Health management evaluation system and method for pipeline combustion compressor unit
Technical Field
The invention relates to the technical field of pipeline fault detection, in particular to a health management evaluation system and method for a pipeline combustion-driven compressor unit.
Background
The industrial light gas turbine has the characteristics of high power density, high efficiency and high starting speed, is ideal power equipment driven by industrial equipment, and is widely applied to the natural gas pressurizing and conveying industry. The gas turbine is used as a rotating part, the rotating speed is frequently changed, the transmission parts are more, the structure is complex, and the difficulty is increased for daily operation and maintenance. The rotating parts such as the gas turbine bearing, the gear box and the blades are used as key parts of the pipeline combustion-driven compressor unit, and the normal operation state of the parts can directly influence the normal operation of the pipeline combustion-driven compressor unit, so that the early fault diagnosis and the fault prediction for the rotating parts such as the gas turbine bearing, the gear and the blades are very important. In order to avoid the accident of the gas turbine as much as possible, reduce the accident shutdown, reduce the maintenance cost, ensure the safe production and protect the environment, in particular to a health management evaluation method.
The health management technology is to judge and identify the working state and faults of the equipment according to the changes of physical parameters such as vibration, noise, temperature, pressure and the like which are necessarily generated along with the faults in the operation process of the equipment, and to forecast and identify the damage of the faults in early stage, so as to prevent the damage from happening in early stage, realize the predictive maintenance, ensure the safety, stability, long period and full-negative high-quality operation of the equipment, and avoid the uneconomical and unreasonable phenomena caused by excessive maintenance.
The Chinese patent (CN 201110402409.2) discloses a safety protector for a combustion-driven compressor unit, which aims at the defect that the whole safety protector is out of control if the control circuit fails because the safety protector for the combustion-driven compressor unit is provided with only one control circuit. The device comprises a main control circuit, a network transmission bus, a remote I/O control circuit and an isolator terminal board; the communication port of the main control circuit is connected with the remote I/O control circuit through a network transmission bus, the output ends of the digital signal and the analog signal of the isolator terminal board are connected with the corresponding signal input ends of the remote I/O control circuit, the remote I/O control circuit further comprises a redundancy control circuit, and the communication port of the redundancy control circuit is connected with the other communication port of the remote I/O control circuit through the network transmission bus. The device is used for ensuring the safe, reliable and stable operation of the combustion-driven compressor unit equipment.
The safety protector of the fuel-driven compressor unit can not detect and analyze the components and the overall performance of the fuel-driven compressor in real time, and can not predict and maintain.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a system and a method for health management and evaluation of a pipeline combustion compressor unit, which realize performance assessment test of an industrial light gas turbine before delivery, test run test before delivery after factory return maintenance, and gas generator component and overall performance assessment under the condition that a gas generator runs in an industrial field for a long time and the like, and reduce maintenance cost.
The invention provides a health management evaluation system of a pipeline combustion compressor unit, which comprises an airborne fault diagnosis system and a ground health management system, wherein the airborne fault diagnosis system is in signal connection with the ground health management system; the airborne fault diagnosis system comprises a data acquisition mechanism, a vibration sensor, a rotation speed sensor, a metal chip sensor, a temperature sensor and an adapter wire, wherein the vibration sensor, the rotation speed sensor, the metal chip sensor and the temperature sensor are connected with the data acquisition mechanism through the adapter wire; the ground health management system comprises ground health management software and a ground storage device.
The vibration sensor is arranged on a bearing, a gear box and blades in the gas turbine and is used for collecting information of the bearing, the gear box and the blades of the gas turbine.
The vibration sensor is an acceleration type vibration sensor. The acceleration type vibration sensor can measure acceleration, so that the acceleration in the rotation process of the bearing, the gear box and the blade can be mastered.
The rotating speed sensor is used for monitoring the real-time rotating speed of the compressor unit.
The metal chip sensor is arranged on a bearing in the gas turbine and is used for monitoring abrasion, stripping and fracture conditions of the bearing. And the wear debris is counted in real time.
The temperature sensor is arranged on a bearing in the gas turbine and is used for monitoring the temperature of lubricating oil at the end of the bearing.
The data acquisition mechanism is connected with the ground storage device through the wireless transmission terminal. Thereby realizing wireless transmission of data.
The data acquisition mechanism is connected with the ground storage equipment through a network cable. The wired transmission of data is realized.
The invention provides a health management evaluation method of a pipeline combustion compressor unit,
s1: the data acquisition mechanism sets a vibration alarm threshold, a rotation speed alarm threshold, a metal chip alarm threshold and a temperature alarm threshold;
s2: the data acquisition mechanism is used for collecting data detected by the vibration sensor, the rotating speed sensor, the metal chip sensor and the temperature sensor;
s3: the data acquisition mechanism analyzes and processes the collected data, wherein the data acquired by the vibration sensor and the data acquired by the rotation speed sensor and corresponding to the frequency of the rotation speed signal are used as vibration values, so that the interference of other signals can be avoided; s4: the data acquisition mechanism analyzes and processes the collected data and respectively compares the collected data with a vibration alarm threshold, a rotation speed alarm threshold, a metal chip alarm threshold and a temperature alarm threshold;
s5: the data acquisition mechanism analyzes and processes the data and transmits the data to the ground storage device and the ground health management software.
In the steps S4 and S5, the data acquisition mechanism analyzes and processes the collected data and then exceeds a vibration alarm threshold value or a rotation speed alarm threshold value or a metal chip alarm threshold value or a temperature alarm threshold value, and ground health management software sends out an alarm signal.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the vibration sensor, the rotating speed sensor, the metal chip sensor and the temperature sensor are arranged, so that the data of vibration, temperature, rotating speed and metal chip of the gas turbine are obtained, the industrial light gas turbine is subjected to multi-parameter and multi-dimensional monitoring and analysis through analysis and processing of the data acquisition mechanism, the fault diagnosis of mechanical rotating parts and non-rotating parts is realized, the fault positions are accurately positioned, and the fault conditions of the bearing, the gear, the blade and the shafting are quantitatively detected, including scratch, stripping, fracture and pitting corrosion of the outer ring, the inner ring, the roller and the retainer of the bearing; tooth breakage, crack, stripping and pitting of the gear; misalignment, imbalance and resonance of the shafting; the frame cracks and bolts are loosened; blade rub, crack, defect, etc., realize the pilot run test of performance examination before the factory of the industrial light-duty gas turbine, return to factory after maintaining and go back to the test run test before the factory and gas generator part and overall performance evaluation under the ring condition such as the long-time operation of the gas generator in the industrial field, thus reduce cost of maintenance.
2. According to the invention, the vibration alarm threshold, the rotation speed alarm threshold, the metal chip alarm threshold and the temperature alarm threshold are set for the data acquisition mechanism, so that early pre-alarm is sent out, false alarm is avoided, and the safe operation of monitored equipment is ensured.
Drawings
FIG. 1 is a schematic diagram of a system flow structure of the present invention.
In the figure 1, a vibration sensor; 2. a rotation speed sensor; 3. a metal chip sensor; 4. a temperature sensor; 5. a data acquisition mechanism; 6. ground health management system.
Detailed Description
The invention is further described below with reference to examples:
example 1
As shown in fig. 1, the health management evaluation system of the pipeline combustion compressor unit comprises an airborne fault diagnosis system and a ground health management system 6, wherein the airborne fault diagnosis system is in signal connection with the ground health management system 6; the airborne fault diagnosis system comprises a data acquisition mechanism 5, a vibration sensor 1, a rotating speed sensor 2, a metal chip sensor 3, a temperature sensor 4 and an adapter wire, wherein the vibration sensor 1, the rotating speed sensor 2, the metal chip sensor 3 and the temperature sensor 4 are connected with the data acquisition mechanism 5 through the adapter wire; the ground health management system 6 includes ground health management software and a ground storage device. The vibration sensor 1 is arranged on a bearing, a gear box and blades in the gas turbine and is used for collecting information of the bearing, the gear box and the blades of the gas turbine. The vibration sensor 1 is an acceleration type vibration sensor. The rotation speed sensor 2 is used for monitoring the real-time rotation speed of the compressor unit. The metal chip sensor 3 is provided on a bearing in the gas turbine for monitoring bearing scratch, peel and break conditions. The temperature sensor 4 is arranged on a bearing in the gas turbine and is used for monitoring the temperature of lubricating oil at the end of the bearing. The data acquisition mechanism 5 is connected with the ground storage device through a wireless transmission terminal.
A health management evaluation method for a pipeline combustion compressor unit,
s1: the data acquisition mechanism 5 sets a vibration alarm threshold, a rotation speed alarm threshold, a metal chip alarm threshold and a temperature alarm threshold;
s2: the data acquisition mechanism 5 collects data detected by the vibration sensor 1, the rotation speed sensor 2, the metal chip sensor 3 and the temperature sensor 4;
s3: the data acquisition mechanism 5 analyzes and processes the collected data, wherein the data acquired by the vibration sensor 1 and the data acquired by the rotation speed sensor 2, which correspond to the frequency, are analyzed and processed by the data acquisition mechanism 5 to be vibration values, so that the interference of other signals can be avoided;
s4: the data acquisition mechanism 5 analyzes and processes the collected data and respectively compares the collected data with a vibration alarm threshold, a rotation speed alarm threshold, a metal chip alarm threshold and a temperature alarm threshold;
s5: the data collection mechanism 5 analyzes and processes the data and transmits the data to the ground storage device and the ground health management software.
In steps S4 and S5, the data acquisition mechanism 5 analyzes and processes the collected data, and then the collected data exceeds a vibration alarm threshold value or a rotation speed alarm threshold value or a metal chip alarm threshold value or a temperature alarm threshold value, and the ground health management software sends out an alarm signal.
Example 2
As shown in fig. 1, the health management evaluation system of the pipeline combustion compressor unit comprises an airborne fault diagnosis system and a ground health management system 6, wherein the airborne fault diagnosis system is in signal connection with the ground health management system 6; the airborne fault diagnosis system comprises a data acquisition mechanism 5, a vibration sensor 1, a rotating speed sensor 2, a metal chip sensor 3, a temperature sensor 4 and an adapter wire, wherein the vibration sensor 1, the rotating speed sensor 2, the metal chip sensor 3 and the temperature sensor 4 are connected with the data acquisition mechanism 5 through the adapter wire; the ground health management system 6 includes ground health management software and a ground storage device. The vibration sensor 1 is arranged on a bearing, a gear box and blades in the gas turbine and is used for collecting information of the bearing, the gear box and the blades of the gas turbine. The vibration sensor 1 is an acceleration type vibration sensor. The rotation speed sensor 2 is used for monitoring the real-time rotation speed of the compressor unit. The metal chip sensor 3 is provided on a bearing in the gas turbine for monitoring bearing scratch, peel and break conditions. The temperature sensor 4 is arranged on a bearing in the gas turbine and is used for monitoring the temperature of lubricating oil at the end of the bearing. The data acquisition mechanism 5 is connected with the ground storage device through a network cable.
A health management evaluation method for a pipeline combustion compressor unit,
s1: the data acquisition mechanism 5 sets a vibration alarm threshold, a rotation speed alarm threshold, a metal chip alarm threshold and a temperature alarm threshold;
s2: the data acquisition mechanism 5 collects data detected by the vibration sensor 1, the rotation speed sensor 2, the metal chip sensor 3 and the temperature sensor 4;
s3: the data acquisition mechanism 5 analyzes and processes the collected data, wherein the data acquired by the vibration sensor 1 and the data acquired by the rotation speed sensor 2, which correspond to the frequency, are analyzed and processed by the data acquisition mechanism 5 to be vibration values, so that the interference of other signals can be avoided;
s4: the data acquisition mechanism 5 analyzes and processes the collected data and respectively compares the collected data with a vibration alarm threshold, a rotation speed alarm threshold, a metal chip alarm threshold and a temperature alarm threshold;
s5: the data collection mechanism 5 analyzes and processes the data and transmits the data to the ground storage device and the ground health management software.
In steps S4 and S5, the data acquisition mechanism 5 analyzes and processes the collected data, and then the collected data exceeds a vibration alarm threshold value or a rotation speed alarm threshold value or a metal chip alarm threshold value or a temperature alarm threshold value, and the ground health management software sends out an alarm signal.
The description of the directions and the relative positional relationships of the structures, such as the description of the front, back, left, right, up and down, in the present invention does not limit the present invention, but is merely for convenience of description.