The compressor produced by our company adopts the three-way flow impeller designed by advanced computer software, high-efficiency blade diffuser, high-efficiency imported guide blade, high-speed heavy-load speed-increasing gear with high-precision carburizing tooth surface, advanced technology and structure, such as new adjustable tilting tile bearing, high-efficiency large sleeve intermediate cooler, new adjustable and automatic deformation compensation intermediate air pipe, etc. The unit has the advantages of compact structure, reasonable layout, high isotherm efficiency, wide industrial and mining range, small vibration, low noise, long operation cycle, convenient operation and maintenance, etc. It has been proved by long-term practical operation that the air compressor developed and manufactured by DEAR air separation plant is stable in operation and reliable in quality, which can be used for different specifications and models of air separation plant, and can also be used for single machine selection.