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Air compressors increase air pressure for various purposes. Lung is a natural compressor, while man-made compressors are positive displacement or dynamic. Compressed air is used in various industries, and two-stage compressors are more efficient. Air compressors can be powered by electricity or natural gas.
An air compressor is anything that increases the amount of air held within a particular space. By packing the air, the air pressure increases. This creates a force that is useful for a variety of purposes, such as industrial, manufacturing, commercial, and personal purposes.
Actions
One type of air compressor is the lung. When a person takes a deep breath to blow out a candle, for example, the air pressure in the lungs increases, which in effect become air compressors containing pressurized air. The force of the air in the lungs is used to blow out the candle flame.
Man-made air compressors generally fall into one of two types, positive displacement or dynamic, and are defined by their mode of operation. A positive displacement air compressor works by filling and then emptying an air chamber. Three common types of positive displacement air compressors are reciprocating, rotary screw, and rotary sliding vane air compressors.
Dynamic air compressors, on the other hand, use a rotating device to accelerate and then decelerate the air. This process uses airspeed or velocity to increase air pressure. Centrifugal air compressors are dynamic air compressors.
it is used
Compressed air can be used in various ways. It can be used to alter the chemical composition, as in the case of fertilizer production; can be used for industrial purposes, such as production line manufacturing processes; or it can be used for the maintenance of industrial plants. Perhaps the best known use of air compressors is in the case of pneumatic tools such as air nail guns, staplers, sanders, spray guns and ratchet wrenches. Air compressors can also be used to move debris.
stage
Another way to group air compressors is by the number of stages they have. A two stage air compressor is usually used for heavy duty applications and offers a higher level of compression than smaller single stage air compressors. Two-stage air compressors can store air for future use and are more energy efficient because they produce more air per unit horsepower than single-stage compressors. In addition, less heat is generated in a two-stage compressor, which means less wear on the unit. There are also portable electric air compressors for light duty applications.
Models
There are hand-powered air compressors, but most are powered by electricity or natural gas. Natural gas air compressors are usually more affordable. If your air compressor is used in a small, enclosed area, however, an electric model may be preferable to avoid gas fumes. Depending on the type of air compressor, running costs can be high, such as system maintenance.
