High-efficiency compression for cryogenic refrigeration

Baker Hughes's turboexpander-compressors are available in a wide selection of frames and sizes to best match any demanding cryogenic application. Extensive in-field experience and state-of-the-art design features ensure the highest performance for simultaneous refrigeration service and energy recovery.

For a 2019 offshore platform project in the North Sea involving seven of our single shaft, high-speed moto-compressors with active magnetic bearings (AMB), we also delivered two AMB expander-compressors with dry gas seals (DGS). Service is characterized by high H2S content not compatible with magnetic bearing. Hence, the DGS solution was the only way to enable oil-free configuration in sour service. The turboexpanders and moto-compressors were completely assembled and tested in-house, leveraging our internal capability for magnetic-bearing tuning and testing resulting from the agreement with SKF.

Engineers running rotodynamic analysis and studying the AMB behavior.

Turboexpander compressor assembled after dye penetrant inspection.

Turboexpander compressor mounted on test bench.

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