自主创新喷雾焙烧法不锈钢混酸再生机组的中试应用  

Pilot test on independent innovated spraying and roasting regeneration unit of mixed waste acid for stainless steel

作　　者：项明武[1] 高俊峰[1] 姜海洪 赵金标[1] 丁煜[1] 王军[1] XIANG Mingwu;GAO Junfeng;JIANG Haihong;ZHAO Jinbiao;DING Yu;WANG Jun(WISDRI Engineering&Research Co.,Ltd.,Wuhan 430223,China;Tsingtuo Group Co.,Ltd.,Wenzhou 325000,China)

机构地区：[1]中冶南方工程技术有限公司,湖北武汉430223 [2]青拓集团有限公司,浙江温州325000

出　　处：《轧钢》2021年第4期69-74,共6页Steel Rolling

基　　金：武汉东湖国家自主创新示范区“3551光谷人才计划”基金项目(2014122G147);中国冶金科工集团重点研发项目(2016011102)。

摘　　要：喷雾焙烧法是针对不锈钢混酸废液的全酸回收工艺方法,不仅可以实现废酸中游离酸的回收,还可以实现化合酸及金属元素的回收。针对青拓集团福建鼎信科技有限公司不锈钢混酸废液再生中试项目,介绍了喷雾焙烧法不锈钢混酸再生机组的技术方案、运行指标,并与引进机组进行了主要技术经济指标对比分析,各项指标均达到或超过了国外同类机组水平。同时,对该技术的进一步研究方向进行了展望。Spraying and roasting is a method of total acid regeneration of mixed waste acid for stainless steel.It can not only recover the free acid,but also regenerate the combined acid and metal elements.The technical plan and operation index of the mixed acid regeneration pilot project inTsingtuo Group Co.,Ltd,was summarized.The main technical and economic indexes were compared and analyzed between the pilot project and the imported ones.Based on the results of the project,the indexes had reached or exceeded the level of similar imported ones.Meanwhile,the further development direction of the technology was prospected.

关 键 词：不锈钢 混酸再生 中试项目 资源回收 高效 低耗 安全 

分 类 号：X703[环境科学与工程—环境工程]