摘要
Abstract
With the implementation of "the Boiler Air Pollutant Emission Standard" (GB13271-2014) and "the Emission Standard of Air Pollutants for Thermal Power Plants" (GB13223-2011), most sugar enterprises have no choice but to reform the dust removal system of bagasse boiler so that concentration of dust emissions meets the new standard requirements. Combined with the characteristics of bagasse dust, the wet electrostatic dust removal technology was introduced for dust removal in bagasse boilers. It has the advantages of low investment cost, low labor intensity, low maintenance cost, high dust removal efficiency and no risk of high temperature deflagration. The paper introduces the principle of the wet electro static precipitator, structure and classification, key technologies and characteristics. The vertical honeycomb tube wet electrostatic precipitator was characterized by a compact structure, installation of small size, less water consumption, low power consumption and small footprint. After that, it was selected and installed behind the raw water membrane filter, for the two fine dust removal efficiency of bagasse boiler. The monitor data showed that the average emission concentration of the dust in the chimney of the boiler was reduced to below 20 mg/m3, which conforms to the new standard (dust concentration≤30 mg/m3). In addition, the reduction rate of particulate matter emission was more than 60%, the dust removal effect was remarkable.关键词
湿式静电除尘技术/工作原理/蔗渣锅炉/除尘系统/烟尘排放浓度Key words
Wet electrostatic dust removal technology/Working principle/Bagasse boilers/Dust removal system/Concentration of dust emissions分类
轻工纺织
