A wet-type high-efficiency cyclone removal device for fine particles

Abstract

The invention provides a wet-type high-efficiency swirl flow device for removing fine particles, comprising a swirl cylinder, a swirl washing plate, a sprayer, a spray liquid film nozzle, a mist eliminator, a filter, a variable frequency water pump, a liquid collection tank, a PM concentration measuring instrument and a Control signal sensor; the lower end of the swirl cylinder is provided with a liquid collecting tank and a liquid drain, a flue gas inlet is tangentially arranged on the upper cylinder body, and a flue gas outlet is arranged at the upper end of the cylinder body; the swirl washing plate , sprayer and spray liquid film nozzle are fixedly installed in the cylinder cavity from bottom to top; the mist eliminator is installed in the upper part of the cylinder cavity and below the flue gas outlet; the water outlet of the water pump is connected to the spray liquid film through pipes The water inlet of the sprinkler is connected to the sprayer. Realize the use of spray dust reduction, cyclone plate washing, liquid film dust control and adsorption, so that the cyclone separation device can efficiently remove fine particles, and the operation is stable and reliable. After the flue gas is purified, there is no mist and water entrainment. The material of the equipment has the properties of corrosion resistance, wear resistance and high temperature resistance, and has a long service life.

Description

technical field [0001] The invention belongs to the research field of dust removal environment protection, and in particular relates to a wet-type high-efficiency swirling device for removing fine particles. Background technique [0002] SO2 and inhalable particulate pollution produced by coal combustion are the main pollution of my country's atmospheric environment. At present, dust removal devices are installed before the wet desulfurization process, such as electric dust removal, mechanical dust removal, and bag dust removal. The removal efficiency of fine particles is very low and decreases significantly with the decrease of particle size. In addition, wet flue gas desulfurization and dust removal generally use water mist spraying or water curtain filtration, because the overlapping process of flue gas and water mist is short, the contact area is small, and the dust removal effect is affected. During the desulfurization process, due to the strong contact of gas and liq...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a solution for the above-mentioned existing wet flue gas desulfurization and dust removal process, the flue gas contains a large number of mist droplets, the removal of fine particles is difficult, the process is complicated, the swirl plate is fouled and blocked, and the required energy consumption is high. A wet-type high-efficiency cyclone removal device for fine particles, which realizes spray dust reduction, swirl plate washing, liquid film dust control and adsorption, so that the cyclone separation device can efficiently remove fine particles, and the operation is stable and reliable

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