Development of vibration style ladle slag detection methods and the key technologies

作     者：TAN DaPeng1,2,JI ShiMing1,LI PeiYu2 & PAN XiaoHong2 1 Key Laboratory of Special Purpose Equipment and Advanced Manufacturing Technology,Ministry of Education,Zhejiang University of Technology,Hangzhou 310014,China 2 Department of Mechanical Engineering,Zhejiang University,Hangzhou 310027,China 

作者机构：1. Key Laboratory of Special Purpose Equipment and Advanced Manufacturing Technology Ministry of Education Zhejiang University of Technology Hangzhou 310014 China2. Department of Mechanical Engineering Zhejiang University Hangzhou 310027 China 

出 版 物：《Science China(Technological Sciences)》 (中国科学（技术科学英文版）)

年 卷 期：2010年第53卷第11期

页      面：2378-2387页

核心收录：

学科分类：080602[工学-钢铁冶金] 08[工学] 0806[工学-冶金工程] 

基　　金：supported by the National Natural Science Foundation of China (Grant Nos. 50905163, 50875242) the Natural Science Foundation of Zhejiang Province (Grant Nos. Y1090836, Z107517) the Excellent Doctor Program of Zhejiang University (Grant No. 2007001A) 

主　　题：ladle slag carry-over sink vortex slag entrapment shock vibration 

摘      要：Ladle slag carry-over detection technology (SCDT) is of important practical significance to steel continuous casting production (CCP),which can effectively improve the casting blank quality,increase molten steel yield ratio,and protract the service life of *** current SCDT realization methods and their application circumstance were summarized,and their main problems during the course of factual production were pointed *** difficult technical points of detection principle,digital signal processing for vibration style SCDT development were *** aim at the problems of vibration style SCDT,such as low recognition stability and long applied adjustment time,its key technologies including water model experimental platform establishment,two-phase sink vortex entrapment mechanism,forced vibration response of shroud nozzle and steel stream shock vibration signal processing optimization were analyzed deeply,and the corresponding research route and advices were given.