Compressed air generation plant

1. A compressed air generation system comprising:

a multistage reciprocating compressor including:

a first reciprocating compression stage configured to receive air at ambient pressure conditions, said first reciprocating compression stage configured to compress air to a first predetermined pressure value,

a second reciprocating compression stage in fluid communication with said first reciprocating compression stage, said second reciprocating compression stage configured to receive compressed air from said first reciprocating compression stage, and wherein said second reciprocating compression stage configured to compress received compressed air from said first reciprocating compression stage to a second predetermined pressure value, and

a third reciprocating compression stage in fluid communication with said second reciprocating compression stage, said third reciprocating compression stage configured to receive compressed air from said second reciprocating compression stage, and wherein said third reciprocating compression stage configured to compress received compressed air from said second reciprocating compression stage to a third predetermined pressure value;

a combi-cooler assembly having at least two intercoolers and a radiator, said least two intercoolers fluidly communicating with said reciprocating compression stages to receive hot compressed air from said first reciprocating compression stage and said second reciprocating compression stage, said least two intercoolers configured to dissipate heat of the compressed air by passing the hot compressed air therethrough to generate relatively cooler compressed air for a next subsequent stage, wherein said multi-stage reciprocating compressor and said combi-cooler assembly, including said at least two intercoolers, are housed in a single enclosure;

an after-cooler assembly configured to be in communication with the third reciprocating compression stage, wherein the after-cooler assembly is configured to reduce the temperature of the hot compressed air coming out from the third reciprocating compression stage; and

a radiator circuit including said radiator configured to be in fluid communication with said first reciprocating compression stage said second reciprocating compression stage, said third reciprocating compression stage, and a crankcase included in said multistage reciprocating compressor, wherein said radiator is configured to be in fluid communication with said radiator circuit to receive hot coolant fluid from said radiator circuit,

wherein said radiator circuit is configured to carry a coolant fluid therein to facilitate dissipation of heat from said first reciprocating compression stage, said second reciprocating compression stage, said third reciprocating compression stage, and said crankcase; wherein said combi-cooler assembly further comprises a casing and a fan, and

wherein said at least two intercoolers, said radiator, and said fan are housed in said casing to form a compact, integral combi-cooler assembly unit, said fan being configured to blow atmospheric air from an air intake over the at least two intercoolers and the radiator, and thereby dissipate heat from the hot compressed air passing through the at least two intercoolers and the hot coolant fluid passing through the radiator.

2. The compressed air generation system as claimed in claim 1 , wherein said after-cooler assembly is also housed in the single enclosure.

3. The compressed air generation system as claimed in claim 1 , wherein said compressed air generation system includes an air distribution circuit configured to facilitate fluid communication between said multistage reciprocating compressor and said combi-cooler assembly.

4. The compressed air generation system as claimed in claim 3 , wherein said air distribution circuit is a closed loop circuit.

5. The compressed air generation system as claimed in claim 1 , wherein said radiator circuit is a closed loop circuit.

6. The compressed air generation system as claimed in claim 1 , wherein said radiator includes a plurality of channels mounted along walls thereof, said channels configured to allow said coolant fluid to pass therethrough.

7. The compressed air generation system as claimed in claim 1 , wherein said radiator circuit includes a pump for facilitating circulation of said coolant fluid therethrough.

8. The compressed air generation system as claimed in claim 1 , wherein the coolant fluid is water or a composition with water.

9. The compressed air generation system as claimed in claim 1 , which includes a buffer vessel provided at an outlet of each of said first reciprocating compression stage, said second reciprocating compression stage, and said third reciprocating compression stage, said buffer vessels configured to provide flow compensation from said first reciprocating compression stage, said second reciprocating compression stage, and said third reciprocating compression stage.

10. The compressed air generation system as claimed in claim 2 , wherein said combi-cooler assembly is located at a lateral end of said single enclosure.

11. The compressed air generation system as claimed in claim 1 , wherein condensate recovery units are provided downstream of said least two intercoolers and said after-cooler assembly, said condensate recovery units configured to remove condensate matter formed as a result of cooling the hot compressed air in said least two intercoolers and said after-cooler assembly.

12. The compressed air generation system as claimed in claim 1 , which includes a surge tank configured to store the coolant fluid therein.

13. The compressed air generation system as claimed in claim 1 , wherein the coolant fluid is glycol mixed with water.