Chimney Sweeping- Airborne Dust Dangers and Dust Extractors

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Chimney Sweeping- Airborne Dust Dangers and Dust Extractors What is an airborne dust extractor? An airborne dust extractors is a powerful adjustable, fan unit built within a casing. The casing houses a very large HEPA filter and a pre filter at the air intake end. They are generally mains electric powered and often of a size as to be portable.

What do they do? As the name suggest an airborne dust extractor removes small dust particles from the working areas atmosphere. It accomplishes this by by catching them in a highly efficient HEPA filter. A centrifugal fan draws in and then blows out air from the room in an action that recirculates its entire volume many times removing harmful particles in the process. Most units are also capable of depressurising a work area or space by attaching a hose to the exhaust and then routing said hose to the outside space. This can be invaluable when there is a lot of dust that you need to contain within one room or dust tent. In this scenario a vacuum is formed in the work area causing air to be drawn in through any available crack/holes. This action makes it almost impossible for dust to escape as the vacuum makes a one way road so to speak. Health issues regarding fine dust. It is very well documented that fine dust particularly particles between pm10 and pm 2.5 pose a significant health risk within the general population. This dust typically originates from industrial processes and combustion of hydrocarbon based fuels. It is estimated that around 37000 premature deaths are attributable to pm2.5 dust pollution in the U.K. each year (ref European Environment Agency figures published for 2012). This same fine dust is what us chimney sweeps clean from chimneys each day and as such we have a much higher risk from prolonged exposure and increased concentration. Where would we use such a device when we already have clean process? After many years of trials we have come to the conclusion that no matter how good or clean your process is


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