Waste incineration tail gas treatment system

The utility model discloses a waste incineration tail gas treatment system. The system comprises an alkaline residue slurry concentration device, a centrifugal device, a mixing stirrer, a storage pit, a filter sieve, an alkaline residue slurry storage tank, a spray drying tower and a bag-type dust collector which are connected in sequence. The waste incineration tail gas treatment system provided by the utility model can directly treat waste incineration tail gas by using alkali residues of an ammonia alkali plant, the process is simple, the waste incineration tail gas treatment effect is good, the HCl removal efficiency is greater than 95%, the SO2 removal efficiency is greater than 80%, the HF removal efficiency is greater than 98%, and the heavy metal removal efficiency is greater than 80%. 本实用新型公开了一种垃圾焚烧尾气处理系统，该系统包括依次相连的碱渣浆液浓缩装置、离心装置、混合搅拌器、贮存坑、过滤筛、碱渣浆液贮存罐、喷雾干燥塔、布袋除尘器。本实用新型所提供的垃圾焚烧尾气处理系统可利用氨碱厂碱渣直接处理垃圾焚烧尾气，流程简单，垃圾焚烧尾气处理效果好，HCl脱除效率＞95％，SO2脱除效率＞80％，HF脱除效率＞98％，重金属脱除效率＞80％。