PROCESS GAS EXTRACTING DEVICE FOR AXIAL COMPRESSOR HAVING HIGH ADAPTABILITY TO CHANGE IN OPERATING CHARACTERISTICS OF COMPRESSOR

摘要

PROBLEM TO BE SOLVED: To provide a process gas extracting device 10 for axial compressor having high adaptability to change in operating characteristics of compressor.

SOLUTION: The casing of an axial compressor 14 has a volute 15 for collecting process gas. The extracting device 10 comprises collecting structures 12 connected to the collecting volute 15. Each of the collecting structures 12 comprises a metallic thin plate-made box having a base part 16 connected to a cover part 18 and two side flanges 17.

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