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Frequently Asked Questions
What does a cyclone use to separate dust?
Inertia alone.
Air is spun into a vortex on entry.
Heavier particles are thrown to the wall.
They fall into a collection vessel.
There is no filter media anywhere.
Nothing wears out or gets replaced.
Why is it usually not the whole answer?
It handles the coarse fraction well.
Efficiency falls as particles get finer.
Fine dust passes straight through.
Air quality limits are rarely met by it alone.
A filter is still needed downstream.
Its role is to protect that filter.
What does it do for the filter behind it?
Removes the bulk of the loading.
The filter then cleans far less often.
Compressed air consumption drops with it.
Media life extends considerably.
Collected material lands in a bin, not in media.
On heavy duties it pays back quickly.
Which duties benefit most?
Those with heavy, coarse loading.
Woodworking produces large volumes of chip.
Grain handling and shot blasting likewise.
Filter-only systems struggle on these.
The cyclone takes the volume out first.
Total cost over a few years usually falls.
Does it protect equipment as well?
Yes, in two useful ways.
Sparks and hot particles drop out in the vortex.
They never reach filter media.
Heavy tramp material is separated before the fan.
That prevents impeller damage.
Both are worth having on grinding duties.
Why does airflow matter so much?
Efficiency depends on velocity in the vortex.
Below design airflow, separation falls away.
An oversized cyclone performs worse, not better.
This is unlike most equipment.
Size it at the actual duty.
Variable flow systems need care here.
What maintenance does it need?
Emptying, and watching for wear.
The collection vessel fills and must be cleared.
Abrasive dust erodes the body over years.
Wear is worst opposite the inlet.
Some designs offer replaceable liners.
There is nothing else to service.