连续炼铜环集烟气处理系统升级改造生产实践  

Production practice of upgrading on the flue gas treatment system of continuous copper smelting

作　　者：葛晓鸣 孙子虎 刘建萍 李兆宏 张均杰 GE Xiao-ming;SUN Zi-hu;LIU Jian-ping;LI Zhao-hong;ZHANG Jun-jie

机构地区：[1]烟台国润铜业有限公司,山东烟台264002

出　　处：《中国有色冶金》2021年第1期57-61,共5页China Nonferrous Metallurgy

摘　　要：烟台国润铜业有限公司采用富氧侧吹熔炼+多枪顶吹连续吹炼+火法阳极精炼连续炼铜生产工艺,为应对新的环保标准,对原有环集烟气处理系统也进行了工艺升级改造。根据公司现有设备基准排气量较低的现状,采取了在阳极炉工艺采用稀氧燃烧技术、将阳极炉氧化期烟气分流到制酸净化入口、将顶吹炉渣口烟气送到侧吹炉烟道、改造烟道系统、调整负压分配、配置新设备等措施。改造后的烟气处理系统具备处理连续炼铜产生烟气的能力,排放的尾气含尘量小于10 mg/m^3,SO_(2)浓度小于30mg/m^3,NOx浓度小于50 mg/m^3,达到了山东省第四时段重点控制区排放标准,而且年节省脱硫材料费98.2万元。本文对此次环集烟气处理系统升级改造进行了详细介绍,并对工艺细节的优化和改造进行了说明。Yantai Guorun Copper Industry Co.,Ltd.adopts the production process of oxygen-enriched side blowing smelting process and multi-gun top blowing continuous blowing process and fire anode refining continuous copper smelting production process.In response to the new environmental protection standards,the original flue gas treatment system is also need to be upgraded and transformated.According to the current situation that the exhaust treatment volume of the existing equipment is low,the anode furnace process adopts the lean oxygen combustion technology,the anode furnace oxidation period flue gas is split to the acid purification inlet,and the top blowing slag outlet flue gas is sent to the side-blowing furnace flue,and adopts other measures such as transformation of flue system,adjustment of negative pressure distribution,configuration of new equipment,and so on.The modified flue gas treatment system has the ability to process flue gas from continuous copper smelting.The exhaust dust content is less than 10 mg/m^3,the SO_(2) concentration is less than 30 mg/m^3,and the NOx concentration is less than 50 mg/m^3,reaching the fourth period emission standards in Shandong Province,and saving 982000 yuan per year for desulfurization materials.This article gives a detailed introduction to the upgrade and transformation of the flue gas treatment system,and explains some optimization and transformation details.

关 键 词：连续炼铜 冶炼烟气 烟气处理系统 升级改造 

分 类 号：TF811[冶金工程—有色金属冶金] TF803.5