System for the doublestage flows turbo-expander ORC entirely and prepares compressed air
2015
The utility model relates to a medium-low temperature waste heat recovery utilizes, aims at providing the system that a doublestage full flow turbo-expander ORC prepared compressed air. The system includes evaporimeter, two the coaxial all-in-ones of turbine, condenser and working medium pumps, the coaxial all-in-one of turbine is by turboexpander and the coaxial direct connection of turbi ne compressor, two turboexpander parallel operation wherein, two turbi ne compressor series operations, each equipment passes through the pipeline to be realized connecting: working medium delivery side of pump end connects with with the working medium entry of evaporimeter, and the working medium outlet of evaporimeter connects respectively to two turboexpander's working medium entry, two turboexpander's working medium outlet all connects to the entry end of working medium pump through the condenser. The utility model discloses utilize ORC to realize that medium-low temperature waste heat recovery is used for preparing compressed air. Ingeniously utilize doublestage full flow turbo-expander, carried out second grade compression to the air and in order to improve its pressure, carried out secondary recycle again to the compression heat simultaneously, and do not needed any for the secondary ability of electric energy or other.
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