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The electrostatic air filter is generally composed of two stages. When the air passes through the first stage of the filter section, the particles in the air are charged under the action of circulating ions between the main plate and the ground electrode; then the collection section, where the charged particles are Filter segments are captured. When the gas-containing dust particles pass through the high-voltage electric field formed between the cathode line connected to the high-voltage DC power supply and the grounded anode plate, the gas is ionized due to corona discharge at the cathode. At this time, the negatively charged gas ions, Under the action of the electric field force, the plate moves toward the sun, and when it collides with the dust particles during the movement, the dust particles are negatively charged, and the charged dust particles also move to the anode under the action of the electric field force. The electrons are released, the dust particles are deposited on the anode plate, and the purified gas is discharged out of the dust filter.
This equipment has less investment, a small footprint, no secondary pollution, and low operating costs. Because it is easy to capture dust with a smaller particle size, the purification efficiency is high, up to 85~95%. The difference between its purification mechanism and the gas method is that the separation force is an electrostatic force, which acts directly on the particles, not on the airflow, so it has the characteristics of low energy consumption and low resistance.
The electrostatic air filter discharges the purified air directly into the room, which achieves the purpose of purification, and reduces the energy loss of cooling or heating in the working environment. The electrostatic air purification device has the advantages of high purification efficiency, a large amount of flue gas and mist, long service life, and a low operating cost. It is not only used for grinding machines, gear processing, and large-scale machining centers, but also for other equipment that generates a large amount of oil mist, dust, oil fume, and emulsified aerosol during processing.
