Working principle of Multi stage air Compressor.
Working principle of Multi stage air Compressor:The working principle of multi stage air compressor is same as double stage air compressor. In three stage air compressor, fresh air from atmosphere enters in first stage (low pressure) cylinder through suction filter. This air is compressed by piston up to 4 kg/centimeter square & then delivered to second stage (middle pressure) cylinder through inter cooler for further compression. In this stage suction and compression took place on both side of piston….In second stage cylinder low pressure air is compressed up to 14 kg/centimeter square & discharge to third stage (high pressure) cylinder through second inter cooler to achieve air pressure up to desired delivery pressure. In this stage suction and compression took place on one side of piston….At high pressure cylinder the 14 kg/centimeter square air pressure is increased up to desired discharge range from 35 kg/centimeter square to 85 kg/centimeter square by the piston reciprocating inside the high pressure cylinder. In this stage suction and compression took place on both side of piston
Capacity:The capacity of an air compressor is determined by the amount of free air (at sea level) that it can compress to a specified pressure, usually 100 psi per minute, under the conditions of 68°F and a relative humidity of 38 percent. This capacity is expressed in cubic feet per minute (cfm) and is usually included in the nomenclature of the compressor….The number of pneumatic tools that can be operated at one time from an air compressor depends on the air requirements of each tool; for example, a 55-pound class rock drill requires 95 cfm of air at 80 psi. A 210-cfm compressor can supply air to operate two of the drills, because their combined requirements is 190 cfm….However, if a third such drill is added to the compressor, the combined demand is 285 cfm, and this condition overloads the compressor and the tools and results in serious wear.
Working principle of Multi stage air Compressor:The working principle of multi stage air compressor is same as double stage air compressor. In three stage air compressor, fresh air from atmosphere enters in first stage (low pressure) cylinder through suction filter. This air is compressed by piston up to 4 kg/centimeter square & then delivered to second stage (middle pressure) cylinder through inter cooler for further compression. In this stage suction and compression took place on both side of piston….In second stage cylinder low pressure air is compressed up to 14 kg/centimeter square & discharge to third stage (high pressure) cylinder through second inter cooler to achieve air pressure up to desired delivery pressure. In this stage suction and compression took place on one side of piston….At high pressure cylinder the 14 kg/centimeter square air pressure is increased up to desired discharge range from 35 kg/centimeter square to 85 kg/centimeter square by the piston reciprocating inside the high pressure cylinder. In this stage suction and compression took place on both side of piston
Capacity:The capacity of an air compressor is determined by the amount of free air (at sea level) that it can compress to a specified pressure, usually 100 psi per minute, under the conditions of 68°F and a relative humidity of 38 percent. This capacity is expressed in cubic feet per minute (cfm) and is usually included in the nomenclature of the compressor….The number of pneumatic tools that can be operated at one time from an air compressor depends on the air requirements of each tool; for example, a 55-pound class rock drill requires 95 cfm of air at 80 psi. A 210-cfm compressor can supply air to operate two of the drills, because their combined requirements is 190 cfm….However, if a third such drill is added to the compressor, the combined demand is 285 cfm, and this condition overloads the compressor and the tools and results in serious wear.
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