[INQ. NO. 1703M35] GSA is a leading company in the design and manufacturing of products for the treatment of compressed air and gas in Korea. It produces refrigerated compressed air dryers, desiccant air dryers, membrane dryers, after coolers, chillers, oil-water separators, particulate & air filters, automatic condensate drains, PSA nitrogen generator, PAS oxygen generator, PSA hydrogen purifier, PSA argon recovery and purification plant, PSA CO, CO2 recovery and purification plant, PSA methane recovery and purification plant, PSA other gases separation and purification plant.
The compressed air treating equipment is very important and widely used in various industries. Much of the condensate and vaporized oil is produced as a by-product when air is compressed by air compressor. If they are not removed properly, they can shorten the lifetime of various pneumatic tools and equipment and also lead to the shutdown of the entire production lines.
Representative Products of GSA – Desiccant Dryer, Refrigerated Air Dryer, etc.
Desiccant dryers (also known as Regenerative Desiccant Dryers) run the compressed air through a chamber filled with desiccant, which is usually activated alumina or silica gel. The desiccant absorbs the moisture in its millions of pores, thereby trapping it. If the air dryer is using a smart controller, the compressed air dryer changes chambers when the dew point downstream begins to change, indicating the desiccant is wet.
Other models change on a set timer. The wet desiccant is regenerated, or dried, by the compressed air dryer’s hot purge air. The hot air drives off the moisture preparing the desiccant for its next cycle.
A refrigerated air-dryer removes moisture from the air through the use of a heat exchanger. An air-to-refrigerant heat exchanger is used to cool the air so that the vapor condenses into water. This water is then collected and drained out of the system, leaving only dry air. A refrigerated dryer typically has a dew point of around 40 degrees Fahrenheit.
Nitrogen can be produced by separating oxygen and nitrogen in the air by using the pressure swing adsorption (PSA) process. Dry & oil-free compressed air produced in out compressed air system enters the PSA nitrogen generator and is first stored in the dry air receiver from where it enters the PSA system.
Here, the oxygen is absorbed by the carbon molecular sieves and nitrogen is emitted as a product gas. The N2 enters the surge vessel where its purity is stabilized before it is sent to the nitrogen vessel and then drawn for use.
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