A kind of air purification method that suppresses ozone production

Abstract

The invention discloses an air purification method inhibiting generation of ozone. Air with micro dust particles is purified sequentially according to the following steps of the ionization step, the dust collecting step and the ozone removing step, wherein in the ionization step, the air is ionized into positive ions and negative ions through a first discharging field, the micro dust particles in the air collide with the positive ions and the negative ions to carry positive charges or negative charges, and part of oxygen in the air is made to form ozone in the step; in the dust collecting step, the micro dust particles with the positive charges or the negative charges move to a dust collecting plate under the effect of the first discharging field and are adsorbed on the dust collecting plate; and in the ozone removing step, the air subjected to the dust collecting step is made to pass through a second discharging field with the direction opposite to that of the first discharging field, and the ozone formed in the ionization step is reduced into oxygen. The air purification method inhibiting generation of the ozone has the beneficial effects that the ozone generated in the air purification process can be reduced into the oxygen, and therefore the generation of the ozone is inhibited.

Description

technical field [0001] The invention relates to the field of air purification, in particular to an air purification method for suppressing ozone generation. Background technique [0002] There are a small amount of free electrons and ions in the air. Under the action of the electric field generated by the discharge electrode and the dust collection electrode in the air purification device, they move to the two poles of the electric field respectively. The higher the voltage between the discharge electrode and the dust collection electrode , the stronger the electric field, the faster the movement speed of free electrons and ions. Due to the movement of ions, a current is formed between the discharge electrode and the dust collection electrode. When the voltage rises to a certain value, the ions near the discharge electrode get faster High energy and speed, and hit the neutral atoms in the air, the neutral atoms decompose into positive and negative ions, so that the air is io...

AI Technical Summary

Problems solved by technology

[0003] The existing electrostatic air purification device is designed based on the principle of corona discharge. With the discharge of corona, a certain concentration of ozone will inevitably be generated, and with the increase of the voltage between the discharge electrode and the dust collection electrode , the concentration of ozone produced will also increase, even exceeding international or national standards, but reducing the voltage between the discharge electrode and the dust collector will reduce the degree of ionization of the air around the discharge electrode, thereby affecting air purification The dust collection effect of the device leads to a decrease in the clean air output ratio of the air purification device