Shaft and Coupling Bore Tapers Repair Caused Frequent Shutdowns
often-found fret-pitted shaft and coupling bore tapers repair caused frequent and lengthy shutdowns.
An Indian Plants all turbines’ low Vacuum & Saudi Plant turbo-compressor only
Case Study: An Indian Plants all turbines’ low Vacuum & Saudi Plant turbo-compressor only.
NH3 Plant Turbo-compressor Sudden Rise in Temperature
Root Cause Analysis (RCA): NH3 plant turbo-compressor Tilting Pad too high temperatures sudden affected and entire plant indefinite shutdown threat eliminated.
Turbo-Compressor Problem – Root Cause Analysis
Turbo-compressor turning gear chamber excessive oil belch posed indefinite plant shutdown problem.
Compressor Cracked Shaft Spacers
Process Air Compressor cracked shaft spacers; the plant Root Cause Analyzed, made the spacers and heat treated to lesser hardness and fitted on the spare and running rotor.
8000 RPM 8000 kW Turbine Problem
Root Cause Analysis (RCA): 8000 RPM, 8000 kW, Turbine Problem Threatened Yearlong Total Fertilizer Complex Outage.
Compressor Anti-Surge Control near-miss incident
The author root cause analyzed the near miss incident of compressor anti-surge control to resume production and surge prevention.
Centrifugal Compressor near ½-RPM Frequency High Magnitude Shaft Vibrations
Root Cause Analysis (RCA): Compressor near ½-RPM frequency high magnitude shaft vibrations.
Malfunctioning Inlet Check Valves caused chaos at Compressor stop/trip
Root Cause Analysis (RCA): Malfunctioning inlet check valves caused 5-year long chaos at each stop/trip of the compressor.
Refrigeration Compressor Turbine Not-tripping when needed Trip
[RCA] Refrigeration Compressor Turbine Not-tripping when needed Trip Throttle Valve threatened potential compressor wrecks eliminated.