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DSI - Dry Fog Systems
We create dry fog. Our technology uses air atomizing nozzles that produce water droplets 10 micron or less. These ultra-fine water droplets add less than 0.1 percent of moisture by weight and attach to like size dust particles and drop them back into the process. DSI Dry Fog systems are designed and engineered to effectively reduce fugitive dust at material handling points.
The use of Dry Fog for dust suppression is based on the concept of agglomeration. Dry Fog technology uses compressed air and plain water to create micron sized droplets. When like-sized droplets and dust particles collide, agglomeration occurs which results in larger particles that fall back into the process by gravity because they are too heavy to remain suspended in the air.
To achieve agglomeration at the dust source, equal amounts of like sized particles of water droplets and dust particles must exist and they must be contained in an enclosed area.
At the treatment point, fog droplets are used to blanket the dust source and prevent the dust particles from becoming airborne.
Our Dry Fog systems significantly reduce fugitive dust from a variety of material handling points, including conveyor transfer points, trippers, reclaimers, crushers, screens, truck dumps, railcar loading/unloading, ship loaders-unloaders, and ash silo discharge chutes. Our systems can meet all requirements for explosion hazard areas. Freeze protection can be provided for systems operating in temperatures as low as -60 degrees C.
Ease of installation, simplified maintenance, and flexible system configuration are just a few advantages of using Dry Fog to suppress dust. The overall capital investment and operating costs can be more affordable than the cost of ventilation and chemical type systems.