Process Optimization and Wet Electrostatic Precipitator Technology Research on Flue Gas Desulfurization Absorption Tower in Coal-fired Power Plants
In order to improve the desulfurization efficiency of the absorption tower,research was conducted on the optimization of the internal process of the flue gas desulfurization absorption tower in coal-fired power plants and the wet electrostatic precipitator technology.Selecting a 2 x 1 000 MW unit in a coal-fired power plant as the research object,a geometric structure model of the flue gas desulfurization spray tower in a coal-fired power plant is established.The desulfurization efficiency of the flue gas desulfurization absorption tower is analyzed from multiple perspectives such as reaction zone volume,spray slurry velocity,and spray load.The conclusion is that setting a first three layer and first two three layer spray mode,with a spray slurry velocity of 9 m/s and a spray load between 100%and 160%,can achieve the best desulfurization effect of the flue gas absorption tower in a coal-fired power plant.On this basis,the application of wet electrostatic precipitator technology is carried out according to the steps of flue gas pretreatment,electric field charging,wet collection,continuous ash cleaning,emission and monitoring.Practice has shown that the application of this technology can not only efficiently remove dust particles in flue gas,meet environmental standards,but also reduce energy consumption and improve the stability of power plant opera tion.
coal-fired power plantswet electrostatic dust removal technologyoptimizationabsorption towerflue gas desulfurization