Compressed Air Filter Dryer Regulator
Iveco 2992261 Cross Reference Liebherr 571352308/Mack 950011/Man 1368731
How does an air dryer filter function in a refrigerated dryer system?
An air dryer filter plays a crucial role in a refrigerated dryer system by removing contaminants and moisture from the compressed air. Here's how an air dryer filter functions in a refrigerated dryer system:
1.Pre-Filtration: The compressed air first enters the air dryer filter from the compressed air system. The air dryer filter acts as a pre-filter, capturing larger particulate matter, such as dirt, dust, and debris, through its filtration media. This initial filtration step helps protect the refrigerated dryer and subsequent filtration stages from excessive contamination.
2.Moisture Removal: After passing through the pre-filtration stage, the compressed air enters the refrigerated dryer's heat exchanger. The heat exchanger cools the compressed air to a temperature near the dew point, causing moisture to condense. The condensed moisture forms droplets that are separated from the airflow by the air dryer filter.
3.Coalescing Filtration: In the next step, the air dryer filter typically incorporates a coalescing filtration stage. This stage utilizes specialized filtration media or coalescing filters designed to capture and combine small water droplets into larger droplets. The coalescing filters have fine fibers or specially designed surfaces that attract and merge the water droplets, increasing their size for more efficient separation.
4.Water Drainage: The air dryer filter usually includes a drain mechanism to remove the collected water from the system. There are different types of drains used, such as automatic drains, manual drains, or timed drains. These drains remove the accumulated water from the filter, preventing the re-entrainment of moisture into the compressed air.
5.Final Filtration: The air dryer filter also provides a final filtration stage to ensure the removal of any remaining contaminants, including fine particulate matter and oil aerosols. This stage typically uses a fine filtration media, such as a high-efficiency coalescing filter or activated carbon filter, to capture contaminants and provide clean, dry compressed air.
By combining pre-filtration, moisture removal, coalescing filtration, and final filtration, the air dryer filter in a refrigerated dryer system ensures that the compressed air is free from moisture, particulate matter, and oil contaminants. This clean and dry air is then delivered to downstream applications, protecting equipment, minimizing corrosion, and ensuring optimal performance in various industrial processes.
