基于余热利用的ISP干燥回转窑高湿物料的预处理技术  

Pretreatment Technology of High Wet Material in ISP Drying Rotary Kiln Based on Waste Heat Utilization

作　　者：虞宏洋 曾平生 江旭 孙子金 伍东玲[1] YU Hongyang;ZENG Pingsheng;JIANG Xu;SUN Zijin;WU Dongling(School of Energy Sci ence and Engi neering,Central South Uni versity,Changsha 410083,China;School of Metallurgy and Envi ronment,Central South Uni versity,Changsha 410083,China;Shaoguan Smelter,Shenzhen Zhongjin Lingnan Nonferrous Metals Co.,Ltd.,Shaoguan 512024,Guangdong,China)

机构地区：[1]中南大学能源科学与工程学院,长沙410083 [2]中南大学冶金与环境学院,长沙410083 [3]深圳市中金岭南有色金属股份有限公司韶关冶炼厂,广东韶关512024

出　　处：《有色金属(冶炼部分)》2025年第4期181-185,共5页Nonferrous Metals(Extractive Metallurgy)

基　　金：国家重点研发计划项目(2022YFC3901601)。

摘　　要：针对某企业ISP生产工艺中回转窑干燥能力不足的问题,对回转窑的能质流进行了详细分析,发现搭配处理高湿物料、使入窑物料的含水率显著增加是造成回转窑能力不足的主要原因。分析了ISP工艺流程余热资源的品位与特点,提出了利用热风炉烟气余热预干燥高湿物料的思路;并给出了基于热风炉烟气预干燥高湿物料的工艺流程以及多通道交叉逆流式干燥设备结构的初步方案。Address to the insufficient drying capacity of the rotary kiln in an enterprise's ISP production process,a detailed analysis of the energy and quality flow in the rotary kiln was conducted.It is found that the main reason for the insufficient drying capacity of the rotary kiln is the combination of processing high-moisture materials and increasing the water content of the feed material.The grade and characteristics of the waste heat resources in the ISP process were analyzed,and the idea of using the waste heat of the hot air stove to pre-dry high-moisture materials was proposed.The process flow based on pre-drying of high-moisture materials using waste heat of the hot air stove and the preliminary scheme of multi-channel cross-countercurrent drying equipment structure were given.

关 键 词：密闭鼓风炉 余热回收 兰粉 干燥 回转窑 

分 类 号：TF812[冶金工程—有色金属冶金] TF813