Multi-head single-pass sectional compression water chilling device

Abstract

A multi-head single-pass sectional compression water chilling device includes a combined condenser and a combined evaporator. The combined condenser is formed by sequentially connecting and combining a plurality of sectional condensers, the combined condenser is internally provided with a condenser tube bundle for use by all the sectional condensers, the combined evaporator is formed by sequentially connecting and combining a plurality of sectional evaporators, the combined evaporator is internally provided with an evaporator tube bundle for use by all the sectional evaporators, the sectional condensers and the sectional evaporators are in one-to-one correspondence, a compressor is connected between each sectional condenser and a corresponding one of the sectional evaporators, and the compressor, the sectional condenser and the corresponding sectional evaporator form a refrigeration function section.

To the claims: 
     
         1 . A multi-head single-pass sectional compression water chilling device, comprising a combined condenser and a combined evaporator, wherein the combined condenser is formed by sequentially connecting and combining a plurality of sectional condensers, the combined condenser is internally provided with a condenser tube bundle for use by all the sectional condensers, the combined evaporator is formed by sequentially connecting and combining a plurality of sectional evaporators, the combined evaporator is internally provided with an evaporator tube bundle for use by all the sectional evaporators, the sectional condensers and the sectional evaporators are in one-to-one correspondence, a compressor is connected between each sectional condenser and a corresponding one of the sectional evaporators, and the compressor, the sectional condenser and the corresponding sectional evaporator form a refrigeration function section. 
     
     
         2 . The multi-head single-pass sectional compression water chilling device according to  claim 1 , wherein the refrigeration function section further comprises a throttling device, and the throttling device is connected to the sectional condenser and the sectional evaporator. 
     
     
         3 . The multi-head single-pass sectional compression water chilling device according to  claim 1 , wherein two ends of the combined condenser are respectively provided with a condenser inlet and a condenser outlet, two ends of the combined evaporator are respectively provided with an evaporator inlet and an evaporator outlet, and the condenser outlet and the evaporator inlet are located on a same side. 
     
     
         4 . The multi-head single-pass sectional compression water chilling device according to  claim 1 , wherein the compressors are each selected from a centrifugal compressor, a magnetic levitation compressor and a screw compressor for use in combination.