CENTRIFUGAL COMPRESSOR

摘要

The compressor comprises a housing 1 including a cover 6 positioned at the side of the housing adjacent an outlet chamber 3, and compression stages including diffusers 12, 13, a flow straightener 14 and diaphragms 15-18 of which the diaphragm 18 is connected to the cover and is flexible. Labyrinth seals 26-30 are also provided. To assemble the compressor, the shaft inserted in the cover 6 is positioned vertically and the impeller 21 is mounted on the shaft. Then the members 12-17 and the impeller 20 are mounted on the shaft before the compressor is turned to a horizontal position and installed in the housing 1. The resilience of the diaphragm 18 applies compressive forces to the assembled compressor to compensate deformations of the compressor due to temperature changes.