水泥窑协同处置污泥.pdf

水泥窑协同处置 污泥技术 Technology for sludge co-processing in cement kiln 主要技术优势 Main technical advantages ●燃烧温度高，物料在燃烧区停留时间长，有机物分解彻底； ●回转窑热容量大，工作状态稳定，处理污泥的能力大； ●水泥窑的碱性环境抑制酸性气体的排放； ●水泥熟料对重金属固化效果好，重金属稳定化程度高，对污 泥的适应性强； ●无机矿化利用，有机质替代燃料，资源化利用程度高； ●水泥窑系统有废热资源可供利用； ●总体投资少、运行费用低、二次污染少，处理彻底； High temperature combustion, long residence time for material stay in ● combustion zone, thorough decomposition of organic matter; Rotary kiln with big thermal capacity, stable operation status, big ● capacity for sludge disposal; Alkaline environment of cement kiln inhibit the emission of acid gas ; ● Clinker has better solidification effect to heavy metal, a high degree ● stabilization of heavy metal , and strong adaptability of sludge; Inorganic matter mineralization reuse, organic matter as alternative ● fuel, with high degree resources recovery; Waste heat resources are available in cement kiln system; ● Overall, less investment , low operation cost, less secondary pollution,