Fiber Bed Mist Eliminators Processes Generate Finer Droplets

Fiber bed mist eliminators are made out of dense layers of micron size fibers placed between two concentric cylindrical cages. Fiber bed mist eliminators can meet a wide range of application and industry requirements. And fiber bed mist eliminators are available in Energy Saver, High Efficiency, and Field Pack designs.

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Fiber bed mist eliminators are the best choice when some industrial processes generate finer droplets than a composite mesh pad mist eliminator can contain. These devices utilize fine fibers along with a concept commonly known as diffusion or Brownian motion. The particulate will impinge upon the media before it reaches the outlet. This is due to the density of the media and the velocity of the air stream. The liquids coalesce in the fiber material and drains to the bottom.

These devices are typically a vertical cylinder, and should be protected by a pre-filter device. Fiber Bed Eliminators are very efficient as a final control device for sources with high Hydrochloric Acid emissions.

Features of the Fiber Bed Mist Eliminator

Include a pre-filter section to protect main filters; blower inside housing for quieter operation; 10 gauge heavy duty construction; easy to read pressure gauges; hinged doors for easy access; small filter footprint for ease of handling (no forklift required); blower discharge from either top or side of unit for easy installation.

Fiber Bed Mist Eliminators are high efficiency separators that are able to collect droplets at submicron level. They are available as cylindrical elements and can be manufactured in a broad range of materials.

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Applications:

Typically, collection efficiencies of 94 to 99.7 percent on all particles one micron and smaller in diameter are utilized in Brink® mist eliminator systems. Our diffusion bed mist eliminators are designed for a specified pressure drop, usually in the range of two to 20 inches of water column. Since pressure drop is proportional to fiber bed area, the size and cost of a Brink® diffusion fiber bed increases for lower designed pressure drops and higher collection efficiencies. The figure below shows the effect of pressure drop and collection efficiency on the cost of Brink® mist eliminator diffusion fiber beds for a given gas flow.

NOTE:  Collection efficiencies in all Brink® mist eliminator systems are measured on a weight basis by particle size. Brink® systems can be designed to meet varying client needs, with collection efficiencies of 100 percent on all particles larger than one micron in diameter and as high as 99.999+% on all particles less than one micron in diameter.

We select the optimum fiber bed design for your process to minimize total cost. Note that in addition to up-front capital cost, the overall life cycle cost of mist eliminators includes operating pressure drop (energy consumption) and the cost of maintenance. Often it is better to include extra operating margin in the mist eliminators to extend service life rather than trying to find the lowest cost installation.

For minimum overall life cycle cost, it is important when purchasing a fiber bed system to balance collection efficiency, operating pressure drop, and product service life. Brink® mist eliminator application experience in over 300 applications with over installations world-wide will help assure your fiber bed design will provide balanced, state-of-the-art performance for your peace of mind.