Dry Fog Dust Suppression Systems utilize compressed air and plain water to produce a very dry fog (1-10 micron droplet size). These ultra-fine water droplets attach (agglomerate) to like size dust particles, particulate matter 10 microns or smaller (PM-10). The slightly wetted dust particles are then heavy enough to be removed from the air by their added weight and fall back into the process. It is important to note, we only wet the dust, not the material, resulting in low water consumption and no significant wetting of the product (typically less than 0.05 % by weight). This is the driest form of dust suppression available.
Dry Fog Dust Suppression Systems have been around for a number of years and available from a number of suppliers worldwide. Even though many of these companies would claim the innovation of this technology which they sell, as their own, the technology has existed longer than many of these companies have been around. Even though DCT does not claim to have invented the process of Fog Based Dust Suppression, we do claim to have one of the most, well built, cleanest and easiest to operate and maintain fog systems in the industry today. We stand behind everything we sell 100%.
Dry Fog Dust Suppression Systems Advantages:
● Close to 99% reduction efficiency of respirable PM10 and PM2.5 dust particles
● Less than 0.5% moisture by volume added to the product.
● Returns useable material to the product stream.
● Low maintenance due to ultrasonic nozzle design, which is less likely to clog than standard spray nozzles.
● DSI modular design capability for future expansion of systems.
● Low installation costs with no expensive plant modifications required.
How does it work?
DSI technology uses a special air-atomizing nozzle that produces a very dry fog to agglomerate and remove airborne dust particles from various material handling and processing operations. The DSI system utilizes compressed air and plain water to produce these 1-10 micron droplets (true fog). These ultra-fine water droplets attach (agglomerate) to like size airborne dust particles, sometimes referred to as PM-10 (particulate matter 10 microns or smaller). Subsequently, the slightly wetted dust particles become heavy enough to be removed from the air and fall back into the process. It is important to note that we only wet the dust, not the material. This results in very low water and power consumption, requiring no expensive chemicals or significant wetting of the product (always less than 1/2 % by weight, typically no more than 0.1% moisture addition).
Where does it work?
DSI fog systems have proven to 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. DSI systems can meet all requirements for explosion hazard areas. Freeze protection can be provided for systems operating in temperatures as low as -35 degrees F. Due to a phenomenon known as “cloud physics”, fog droplets will not freeze due to their lack of mass!
What are the advantages?
There are many advantages to the DSI system, including ease of installation, simplified maintenance, and flexible system configuration. The overall capital investment and operating costs can be more affordable than the cost of ventilation and chemical type systems. Additionally, system performance is often superior. These advantages are the direct result of using easy to install, pre-assembled modular components housed in protective enclosures. We supply complete systems comprised of electrical controls, filtration, regulation, supply lines and nozzle mounts. If required, DSI can supply all necessary ancillary items including air compressors, air receiver stations, pumps, and self-cleaning secondary filtration systems.
Why Choose Fog Dust Suppression Systems?
As you can see, fog dust suppression systems are much more efficient than standard dry air filtration units. There are no filters to be concerned with and you’ll also enjoy these benefits:
● Less wear and tear on machinery from dust and debris
● Safer work environment
● Less risk of fires
● Lower risks of explosions
● “Breathable” air
● Easier to meet EPA standards
Benefits of Dry Fog Dust Suppression System
● Low-cost dust suppression solution
● Avoid loss of raw material (powder form)
● Avoid dust related defects
● Prevent hazardous airborne contamination
● Easy maintenance
● Improve the working environment