CN111948997A - System and method for evaluating running state of rotating equipment for power plant - Google Patents
System and method for evaluating running state of rotating equipment for power plant Download PDFInfo
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- CN111948997A CN111948997A CN202010832437.7A CN202010832437A CN111948997A CN 111948997 A CN111948997 A CN 111948997A CN 202010832437 A CN202010832437 A CN 202010832437A CN 111948997 A CN111948997 A CN 111948997A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000010687 lubricating oil Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 20
- 238000011156 evaluation Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 2
- 238000011158 quantitative evaluation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41845—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33273—DCS distributed, decentralised controlsystem, multiprocessor
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention discloses a system and a method for evaluating the running state of rotating equipment for a power plant, which comprises a memory, a data processor, a data acquisition module, a vibration sensor, a bearing temperature sensor, a lubricating oil temperature and pressure sensor, a sealing water flow, a pressure and temperature sensor, a motor winding temperature sensor and a motor current sensor, wherein the vibration sensor, the bearing temperature sensor, the lubricating oil temperature and pressure sensor, the sealing water flow, the pressure and temperature sensor, the motor winding temperature sensor and the motor current sensor are arranged on the rotating equipment, the output ends of the vibration sensor, the bearing temperature sensor, the lubricating oil temperature and pressure sensor, the sealing water flow, the pressure and temperature sensor, the motor winding temperature sensor and the motor current sensor are connected with the data acquisition module, and the data processor is connected with the memory and the data acquisition module.
Description
Technical Field
The invention belongs to the technical field of evaluation and maintenance diagnosis of the operating state of rotating equipment of a power plant, and relates to a system and a method for evaluating the operating state of the rotating equipment of the power plant.
Background
At present, a power plant generally uses a Distributed Control System (DCS) to continuously monitor the running state of rotating equipment, the rotating equipment in running is generally monitored and protected on line by adopting analog quantity or switching value, and whether the running state of the equipment is normal or not is prompted by setting certain parameter alarm or protection action fixed value, so that the purposes of prompting operating personnel and protecting the equipment are achieved. The disadvantages of this approach are the following three points: firstly, judging whether a certain parameter of the rotating equipment is qualified or unqualified according to an alarm fixed value, and lacking an evaluation mechanism for whether the running condition of the parameter of the rotating equipment is stable or deteriorated; secondly, the quantitative evaluation of the whole running state of the rotating equipment is lacked; thirdly, the fault of the rotating equipment is not determined in a prospective mode, the rotating equipment is prepared for maintenance after the fault alarm occurs, and the action has hysteresis.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a system and a method for evaluating the running state of rotating equipment for a power plant, which can evaluate the running state of the rotating equipment.
In order to achieve the above purpose, the system for evaluating the operating state of the rotating equipment for the power plant comprises a memory, a data processor, a data acquisition module, and a vibration sensor, a bearing temperature sensor, a lubricating oil temperature and pressure sensor, a sealing water flow, a pressure and temperature sensor, a motor winding temperature sensor and a motor current sensor which are arranged on the rotating equipment, wherein the output ends of the vibration sensor, the bearing temperature sensor, the lubricating oil temperature and pressure sensor, the sealing water flow, the pressure and temperature sensor, the motor winding temperature sensor and the motor current sensor are connected with the data acquisition module, and the data processor is connected with the memory and the data acquisition module.
And the display is connected with the data processor.
A method for evaluating the running state of rotating equipment for a power plant comprises the following steps: the data acquisition module respectively acquires vibration information and temperature information of the rotating equipment, temperature and pressure information of the lubricating oil, flow, pressure and temperature information of sealing water, temperature information of a motor winding and flow information of the motor through the vibration sensor, the bearing temperature sensor, the lubricating oil temperature and pressure sensor, the sealing water flow, the pressure and temperature information, the motor winding temperature information and the motor current sensor, and the data processor compares the vibration information and the temperature information of the converting equipment, the lubricating oil temperature and pressure information, the sealing water flow, the pressure and temperature information, the motor winding temperature information and the motor flow information which are acquired by the data acquisition module with historical operating parameters and operating states of the rotating equipment stored in the memory to evaluate the current operating state of the rotating equipment.
And displaying the current running state of the rotating equipment.
The invention has the following beneficial effects:
when the system and the method for evaluating the running state of the rotating equipment for the power plant are specifically operated, the vibration information and the temperature information of the conversion equipment, the temperature and the pressure information of lubricating oil, the flow rate of sealing water, the pressure and the temperature information, the temperature information of a motor winding and the flow rate information of a motor, which are obtained by the data acquisition module, are compared with the historical running parameters and the running state of the rotating equipment, which are stored in the memory, so that the running state of the current rotating equipment is evaluated, the stability or the deterioration of the running working condition of the equipment is effectively monitored and evaluated before the fault alarm of the rotating equipment occurs, and a prospective reference is provided for operators and maintenance personnel to evaluate the running performance of the rotating equipment of the power plant.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a rotating device, 2 is a vibration sensor, 3 is a bearing temperature sensor, 4 is a lubricating oil temperature and pressure sensor, 5 is a sealing water flow, a pressure and temperature sensor, 6 is a motor winding temperature sensor, 7 is a motor current sensor, 8 is a data acquisition module, 9 is a display, 10 is a memory, and 11 is a data processor.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the system for evaluating the operating state of the rotating equipment for the power plant according to the present invention includes a memory 10, a data processor 11, a data acquisition module 8, and a vibration sensor 2, a bearing temperature sensor 3, a lubricating oil temperature and pressure sensor 4, a sealing water flow, pressure and temperature sensor 5, a motor winding temperature sensor 6 and a motor current sensor 7 which are disposed on the rotating equipment 1, wherein output ends of the vibration sensor 2, the bearing temperature sensor 3, the lubricating oil temperature and pressure sensor 4, the sealing water flow, pressure and temperature sensor 5, the motor winding temperature sensor 6 and the motor current sensor 7 are connected to the data acquisition module 8, the data processor 11 is connected to the memory 10 and the data acquisition module 8, and the present invention further includes a display 9 connected to the data processor 11.
The method for evaluating the running state of the rotating equipment for the power plant comprises the following steps: the data acquisition module 8 respectively acquires vibration information and temperature information of the rotating equipment 1, temperature and pressure information of lubricating oil, flow rate, pressure and temperature information of sealing water, temperature information of a motor winding and flow rate information of a motor through the vibration sensor 2, the bearing temperature sensor 3, the lubricating oil temperature and pressure sensor 4, the sealing water flow rate, the pressure and temperature sensor 5, the motor winding temperature sensor 6 and the motor current sensor 7, the data processor 11 compares the vibration information and temperature information of the converting equipment, the lubricating oil temperature and pressure information, the flow rate, the pressure and temperature information of the sealing water, the motor winding temperature information and the motor flow rate information acquired by the data acquisition module 8 with historical operating parameters and operating states of the rotating equipment 1 stored in the memory 10 to evaluate the current operating state of the rotating equipment 1, and displays the current running state of the rotating equipment 1 and gives an evaluation result and a maintenance suggestion.
The invention utilizes a big data method to carry out real-time quantitative evaluation on the single parameter or the whole operation condition of the rotating equipment 1, when the device is actually applied, the reference data of the rotating equipment 1 and the corresponding historical operation data can be stored in the memory 10, then the data detected on site are compared with the data stored in the memory 10 to evaluate the current operation state of the rotating equipment 1, and the evaluation result and the maintenance suggestion are displayed, so that before the fault alarm of the rotating equipment 1 occurs, the stability or the deterioration of the operation condition of the equipment can be effectively monitored and evaluated, and the prospective reference is provided for the operators and the maintenance personnel to evaluate the operation performance of the rotating equipment 1 of the power plant.
Claims (4)
1. The utility model provides a power plant is with rotary equipment running state evaluation system, its characterized in that includes memory (10), data processor (11), data acquisition module (8) and sets up vibration sensor (2), bearing temperature sensor (3), lubricating oil temperature and pressure sensor (4), sealing water flow, pressure and temperature sensor (5), motor winding temperature sensor (6) and motor current sensor (7) on rotary equipment (1). The output ends of the vibration sensor (2), the bearing temperature sensor (3), the lubricating oil temperature and pressure sensor (4), the sealing water flow, the pressure and temperature sensor (5), the motor winding temperature sensor (6) and the motor current sensor (7) are connected with the data acquisition module (8), and the data processor (11) is connected with the memory (10) and the data acquisition module (8).
2. A power plant rotary equipment operating condition evaluation system according to claim 1, characterized by further comprising a display (9) to which the data processor (11) is connected.
3. A method for evaluating the running state of rotating equipment for a power plant is characterized by comprising the following steps: the data acquisition module (8) respectively acquires vibration information and temperature information of the rotary equipment (1), temperature and pressure information of lubricating oil, flow rate and temperature information of sealing water, temperature information of a motor winding and flow rate information of a motor through the vibration sensor (2), the bearing temperature sensor (3), the lubricating oil temperature and pressure sensor (4), the sealing water flow rate, the pressure and temperature sensor (5), the motor winding temperature sensor (6) and the motor current sensor (7), the data processor (11) compares the vibration information and temperature information of the conversion equipment, the temperature and pressure information of the lubricating oil, the flow rate and pressure and temperature information of the sealing water, the temperature information of the motor winding and the current information of the motor which are acquired by the data acquisition module (8) with historical operating parameters and operating states of the rotary equipment (1) stored in the memory (10), to evaluate the current operating state of the rotating device (1).
4. A power plant rotary equipment operation state evaluation method according to claim 3, characterized by further comprising displaying the evaluation result of the current rotary equipment (1) operation state and the repair advice in a display (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010832437.7A CN111948997A (en) | 2020-08-18 | 2020-08-18 | System and method for evaluating running state of rotating equipment for power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010832437.7A CN111948997A (en) | 2020-08-18 | 2020-08-18 | System and method for evaluating running state of rotating equipment for power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111948997A true CN111948997A (en) | 2020-11-17 |
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ID=73343107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010832437.7A Pending CN111948997A (en) | 2020-08-18 | 2020-08-18 | System and method for evaluating running state of rotating equipment for power plant |
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| Country | Link |
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| CN (1) | CN111948997A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203146297U (en) * | 2012-10-29 | 2013-08-21 | 中国石油化工股份有限公司 | Monitoring device of rotating equipment |
| CN109387243A (en) * | 2018-09-12 | 2019-02-26 | 成都安尔法智控科技有限公司 | Rotary equipment bearings vibration temperature wireless monitor early warning system and monitoring method |
| CN110160813A (en) * | 2019-05-22 | 2019-08-23 | 湃方科技(北京)有限责任公司 | Monitoring state of rotating equipment method and device |
| JP6644221B2 (en) * | 2017-09-29 | 2020-02-12 | サノシーテック株式会社 | Monitoring device for rotating equipment and plant maintenance method using the same |
| CN210346901U (en) * | 2019-09-25 | 2020-04-17 | 优博泰克(北京)科技有限公司 | Vibration monitoring device for rotating equipment |
| CN210775540U (en) * | 2019-11-06 | 2020-06-16 | 潍坊康吉诺电子科技有限公司 | Diagnosis and collection device for rotating equipment |
| CN111399413A (en) * | 2020-03-25 | 2020-07-10 | 杭州哲达科技股份有限公司 | All-in-one machine device and method for monitoring running state of rotating equipment |
| KR102138279B1 (en) * | 2019-11-28 | 2020-07-28 | (주)위세아이텍 | Apparatus and method for monitoring vibration of rotating equipment based on deep learning time series analysis |
-
2020
- 2020-08-18 CN CN202010832437.7A patent/CN111948997A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203146297U (en) * | 2012-10-29 | 2013-08-21 | 中国石油化工股份有限公司 | Monitoring device of rotating equipment |
| JP6644221B2 (en) * | 2017-09-29 | 2020-02-12 | サノシーテック株式会社 | Monitoring device for rotating equipment and plant maintenance method using the same |
| CN109387243A (en) * | 2018-09-12 | 2019-02-26 | 成都安尔法智控科技有限公司 | Rotary equipment bearings vibration temperature wireless monitor early warning system and monitoring method |
| CN110160813A (en) * | 2019-05-22 | 2019-08-23 | 湃方科技(北京)有限责任公司 | Monitoring state of rotating equipment method and device |
| CN210346901U (en) * | 2019-09-25 | 2020-04-17 | 优博泰克(北京)科技有限公司 | Vibration monitoring device for rotating equipment |
| CN210775540U (en) * | 2019-11-06 | 2020-06-16 | 潍坊康吉诺电子科技有限公司 | Diagnosis and collection device for rotating equipment |
| KR102138279B1 (en) * | 2019-11-28 | 2020-07-28 | (주)위세아이텍 | Apparatus and method for monitoring vibration of rotating equipment based on deep learning time series analysis |
| CN111399413A (en) * | 2020-03-25 | 2020-07-10 | 杭州哲达科技股份有限公司 | All-in-one machine device and method for monitoring running state of rotating equipment |
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Application publication date: 20201117 |
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