Electrostatic filter systems for oil and emulsion mists are a sustainable solution for industry and handicraft. The pre-filters and main filters are washable and reusable. Their flow-optimized design ensures a long service life and consistently high performance.

This is how the system works:

Electrostatic air filters are based on the principle of electrostatic attraction forces. The crude gas with dirt particles enters the filter section via the air intake. First, the polluted air is drawn through a pre-filter. There, coarse particles are removed. At the same time, the pre-filter also protects the subsequent filters. In certain applications, such as fine oil or emulsion mist, a pre-filter specifically designed for particle agglomeration can also be used.

The fine, neutral aerosols then enter an ionizer. There, they are “charged” by an electric field. In this section, the particles are polarized by the attachment of additional ions. These ions are released by applying high voltage to the ionizer wires (corona discharge). The particles, now carrying a directed (positive) charge, then enter the collector section with the airflow.

In the next step, the charged particles are directed into the collector area. The alternately charged and parallel mounted collector plates repel the particles, causing them to collide with the grounded collector plates. The dirt collected in this way can then agglomerate into larger droplets and subsequently run off downwards. Solid particles (like smoke, dust) that are persipated, form a layer on the plates, which should be cleaned at reasonable intervals.

Optionally, additional post-filters can be installed, for example against smoke or odors.

Finally, a fan ensures that the purified air is expelled from the device.

This technology offers the significant advantage that the filter elements are cleanable and therefore reusable.