A wet electrostatic precipitator dust collection plate

Abstract

The invention relates to a dust collection pole plate of a wet electrostatic precipitator. The surface of the dust-collecting plate is concave-convex, and the concave parts form dimples. The dimples are arranged in rows on the plate surface, evenly arranged, and the centers of the two rows of dimples are arranged alternately. The connection is smooth, and the three-dimensional shape of the dimple is a spherical crown or a pyramid. The concave-convex dust-collecting plate of the present invention has the function of horizontal buffering and uniform distribution of water flow, and can control the direction of water flow, so that a uniform water film is formed on the entire plate surface, reducing the amount of washing water for the plate and reducing water consumption; The length of the pole plate can be increased from the existing 6-8m to 8-13m, reducing the equipment footprint; avoiding the formation of "channel flow" on the pole plate, improving the stability of the equipment operation, and ensuring the purification efficiency.

Description

technical field [0001] The invention belongs to the technical field of wet electrostatic precipitators, and in particular relates to a dust collecting pole plate of a wet electrostatic precipitator. Background technique [0002] With the rapid development of my country's economy, the discharge of various air pollutants has increased sharply, and smog and haze continue to appear in some regions and cities, which has become one of the factors that threaten my country's human health and sustainable social development. The main components of haze weather are various fine particles, including fine dust, sulfate, and nitrate aerosol particles. Therefore, the control of fine particles and aerosol particles is a key issue in controlling haze. [0003] Electrostatic precipitator and bag filter are currently widely used high-efficiency dust removal and purification devices, and the purification efficiency can reach more than 99%, but the removal efficiency of fine particles of 0.1-2.0...

AI Technical Summary

Problems solved by technology

[0008] In order to ensure the stable operation of the wet electrostatic precipitator, the key issue is to form a continuous and uniform water film on the dust collecting plate. When the wet electrostatic precipitator is used in a large scale, it is more hoped that the plate should be manufactured as long as possible. The smaller the area, but when the water film flows down by itself, encountering obstacles or uneven surfaces, the direction of the water flow will change, and a complete and uniform water film cannot be formed on the plate. The phenomenon of "channel flow" is formed, and the dust on the surface of some plates is difficult to remove, forming scaling, affecting the discharge performance of the electric field, and reducing the purification efficiency

At present, the measures to overcome the above difficulties mainly include increasing the amount of spraying water and flushing the plates; controlling the length of the plates to 6-10m to avoid the formation of channel flow, but increasing the amount of waste water and occupying an area

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