel hub of web, actually between the two without direct
Contact, throw rijng will not rub with wheel hub, wear and tear smaller in high concentration of sediment basin, maintenance cost is relatively low, without often maintenance, can carry
The generated energy of high wet season.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is a kind of partial structurtes signal of the spindle seal system for reaction turbine that embodiments of the invention are provided
Figure；
Fig. 2 is a kind of throw rijng section of the spindle seal system for reaction turbine that embodiments of the invention are provided
Structural representation；
Fig. 3 is a kind of knot of the pipeline connection of the spindle seal system for reaction turbine that embodiments of the invention are provided
Structure schematic diagram；
Fig. 4 is a kind of structure of the throw rijng of the spindle seal system for reaction turbine that embodiments of the invention are provided
Schematic diagram.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to according to reaction turbine proposed by the present invention and its spindle seal system its specific embodiment party
Formula, structure, feature and its effect, are described in detail as after.In the following description, different " embodiment " or " embodiment " refers to
It is not necessarily same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can be by any suitable shapes
Formula is combined.
Embodiment one
As shown in figure 1, a kind of spindle seal system for reaction turbine that one embodiment of the present of invention is proposed, it is wrapped
Include：Top cover 10, main shaft 20, web 30 and throw rijng 40.
Axis hole is offered on top cover 10；Main shaft 20 passes through the axis hole, is formed between the main shaft 20 and the axis hole
There is the leaking hole 50 of annular；Web 30 is arranged on the end of the main shaft 20, and web 30 is located at the side of the top cover 10；
Throw rijng 40 is arranged on the main shaft 20, and throw rijng 40 is located at the opposite side of the top cover 10, throw rijng 40 and the runner
There is spacing distance, the obstructing surface 41 of the throw rijng 40 is towards the leaking hole 50 between the wheel hub 31 of body 30；The water dumping
Ring 40 and the synchronous axial system of main shaft 20, the water that the obstructing surface 41 of the throw rijng 40 of rotation will be spilt from the leaking hole 50
Counterattack, forms waterwall at the leaking hole 50.
In technical scheme provided in an embodiment of the present invention, web is located at the side of the top cover, and throw rijng is located at described
The opposite side of top cover, reaction turbine is in work, throw rijng and main shaft synchronous axial system, the obstructing surface of the throw rijng of rotation
The water spilt from leaking hole can be strikeed back, and waterwall is formed at the leaking hole, realize the sealing to leaking hole.Relative to
Prior art, due to having spacing distance between throw rijng and the wheel hub of web, actually between the two without direct
Contact, throw rijng will not rub with wheel hub, wear and tear smaller in high concentration of sediment basin, maintenance cost is relatively low, without often maintenance, can carry
The generated energy of high wet season.
In actual application, it can also be transformed by the reaction turbine to prior art, it is in the prior art, high
Rotary speed water turbine uses lubrication with clean water using the sealing of main shaft piston type plus outer packing_seal during start, later by repeatedly transformation
Change as the quiet rotating ring clearance seal of mechanical ladder, Yin Kuitun rivers matter is larger containing quantity of sand and mud, the wet season is per ten kilograms of cubic average
Left and right.The stepped sealed abrasion of machinery is very fast, and piston type sealing adds outer packing-type sealing wear very fast and may wear to the big axle of the hydraulic turbine,
Replacing machinery is stepped sealed every time must all remove drain elbow and runner, install the stepped sealed adjustment gap precision of machinery and require
Height, it is not so stepped sealed will be when rotating, rotating ring and stationary ring ladder friction damage are installed time-consuming.Nearly ten years, abundance of water
The month phase 6-9 serious wear, multiple correctional effect not substantially, put into a large amount of transformation fundses, a large amount of manpower and materials have impact on just
Normal generated energy.Main shaft seal percolating water design in the past is discharged into sump, is then discharged into tail water with the well pump that catchments, both consuming electric power,
The input of manpower and materials is increased again, proposes the transformation to hydraulic turbine main shaft sealing, main shaft seal drainage reconstruction.Improved after transformation
Unit generation amount, reduces maintenance personal, reduces maintenance cost, and using electricity wisely improves the usage cycles of sump equipment.
Transformation process is：
Mechanical seal is removed and is changed to taking turns wheel contactless type throw rijng, i.e., removes mechanical stepped sealed first, removes clear
Water lubrication pipe-line system, removes main shaft seal and is discharged into sump pipeline, transform main shaft seal, throw rijng is arranged on into the main shaft
On, sealed with wheel hub contactless type throw rijng.Because having removed the quiet ring seal of mechanical ladder, so not needing lubrication with clean water system
System.
Using good, guide vane opening 95% after transformation, main shaft seal is good during load 2500+100kW, without water from main shaft
Gap is spilt, and collecting chamber inspection is taken in operation apart after three months, and throw rijng abrasion is not obvious, uses clearance gauge inspection, throw rijng and wheel
Hub gap is 0.90mm, and even wearing, fixed non-loosening checks thrust bearing shoe valve temperature with, without significant change, checking snail before transformation
Shell is shaken with transforming preceding unchanged, and operational effect is good, and each parameter meets GB/T8564-2003《Water-turbine unit skill
Art specification》.
In order to form good sealing effectiveness, the wheel hub of the obstructing surface of the throw rijng and the web at leaking hole
Between spacing distance (minimum separation distances) can be between 0.5-2mm.It is preferred that throw rijng ensures 0.85mm-1mm's with wheel hub
Gap is preferable.
Wherein, between throw rijng and top cover equally have spacing distance, preferably can be between 0.5-2mm.
In order to which the water spilt from leaking hole is hit back by obstructing surface, more water attack is retreated at leaking hole, and
Waterwall is formed at leaking hole, as shown in Fig. 2 the obstructing surface 41a can be the annular being recessed away from the leaking hole direction
Arcwall face.During throw rijng high speed is rotated, after the water attack spilt from leaking hole is got on obstructing surface, away from the leaking hole side
The direction bounce-back that can draw close water towards the alignment of shafts to the annular arcwall face of depression, effectively rebounds current to leaking hole
Place.Specifically, the annular arcwall face of depression can gradually be depressed in the arcwall face of outer ring surface using inner ring surface, it would however also be possible to employ middle ring
Face is gradually depressed in the arcwall face of inner ring surface and outer ring surface.
In another embodiment that the present invention is provided, the obstructing surface is the ring that middle part is recessed away from the leaking hole direction
Shape inclined plane.During throw rijng high speed is rotated, after the water attack spilt from leaking hole is got on obstructing surface, middle part is away from the leakage
The annular inclined plane of water hole direction depression equally can rebound water towards the direction that the alignment of shafts is drawn close, and effectively current rebound
To leaking hole.
Also there is main shaft seal collecting chamber in the opposite side of top cover, throw rijng can be arranged in main shaft seal collecting chamber.By
Absolute sealing is difficult in waterwall, very small amount of water can be splashed by the interval between throw rijng and top cover to be collected into
In main shaft seal collecting chamber.As shown in figure 3, main shaft seal collecting chamber 60 is connected with draft tube cone 70, then born using Taper Pipe
Pressure is suctioned out, and is discharged into draft tube cone and is entered tail water.
In actual application, it can be transformed by the reaction turbine to prior art, transformation process is：
Main shaft seal collecting chamber is connected with draft tube cone, main shaft seal leak is suctioned out using draft tube cone negative pressure, row
Enter draft tube cone and enter tail water.
, can be by arbitrary mode, such as in the synchronous axial system of throw rijng and main shaft is realized：Between throw rijng and main shaft
Connected by key, or throw rijng is by surely following closely with the main shaft orientation etc..
If throw rijng uses overall structure, it is difficult to be installed on main shaft, in specific implementation, as shown in figure 4, throw rijng can be wrapped
The the first semi-ring 40a and the second semi-ring 40b of relative fastening are included, bolt 40c is passed through between the first semi-ring 40a and the second semi-ring 40b
It is fixed.
Leak-stopping annular groove is additionally provided with the axis hole periphery of top cover in addition, the inwall of leak-stopping annular groove forms the axis hole, runner
Wheel hub be located at the axis hole in, because wheel hub is arranged on the main shaft, in fact, leaking hole be between wheel hub and axis hole
Looping pit.
In a ring, it is the annular between wheel hub and axis hole that the diameter of the outer shroud of annular obstructing surface is more than leaking hole to obstructing surface
The external diameter in hole.Specifically, the outer shroud of the obstructing surface of annular can be in sustained height with the outer wall of top cover, or stretch into the leak-stopping
In annular groove, section obtains higher dash effect.
Wherein, the working speed of main shaft is higher, and main shaft seal is higher, in order to realize substantially good sealing, the master
The working speed of axle can be more than or equal to 400r/min.In specific implementation, the working speed of the main shaft can 1000r/min,
750r/min, 600r/min, 500r/min or 428.6r/min.
Embodiment two
A kind of reaction turbine that the embodiment of the present invention two is provided, including：Spindle seal system, it includes：Top cover, master
Axle, web and throw rijng.
Axis hole is offered on top cover；Main shaft passes through the axis hole, and annular is formed between the main shaft and the axis hole
Leaking hole；Web is arranged on the end of the main shaft, positioned at the side of the top cover；Throw rijng is arranged on the main shaft
On, positioned at the opposite side of the top cover, there is spacing distance between throw rijng and the wheel hub of the web, the throw rijng
Obstructing surface is towards the leaking hole；The throw rijng and the main shaft synchronous axial system, the obstructing surface of the throw rijng of rotation will
The water counterattack spilt from the leaking hole, forms waterwall at the leaking hole.
Specifically, the spindle seal system described in the present embodiment two can be directly using the described of the offer of above-described embodiment one
Spindle seal system, concrete implementation structure can be found in the related content described in above-described embodiment one, and here is omitted.
Specifically, the throw rijng is arranged in main shaft seal collecting chamber, the tail of the main shaft seal collecting chamber and negative pressure
Water cone pipe is connected.
Specifically, being used as the technical water supply in winter as to supply water using head cover drainage transformation.Due in the absence of machinery
Sealing, tears Discharging bent-tube open when maintenance is also just not present, tears the work such as runner open, reduce labor intensity.
The throw rijng provided in the embodiment of the present invention is installed well, good processing and manufacturing, and the production of reaction turbine or is changed
Make expense low.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
It is understood that the correlated characteristic in said apparatus can be referred to mutually.In addition, in above-described embodiment " the
One ", " second " etc. is to be used to distinguish each embodiment, and does not represent the quality of each embodiment.
In the specification that this place is provided, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the present invention
Example can be put into practice in the case of these no details.In some instances, known structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the disclosure and help to understand one or more of each inventive aspect, exist
Above in the description of the exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the device of the disclosure should be construed to reflect following intention：It is i.e. required to protect
The application claims of shield features more more than the feature being expressly recited in each claim.More precisely, such as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following embodiment are expressly incorporated in the embodiment, wherein each claim is in itself
All as the separate embodiments of the present invention.
Those skilled in the art, which are appreciated that, to be carried out adaptively to the part in the device in embodiment
Change and they are arranged in one or more devices different from the embodiment.Can be the component combination in embodiment
Into a part, and multiple subassemblies can be divided into addition.Except at least some in such feature are mutual
, can be using any combinations to the institute disclosed in this specification (including adjoint claim, summary and accompanying drawing) outside repulsion
There are feature and all parts of so disclosed any device to be combined.Unless expressly stated otherwise, this specification (including
Adjoint claim, summary and accompanying drawing) disclosed in each feature can or similar purpose identical, equivalent by offer replacement
Feature is replaced.
Although in addition, it will be appreciated by those of skill in the art that some embodiments described herein include other embodiments
In included some features rather than further feature, but the combination of the feature of be the same as Example does not mean in of the invention
Within the scope of and form different embodiments.For example, in the following claims, times of embodiment claimed
One of meaning mode can be used in any combination.The present invention all parts embodiment can be realized with hardware, or
Realized with combinations thereof.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and ability
Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between bracket should not be configured to limitations on claims.Word "comprising" is not excluded the presence of not
Part or component listed in the claims.Word "a" or "an" before part or component does not exclude the presence of multiple
Such part or component.The present invention can be realized by means of including the device of some different parts.It is some listing
In the claim of part, several in these parts can be embodied by same part.Word first,
Second and third use do not indicate that any order.These words can be construed to title.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, according to
Any simple modification, equivalent variations and the modification made according to the technical spirit of the present invention to above example, still fall within this hair
In the range of bright technical scheme.
Claims (10)
1. a kind of spindle seal system of reaction turbine, it is characterised in that including：
Axis hole is offered on top cover, the top cover；
Main shaft, it passes through the axis hole, and the leaking hole of annular is formed between the main shaft and the axis hole；
Web, is arranged on the end of the main shaft, positioned at the side of the top cover；
Throw rijng, is arranged on the main shaft, between having between the opposite side of the top cover, and the wheel hub of the web
Gauge from, the throw rijng obstructing surface towards the leaking hole.
2. the spindle seal system of reaction turbine according to claim 1, it is characterised in that
Spacing distance between the wheel hub of the obstructing surface of the throw rijng and the web is between 0.5-2mm.
3. the spindle seal system of reaction turbine according to claim 1, it is characterised in that
The obstructing surface is the annular arcwall face being recessed away from the leaking hole direction.
4. the spindle seal system of reaction turbine according to claim 1, it is characterised in that
The obstructing surface is the annular inclined plane that middle part is recessed away from the leaking hole direction.
5. the spindle seal system of reaction turbine according to claim 1, it is characterised in that
The throw rijng is arranged in main shaft seal collecting chamber.
6. the spindle seal system of reaction turbine according to claim 1, it is characterised in that
The throw rijng is by surely following closely and the main shaft orientation.
7. the spindle seal system of reaction turbine according to claim 1, it is characterised in that
The working speed of the main shaft is more than or equal to 400r/min.
8. the spindle seal system of reaction turbine according to claim 7, it is characterised in that
The working speed of the main shaft is in 1000r/min, 750r/min, 600r/min, 500r/min or 428.6r/min.
9. a kind of reaction turbine, it is characterised in that including：
The spindle seal system of any described reaction turbine in the claims 1-8.
10. reaction turbine according to claim 9, it is characterised in that
The throw rijng is arranged in main shaft seal collecting chamber, and the main shaft seal collecting chamber is connected with the draft tube cone of negative pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710342562.8A CN106979115B (en) | 2017-05-16 | 2017-05-16 | Reaction type hydraulic turbine and main shaft sealing system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710342562.8A CN106979115B (en) | 2017-05-16 | 2017-05-16 | Reaction type hydraulic turbine and main shaft sealing system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106979115A true CN106979115A (en) | 2017-07-25 |
| CN106979115B CN106979115B (en) | 2023-05-23 |
Family
ID=59342155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710342562.8A Active CN106979115B (en) | 2017-05-16 | 2017-05-16 | Reaction type hydraulic turbine and main shaft sealing system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979115B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856885A (en) * | 2022-06-20 | 2022-08-05 | 南方电网调峰调频发电有限公司检修试验分公司 | Step type sealing structure and water turbine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2172352Y (en) * | 1993-07-25 | 1994-07-20 | 黄国宏 | Hydrautic turbine revolving wheel with 2 impellers |
| CN2422490Y (en) * | 2000-05-29 | 2001-03-07 | 昆明电机有限责任公司 | Horizontal water turbine main shaft sealing device |
| CN2841996Y (en) * | 2005-10-18 | 2006-11-29 | 四川东风电机厂有限公司 | Water turbine contactless sealing device |
| CN101566119A (en) * | 2009-04-03 | 2009-10-28 | 黄国宏 | Adjustable gap seal and leakage treatment device |
| CN202520959U (en) * | 2012-03-21 | 2012-11-07 | 杭州杭发发电设备有限公司 | Water turbine spindle sealing device |
| CN203627066U (en) * | 2013-12-18 | 2014-06-04 | 杭州荣源发电设备有限公司 | Water turbine main shaft seal with wear-resistant rib plate |
| CN206707911U (en) * | 2017-05-16 | 2017-12-05 | 新疆银通建设监理有限公司 | Reaction turbine and its spindle seal system |
-
2017
- 2017-05-16 CN CN201710342562.8A patent/CN106979115B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2172352Y (en) * | 1993-07-25 | 1994-07-20 | 黄国宏 | Hydrautic turbine revolving wheel with 2 impellers |
| CN2422490Y (en) * | 2000-05-29 | 2001-03-07 | 昆明电机有限责任公司 | Horizontal water turbine main shaft sealing device |
| CN2841996Y (en) * | 2005-10-18 | 2006-11-29 | 四川东风电机厂有限公司 | Water turbine contactless sealing device |
| CN101566119A (en) * | 2009-04-03 | 2009-10-28 | 黄国宏 | Adjustable gap seal and leakage treatment device |
| CN202520959U (en) * | 2012-03-21 | 2012-11-07 | 杭州杭发发电设备有限公司 | Water turbine spindle sealing device |
| CN203627066U (en) * | 2013-12-18 | 2014-06-04 | 杭州荣源发电设备有限公司 | Water turbine main shaft seal with wear-resistant rib plate |
| CN206707911U (en) * | 2017-05-16 | 2017-12-05 | 新疆银通建设监理有限公司 | Reaction turbine and its spindle seal system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856885A (en) * | 2022-06-20 | 2022-08-05 | 南方电网调峰调频发电有限公司检修试验分公司 | Step type sealing structure and water turbine |
| CN114856885B (en) * | 2022-06-20 | 2024-03-29 | 南方电网调峰调频发电有限公司检修试验分公司 | Step type sealing structure and water turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106979115B (en) | 2023-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Egusquiza et al. | Failures due to ingested bodies in hydraulic turbines | |
| CN102606484A (en) | Charging pump for nuclear power station | |
| CN213175916U (en) | Hollow shaft pipeline type hydroelectric generation device | |
| CN107013399B (en) | Fixed-blade tubular turbine adopting gear transmission | |
| CN206707911U (en) | Reaction turbine and its spindle seal system | |
| CN202597113U (en) | Charging pump for nuclear power station | |
| CN106979115A (en) | Reaction turbine and its spindle seal system | |
| CN113617106A (en) | Magnetic suspension hydraulic rotary grid | |
| CN203743008U (en) | Novel efficient spiral-flow type slurry pump with impeller arranged in middle | |
| CN107757841A (en) | A kind of automatic climbing robot device of ship derusting based on high-pressure water jet | |
| CN204003486U (en) | A kind of TC Novel series slag stock pump | |
| CN214466094U (en) | Split dovetail type mechanical sealing device | |
| CN104197017A (en) | Water cooling oil-free spindle nose sealing structure for horizontal type concrete stirrer | |
| CN104315147A (en) | Power type contactless main shaft sealing device | |
| CN104612883B (en) | A kind of water-turbine top cover, cylindrical valve arrangement and its hydraulic turbine | |
| KR101514640B1 (en) | Hydraulic machine, energy conversion plant comprising such a machine, and use of a hydrastatic labyrinth bearing in such a machine | |
| CN101780891A (en) | Expansion and reduction rotary joint device of a steel belt hydraulic coiler | |
| CN106438475A (en) | Diagonal flow pump inhibiting blade tip leakage flow | |
| CN202165612U (en) | Nitrogen sealing structure of coal gas pressurizing machine | |
| CN201372882Y (en) | Novel hydraulic turbine shaft seal assembly adopting 'non-contact seal plus rotary pump unit' | |
| JP2013096245A (en) | Hydraulic machine, and method for disassembling the same | |
| CN207437263U (en) | A kind of radial direction self-compensation type sealing | |
| CN106337770A (en) | Pipeline power generating station | |
| CN106854995A (en) | Coal gangue power generation factory turbine low pressure cylinder gland seal device | |
| CN205315259U (en) | Buffering formula gyro wheel impeller pump that removes sand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |