High Reliability Environmental Protection Equipment , Industrial Dust Removal Equipment

Secondary dust removal equipment for umbrellas of cement industry dryer

Rotary umbrella electrostatic precipitator is a secondary dust removal device used in cement industry dryers. It is suitable for dust removal of clay, coal, iron powder and slag. It is made up of four vertical metal cylinders for electric dust collection. The main part of the cylinder is equipped with a plurality of topless umbrella-shaped dust collecting poles. The center of the cylinder is equipped with a spur corona wire, and a spring protection device is installed at the lower joint of the corona wire. The dust collector of this structure is not The secondary dust is generated, the dust collection efficiency reaches 99.8%, and the service life is long, and the dust collection effect is good.

Rotary umbrella electrostatic precipitator is used for separation of exhaust particulates and fine dust in industrial sites such as metallurgy, mining, cement, thermal power plants, building materials, foundry, chemical, tobacco, mechanical processing, boilers, cement raw materials, clinker mills, cupolas, etc. device.

In the umbrella-type electrostatic precipitator, the dust particles with different charge polarity are respectively moved to the electrodes of different polarities under the action of the electric field force. A portion of the charged dust particles in the corona region and near the corona region are opposite in polarity to the corona electrode, and are thus deposited on the corona pole. The range of the corona zone is small and the number of captures is small. Most of the dust particles in the outer region of the corona have the same electric charge of the corona polarity. Therefore, when these charged dust particles are close to the surface of the dust collecting electrode, they are deposited on the electrode plate and trapped. The collection of dust particles is related to many factors. Such as the specific resistance, dielectric constant and density of the dust particles, the flow rate of the gas, the temperature, the volt-ampere characteristics of the electric field, and the surface state of the dust collecting pole. It is impossible to theoretically express the influence of each factor. Therefore, in the trapping process of electrostatic precipitators, the influence of various factors should be determined according to experiments or experience.