Process gas extraction device for an axial compressor, having a high degree of adaptability to changes in the operating characteristics of the compressor

摘要

A process gas extraction device (10) for an axial compressor, having a high degree of adaptability to changes in the operating characteristics of the compressor; a casing (14) of the axial compressor is provided with a volute (15) for collecting process gas and the extraction device (10) comprises collecting structures (12) connected to this collecting volute (15).