FCC EXPANDERS
Expander Services
• Complete repairs & refurbishment
• Component supply & repair
• Component & Assembly redesign & upgrades
• Rerates for improved performance & reliability
• New or replacement units
• Flow path optimization for reduced erosion & deposition
ADDITIONAL POWER RECOVERY TRAIN (PRT) SERVICES
• PRT auxiliary systems including instrumentation, controls, lube & seal
• Spare parts & inventory review and optimization
• Maintenance & Turnaround planning & support
• Field Service supervision
• Quality assurance & design audits
• On-site training
• TSS evaluations & technical consulting
• Expander control valve consulting
PROBLEM: FCC EXPANDER DISK EROSIVE WEAR
• Catalyst channeling between blade platforms can cause significant rotor blade & disk wear
• Catalyst packing in the attachment region can also increase the corrosion potential
RMS SOLUTION: UNIQUE LOW EROSION EXPANDER BLADE DESIGN
• RMS “One of a Kind” overlapping platform design upgrade
• CFD aided state of the art aerodynamic design
• Blade seal lip reduces amount of flue gas & catalyst entering disk cavity
• Platform Shields rotor disk from harmful effects of catalyst laden flue gas
• Reduces erosive effects of catalyst & flue gas
• Low stress design increases structural margins & life of rotor disk & blades.
