CN205593707U - Turbo generator set high -and medium -voltage rotor dynamic balance optimizing apparatus - Google Patents
Turbo generator set high -and medium -voltage rotor dynamic balance optimizing apparatus Download PDFInfo
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- CN205593707U CN205593707U CN201620389192.4U CN201620389192U CN205593707U CN 205593707 U CN205593707 U CN 205593707U CN 201620389192 U CN201620389192 U CN 201620389192U CN 205593707 U CN205593707 U CN 205593707U
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- high inter
- vibration
- inter case
- generator set
- sensor
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Abstract
The utility model relates to a turbo generator set high -and medium -voltage rotor dynamic balance optimizing apparatus, install and each other become 90 X in two support bearing of steam turbine high -and medium -voltage rotor department, two eddy current sensor and the leading ware of Y direction, real -time supervision is carried out in vibration to the high -and medium -voltage rotor, deliver to the TDM system with the real -time data and the historical data of vibration, it compares to deliver to vibration off -line instrument simultaneously, behind contrastive analysis, behind the vibration state of accurate evaluation high -and medium -voltage rotor, utilize the unit to shut down the chance of overhauing and carry out the dynamic balance to the high -and medium -voltage rotor, reach good level until the vibration value, the reducible unit of this dynamic balance optimization method dash the commentaries on classics number of times.
Description
Technical field
This utility model relates to a kind of Turbo-generator Set High inter case dynamic balancing and optimizes device.
Background technology
The diagnosis of slewing vibration fault and control be a theory and practice combine closely, with
Based on theory, to be practiced as approach, comprehensive work for the purpose of solving vibration problem.
In Thermal Power Station, slewing is numerous, and all kinds of blower fans, water pump, motor etc. rotate and set
Standby is the important component part in heat power generating system.The vibration fault of slewing has burst
The feature such as property, persistence, harm seriousness, and the solution of Diagnosis for Turbogenerator Sets and
Control is mostly important and urgent in the vibration of numerous slewing, Turbo-generator Set dynamic balancing
Because the factor such as strongly professional, influence factor is many causes the spot dynamic balance of turbine LP rotors to need
Turbine LP rotors is carried out repeatedly red switch, had a strong impact on electricity power enterprise economic benefit and
Dynamic balancing efficiency.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide one can be at unit
During properly functioning and start and stop, the vibration to High inter case is measured in real time, in standard
After really measuring the state of High inter case, compressor emergency shutdown servicing machine is utilized can High inter case to be entered
The Turbo-generator Set High inter case dynamic balance optimization method of action balance.
This utility model Turbo-generator Set High inter case dynamic balancing optimizes device, including: with
Shaft-driven High inter case, low pressure rotor, generator amature, propping up of described High inter case
Support bearing on be mutually perpendicular to x to y to being provided with vibration measurement sensor, also include with described
The signal processing apparatus of vibration measurement sensor connection and described signal processing apparatus connect
TDM system, at the described signal processing apparatus vibration data to vibrating sensor collection
Inputting after reason to TDM system, described TDM system connects according to the output of TDM system
High inter case vibration data analyzes the vibrations analyzer of rotor vibrations fault, described TDM system
System storage High inter case history vibration data and the real-time vibration number of acquisition High inter case
According to, storage.Also include that off-line instrument, described off-line instrument are connected with described signal processing apparatus.
Further, described vibration measurement sensor is eddy current sensor.
Further, described signal processing apparatus includes detecting described vibration measurement sensor
The frequency overlapped-resistable filter that vibration signal is filtered, described frequency overlapped-resistable filter be arranged on described in shake
Between dynamic measurement sensor and TDM system.
Further, described signal processing apparatus also includes being connected to described vibration measurement sensing
Device and the A/D converter of TDM system.
Further, described orthogonal x to being built-in with y to vibration measurement sensor,
And be connected with TDM system by respective preamplifier respectively.
Further, described orthogonal x is to being external with y to vibration measurement sensor
, and be directly connected with external TDM system respectively.
Further, the spring bearing of described High inter case is provided with reference marker, with reference to mark
Remembering corresponding with the phase demodulation sensor of rotor relevant position, phase demodulation sensor is with TDM system even
Connect.
Further, described phase demodulation sensor is current vortex sensor or photoelectric sensor；Described
Corresponding reference marker is groove or cursor.
By such scheme, this utility model this utility model Turbo-generator Set High inter case
Dynamic balancing optimizes device and at least has the advantage that
1, two eddy current sensors the most in 90 ° are installed at High inter case two spring bearing
And the real-time vibration data of High inter case is acquired by fore-lying device, delivers to TDM system and turn
Turn to historical data.
2, by tdm data is compared with off-line vibrometer, high pressure is determined
The indeed vibrations data of rotor.
3, grasp High inter case true, accurately after vibration data, utilize unit to stop
Machine overhauling chance, carries out field high-speed dynamic balancing to High inter case, dynamic not flat exclusively for unit
Weigh and independent red switch rotor, save fund for electricity power enterprise.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand
Technological means of the present utility model, and can be practiced according to the content of description, below with this
The preferred embodiment of utility model and coordinate accompanying drawing describe in detail as after.
Accompanying drawing explanation
Fig. 1 is that this utility model Turbo-generator Set High inter case dynamic balancing optimizes device knot
Structure schematic diagram；
Fig. 2 is that this utility model Turbo-generator Set High inter case dynamic balancing optimizes device knot
Structure schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is made further
Describe in detail.Following example are used for illustrating this utility model, but it is new to be not limited to this practicality
The scope of type.
Embodiment 1
The present embodiment Turbo-generator Set High inter case dynamic balancing optimizes device, including: coaxial
The High inter case 1 of driving, low pressure rotor 2, generator amature 3, described High inter case
Spring bearing on be mutually perpendicular to x to y to being provided with vibration measurement sensor, also include with
Signal processing apparatus and described signal processing apparatus that described vibration measurement sensor connects connect
The TDM system connect, the vibration data of vibrating sensor collection is entered by described signal processing apparatus
Row inputs after processing to TDM system, and described TDM system connects defeated according to TDM system
The High inter case vibration data haveing analyzes the vibrations analyzer of rotor vibrations fault, described
TDM system stores High inter case history vibration data and obtains the real-time of High inter case
Vibration data, storage.Also include off-line instrument, described off-line instrument and described signal processing device
Put connected.
In the present embodiment, described vibration measurement sensor is eddy current sensor.Described signal processing
It is anti-aliasing that device includes that the vibration signal detecting described vibration measurement sensor is filtered
Wave filter and convert analog signals into the A/D converter of digital signal, described anti-aliasing filter
Ripple device, A/D converter are arranged between described vibration measurement sensor and TDM system.
Described orthogonal x is to being external with y to vibration measurement sensor, and respectively
Directly it is connected with external TDM system.
In the present embodiment, during and Unit Commitment machine properly functioning at unit, by senior middle school
On pressure rotor two spring bearing, the most in 90 ° two eddy current sensor and fore-lying device are installed, right
The vibrational state of High inter case carries out real time on-line monitoring and historical data delivers to TDM system,
By carrying out vibration data relative analysis with off-line instrument, accurately judge the state of High inter case,
Utilize compressor emergency shutdown chance, in conjunction with the vibration historical data of High inter case, to High inter case
Carry out dynamic balancing, during reducing dynamic balancing of hydropower unit, control the red switch number of times of unit.
Embodiment 2
The present embodiment Turbo-generator Set High inter case dynamic balancing optimizes device, with embodiment 1
The difference is that only, described orthogonal x to y to vibration measurement sensor is
Built-in, and be connected with TDM system by respective preamplifier respectively.
Turbo-generator Set High inter case dynamic balancing in above-described embodiment optimizes the reality of device
Applying method, described method specifically includes: TDM system debug stage and the detection of TDM system
Stage, wherein TDM system debug stage, including:
S1 off-line instrument, TDM system are connected with signal processing apparatus respectively, obtain height respectively
The vibration data of the High inter case under the different operating state of middle pressure rotor；
The vibration data of the High inter case that off-line instrument is obtained by S2 obtains with TDM system
The vibration data of High inter case takes difference,
If this difference is in predetermined threshold range, do not process；
If this difference is beyond in predetermined threshold range, then adjust the operational factor of TDM system,
Repeat the above steps S1, S2；
TDM system detection-phase, including: utilize two at High inter case two spring bearing
Individual vibration measurement sensor the most in 90 ° is monitored the vibration data of High inter case in real time and send
To TDM system, determine vibration data and the state of High inter case, utilize compressor emergency shutdown machine
High inter case can be carried out spot dynamic balance.
Embodiment 3
The present embodiment Turbo-generator Set High inter case dynamic balancing optimizes device, in embodiment 1
On the basis of, the spring bearing of described High inter case is provided with reference marker, reference marker with
The phase demodulation sensor of rotor relevant position is corresponding, and phase demodulation sensor is connected with TDM system.
Described phase demodulation sensor is current vortex sensor or photoelectric sensor；The reference marker of described correspondence
For groove or cursor.
In the present embodiment, the spring bearing of High inter case is provided with reference marker, with reference to mark
Remembering corresponding with the phase demodulation sensor of the spring bearing relevant position of High inter case, phase demodulation senses
Device is connected with TDM system.Described phase demodulation sensor is current vortex sensor or photoelectric sensor；
The reference marker of described correspondence is groove or cursor.Phase information have distinctness physical meaning and
Directivity, phase place (poor) change again can be according to concrete frame for movement or physical media by clearly
Clear division, therefore, phase contrast analysis can be as " visualization " work of turbine rotator breakdown diagnosis
Tool；By dissecting phase contrast can find out rapidly whether there is phase interference between signal, it is thus possible to more
Add the character determining vibration fault quickly and accurately, take correct measure to vibration fault in time
It is controlled and/or processes, being prevented effectively from operation operation and the failure propagation of mistake, significantly
Reduce troubleshooting cost；Equipment accurately also can be made by the analysis of phase contrast variation tendency
Vibration fault early warning, such as, if finding there is obvious variation tendency, even if now in phase contrast
Vibration amplitude is still the most abnormal, also should search reason in time, take suitable treatment measures,
Do not wait until that amplitude increases suddenly and cause device damage or disorderly closedown, thus effectively take precautions against pernicious
The generation of equipment breakdown.
The above is only preferred implementation of the present utility model, is not limited to this practicality
Novel, it is noted that for those skilled in the art, without departing from this
On the premise of utility model know-why, it is also possible to make some improvement and modification, these improve
Also protection domain of the present utility model is should be regarded as with modification.
Claims (8)
1. a Turbo-generator Set High inter case dynamic balancing optimizes device, it is characterised in that
Including: the High inter case of Driven by Coaxial, low pressure rotor, generator amature, described high pressure
Be mutually perpendicular on the spring bearing of rotor x to y to being provided with vibration measurement sensor, also wrap
Include the signal processing apparatus being connected with described vibration measurement sensor and described signal processing device
Put the TDM system of connection, the vibration number that vibrating sensor is gathered by described signal processing apparatus
According to inputting after processing to TDM system, described TDM system connects according to TDM system
The High inter case vibration data of system output analyzes the vibrations analyzer of rotor vibrations fault, described
TDM system stores High inter case history vibration data and obtains the real-time of High inter case
Vibration data, storage；
Also include that off-line instrument, described off-line instrument are connected with described signal processing apparatus.
Turbo-generator Set High inter case dynamic balancing the most according to claim 1 optimizes
Device, it is characterised in that described vibration measurement sensor is eddy current sensor.
Turbo-generator Set High inter case dynamic balancing the most according to claim 1 optimizes
Device, it is characterised in that described signal processing apparatus includes examining described vibration measurement sensor
The frequency overlapped-resistable filter that the vibration signal surveyed is filtered, described frequency overlapped-resistable filter is arranged on institute
State between vibration measurement sensor and TDM system.
Turbo-generator Set High inter case dynamic balancing the most according to claim 3 optimizes
Device, it is characterised in that described signal processing apparatus also includes being connected to described vibration measurement
Sensor and the A/D converter of TDM system.
Turbo-generator Set High inter case dynamic balancing the most according to claim 1 optimizes
Device, it is characterised in that described orthogonal x to y to vibration measurement sensor is
Built-in, and be connected with TDM system by respective preamplifier respectively.
Turbo-generator Set High inter case dynamic balancing the most according to claim 1 optimizes
Device, it is characterised in that described orthogonal x to y to vibration measurement sensor is
External, and be directly connected with external TDM system respectively.
Turbo-generator Set High inter case dynamic balancing the most according to claim 1 optimizes
Device, it is characterised in that the spring bearing of described High inter case is provided with reference marker, ginseng
Examine labelling corresponding with the phase demodulation sensor of rotor relevant position, phase demodulation sensor and TDM system
System connects.
Turbo-generator Set High inter case dynamic balancing the most according to claim 7 optimizes
Device, it is characterised in that described phase demodulation sensor is current vortex sensor or photoelectric sensor；
The reference marker of described correspondence is groove or cursor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389192.4U CN205593707U (en) | 2016-05-03 | 2016-05-03 | Turbo generator set high -and medium -voltage rotor dynamic balance optimizing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389192.4U CN205593707U (en) | 2016-05-03 | 2016-05-03 | Turbo generator set high -and medium -voltage rotor dynamic balance optimizing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205593707U true CN205593707U (en) | 2016-09-21 |
Family
ID=56933486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620389192.4U Expired - Fee Related CN205593707U (en) | 2016-05-03 | 2016-05-03 | Turbo generator set high -and medium -voltage rotor dynamic balance optimizing apparatus |
Country Status (1)
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| CN (1) | CN205593707U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865713A (en) * | 2016-05-03 | 2016-08-17 | 大唐东北电力试验研究所有限公司 | Dynamic balance optimizing device and method for high-medium-pressure rotor of steam turbine generator unit |
| CN107861913A (en) * | 2017-10-30 | 2018-03-30 | 大唐东北电力试验研究所有限公司 | The method that Turbo-generator Set heat consumption rate is reduced based on differential deviation method |
| CN108444710A (en) * | 2018-05-02 | 2018-08-24 | 中车永济电机有限公司 | A kind of train traction motor bearing life testing machine |
-
2016
- 2016-05-03 CN CN201620389192.4U patent/CN205593707U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865713A (en) * | 2016-05-03 | 2016-08-17 | 大唐东北电力试验研究所有限公司 | Dynamic balance optimizing device and method for high-medium-pressure rotor of steam turbine generator unit |
| CN107861913A (en) * | 2017-10-30 | 2018-03-30 | 大唐东北电力试验研究所有限公司 | The method that Turbo-generator Set heat consumption rate is reduced based on differential deviation method |
| CN107861913B (en) * | 2017-10-30 | 2021-01-05 | 大唐东北电力试验研究所有限公司 | Method for reducing heat consumption rate of steam turbine generator unit based on differential deviation method |
| CN108444710A (en) * | 2018-05-02 | 2018-08-24 | 中车永济电机有限公司 | A kind of train traction motor bearing life testing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20180503 |