Cyclonic Filter

Cyclonic filter

The cyclonic filter or separator is a static dust collector, without moving parts, in which the separation of dust takes place by the combined action of centrifugal force and gravity.

Each cyclonic filter is composed of:

cylindrical body of the filter;
inlet channel for dusty air, tangential to the cylindrical body of the filter, functional for the production of a rotary motion of the air (from which the filter takes the name “cyclone”);
upper axial ejection channel;
lower conical body with dust discharge function.

The cyclonic filter or separator takes advantage of the different specific weight of the particles to separate air and dust.

The dusty air, entering tangentially in the cylindrical part of the cyclonic filter, undergoes a swirling centrifugal motion, with an axial component towards the bottom of the conical part, in the direction of the dust discharge.
The principle of operation of the cyclonic filter consists in projecting the dust particles, heavier than air, against the inner walls of the filter itself, to then make them fall back into the lower conical part due to the force of gravity.

The cyclonic filter is used in the abatement of dust or air pollutants, preferably dry, present in the air in fairly high concentrations and having high specific weight and coarse dimensions. The cyclonic filter can be used as a pre-filter, upstream of other dust collectors, or as a single filter in pneumatic powder transports.

Cyclonic Filter: advantages and variables for dedusting and air purification
The effectiveness of an industrial dedusting system with a cyclonic filter or separator can depend on several factors:

average particle size (granulometric distribution);
average specific weight of the particles;
speed of gas flow;
construction geometry of the cyclone.

The knowledge of these variables is of fundamental importance to be able to calibrate and size the filter correctly, according to the required air flow.

What distinguishes the cyclonic filter in the field of industrial dedusting systems are the many advantages offered, both from an economic and functional point of view:

reduced installation cost;
no maintenance costs;
reduced operating cost;
reduced pressure drops.

Cyclonic filter or separator for industrial suction systems customized to perfection.

The cyclonic filter is highly customizable according to the customer’s technical needs: it can be made of painted carbon steel or stainless steel; it can be entirely welded or made of flanged parts, with bolted connections, and equipped with flange or support feet.

The air inlet can also be arranged on the right side or on the left side of the cyclone, depending on the specific layout needs.