Expander with cryogenic compressor and oil brake TFC - Cryostar
Expander with cryogenic compressor and oil brake TFC - Cryostar
Expander with cryogenic compressor and oil brake TFC - Cryostar
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<strong>Exp<strong>and</strong>er</strong> <strong>with</strong> <strong>cryogenic</strong> <strong>compressor</strong><strong>and</strong> <strong>oil</strong> <strong>brake</strong> <strong>TFC</strong>Typical ApplicationIndustrial Gas Industry (Air SeparationUnits) to provide refrigeration whena process <strong>cryogenic</strong> booster <strong>compressor</strong>is required <strong>with</strong> adjustable coldpower provided by the <strong>oil</strong> <strong>brake</strong>.Usual Gases H<strong>and</strong>ledAir, Nitrogen, or waste gas from air<strong>with</strong> high oxygen content possibility.References<strong>Cryostar</strong> has a unique experience in the design of these <strong>TFC</strong>, <strong>with</strong> the first unit built in 1991 <strong>and</strong>more than 50 <strong>TFC</strong> in operation sold to the major gas companies.Features <strong>and</strong> benefitsTurbo exp<strong>and</strong>er <strong>with</strong> <strong>cryogenic</strong> <strong>compressor</strong> <strong>and</strong> variable <strong>oil</strong> <strong>brake</strong> mounted on a common shaft.The “cartridge” design of the rotor assembly allows access to the rotating element <strong>with</strong>out removingthe exp<strong>and</strong>er casing <strong>and</strong> its cold box extension.For easy maintenance, a spare “plug-in unit” (exp<strong>and</strong>er <strong>with</strong>out casings) allows customer tochange all internal parts <strong>with</strong>in a minimum of time <strong>and</strong> <strong>with</strong> maximum reliability.Diffuser design allows low radial loads at all operating flows.Variable <strong>oil</strong> <strong>brake</strong> is used to adjust the cold productionA modular lube <strong>oil</strong> system is feeding the <strong>oil</strong> <strong>brake</strong> <strong>and</strong> bearings.The st<strong>and</strong>ard cost effective exp<strong>and</strong>er package can be customized to meet the most stringent customerspecifications like API614.
<strong>TFC</strong> Cross Section1 High efficiency exp<strong>and</strong>er impeller2 Variable inlet guide vanes for peak efficiencyover wide operating range23 Stiff shaft, subcritical (rigid) rotor1354 Variable diffuser option to offer a widerrange of operation to the <strong>cryogenic</strong>booster.45 High efficiency <strong>compressor</strong> impellerSizes <strong>and</strong> type<strong>Cryostar</strong> offers now <strong>TFC</strong>120, <strong>TFC</strong>200, <strong>TFC</strong>300, <strong>TFC</strong>400, <strong>and</strong> <strong>TFC</strong>500 depending on customer needs.<strong>TFC</strong> 120 →120 is the exp<strong>and</strong>er wheel diameter in mmT: Turbine (<strong>cryogenic</strong> exp<strong>and</strong>er)F: Friction Oil BrakeC: Cryogenic <strong>compressor</strong>Range of operationFlow up to 150’000 Nm3/h (50 kg/s)Pressures up to 70 bar <strong>and</strong> designtemperature -196°C for exp<strong>and</strong>er<strong>and</strong> <strong>compressor</strong>Power generated by the exp<strong>and</strong>er upto 2000 kWUp to about 300 KW of refrigerationthrough its <strong>oil</strong> <strong>brake</strong>Other available <strong>Exp<strong>and</strong>er</strong>TC: <strong>cryogenic</strong> exp<strong>and</strong>er <strong>with</strong> process <strong>compressor</strong> <strong>and</strong> <strong>oil</strong> lubricated bearingsMTC: <strong>cryogenic</strong> exp<strong>and</strong>er <strong>with</strong> process <strong>compressor</strong> <strong>and</strong> active magnetic bearingsECO, TP: <strong>cryogenic</strong> exp<strong>and</strong>er <strong>with</strong> <strong>oil</strong> <strong>brake</strong>TG: <strong>cryogenic</strong> exp<strong>and</strong>er <strong>with</strong> generator <strong>and</strong> <strong>oil</strong> lubricated bearingsMTG: <strong>cryogenic</strong> exp<strong>and</strong>er <strong>with</strong> high frequency generator <strong>and</strong> active magnetic bearingsLTP, LTG: Liquid exp<strong>and</strong>er <strong>with</strong> <strong>oil</strong> <strong>brake</strong> or generatorCRYOSTAR SAS - BP 48 - Zone Industrielle - F-68220 Hésingue - FrancePhone: +33 389 70 27 27 - Fax: +33 389 70 27 77 - sales@cryostar.com - www.cryostar.com
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