Turbo Expander Hydrobrake Compressor (THC) Series - ACD

TuRBO EXPANDERHYDROBRAKE cryogenicCompressor (THC) SERIESTHC-3000 • THC-4000 • THC-6000HYDROBRAKE cryogenic CompressorLOADED EXPANDERSPerformanceExpander Ns Range 40 – 140Expander Efficiency up to the low 90%sExpander Pressure Ratio up to 24:1Tip Speedup to 1,500 ft/sec (457 m/s)Rotor Speedup to 55,000 RPMRefrigeration Productionup to 1,000 HP (745 kW)Features & Benefits• Compact footprint• “Zero leakage” inlet guide vanes• Rugged rotor design• Components individually balanced forease of field replacement• Tapered shaft wheel attachment for fieldinterchangeability• Dual vibration probes• Coalescing mist eliminator• Labyrinth shaft seal design minimizesseal gas consumption and preventsprocess stream contaminationApplicationsIndustrial gas production• Air separation• LiquefactionFluids HANDLED• Air• Nitrogen• Waste gas (high oxygen content)• Carbon dioxide & carbon monoxideAVAILABLE OPTIONS• Inlet screens• Inlet trip valves• Surge control system• Low hysteresis high cycle inletguide vanes• Cable trays or conduit• Safe area or hazardous area location• International code compliance(HPGSL, PED, GOST, etc.)• Cryogenic performance testing• Spare cartridge with nozzle assembly

TuRBO EXPANDER HYDROBRAKE Compressor (THc) SERIEScross section: ThC-3000Expander inletCompressor outletExpander outletCompressor inletExpander wheelOil drainBearingsSealsCryogenic compressor wheelTechnical Highlights“Zero Leakage” Inlet Guide Vanes• Adjustable inlet guide vanes provide optimum flow patterns aswell as precise and continuous control across the machine’s fulloperational spectrum• Self-energizing back plate maintains zero sidewall clearance formaximum expander efficiency• Zero backlash variable guide vane configuration provides smoothturn-up capability to 125% of design flowSelf-Aligning Wheel Attachment• Tapered bore and stretch rod design automatically compensatesfor thermal and mechanical changes to maintain alignment underall operating conditions• Precision machined tapered bore/shaft attachment allowsindependent balancing of turbine wheel and shaft to facilitatefield repairRugged Rotor Design• Stiff rotor shaft and high capacity tilt pad bearings assure maximumstability at all operating loads and speeds• High capacity tilt pad thrust bearings provide the extra marginnecessary to handle transients• Numerous bearing designs available to accommodate specificprocess applications, including hydrodynamic (journal and tilt pad)bearings, ball bearings, ceramic bearings, and air/foil bearings• Sealing design offers robust construction and reliable performanceDual Independent Labyrinth Shaft Seal• Reliable teeth-on-shaft design is precision machined to ultraclose clearances, minimizing seal gas consumption• Dual port, atmospheric center vent prevents process streamcontaminationSpecifications subject to change without notice Bulletin No. ACD Turbo THC 2010© 2010 ACD LLC, Printed in USA