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Chapter: Mechanical and Electrical - Thermal Engineering - Air Compressors

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Application of Compressors

Reciprocating compressors are typically used where high compression ratios (ratio of discharge to suction pressures) are required per stage without high flow rates, and the process fluid is relatively dry.

APPLICATION OF COMPRESSORS

 

Ø Reciprocating compressors are typically used where high compression ratios (ratio of discharge to suction pressures) are required per stage without high flow rates, and the process fluid is relatively dry.

 

Ø Screw compressors: Trailer mounted diesel powered units are often seen at construction sites, and are used to power air operated construction machinery.

 

Ø P.E.T bottling industries, gas filling stations usually use reciprocating compressors.

 

Ø Processing equipment, Oxygen Generators Oil Atomization use compressors of required capacity.

 

Ø Air compressors: a compressor that takes in air at atmospheric pressure and delivers it at a higher pressure.

 

Ø Compressors serve the basic necessities & form an integral part of the company .

 

Ø Pneumatic brakes

 

Ø Pneumatic drills

 

Ø Pneumatic jacks

 

Ø Pneumatic lifts

 

Ø Spray painting

 

Ø Shop cleaning

 

Ø Injecting fuel in Diesel engines

 

Ø Refrigeration and Air conditioning systems.

 


CONCEPT OF AIR COMPRESSOR

Introduction:

 

Ø The process of increasing the pressure of air, gas or vapour by reducing its volume is what compression.

 

Ø The devise used to carry out this process is called a compressor.

 

Principles on which compressors work:

 

Ø compressor is a mechanical device that increases the pressure of a gas by reducing its volume.

 

Ø Compressor is a machine which increases the pressure of a fluid by mechanically decreasing its volume (i.e. by compressing it).(The fluid here is generally air since liquids are theoretically incompressible).

 


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