宽厚板连铸机高效优化改造实践  

Efficient Optimization and Renovation Practice on Heavy Slab Continuous Casting Machine

作　　者：王文学[1] 张曙光 王永洪[1] 张继强[1] 刘增儒[1] 涂家佳 曾晶[1] WANG Wen-xue;ZHANG Shu-guang;WANG Yong-hong;ZHANG Ji-qiang;LIU Zeng-ru;TU Jia-jia;ZENG Jing(China National Heavy Machinery Research Institute Co.,Ltd.,Xian,Shaanxi 710032,China;Minmetals Yingkou Medium Plate Co.,Ltd.,Yingkou,Liaoning 115000,China)

机构地区：[1]中国重型机械研究院股份公司,陕西西安710032 [2]五矿营口中板有限责任公司,辽宁营口115000

出　　处：《云南冶金》2021年第1期90-94,共5页Yunnan Metallurgy

基　　金：陕西省重点研发计划资助课题(2018KWZ-07)。

摘　　要：欧洲板坯连铸供货商为某钢厂建造的宽厚板坯连铸机,在生产中板坯振痕深度较深、铸坯外弧角裂明显,因外弧角裂引起的漏钢事故经常出现,严重影响连铸机的生产秩序和铸坯质量。通过对结晶器和垂直段对弧结构、液压振动、垂直段和弯曲段之间对弧结构等设备的改造以及振动工艺优化,改善了铸坯深振痕、外弧角裂等问题,漏钢事故也基本消失,铸坯质量大幅度提高,铸坯收得率提高0.4%,大大提高了企业的经济效益。In the production process of heavy slab caster produced by one European slab continuous caster supplier,the slab vibration mark is very deep,the outer arc corner crack of slab is obvious,the breakout accident caused by outer arc corner crack often appears,which have a strong impact on the production order of continuous casting machine and the slab quality.According to the renovation and the vibration process optimization on the crystallizer and the arc-alignment structure of the vertical section,hydraulic vibration,the arc-alignment structure between the vertical section and bending section,the problems that the deep slab vibration mark,the outer arc corner crack of slab,the breakout accident is disappeared basically,the slab quality is improved greatly,the yielding rate of the slab is increased by 0.4%,therefore the economic benefits of the enterprise is increased greatly.

关 键 词：宽厚板连铸 结晶器振动 垂直段 弯曲段 对弧精度 外弧角裂 漏钢 铸坯质量 

分 类 号：TF777.1[冶金工程—钢铁冶金]