Cyclone Dust Extraction
How It Works
Dust-laden air enters the cyclone tangentially and immediately hits the rounded wall of the cyclone. The air then starts to spin and move downwards.
Due to the top outlet having a duct projecting down into the chamber, the air cannot immediately turn up but has to move down the body of the cyclone before leaving it, now spinning as it goes.
The dust is therefore thrown out by centrifugal force to the outer walls of the cyclone. The cleaned air, having to exit via the smaller central opening, spins faster and self-cleans.
The cleaned air then leaves via the central opening and the heavier dust falls to the bin or rotary valve at the bottom of the cyclone, out of the air movement zone and therefore allowing the dust to collect and be removed later.
Cyclones can achieve efficiencies of up to 99% although their efficiency reduces for finer & lighter particles. They can often make an excellent cost-effective prefilter for a conventionally-filtered cartridge or fabric dust collector to remove the majority of the dust and avoid premature filter blocking. If can achieve almost 100% efficiencies on larger and heavier dusts like wood shavings, shelling, and metals.
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