Information about monitored Machine
- Hitachi-Buckhardt Hyper Compressor F10
- 10 cylinders, 2 stages, in Ethylene service for LDPE production
- Speed: 189 rpm
- Power: 11 186 kW (15000 hp)
- Inlet pressure: 250 bar (3,626 psi) / Outlet pressure: 3.165 bar (45,904 psi)
Used Monitoring equipment and sensor positions
What happened (Sequence of events)?
Development of vibration increases over a time of 6 months.
- Since May 30, for segments 31 and 32, vibration values increase
from 2,5 m/s² (0.25 g) to over 10 m/s² (1 g)
- Shutdown of Machine on November 15
- After maintenance no more vibrations were visible for these segments visible
- Babbit coat severely damaged