钢铁行业半干法脱硫副产物资源化利用  

RESOURCE UTILIZATI RECEARCH OF CALCIUM-BASED DESULFURIZATION BY-PRODUCTS IN IRON AND STEEL INDUSTRY

作　　者：郭彩云 侯长江 孙宇佳 梁宝瑞 Guo Caiyun;Hou Changjiang;Sun Yujia;Liang Baorui(Department of Environmental Engineering, Tianjin College, University of Science and Technology Beijing, Tianjin 301830;HBIS GROUP Co., Ltd., Shijiazhuang 050000,Hebei)

机构地区：[1]北京科技大学天津学院环境工程系,天津301830 [2]河钢集团有限公司,河北石家庄050000

出　　处：《河北冶金》2021年第12期72-74,共3页Hebei Metallurgy

基　　金：北京科技大学天津学院第六批校级本科教育教学改革与研究项目(tyjy2021030);天津市市级大学生创新创业训练计划项目(202013898016)。

摘　　要：随着钢铁行业快速发展,环保减排也越来越严格。针对半干法钙基烟气脱硫后副产物回填或堆放而污染环境的问题,探讨了其高效资源化利用途径。通过对比脱硫副产物在水泥缓凝剂、矿渣微粉添加剂、保湿型干混砂浆、烧结、蒸压砖等方面应用的优缺点,认为利用钙基脱硫副产物制备建筑材料是一个较好的选择。同时,以硫酸钙和亚硫酸钙稳定性为研究点,提出了对其进行改性的方法。With the rapid development of iron and steel industry,environmental protection and emission reduction are becoming more and more strict.Aiming at the problem of environmental pollution caused by backfilling or stacking of by-products after semi-dry calcium based flue gas desulfurization,the ways of efficient resource utilization are discussed.By comparing the advantages and disadvantages of desulfurization by-products in cement retarder,slag powder additive,moisturizing dry mixed mortar,sintering and autoclaved brick,it is considered that using calcium-based desulfurization by-products to prepare building materials is a better choice.At the same time,taking the stability of calcium sulfate and calcium sulfite as the research point,the modifying method is put forward.

关 键 词：半干法 脱硫副产物 资源化 钙基脱硫剂 改性 稳定性 

分 类 号：X757[环境科学与工程—环境工程]