Flat plate type dust collector

Abstract

The invention discloses a flat plate type dust collector. The flat plate type dust collector comprises a shell, wherein one end of the shell is provided with an air inlet, and the other end of the shell is provided with an air outlet; the air inlet and the air outlet are coaxial, and the shell is internally provided with main and subsidiary dust collecting units which are mutually perpendicular; the subsidiary dust collecting unit is horizontally arranged in the shell, and the front end of the subsidiary dust collecting unit is connected with the upper part of the shell through a front separation baffle which is perpendicular to the subsidiary dust collecting unit; the rear end of the subsidiary dust collecting unit is connected with the main dust collecting unit through a rear separation baffle, and axes of the air inlet and the air outlet of the shell are perpendicular to a windward side of the main dust collecting unit; the main and subsidiary dust collecting units both comprise dust collecting pole plates and discharge electrodes arranged outside the dust collecting pole plates, the discharge electrodes are perpendicularly uniformly provided with discharge electrode burrs, and the dust collecting pole plates are composed of dust collecting poles arranged in a clamping groove frame. The flat plate type dust collector provided by the invention has the beneficial effects that the dust collecting effect is good, a dust cleaning device is combined, the service life of each dust collecting pole plate is prolonged, and dust collecting effects of the dust collecting pole plates are guaranteed.

Description

technical field [0001] The invention relates to a dust removal device combining flat-plate electrostatic adsorption and filter interception, belonging to the field of particle dispersion adsorption. Background technique [0002] Electrostatic precipitation technology is to use DC high voltage power supply to generate a strong electric field to ionize and discharge the negatively charged gas in the gas, so that the dust in the gas is charged and attached to the dust collecting pole with the opposite polarity under the action of the electric field force to realize the dust removal. Separation of particles and gases. The bag dust removal technology uses the filter bag to intercept, filter and ventilate the dust particles in the gas to intercept and attach to the surface of the filter bag, and the clean gas passes through the filter bag to achieve the separation of dust particles and gas. At present, electrostatic precipitators and bag filters are widely used in the field of ga...

AI Technical Summary

Problems solved by technology

At present, electrostatic precipitators and bag filters are widely used in the field of gas dust removal, but there are the following deficiencies: 1. The electrostatic precipitator is not ideal for dust collection with high specific resistance, and the fine particles carried by the gas to the final electric field are charged Weak capacity is difficult to be collected by the dust collecting plate, resulting in more fine particles in the discharged gas and causing environmental pollution

2. Although the bag filter has good dust collection effect, it has the disadvantages of high filter bag replacement cost and high pressure resistance, resulting in high operation and maintenance costs for users

[0003] Chinese patent 200810116107 discloses a high-efficiency dust-collecting electrostatic precipitator, which uses a porous metal shell and built-in porous foam to form a dust collection plate and separates the particles in the gas through the dust collection plate. Limited, not very practical for industrialization

[0004] For other electrostatic precipitators, most of them use the gas inlet and outlet to be arranged in parallel with the dust collection plate, such as a kind of electrostatic precipitator disclosed in Chinese patent 201220554227.7, the gas entering the gas inlet passes through the gas outlet after being dedusted by the dust collection plate, but Due to the parallel arrangement between the dust collection plate and the gas flow direction, the dust removal effect is often not good

[0005] However, Chinese patent application 2013101171440 discloses a wet electrostatic precipitator. On the basis of the existing electrostatic precipitator, a wet method is used to clean the dust collection plate, but this kind of direct spraying method consumes more water. The waste water generated needs to be treated again, the investment cost and operation cost are high, and the supply of clean water needs to be continued, which is inconsistent with the national resource conservation policy orientation

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