CN108020630A - A kind of steam turbine last stage humidity detector and steam turbine - Google Patents
A kind of steam turbine last stage humidity detector and steam turbine Download PDFInfo
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- CN108020630A CN108020630A CN201610940250.2A CN201610940250A CN108020630A CN 108020630 A CN108020630 A CN 108020630A CN 201610940250 A CN201610940250 A CN 201610940250A CN 108020630 A CN108020630 A CN 108020630A
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- steam turbine
- last stage
- sleeve
- humidity detector
- stage humidity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
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Abstract
The invention discloses a kind of steam turbine last stage humidity detector and steam turbine, which includes：Probe, clip, sleeve, shutter, control mechanism.The present apparatus is in use, sleeve is fixed on cylinder inner wall, the frequency values measured in the state of shutter closing at this time of popping one's head in first；Shutter is opened by starting control mechanism again, steam is measured the frequency values under the state from the entrance of the front end of sleeve and contact probe head, real-time steam turbine last stage humidity is obtained eventually through the calculating of measured value twice.The process, it is not necessary to the movement of probe, i.e., the participation of no guide rail, therefore avoid the phenomenon of track bite；And the device is mounted as a whole in cylinder of steam turbine body, the device of cylinder wall is not passed through, therefore is not involved in the problems, such as to leak vacuum.Therefore, steam turbine last stage humidity detector disclosed by the invention, can solve problem of the prior art while track bite is avoided, the appearance of anti-leak-stopping vacuum phenomenon.
Description
Technical field
The present invention relates to detection field, more specifically to a kind of steam turbine last stage humidity detector and steam turbine.
Background technology
In steam turbine operation field, the operating parameter in each stage is directly related to the economic performance and security performance of system.
For steam turbine last stage humidity, the situation under its each state cannot be immediately arrived at by other specification, need to be set using correlation
It is standby to be detected.
For the prior art, the method for common measurement steam turbine last stage humidity has two kinds, and one kind is detection outside cylinder,
Another kind is detection in cylinder.Detect outside cylinder, though the steam of final stage collection by with sleeved probe, to measure correlation
Data；The shortcomings that this method is, the thermal equilibrium state of steam, need to make substantial amounts of steam by probe during in order to reach detection, should
Process is time-consuming and laborious, is unfavorable for monitoring in real time.Detection in cylinder, i.e. probe and sleeve are installed on the intracavitary of steam turbine, and control is visited
The mobile handle of head is installed on outside chamber；During measurement：Steam parameter value when measuring probe is in sleeve first；Manually will again
Probe move to sleeve it is outer, to measure the parameter value under the state；Eventually through the two parameters, to obtain the operating mode tubine
The humidity of final stage.Though disclosure satisfy that real-time monitoring, this method still suffers from certain defect：First, had concurrently inside and outside detection device, it is close
Envelope property is poor, steam turbine the phenomenon of leakage vacuum is occurred；Secondly, which, which needs to set, is used for mobile rail of popping one's head in
Road, and easily there is the phenomenon of bite in long-term use in track, so that influencing final test result.
Therefore, it is that the field is urgently at this stage how while track bite is avoided, the appearance of anti-leak-stopping vacuum phenomenon
The problem of solution.
The content of the invention
In view of this, it is an object of the invention to provide a kind of steam turbine last stage humidity detector, which can be
While avoiding track bite, the appearance of anti-leak-stopping vacuum phenomenon, solve problem of the prior art.The purpose of the present invention is also
It is to provide a kind of steam turbine, which includes above-mentioned steam turbine last stage humidity detector, therefore, it is possible to avoid rail
While road bite, the appearance of anti-leak-stopping vacuum phenomenon.
A kind of steam turbine last stage humidity detector, including：Probe, for fixing the clip of the probe, is sleeved on institute
The sleeve outside probe and clip is stated, is arranged on the shutter of the barrel forward end, for the control for controlling the shutter to open
Mechanism；The rear end of the sleeve is open state；The inner wall of the sleeve is mutually fixed with the clip, the outer wall of the sleeve with
Cylinder inner wall is mutually fixed.
Preferably, the steam turbine last stage humidity detector, the control mechanism are electromagnetic relay, the shutter
It is equipped with the actuator for being used for controlling it to open and possess magnetism；The electromagnetic relay be arranged on the actuator top,
And the actuator is driven to move by magnetism.
Preferably, the steam turbine last stage humidity detector, the side wall of the barrel forward end, which is equipped with, can accommodate institute
State the cavity structure of electromagnetic relay.
Preferably, the steam turbine last stage humidity detector, the side wall of the barrel forward end are equipped with protrusion, and described hundred
Leaf window, which is equipped with, to match with the front end of the sleeve and carries the block tongue of card slot, and the card slot matches with the protrusion.
Preferably, the steam turbine last stage humidity detector, the inner wall of the sleeve pass through connector and the clip
It is mutually fixed.
Preferably, the steam turbine last stage humidity detector, the sleeve wall are equipped with and are mutually fixed with the connector
Through hole；One end of the connector through the through hole, mutually fix with the clip, the other end of the connector with it is described
Cylinder inner wall is mutually fixed.
Preferably, the steam turbine last stage humidity detector, the connector are connecting tube.
Preferably, the steam turbine last stage humidity detector, the connector are mutually fixed by welding with the clip.
Preferably, the steam turbine last stage humidity detector, the connector pass through welding and the cylinder inner wall phase
It is fixed.
A kind of steam turbine, is provided with the steam turbine last stage humidity detector described in as above any bar.
Steam turbine last stage humidity detector provided by the invention, including：Probe, for fixing the clip of the probe,
The sleeve being sleeved on outside the probe and clip, is arranged on the shutter of the barrel forward end, for controlling the shutter to beat
The control mechanism opened；The rear end of the sleeve is open state；The inner wall of the sleeve is mutually fixed with the clip, the sleeve
Outer wall mutually fixed with cylinder inner wall.The present apparatus is popped one's head in closed in shutter first in use, sleeve is fixed on cylinder inner wall
Frequency values at this time are measured in the state of closing；Shutter is opened by starting control mechanism again, makes front end of the steam from sleeve
Into and contact probe head, measure the frequency values under the state, real-time steamer obtained eventually through the calculating of measured value twice
Machine final stage humidity.The process, it is not necessary to the movement of probe, i.e., the participation of no guide rail, therefore avoid the phenomenon of track bite；And
The device is mounted as a whole in cylinder of steam turbine body, is not passed through the device of cylinder wall, therefore is not involved in the problems, such as to leak vacuum.Therefore,
Steam turbine last stage humidity detector disclosed by the invention, can be while track bite is avoided, anti-leak-stopping vacuum phenomenon
Occur, solve problem of the prior art.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are 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 schematic diagram of the probe portion of steam turbine last stage humidity detector in the specific embodiment of the invention；
Fig. 2 is the signal of the shutter closure state of steam turbine last stage humidity detector in the specific embodiment of the invention
Figure；
Fig. 3 is the signal of the shutter open mode of steam turbine last stage humidity detector in the specific embodiment of the invention
Figure.
In Fig. 1-Fig. 3：
Probe -1, clip -2, sleeve -3, shutter -4, electromagnetic relay -5, actuator -6, connector -7,
Protrusion -8, card slot -9, cavity structure -10, block tongue -11.
Embodiment
The core of present embodiment is to provide a kind of steam turbine last stage humidity detector, which can keep away
While exempting from track bite, the appearance of anti-leak-stopping vacuum phenomenon, solve problem of the prior art.
Hereinafter, embodiment is illustrated referring to the drawings.In addition, embodiments illustrated below is not to described in claim
The content of the invention 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 described invention.
The steam turbine last stage humidity detector that present embodiment provides, mainly includes：Probe 1, clip 2, sleeve
3rd, shutter 4, control mechanism.Wherein probe 1 is used to be detected the final stage humidity of steam turbine, and clip 2 is used to fix the spy
First 1；Sleeve 3 be sleeved on clip 2 and probe 1 outside, the two is wrapped, and the inner wall of sleeve 3 is fixed with 2 phase of clip, outer wall and
The inner wall of cylinder is mutually fixed；3 structures as both ends open of sleeve, its front end are equipped with shutter 4, can play its front end
The effect of closing；The mechanism in order to control for controlling shutter 4 to open.The present apparatus in use, sleeve 3 is fixed on cylinder inner wall,
Probe 1 measures frequency values at this time in the state of the closing of shutter 4 first；Shutter 4 is beaten by starting control mechanism again
Open, steam is entered from the front end of sleeve 3 and contact probe head 1, measure the frequency values under the state, eventually through measuring twice
The calculating of value obtains real-time steam turbine last stage humidity.The process, it is not necessary to pop one's head in 1 movement, i.e., the participation of no guide rail,
Therefore avoid the phenomenon of track bite；And the device is mounted as a whole in cylinder of steam turbine body, the device of cylinder wall is not passed through, therefore
It is not involved in the problems, such as to leak vacuum.Therefore, steam turbine last stage humidity detector disclosed by the invention, can avoid track bite
While, the appearance of anti-leak-stopping vacuum phenomenon, solve problem of the prior art.It please specifically refer to Fig. 1-Fig. 3.
The steam turbine last stage humidity detector that present embodiment provides, the control mechanism that control shutter 4 is opened
It can be electromagnetic relay 5, the actuator 6 for being used for controlling it to open can be equipped with shutter 4, which is to possess magnetic
Made of the material of property；And electromagnetic relay 5 is arranged on the top of the actuator 6, specifically, after the energization of electromagnetic relay 5, produce
The coil of magnetisation is arranged on the surface of the actuator 6；The setting is the drive in order to ensure electromagnetic relay 5 to actuator 6
Dynamic effect is optimal.When electromagnetic relay 5 is powered, its coil can produce magnetic and attract the actuator 6 on shutter 4, and
It is set to move upwards, shutter 4 is opened at this time；When electromagnetic relay 5 powers off, actuator 6 can be set back by gravity,
Shutter 4 is closed at this time.It please specifically refer to Fig. 2-Fig. 3.
The steam turbine last stage humidity detector that present embodiment provides, the front end side wall of its sleeve 3 are equipped with energy
Enough accommodate the cavity structure 10 of electromagnetic relay 5；The design can be such that electromagnetic relay 5 is integrated in probe portion, and play
The effect of single unit system is reduced, and layout is more reasonable.It please specifically refer to Fig. 1.
The steam turbine last stage humidity detector that present embodiment provides, can set on the side wall of 3 front end of sleeve
Protrusion 8 is put, block tongue 11 is set on the rational position of shutter 4, and block tongue 11 is equipped with the card slot 9 to match with protrusion 8；Should
Design can make the simpler convenience of connection between sleeve 3 and shutter 4.
The steam turbine last stage humidity detector that present embodiment provides, the inner wall of sleeve 3 can pass through connector 7
It is connected with clip 2.The through hole that can be equipped with 3 wall of sleeve, be fixed with 7 phase of connector；One end of the connector 7 passes through logical
Hole, fix with 2 phase of clip, and the other end is mutually fixed with cylinder inner wall.And the connector 7 can be connecting tube, the design be in order to
The necessary circuit that the present apparatus is related at work is pierced by from connecting tube, facilitate the management of pipeline.It please specifically refer to figure
1- Fig. 3.
The steam turbine last stage humidity detector that present embodiment provides, connector 7 and clip 2 and cylinder inner wall
Connection mode can be welding, or other can play the connection mode of equivalent effect.
It should be noted that the steam turbine of final stage humidity detector disclosed by the invention is installed also in the power of the present invention
In sharp protection domain.
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 to these embodiments will be apparent for those skilled in the art, 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 scope caused.
Claims (10)
- A kind of 1. steam turbine last stage humidity detector, it is characterised in that including：Pop one's head in (1), for fixing the probe (1) Clip (2), be sleeved on the outer sleeve (3) in probe (1) and clip (2), be arranged on the shutter of the sleeve (3) front end (4), the control mechanism for controlling the shutter (4) to open；The rear end of the sleeve (3) is open state；The sleeve (3) inner wall is mutually fixed with the clip (2), and the outer wall of the sleeve (3) is mutually fixed with cylinder inner wall.
- 2. steam turbine last stage humidity detector according to claim 1, it is characterised in that the control mechanism for electromagnetism after Electric appliance (5), the shutter (4) are equipped with the actuator (6) for being used for controlling it to open and possess magnetism；The electromagnetism relay Device (5) is arranged on the top of the actuator (6) and drives the actuator (6) mobile by magnetism.
- 3. steam turbine last stage humidity detector according to claim 2, it is characterised in that the side of sleeve (3) front end Wall is equipped with the cavity structure (10) that can accommodate the electromagnetic relay (5).
- 4. steam turbine last stage humidity detector according to claim 1, it is characterised in that the side of sleeve (3) front end Wall is equipped with raised (8), and the shutter (4) is equipped with matches and carry card slot (9) with the front end of the sleeve (3) Block tongue (11), the card slot (9) match with raised (8).
- 5. steam turbine last stage humidity detector according to claim 1, it is characterised in that the inner wall of the sleeve (3) leads to Connector (7) is crossed mutually to fix with the clip (2).
- 6. steam turbine last stage humidity detector according to claim 5, it is characterised in that sleeve (3) wall is equipped with The through hole mutually fixed with the connector (7)；One end of the connector (7) is mutually consolidated through the through hole, with the clip (2) Fixed, the other end of the connector (7) is mutually fixed with the cylinder inner wall.
- 7. steam turbine last stage humidity detector according to claim 6, it is characterised in that the connector (7) is connection Pipe.
- 8. steam turbine last stage humidity detector according to claim 5, it is characterised in that the connector (7) passes through weldering Connect and mutually fixed with the clip (2).
- 9. steam turbine last stage humidity detector according to claim 6, it is characterised in that the connector (7) passes through weldering Connect and mutually fixed with the cylinder inner wall.
- 10. a kind of steam turbine, it is characterised in that installation is just like the steam turbine last stage humidity detector described in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610940250.2A CN108020630B (en) | 2016-11-01 | 2016-11-01 | Steam turbine final humidity detection device and steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610940250.2A CN108020630B (en) | 2016-11-01 | 2016-11-01 | Steam turbine final humidity detection device and steam turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108020630A true CN108020630A (en) | 2018-05-11 |
| CN108020630B CN108020630B (en) | 2023-09-12 |
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ID=62069902
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|---|---|---|---|
| CN201610940250.2A Active CN108020630B (en) | 2016-11-01 | 2016-11-01 | Steam turbine final humidity detection device and steam turbine |
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