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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.
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 ...
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 ...
However, compressed air is more expensive than the other three utilities when evaluated on a per unit energy delivered basis. [9] Technical Illustration of portable single-stage air compressor Two-stage air compressor assembled on a horizontal tank and equipped with a Joule-Thomson (JT) type refrigerated compressed air dryer
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.
The usual compression, cooling and expansion seen in any refrigeration cycle is accomplished in the ACM by a centrifugal compressor, two air-to-air heat exchangers and an expansion turbine. Bleed air from the engines, an auxiliary power unit, or a ground source, which can be in excess of 150 °C and at a pressure of perhaps 32 psi (220 kPa ...