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JT type dryers are units that utilize the compressed air stream as their refrigeration element. High pressure compressed air (150~175 PSI) is fed into a pressure reducing valve on top of the dryer. The output of this valve (90–120 PSI) is directed into an expansion chamber which is surrounded with porous walls.
A crankcase heater is an electrical component in a compressor in an air-conditioning system, heat pump system, or chiller system. The crankcase heater is normally on all the time, even when the unit is not running, though temperature sensors and set points may turn it off when not needed.
In compressed air purification, it is used to condense water vapor from compressed air to reduce its moisture content. In oil refineries , chemical plants , and petrochemical plants, refrigeration is used to maintain certain processes at their needed low temperatures (for example, in alkylation of butenes and butane to produce a high- octane ...
GEA Refrigeration Technologies GmbH, headquartered in Berlin, is a developer, manufacturer and supplier of industrial refrigeration technology and heat pumps. The company is a subsidiary of the GEA Group, which is divided into five divisions. The division GEA Heating & Refrigeration Technologies manufactures products including reciprocating ...
A representative pressure–volume diagram for a refrigeration cycle. Vapour-compression refrigeration or vapor-compression refrigeration system (VCRS), [1] in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and is the most widely used method for air conditioning of buildings and automobiles.
An early major application of compressed air was in the drilling of the Mont Cenis Tunnel in Italy and France in 1861, where a 600 kPa (87 psi) compressed air plant provided power to pneumatic drills, increasing productivity greatly over previous manual drilling methods. Compressed-air drills were applied at mines in the United States in the 1870s.