The COMPACS® system
Real-time vibration diagnostics
of machinery with probability close to 1
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Home Customers & responses Responses "LUKOIL-Ukhta Refinery" LLC: Response to the system COMPACS for technical state monitoring of pump-and-compressor equipment

"LUKOIL-Ukhta Refinery" LLC: Response to the system COMPACS for technical state monitoring of pump-and-compressor equipment

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Since 2008 the COMPACS® system for technical state monitoring of pump-and-compressor equipment have been implemented at the processing units 35-11/300, АТ-1, GDS-850, "Visbreaking", "Isomerization" of the refinery "LUKOIL-Ukhtaneftepererabotka" LLC.

During the COMPACS® systems operation a number of repairs according to the system readings have confirmed the effectiveness of the equipment state monitoring on the vibration parameters. Implementation of systems for pump-and-compressor equipment monitoring provides the real time technical state observability of each equipment unit not only at processing units, but also remotely by means of Compacs-Net®, which allows to take timely actions in case of the equipment technical state changes, associated with occurrence of various components and parts malfunctions, and violation of technological operating mode.

At the unit GDS-850 the system monitors 12 centrifugal pumps and 4 piston compressors based on 4GМ10.

Each compressor has sensors, installed in the following points:

  • on the cylinder cap in the axial direction;
  • in the piston radial direction in the area of suction and delivery valves location;
  • over the crosshead in the radial direction;
  • on the main bearings;
  • on the motor front and rear bearings;
  • over the rod for the rod position control and determining the support rings wear.

Totally on the compressor have been installed: 21 vibration accelerometers, 4 eddy-current sensors of the rod position, a sensor of the shaft rotation angle.

The rod position sensors use has proved itself particularly effective – the sensors have allowed to monitor the piston rings wear and prevent the rods destruction in real time during the compressors operation.

The gained experience of the monitoring systems readings use allows to operate with the pump-and-compressor equipment according to the COMPACS® systems readings.

 

Authors: Chief mechanical engineer V.N. Zolotarev / 2012

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Tags: Compacs-Net COMPACS condition monitoring pump-and-compressor units vibration parameter Date: 11.10.2013
Views: 1694
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