激光诱导击穿光谱设备在线冰铜成分检测应用进展  

Application progress of online composition analysis of matte by laser-induced breakdown spectroscopy

作　　者：潘从元 赵荣升 徐勇 张志国 王腾飞 金泽志 PAN Congyuan;ZHAO Rongsheng;XU Yong;ZHANG Zhiguo;WANG Tengfei;JIN Zezhi(Hefei Jinxing Electromechanical Technology Development Co.,Ltd.,Hefei 230088,China;Jinguan Copper Branch of Tongling Nonferrous Metals Group Co.,Ltd.,Tongling 244100,China;Anhui Province Key Laboratory of Industrial Image&Analysis,Hefei 230088,China)

机构地区：[1]合肥金星机电科技发展有限公司,安徽合肥230088 [2]铜陵有色金属集团股份有限公司金冠铜业分公司,安徽铜陵244100 [3]工业图像处理与分析安徽省重点实验室,安徽合肥230088

出　　处：《冶金分析》2021年第1期41-46,共6页Metallurgical Analysis

基　　金：2019年合肥市借转补关键技术重大研发类项目(J2019G13)。

摘　　要：利用自主研发的基于激光诱导击穿光谱(LIBS)技术的激光成分分析仪对铜冶炼现场冰铜固体和熔体成分进行了在线检测,并与取样制样后实验室的X射线荧光光谱(XRF)检测结果进行了对比。分析数据为研发设备现场投用后具备对比数据的1294炉次,包括878炉次固体冰铜和416炉次熔体冰铜。LIBS设备在线检测与取样制样后固体XRF检测结果相比,检测平均绝对误差为0.61%,平均相对误差为1.1%。针对熔体在线检测性能进行验证测试,其同一炉次出铜过程中检测结果极差平均值为0.64%,与XRF取样检测结果最小误差平均值为0.32%。结果表明,LIBS技术可实现不同状态冰铜的可靠在线测量,其性能满足生产工艺对元素检测的实时性和可靠性需求。设备应用实现了冶金行业冶炼过程熔体成分的稳定可靠在线检测,可为冶炼生产过程精细化控制、金属平衡完善和信息化管理提供必要基础。An independently-developed laser composition analyzer based on laser-induced breakdown spectroscopy(LIBS)technology was used to realize online detection of matte,both solid and molten matte.The tested results were compared with the X-ray fluorescence spectrometry(XRF)detection results with standard sample preparation.A total of 1294 times with comparative data after the LIBS equipment was put into operation on site.The data consisted of 878 times solid matte and 416 times melt matte.Compared with the XRF detection results after sampling,the online detection of LIBS equipment had an average absolute error of 0.61%,and an average relative error of 1.1%.The online detection performance of the LIBS equipment had been tested,the average value of the detection result range during the copper extraction process of the same furnace was 0.64%,and the average minimum error of the online detection results compared with XRF sampling test result was 0.32%.The results showed that the LIBS technology could achieve reliable online measurement of matte in different states,and its performance met the real-time and reliability requirements of the production process for element detection.The application of LIBS equipment realized the stable and reliable online detection of the melt composition in the smelting process of the metallurgical industry,which could provide the necessary foundation for fine control of the smelting production process,the metal balance optimization and information management.

关 键 词：激光诱导击穿光谱(LIBS) 冰铜 在线检测 熔体 现场运行状况 

分 类 号：O433.54[机械工程—光学工程] O657.38[理学—光学]