Energy saving has become a trend as well as a countermeasure for global environmental issues. It can be one of the efficient solutions for reducing energy consumptions by adopting integrally geared compressors instead of inline compressors for industrial plants. It is possible to select the optimized rotating speeds for each pinion of compressor, resulting in improved stage efficiency. Intercoolers can be easily implemented for each stage, contributing to the reduction of the total power consumption. The development of key technologies for the design centrifugal compressor such as CFD, FEM, Rotor dynamic Analysis, Sealing etc., has enabled integrally geared centrifugal compressors for higher pressure applications than ever.
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