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Classify Of China Compressor [2011-12-07]

 

A China Compressor is a mechanical device that increases the pressure of a gas by reducing its volume.
Compressors are similar to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe. As gases are compressible, the compressor also reduces the volume of a gas. Liquids are relatively incompressible, while some can be compressed, the main action of a pump is to pressurize and transport liquids.
Fridge Compressor can be divided into Volume type Compressor and speed type compressor according to the Compressor Principle;Volume type can be divided into Reciprocating Compressors and rotary compressors; speed type compressor can be divided into axial flow compressors and centrifugal compressors.
Current domestic refrigerators and air conditioners are Volume type compressors, which can be divided into Reciprocating Compressors and rotary compressors. Reciprocating compressor using a piston, crank, linkage or piston, crank, slide regulators ; The frequently used rotary compressors are rolling rotor compressor. In commercial air-condition , The frequently used compressors are centrifugal compressors, scroll compressor , screw compressor .
According to the application , China Compressor can be divided into low back pressure, the back pressure and high back pressure. Low back pressure (evaporation temperature of -35 ~ -15 ℃), generally used for household refrigerators, food freezers and so on. The back-pressure (evaporation temperature -20 ~ 0 ℃) generally used for soda fountain, milk refrigerators and so on. High back pressure (evaporation temperature of -5 ~ 15 ℃) generally used for room air conditioners, dehumidifiers, heat pumps and so on.