The working principle of the tungsten ion emitter needle is based on the working principle of the electrostatic precipitator. The electrostatic precipitator is a device that uses the electrostatic field force to separate tiny particles and harmful gases in the gas. When the gas containing dust particles passes through the electrostatic precipitator, the dust particles will be charged and then adsorbed on the surface of the dust collector under the action of the electric field force.
The tungsten ion emitter needle is one of the key components in the electrostatic precipitator. Its function is to generate a high-voltage electric field so that the electrons in the gas are excited to form free electrons and ions. These free electrons and ions move to the surface of the dust collector under the action of the electric field force and attach to the dust particles therein, so that the dust particles are adsorbed and collected.
The tungsten ion emitter needle is usually composed of a high-voltage generator and a discharge needle. The high-voltage generator generates a high-voltage electric field, and the discharge needle is the discharge electrode of the electrostatic field. The shape and size of the discharge needle are usually designed according to the actual application requirements. It is generally slender and has high thermal conductivity and high electrical conductivity.
When the electrostatic precipitator is working, the tungsten ion emitter needle will generate a large number of free electrons and ions to form corona discharge. These free electrons and ions move to the surface of the dust collector under the action of the electric field force, and attach to the dust particles therein, so that the dust particles are adsorbed and collected. When a certain amount of dust particles is collected on the surface of the tungsten ion emitter needle, the dust particles are removed from the surface of the discharge needle by a vibration device or other means to achieve dust collection and purification.
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