钒化工冶金固废资源化清洁利用

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李兰杰^1,2*，赵备备^1,2，高明磊^1,2，耿立唐^1,2，白瑞国^1,2，柳朝阳^1,2，王新东³

1. 河钢集团承钢公司，河北承德 0671022. 河钢承德钒钛新材料有限公司，河北承德 0671023. 河钢集团有限公司，河北石家庄 050023

收稿日期:2019-05-07修回日期:2019-05-26出版日期:2019-06-28发布日期:2019-06-10
通讯作者:李兰杰

基金资助:国家重点研发计划

Clean utilization of solid waste of vanadium chemical and metallurgy

Lanjie LI^1,2*, Beibei ZHAO^1,2, Minglei GAO^1,2, Litang GENG^1,2, Ruiguo BAI^1,2, Chaoyang LIU^1,2, Xindong WANG³

1. Cheng Steel Group Co., Ltd., HBIS Group Co., Ltd., Chengde, Hebei 067102, China 2. Chengde Vanadium and Titanium New Material Co., Ltd., HBIS Group Co., Ltd., Chengde, Hebei 067102, China 3. HBIS Group Co., Ltd., Shijiazhuang, Hebei 050023, China

Received:2019-05-07Revised:2019-05-26Online:2019-06-28Published:2019-06-10
Contact:LI Lan-jie

摘要/Abstract

摘要： 采用整体化增值利用、多组元高效提取、末端无害化处置的策略，通过关键核心技术创新和集成，开发了具有产业化价值的低成本、高效钒化工冶金固废资源化清洁利用技术集成体系。提钒尾渣通过亚熔盐技术高效提钒后，渣中的钒含量(以V2O5计)降低至0.2wt%以下，铁含量(以Fe2O3计)富集至60wt%以上；再经钙化脱钠后终渣中钠含量(以Na2O计)低于2wt%，可大比例替代低钒高品位铁精矿用于配矿烧结，配矿量由原来的20 kg/t提高至60 kg/t。将块状、粉状铬泥通过添加有机粘结剂和65碳化硅做成球骨架，加工成粒径5?30 mm的球状物并烘烤，加入炼钢工序，所制钢筋的屈服和抗拉强度均比常规工艺高，对钢筋性能提高有一定作用。采用钒酸铁部分替代V2O5冶炼钒铁技术上可行，1 t钒酸铁可代替209 kg V2O5，钒铁消耗0.2 t，钒回收率在90%以上，并生产出A级50钒铁产品。50钒铁炉渣作为粘结配料可提高钒钛烧结矿强度，在回收利用渣中钒、镁、钙元素的同时，使钒钛烧结矿转鼓指数提高2%~4%。

引用本文

李兰杰赵备备高明磊耿立唐白瑞国柳朝阳王新东. 钒化工冶金固废资源化清洁利用[J]. 过程工程学报, 2019, 19(S1): 99-108.
Lanjie LI Beibei ZHAO Minglei GAO Litang GENG Ruiguo BAI Chaoyang LIU Xindong WANG. Clean utilization of solid waste of vanadium chemical and metallurgy[J]. Chin. J. Process Eng., 2019, 19(S1): 99-108.

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