Moisture is removed from the gases so as to avoid several undesirable effects that are caused by ice and liquid formation, catalyst contamination and corrosion. There are some basic water removal steps that appear in various applications, including industrial gas drying and air conditioning. The molecular sieve figures allow the gas streamsView more
A deliquescent Dryer with molecular sieve typically consists of a pressure vessel filled with a hygroscopic media that absorbs water vapor. The media gradually dissolves—or deliquesces—to form a solution at the base of the pressure vessel. The liquid must be regularly drained from the vessel and new media must be added.View more
Refrigeration Dryer with molecular sieves employ two heat exchangers, one for air-to-air and one for air to refrigeration. However, there is also a single TRISAB heat exchanger that combines both functions. The compressors used in this type of Dryer with molecular sieve are usually of the hermetic type and the most common gas used is R-134a.View more
Dehumidifying Dryers with molecular sieve are designed to eliminate moisture in the plastic material before processing. Air is forced through a desiccant bed to make it extremely dry. This air is then heated to a specified temperature and fed into a Drying Hopper containing the material to be dried.View more
Air Systems will be introducing the extended range of the 2011 introduced RD series; a complete modular built highly flexible dryer system to condition plastic resin with dry process air. New details have also been added to improve the operation and control of the entire process. With drying capacities ranging now from 0,05 to 300 kg/hView more
The cost of replacement parts, labor, standby inventory, and downtime can have a devastating effect on a plant’s bottom line. Eliminating even one of them by drying a system’s compressed air will offset the cost of installing and operating the equipment.View more
Location can affect how well an air dryer with molecular sieve performs. The site for an air-cooled dryer should be well ventilated, so heat can be carried away, and readily accessible to aid maintenance. The maximum ambient temperature for a refrigerated dryer is about 100° to 120° F. Higher temperatures prevent the dryer from exchanging heatView more
Membrane-Type Dryers with molecular sieve are gas-separation devices. They consist of miniature membrane tubes made of plastic materials compounded to allow water vapor to pass through when there is a vapor pressure differential. They work as your lungs do, venting water vapor each time you exhale.View more
Tube-in-tube refrigeration dryers with molecular sieve operate by cooling a mass of aluminum granules or bronze ribbon that in turn cools the compressed air. As the tube-to-tube refrigeration dryer cycles, a thermometer in the granule mass senses its temperature. As the temperature rises, a switch turns on the refrigeration unit.View more
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