CN106677841B - A kind of isolating device and steam turbine last stage humidity detector - Google Patents
A kind of isolating device and steam turbine last stage humidity detector Download PDFInfo
- Publication number
- CN106677841B CN106677841B CN201710133873.3A CN201710133873A CN106677841B CN 106677841 B CN106677841 B CN 106677841B CN 201710133873 A CN201710133873 A CN 201710133873A CN 106677841 B CN106677841 B CN 106677841B
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- China
- Prior art keywords
- spacer
- sleeve
- isolating device
- card slot
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention discloses a kind of isolating devices and steam turbine last stage humidity detector, isolating device to include：Plug-in the first spacer and the second spacer；The first sleeve and the first sleeve being inserted on first spacer and the second spacer, and the first set jacket casing is in the second sleeve；It is sleeved on the 3rd sleeve outside first spacer and second spacer and for inserting fixed first spacer and second spacer.During actual processing, because all parts of this isolator are to process respectively, therefore original complicated processing technique is simplified；And be that the form of inserting is mutually fixed between spacer and the first sleeve, second sleeve, 3rd sleeve, therefore make assembling easier.Therefore, isolating device provided by the invention can simplify isolator processing link, reduce its assembly difficulty, solve the problems, such as the field at this stage.
Description
This application claims on March 1st, 2017 submit Patent Office of the People's Republic of China, application No. is 201710117321.3, invention names
Referred to as a kind of priority of the Chinese patent application of " isolating device and steam turbine last stage humidity detector ", entire contents are led to
Reference is crossed to be incorporated in the present application.
Technical field
The present invention relates to steam turbine last stage Humidity Detection field, more specifically to a kind of isolating device and steam turbine
Final stage humidity detector.
Background technology
In steam turbine operation field, the operating parameter in each stage directly affects the economic performance and security performance of system.
For steam turbine last stage humidity, the parameter under each state need to be detected using steam turbine last stage humidity detector.Vapour
Cavity is equipped at the probe of turbine final stage humidity detector, probe needs to stretch into cavity and to the steaming in cavity during measurement
Vapour carries out Data Detection.In order to enable while steam enters cavity, microwave is avoided to leave cavity, cavity be internally provided with every
From device.
For the prior art, isolator includes sleeve and is arranged on the spacer of sleeve inner.It is common at this stage every
It is that lathe is directly process from device, because each spacer, sleeve, cavity are lathe process, so that process
It is relative complex；And because complicated process is susceptible to error, therefore isolator is made to be installed with cavity and easily phenomena such as bite occurs,
It makes troubles to assembling link.
Therefore, how to simplify isolator processing link, reduce its assembly difficulty, be the difficulty that the field is urgently to be resolved hurrily at this stage
Topic.
Invention content
In view of this, the purpose of the present invention is to provide a kind of isolating device, which can simplify isolator processing ring
Section, reduces its assembly difficulty, solves the problems, such as the field at this stage.The present invention also aims to provide a kind of steam turbine end
Grade humidity detector, the device include above-mentioned isolating device, therefore, it is possible to simplify isolator processing link, reduce its dress
With difficulty.
A kind of isolating device, applied to steam turbine last stage Humidity Detection, including：
Plug-in the first spacer and the second spacer；
The first sleeve and the first sleeve being inserted on first spacer and the second spacer, and first sleeve
It is sleeved in the second sleeve；
Be sleeved on first spacer and second spacer it is outer and for insert fixed first spacer and
The 3rd sleeve of second spacer.
Preferably, the centre of the isolating device, first spacer and second spacer is respectively equipped with first
Card slot and the second card slot, and first card slot and second card slot can insert together, by first spacer and
Second spacer is mutually fixed.
Preferably, the both sides of the isolating device, first card slot and second card slot are respectively equipped with two first
Vice card slot and two the second vice card slots are respectively equipped with the first slot and second on first sleeve and the second sleeve and insert
Slot；And first slot and second slot can, be inserted into the first vice card slot and second pair from inside to outside
In card slot, and first sleeve and the second sleeve are fixed.
Preferably, the isolating device, the inner wall of the 3rd sleeve are equipped with keyway, first spacer and described
Second spacer can be inserted into the keyway, mutually be fixed with the 3rd sleeve.
Preferably, the isolating device, first spacer to be T-shaped, and its alar part can be inserted into the keyway,
First spacer is mutually fixed with the 3rd sleeve.
Preferably, the isolating device, second spacer to be T-shaped, and its alar part can be inserted into the keyway,
Second spacer is mutually fixed with the 3rd sleeve.
Preferably, it is formed when the isolating device, first spacer and plug-in second spacer
Angle is 90 °.
Preferably, the isolating device, can when first spacer and second spacer are plug-in
The both ends of the two is made to flush respectively.
Preferably, the isolating device, when first sleeve and the second sleeve are inserted into first spacer
During on the second spacer, the both ends of the two can be made to flush respectively.
A kind of steam turbine last stage humidity detector, is equipped with the isolating device described in as above any bar.
Isolating device proposed by the present invention, applied to steam turbine last stage Humidity Detection, including：Plug-in first every
From piece and the second spacer；The first sleeve and the first sleeve being inserted on first spacer and the second spacer, and institute
First set jacket casing is stated in the second sleeve；It is sleeved on outside first spacer and second spacer and is used for
The 3rd sleeve of fixed first spacer of inserting and second spacer.During actual processing, because this isolator is each
A component simplifies original complicated processing technique to process respectively；And spacer and the first sleeve, second sleeve, third
It is that the form of inserting is mutually fixed between sleeve, therefore makes assembling easier.Therefore, isolating device provided by the invention, can
Simplify isolator processing link, reduce its assembly difficulty, solve the problems, such as the field at this stage.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the front view of the first spacer in the specific embodiment of the invention；
Fig. 2 is the front view of the second spacer in the specific embodiment of the invention；
Fig. 3 is spacer and the schematic diagram of sleeve installation in the specific embodiment of the invention；
Fig. 4 is isolator and the schematic diagram of cavity assembling in the specific embodiment of the invention.
In Fig. 1-Fig. 4：
First spacer -1, the first card slot -2, the first vice card slot -3, the second spacer -4, the second card slot -5,
Second mate card slot -6,3rd sleeve -7, the first sleeve -8, second sleeve -9.
Specific embodiment
The core of present embodiment is to provide a kind of isolating device, which can simplify isolator processing ring
Section, reduces its assembly difficulty, solves the problems, such as the field at this stage.
Hereinafter, embodiment is illustrated with reference to attached drawing.In addition, embodiments illustrated below is not to recorded in claim
Invention content rise any restriction effect.In addition, the full content of the composition represented by example below is not limited to as right
It is required that necessary to the solution of recorded invention.
The isolating device that present embodiment provides, mainly includes：First spacer 1, the second spacer 4, first set
Cylinder 8, second sleeve 9,3rd sleeve 7.First spacer 1 and the second spacer 4 are plug-in；First sleeve 8 and second set
Cylinder 9 is inserted on the first spacer 1 and the second spacer 4；3rd sleeve 7 is sleeved on the first spacer 1 and the second spacer 4
Outside, the first spacer 1 and the second spacer 4 are fixed for inserting.It please specifically refer to Fig. 1-Fig. 2.
The isolating device that present embodiment provides wherein the first spacer 1 is T-shaped laminated structure, is held on it
Intermediate position is provided with the first card slot 2, and symmetrically offers two pair of first vice card slot 3 on the both sides of the first card slot 2.Second isolation
Piece 4 is similar to the appearance of the second spacer 4, is also T-shaped laminated structure, and the second card slot 5 is offered at the intermediate position of its lower end,
And symmetrical two pair of second vice card slot 6 is offered in the both sides of T-shaped upper end, the second card slot 5；And first card slot 2 and the second card
Slot 5 can be inserted and is fixed together, and the first spacer 1 and the top and bottom of the second spacer 4 is made to flush respectively, i.e., same
In one plane.It should be noted that the upper end mentioned in present embodiment refers to the longer one end of T-shaped spacer, under
End refers to one end corresponding, shorter with upper end, and alar part refers to that the part of lower end protrusion is compared in upper end.It please specifically refer to
Fig. 1-Fig. 2.
3rd sleeve 7 be both ends open cavity structure, and on its inner wall symmetrically be equipped with two pairs of keyways, and first every
Alar part from piece 1, which can insert, to be fixed in two symmetrical keyways；Similarly, the alar part of the second spacer 4 can also insert
It is fixed in two symmetrical keyways.
First sleeve 8 is the cavity structure of both ends open, and is symmetrically equipped with two pair of first slot in one end；Second set
Cylinder 9 is also the cavity structure of both ends open, and two pair of second slot is symmetrically equipped with, and second sleeve 9 is more than first in one end
Sleeve 8 can cover and load first set cylinder 8.And first sleeve 8 can insert the first vice card slot being fixed among the spacer
3 and second in vice card slot 6；Second sleeve 9 can insert the first vice card slot 3 being held away among spacer and the second vice card
In slot 6, and the both ends of sleeve and the end of spacer is made to be in the same plane.It please specifically refer to Fig. 3-Fig. 4.
The isolating device that present embodiment provides, when the first card slot 2 and plug-in the second card slot 5, first
Slot and the second slot can be from inside to outside be inserted into the first vice card slot 3 and the second vice card slot 6, and can ensure first set
The both ends of cylinder 8 and second sleeve 9 and the both ends of the first spacer 1 and the second spacer 4 are in same plane.During actual processing,
Because all parts of this isolator are individually processing, therefore simplify original complicated processing technique；And spacer is processed for monolithic,
And fixed by way of alar part inserting with 7 phase of 3rd sleeve, design error is reduced, makes assembling easier.Therefore, this hair
The isolating device of bright offer can simplify isolator processing link, reduce its assembly difficulty with 3rd sleeve 7, solve existing
The problem in the stage field.It should be noted that is be previously mentioned in present embodiment refers to from inside to outside from spacer
Intermediate position to its both sides, the intermediate position of the first spacer 1 and the second spacer 4 refers respectively to the first card slot 2 and
Position where two draw-in groove 5.
The isolating device that present embodiment provides, in practical design, in order to ensure the smooth flow of steam with
Accurate measurement result is obtained, the first sleeve 8, second sleeve 9 and 3rd sleeve 7 can be designed to cylindrical shape；Certainly,
Under the premise of testing result is not influenced, other shapes can also be designed as.
The isolating device that present embodiment provides, in practical design, in order to by 3rd sleeve 7, the first sleeve
8th, the internal structure of second sleeve 9 is divided into impartial space, can be equal by the radian between keyway, the first slot, the second slot
It is designed as 90 °；Certainly, under the premise of testing result is not influenced, radian can also be designed as other values.
The isolating device that present embodiment provides is to realize to insert by keyway between isolator and 3rd sleeve 7
Form；In order to be further simplified the assembling of 3rd sleeve 7 and inlet air flow end cap, can be set in the outer surface of 3rd sleeve 7
Screw thread is counted, and makes end cap for matched design, to be further simplified the connection mode of 3rd sleeve 7 and end cap.
It should be noted that the steam turbine last stage humidity detector of isolating device disclosed by the invention is installed also at this
In the rights protection scope of invention.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (8)
1. a kind of isolating device, applied to steam turbine last stage Humidity Detection, which is characterized in that including：
Plug-in the first spacer (1) and the second spacer (4)；
The first sleeve (8) and second sleeve (9) being inserted on first spacer (1) and the second spacer (4), and it is described
First sleeve (8) is sleeved in the second sleeve (9)；
First spacer (1) and second spacer (4) are sleeved on outside and for inserting fixed first spacer
(1) and the 3rd sleeve of second spacer (4) (7)；
Angulation is 90 ° when first spacer (1) and plug-in second spacer (4)；
When first spacer (1) and second spacer (4) are plug-in, the both ends difference that can make the two is neat
It is flat.
2. isolating device according to claim 1, which is characterized in that first spacer (1) and second spacer
(4) centre is respectively equipped with the first card slot (2) and the second card slot (5), and first card slot (2) and second card slot (5)
It can insert together, and first spacer (1) is mutually fixed with second spacer (4).
3. isolating device according to claim 2, which is characterized in that first card slot (2) and second card slot (5)
Both sides are respectively equipped with two the first vice card slots (3) and two the second vice card slots (6), first sleeve (8) and second set described
The first slot and the second slot are respectively equipped on cylinder (9)；And first slot and second slot can be inserted from inside to outside
In the first vice card slot (3) and the second vice card slot (6), and by first sleeve (8) and the second sleeve
(9) it is fixed.
4. isolating device according to claim 1, which is characterized in that the inner wall of the 3rd sleeve (7) is equipped with keyway, institute
Stating the first spacer (1) and second spacer (4) can be inserted into the keyway, and with the 3rd sleeve (7) phase
It is fixed.
5. isolating device according to claim 4, which is characterized in that first spacer (1) is T-shaped, and its alar part energy
It is enough inserted into the keyway, and first spacer (1) is mutually fixed with the 3rd sleeve (7).
6. isolating device according to claim 4, which is characterized in that second spacer (4) is T-shaped, and its alar part energy
It is enough inserted into the keyway, and second spacer (4) is mutually fixed with the 3rd sleeve (7).
7. isolating device according to claim 1, which is characterized in that when first sleeve (8) and the second sleeve (9)
When being inserted on first spacer (1) and the second spacer (4), the both ends of the two can be made to flush respectively.
8. a kind of steam turbine last stage humidity detector, which is characterized in that install just like claim 1-7 any one of them every
From device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710117321 | 2017-03-01 | ||
| CN2017101173213 | 2017-03-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106677841A CN106677841A (en) | 2017-05-17 |
| CN106677841B true CN106677841B (en) | 2018-07-10 |
Family
ID=58826628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710133873.3A Expired - Fee Related CN106677841B (en) | 2017-03-01 | 2017-03-08 | A kind of isolating device and steam turbine last stage humidity detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106677841B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294251A (en) * | 1999-10-29 | 2001-05-09 | 三菱重工业株式会社 | Steam turbine with improved outer shell cooling system |
| US6672825B1 (en) * | 1999-05-21 | 2004-01-06 | Electric Power Research Institute, Inc. | Method and apparatus for increasing power generated by a steam turbine by controlling the electric charge in steam exiting the steam turbine |
| CN103760108A (en) * | 2013-12-30 | 2014-04-30 | 浙江大学 | Optoacoustic differential measurement method and device of humidity of wet steam |
| CN103133065B (en) * | 2011-11-30 | 2015-09-09 | 高德伟 | Steam turbine outer rim internal surface dries dividing plate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04194302A (en) * | 1990-11-28 | 1992-07-14 | Hitachi Ltd | Steam turbine structure |
| CN206987896U (en) * | 2017-03-01 | 2018-02-09 | 华北电力大学（保定） | A kind of isolating device and steam turbine last stage humidity detector |
-
2017
- 2017-03-08 CN CN201710133873.3A patent/CN106677841B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6672825B1 (en) * | 1999-05-21 | 2004-01-06 | Electric Power Research Institute, Inc. | Method and apparatus for increasing power generated by a steam turbine by controlling the electric charge in steam exiting the steam turbine |
| CN1294251A (en) * | 1999-10-29 | 2001-05-09 | 三菱重工业株式会社 | Steam turbine with improved outer shell cooling system |
| CN103133065B (en) * | 2011-11-30 | 2015-09-09 | 高德伟 | Steam turbine outer rim internal surface dries dividing plate |
| CN103760108A (en) * | 2013-12-30 | 2014-04-30 | 浙江大学 | Optoacoustic differential measurement method and device of humidity of wet steam |
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| Publication number | Publication date |
|---|---|
| CN106677841A (en) | 2017-05-17 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 |
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