Dual centrifugal chiller

Abstract

The present invention relates to a dual centrifugal chiller, and it is an object of the present invention to provide a dual centrifugal chiller which is configured so that a turbo chiller having two compressors, two evaporators and two condensers lowers the head of the compressors, and that the compressors are operated with the same heads. The above object can be accomplished by the provision of a dual centrifugal chiller in which chilled water passes through a first evaporator and then through a second evaporator, cooling water passes through a first condenser and then through a second condenser, a first compressor accommodating a refrigerant connects said first evaporator and said second condenser, and a second compressor accommodating a refrigerant connects said second evaporator and said first condenser.

1 . A dual centrifugal chiller in which chilled water passes through a first evaporator and then through a second evaporator, cooling water passes through a first condenser and then through a second condenser, a first compressor accommodating a refrigerant connects said first evaporator and said second condenser, and a second compressor accommodating a refrigerant connects said second evaporator and said first condenser. 
     
     
         2 . The dual centrifugal chiller according to  claim 1 , wherein said first evaporator and said second evaporator are connected in a parallel manner, and said first condenser and said second condenser are connected in a serial manner. 
     
     
         3 . The dual centrifugal chiller according to  claim 1 , wherein said first evaporator and said second evaporator are connected in a serial manner, and said first condenser and said second condenser are connected in a parallel manner. 
     
     
         4 . The dual centrifugal chiller according to  claim 1 , wherein said first evaporator and said second evaporator are connected in a parallel manner, and said first condenser and said second condenser are connected in a parallel manner.