Monitoring case of pump group: On-line monitoring scheme of pump group in a chemical plant of petrochina
Release time:
2024-01-23
In a large chemical plant, the centrifugal pump is one of the key equipment, responsible for the transport of various chemicals. However, due to the influence of long-term operation and harsh environment, centrifugal pumps are prone to failure, resulting in production interruption and safety accidents. In order to solve this problem, the factory decided to use the pump group monitoring scheme provided by our company to monitor the running status of the centrifugal pump.
Based on wireless sensor technology and data analysis algorithm, the system can monitor the vibration, temperature and other key parameters of the pump group in real time. By analyzing the change trend of vibration, sound, temperature and other data collected by sensors, combined with the algorithm of artificial intelligence, the system can find potential faults in time and send early warning information to maintenance personnel.
After installing the fault warning system, the operation state of the centrifugal pump in the chemical plant has been effectively monitored. When the sensor detects abnormal data, the system will automatically analyze and generate a diagnostic report. According to the information in the report, the maintenance personnel can quickly locate the cause of the fault and take corresponding maintenance measures. This greatly reduces the probability of failure and improves production efficiency and safety. In addition, by integrating with the factory's automation system, the system can also realize automatic control and optimization, further improving the operating efficiency of the equipment.
After on-line, the fault early warning system provides a reliable equipment monitoring solution for the chemical plant, effectively reduces the probability of centrifugal pump failure, reduces the production loss caused by unplanned shutdown, improves the service life of pump equipment, reduces the inventory of spare parts, and improves production efficiency and safety. The system provides a strong guarantee for the stable operation of the plant.
Failure cases:
Field Equipment Photos
Since May, the vibration acceleration value of the motor drive end has shown an obvious growth trend, with the highest value reaching 25.6m/s2, and the acceleration amplitude of the non-drive end has a stable trend, with an average value of 8.9m/s2. The analysis of the acceleration spectrum of the motor drive end shows that the acceleration of the machine is rich in high-frequency energy, and there is irregular impact in the time domain waveform, which is a poor performance of bearing lubrication. The on-site intelligent diagnosis algorithm automatically issues a diagnosis report and gives suggestions: timely add appropriate amount of grease to the motor drive end and push it to relevant on-site personnel.
Smart Diagnostic Report
After on-site greasing, the vibration value drops significantly, and the judgment is accurate to avoid further deterioration of equipment use due to lubrication problems.
Acceleration spectrum of motor drive end before refueling
Acceleration spectrum of motor drive end after refueling
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