侧吹浸没燃烧技术在工业危废处置行业的应用

Application of Side-submerged Combustion Smelting Process(SSC)to the Industrial Hazardous Waste Disposal Industry

本文回顾了国内危废行业发展历程,分析了目前工业危废处置技术的优势和不足,详细介绍了中国恩菲自主研发的侧吹浸没燃烧技术的原理、核心装备,及其在工业危废处置行业的推广应用。侧吹浸没燃烧熔池熔炼技术通过侧吹喷枪将富氧空气和燃料以接近声速的速度喷入熔池内部,使燃料在熔池内充分燃烧,直接为熔池中的反应提供热量。同时,由喷枪喷入的气体及燃烧产生的气体对熔池形成搅拌,加快熔池内部的传热、传质。处理工业危废的核心设备为综合回收处理炉。采用侧吹浸没燃烧熔池熔炼技术处理危废具有原料适应性强、作业率高、安全性好、烟尘率低、有价金属回收率高等优势,可实现工业危废的无害化处置和资源综合回收。

This paper reviewed the development history of hazardous waste industry in China,analyzed the advantages and disadvantages of current industrial hazardous waste disposal technology and highlighted the principle and core development of SCC independently developed by China ENFI as well as its promotion and application in the hazardous waste disposal industry.SSC refers to the injection of oxygen-enriched air and fuel into the bath through the side-blowing lance at an approximately sound velocity,making the fuel fully burnt in the bath and providing energy for the reaction.Meanwhile,the gas injected by lance and produced from combustion stirs the bath and accelerates the heat and mass transfer in the bath.The core equipment for industrial hazardous waste treatment is the comprehensive recovery treatment furnace.SSC is characterized by advantages of strong adaptability of raw materials,high availability,good safety,low dust yield and high recovery date of valuable metals,which can achieve hazard-free disposal of industrial hazardous waste and comprehensive resources recovery.