Air compressor principle
2021-09-23 19:27:23
First, the use of air compressor:
Air compressors, as the name implies, compress a free state of air into a machine with a certain amount of pressure energy (ie, compressed air). We use compressed air as a power source in the fields of machinery, mining, construction, etc., and drive various pneumatic tools (such as pneumatic picks, pneumatic drills, pneumatic wrenches, pneumatic sandblasting, etc.). The pressure is generally 0.6~1.5MPa. The pressure used to control the instrument and the automation device is 0.6 MPa. In the transportation industry, compressed air is used to brake vehicles, open and close doors and windows, and the pressure is 0.2~1.0MPa. In the textile industry, compressed air is used to blow the weft yarn instead of the shuttle. The start of large and medium-sized engines, high-pressure air blasting, coal mining, torpedo launching, submarine ups and downs, salvage, hovercraft, etc., require compressed air of different pressures. In these sectors, air compressors are an essential equipment.
Second, the classification of air compressors (1) According to the way of compressed air, air compressors are generally divided into two categories, one is volumetric, the other is dynamic, and can be divided into the following according to its structure Several forms:
Piston type reciprocating diaphragm type volumetric sliding type screw type single screw rotary type twin screw air compressor liquid ring type rotor type centrifugal type axial flow type power type mixed flow type (2) according to air compressor Zii final exhaust pressure, volume flow and shaft power are classified:
According to zui final exhaust pressure according to volume flow according to shaft power type exhaust pressure MPa type exhaust volume m3 / min type power kW
Low pressure compressor>0.2~1 micro compressor<1 micro compressor<10
Medium pressure compressor>1～10 small compressor≥1～10 small compressor≥10～100
High pressure compressor>10～100 medium compressor>10～100 medium compressor>100～500
Ultra high pressure compressor >100 large compressor ≥100 large compressor
Air compressors, as the name implies, compress a free state of air into a machine with a certain amount of pressure energy (ie, compressed air). We use compressed air as a power source in the fields of machinery, mining, construction, etc., and drive various pneumatic tools (such as pneumatic picks, pneumatic drills, pneumatic wrenches, pneumatic sandblasting, etc.). The pressure is generally 0.6~1.5MPa. The pressure used to control the instrument and the automation device is 0.6 MPa. In the transportation industry, compressed air is used to brake vehicles, open and close doors and windows, and the pressure is 0.2~1.0MPa. In the textile industry, compressed air is used to blow the weft yarn instead of the shuttle. The start of large and medium-sized engines, high-pressure air blasting, coal mining, torpedo launching, submarine ups and downs, salvage, hovercraft, etc., require compressed air of different pressures. In these sectors, air compressors are an essential equipment.
Second, the classification of air compressors (1) According to the way of compressed air, air compressors are generally divided into two categories, one is volumetric, the other is dynamic, and can be divided into the following according to its structure Several forms:
Piston type reciprocating diaphragm type volumetric sliding type screw type single screw rotary type twin screw air compressor liquid ring type rotor type centrifugal type axial flow type power type mixed flow type (2) according to air compressor Zii final exhaust pressure, volume flow and shaft power are classified:
According to zui final exhaust pressure according to volume flow according to shaft power type exhaust pressure MPa type exhaust volume m3 / min type power kW
Low pressure compressor>0.2~1 micro compressor<1 micro compressor<10
Medium pressure compressor>1～10 small compressor≥1～10 small compressor≥10～100
High pressure compressor>10～100 medium compressor>10～100 medium compressor>100～500
Ultra high pressure compressor >100 large compressor ≥100 large compressor
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