CN217560856U - On-line monitoring device for pressure loss of combustion chamber of gas turbine - Google Patents
On-line monitoring device for pressure loss of combustion chamber of gas turbine Download PDFInfo
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- CN217560856U CN217560856U CN202221529067.0U CN202221529067U CN217560856U CN 217560856 U CN217560856 U CN 217560856U CN 202221529067 U CN202221529067 U CN 202221529067U CN 217560856 U CN217560856 U CN 217560856U
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- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model relates to an on-line monitoring device of gas turbine combustion chamber pressure loss, the device is including setting up high temperature resistance pressure measurement module, signal conditioning module, multichannel's signal acquisition module, data processing module and the alarm module on being surveyed module measurement station position, being surveyed the module and including compressor and combustion chamber, high temperature resistance pressure measurement module be connected with signal conditioning module, signal conditioning module be connected with multichannel's signal acquisition module, multichannel's signal acquisition module be connected with data processing module, data processing module link to each other with alarm module and factory DCS system respectively. Compared with the prior art, the utility model has the advantages of realize online monitoring to gas turbine combustion chamber pressure loss.
Description
Technical Field
The utility model belongs to the technical field of the gas turbine technique and specifically relates to an on-line monitoring device of gas turbine combustion chamber pressure loss is related to.
Background
The gas turbine is composed of three parts, namely a gas compressor, a combustion chamber and a turbine, wherein the combustion chamber takes air compressed by the gas compressor as a combustion medium for combustion, the generated high-temperature and high-pressure steam is sent to the turbine, and in the long-term service process of the gas turbine, corresponding parts of the combustion chamber work in the environment and are inevitably worn or aged, so that the combustion is unstable, the normal operation of the gas turbine is influenced, and even accidents such as shutdown and the like occur.
The pressure loss of the combustion chamber of the gas turbine can be monitored not only as one of the conditions for evaluating the components of the combustion chamber, but also has a very important significance for guaranteeing the normal operation of the gas turbine.
In the prior published patent, no relevant device for monitoring the pressure loss of the combustion chamber of the gas turbine exists, so that the proposed monitoring device can automatically monitor the pressure loss of the combustion chamber of the gas turbine, and can send out an alarm in time when the monitored value of the pressure loss exceeds a set value, which has important significance for the efficient and safe operation of the gas turbine.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an online monitoring device of gas turbine combustion chamber pressure loss for overcoming the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides an on-line monitoring device of gas turbine combustion chamber pressure loss, the device is including setting up high temperature resistance pressure measurement module, signal conditioning module, multichannel signal acquisition module, data processing module and the alarm module on being surveyed module measurement station position, being surveyed the module and including compressor and combustion chamber, high temperature resistance pressure measurement module be connected with signal conditioning module, signal conditioning module be connected with multichannel signal acquisition module, multichannel signal acquisition module be connected with data processing module, data processing module link to each other with alarm module and factory DCS system respectively.
The high-temperature-resistant pressure measurement module comprises a high-temperature-resistant compressor outlet pressure measurement module for acquiring compressor outlet pressure, a high-temperature-resistant combustion chamber inlet pressure measurement module for acquiring combustion chamber inlet pressure and a high-temperature-resistant combustion chamber outlet pressure measurement module for acquiring combustion chamber outlet pressure, wherein the high-temperature-resistant compressor outlet pressure measurement module, the high-temperature-resistant combustion chamber inlet pressure measurement module and the high-temperature-resistant combustion chamber outlet pressure measurement module are all composed of a high-temperature-resistant pressure sensor box body and a pressure sensor.
The high-temperature-resistant pressure sensor box body and the pressure sensor are arranged at a preset interval, and the interval is adjusted through threads.
The inner wall of the box body of the high-temperature resistant pressure sensor is coated with a heat insulation layer for prolonging the service life of the pressure sensor.
The pressure sensor adopts a silicon piezoresistive pressure oil-filled core body, and the model number of the core body is SIN-P300G.
The high-temperature-resistant gas compressor outlet pressure measuring module is arranged at a gas compressor outlet measuring point position, the high-temperature-resistant combustion chamber inlet pressure measuring module is arranged at a combustion chamber inlet measuring point position, and the high-temperature-resistant combustion chamber outlet pressure measuring module is arranged at a combustion chamber outlet measuring point position.
The signal conditioning module comprises a compressor outlet pressure signal conditioner, a combustion chamber inlet pressure signal conditioner and a combustion chamber outlet pressure signal conditioner, the compressor outlet pressure signal conditioner is connected with the high-temperature-resistant compressor outlet pressure measuring module, the combustion chamber inlet pressure signal conditioner is connected with the high-temperature-resistant combustion chamber inlet pressure measuring module, and the combustion chamber outlet pressure signal conditioner is connected with the high-temperature-resistant combustion chamber outlet pressure measuring module.
The multichannel signal acquisition module is a multichannel signal acquisition device which is used for converting electric signals from the combustion chamber inlet pressure signal conditioner and the combustion chamber outlet pressure signal conditioner into digital signals through Fourier transform.
The data processing module is a signal processor used for calculating, storing and displaying the pressure loss of the combustion chamber of the gas turbine and the alarm module sends out an alarm.
The alarm module is an alarm used for comparing the calculation result of the signal processor with a set value.
Compared with the prior art, the utility model discloses has with following beneficial effect:
1. the design of the utility model can realize the online monitoring of the pressure loss of the combustion chamber of the gas turbine, when the calculation result is not within the range of the set value, the alarm sends out alarm information to protect the corresponding parts of the combustion chamber from being damaged due to the large pressure pulsation, thereby ensuring the normal operation of the gas turbine;
2. the utility model has simple design and easy realization, finally transmits the data into the DCS library, realizes the backup and storage of the pressure loss data of the gas turbine and provides valuable data for the combustion adjustment of the gas turbine;
3. the utility model discloses a sensor box body inner wall scribbles the insulating layer to the life of extension sensor.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the present invention.
Reference numerals are as follows: 10. the device comprises a high-temperature-resistant pressure measuring module, 20, a signal conditioning module, 30, a multi-channel signal acquisition module, 40, a data processing module, 50, an alarm module, 101, a compressor outlet pressure measuring module, 102, a high-temperature-resistant combustion chamber inlet pressure measuring module, 103, a high-temperature-resistant combustion chamber outlet pressure measuring module, 201, a compressor outlet pressure signal conditioner, 202, a combustion chamber inlet pressure signal conditioner, 203, a combustion chamber outlet pressure signal conditioner, 301, a multi-channel signal collector, 401, a signal processor, 501, an alarm, 601, a factory DCS database, 7, a compressor, 8, a combustion chamber, 9 and a turbine.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-2, the utility model provides an on-line monitoring device of gas turbine combustion chamber pressure loss, the device is including setting up the high temperature resistant pressure measurement module 10 on being surveyed module measurement station position, signal conditioning module 20, multichannel signal acquisition module 30, data processing module 40 and alarm module 50, high temperature resistant pressure measurement module 10 is connected with signal conditioning module 20, signal conditioning module 20 is connected with multichannel signal acquisition module 30, multichannel signal acquisition module 30 is connected with data processing module 40, data processing module 40 links to each other with alarm module 50 and factory DCS system 601 respectively, it includes compressor 7 and combustion chamber 8 to be surveyed the module, compressor 7 and combustion chamber 8 are connected with turbine 9 respectively.
The high-temperature-resistant pressure measurement module 10 includes a high-temperature-resistant compressor outlet pressure measurement module 101, a high-temperature-resistant combustor inlet pressure measurement module 102, and a high-temperature-resistant combustor outlet pressure measurement module 103.
The high-temperature-resistant compressor outlet pressure measuring module 101, the high-temperature-resistant combustor inlet pressure measuring module 102 and the high-temperature-resistant combustor outlet pressure measuring module 103 are all configured identically and comprise a high-temperature-resistant pressure sensor box body and a pressure sensor, a preset distance exists between the high-temperature-resistant pressure sensor box body and the pressure sensor and is adjusted through threads, a heat insulation layer is coated on the inner wall of the high-temperature-resistant pressure sensor box body to effectively prolong the service life of the pressure sensor, the pressure sensor is SIN-P300G, a high-performance silicon piezoresistive pressure oil-filled core is adopted, the high-temperature-resistant combustor inlet pressure measuring module has the advantages of small size and light weight, and the high-temperature-resistant combustor inlet pressure measuring module can also work in a high-temperature environment.
The high-temperature-resistant compressor outlet pressure measuring module 101 is arranged at the position of an outlet measuring point of the compressor 7 to obtain the pressure of the compressor outlet; the high-temperature-resistant combustion chamber inlet pressure measuring module 102 is arranged at the position of an inlet measuring point of the combustion chamber 8 to obtain the pressure at the inlet of the combustion chamber; the high-temperature-resistant combustion chamber outlet pressure measuring module 103 is installed at the position of an outlet measuring point of the combustion chamber 8 to acquire the pressure at the outlet of the combustion chamber.
The signal conditioning module 20 includes a compressor outlet pressure signal conditioner 201, a combustor inlet pressure signal conditioner 202 and a combustor outlet pressure signal conditioner 203, which are respectively connected to the high temperature resistant compressor outlet pressure measuring module 101, the high temperature resistant combustor inlet pressure measuring module 102 and the high temperature resistant combustor outlet pressure measuring module 103, so as to amplify, filter and reduce noise of the acquired electrical signals, and transmit the electrical signals to the multi-channel signal acquisition module 30.
The multi-channel signal acquisition module 30 is a multi-channel signal acquisition unit 301 for converting the electrical signals from the combustor inlet pressure signal conditioner 202 and the combustor outlet pressure signal conditioner 203 into digital signals through fourier transform, and transmitting the digital signals to the data processing module 40.
The data processing module 40 is a signal processor 401, calculates the pressure loss of the combustion chamber of the gas turbine, stores and displays the calculation result, the signal processor 401 is respectively connected with the alarm module 50 and the plant DCS system 601, and finally transmits the data into the DCS library, so that the real-time monitoring of the pressure loss of the combustion chamber of the gas turbine and the uploading and backup of daily data are realized.
The pressure loss of the combustion chamber of the gas turbine is calculated by the following formula:
wherein p is b,in Is the pressure at the inlet of the combustion chamber, p b,out Pressure at the outlet of the combustion chamber, p c,out The inlet pressure of the compressor.
The alarm module 50 is an alarm 501, which is used to compare the calculation result of the signal processor 401 with a set value, and when the calculation result is not within the set value range, the signal processor 401 controls the alarm 501 to give an alarm to remind an operator of the gas turbine to perform related operations.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides an online monitoring device of gas turbine combustion chamber pressure loss, its characterized in that, the device is including setting up high temperature resistance pressure measurement module (10), signal conditioning module (20), multichannel signal acquisition module (30), data processing module (40) and alarm module (50) on being surveyed module measurement point position, the module of being surveyed include compressor (7) and combustion chamber (8), high temperature resistance pressure measurement module (10) be connected with signal conditioning module (20), signal conditioning module (20) be connected with multichannel signal acquisition module (30), multichannel signal acquisition module (30) be connected with data processing module (40), data processing module (40) link to each other with alarm module (50) and factory DCS system (601) respectively.
2. The on-line monitoring device for the pressure loss of the combustion chamber of the gas turbine as claimed in claim 1, wherein the high temperature resistant pressure measuring module (10) comprises a high temperature resistant compressor outlet pressure measuring module (101) for obtaining the outlet pressure of the compressor (7), a high temperature resistant combustion chamber inlet pressure measuring module (102) for obtaining the inlet pressure of the combustion chamber (8) and a high temperature resistant combustion chamber outlet pressure measuring module (103) for obtaining the outlet pressure of the combustion chamber (8), and the high temperature resistant compressor outlet pressure measuring module (101), the high temperature resistant combustion chamber inlet pressure measuring module (102) and the high temperature resistant combustion chamber outlet pressure measuring module (103) are all composed of a high temperature resistant pressure sensor box and a pressure sensor.
3. The device for on-line monitoring of the pressure loss of the combustion chamber of the gas turbine as claimed in claim 2, wherein a preset distance exists between the high temperature resistant pressure sensor box body and the pressure sensor, and the distance is adjusted through threads.
4. The device for on-line monitoring of the pressure loss of the combustion chamber of the gas turbine as claimed in claim 3, wherein the inner wall of the box body of the high temperature resistant pressure sensor is coated with a heat insulating layer for prolonging the service life of the pressure sensor.
5. The on-line monitoring device for the pressure loss of the combustion chamber of the gas turbine as claimed in claim 3, wherein the pressure sensor is a silicon piezoresistive pressure oil-filled core of type SIN-P300G.
6. The on-line monitoring device for the pressure loss of the combustion chamber of the gas turbine as claimed in claim 2, characterized in that the high temperature resistant compressor outlet pressure measuring module (101) is installed at the outlet measuring point position of the compressor (7), the high temperature resistant combustion chamber inlet pressure measuring module (102) is installed at the inlet measuring point position of the combustion chamber (8), and the high temperature resistant combustion chamber outlet pressure measuring module (103) is installed at the outlet measuring point position of the combustion chamber (8).
7. The online monitoring device for the pressure loss of the combustion chamber of the gas turbine as claimed in claim 2, wherein the signal conditioning module (20) comprises a compressor outlet pressure signal conditioner (201), a combustion chamber inlet pressure signal conditioner (202) and a combustion chamber outlet pressure signal conditioner (203), the compressor outlet pressure signal conditioner (201) is connected with the high temperature resistant compressor outlet pressure measuring module (101), the combustion chamber inlet pressure signal conditioner (202) is connected with the high temperature resistant combustion chamber inlet pressure measuring module (102), and the combustion chamber outlet pressure signal conditioner (203) is connected with the high temperature resistant combustion chamber outlet pressure measuring module (103).
8. The on-line monitoring device for the pressure loss of the combustion chamber of the gas turbine as claimed in claim 7, wherein the multi-channel signal acquisition module (30) is a multi-channel signal collector (301) for converting the electrical signals from the combustion chamber inlet pressure signal conditioner (202) and the combustion chamber outlet pressure signal conditioner (203) into digital signals through Fourier transform.
9. The on-line monitoring device for the pressure loss of the gas turbine combustor according to claim 8, wherein the data processing module (40) is a signal processor (401) for calculating, storing and displaying the pressure loss of the gas turbine combustor and an alarm module (50) for giving an alarm.
10. The on-line monitoring device for the pressure loss of the combustion chamber of the gas turbine as claimed in claim 9, wherein the alarm module (50) is an alarm (501) for comparing the calculation result of the signal processor (401) with a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221529067.0U CN217560856U (en) | 2022-06-16 | 2022-06-16 | On-line monitoring device for pressure loss of combustion chamber of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221529067.0U CN217560856U (en) | 2022-06-16 | 2022-06-16 | On-line monitoring device for pressure loss of combustion chamber of gas turbine |
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| Publication Number | Publication Date |
|---|---|
| CN217560856U true CN217560856U (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221529067.0U Active CN217560856U (en) | 2022-06-16 | 2022-06-16 | On-line monitoring device for pressure loss of combustion chamber of gas turbine |
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| CN (1) | CN217560856U (en) |
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2022
- 2022-06-16 CN CN202221529067.0U patent/CN217560856U/en active Active
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Inventor after: Wu Gongbao Inventor after: Jiang Zhihui Inventor after: Li Chaowen Inventor after: Cheng Xiao Inventor after: Wang Youbin Inventor after: Chen Shixiong Inventor after: Song Jian Inventor after: Chen Yan Inventor after: Duan Xinping Inventor before: Wu Gongbao Inventor before: Jiang Zhihui Inventor before: Li Chaowen Inventor before: Cheng Xiao Inventor before: Wang Youbin Inventor before: Chen Shixiong Inventor before: Song Jian Inventor before: Chen Yan Inventor before: Duan Xinping |