棒线材连铸-直接轧制工艺关键技术研究  

Key technology research of continuous casting-direct rolling process for wire rod and bar

作　　者：范锦龙[1] FAN Jinlong(WISDRI Engineering And Research Incorporation Limted,Wuhan 430223,China)

机构地区：[1]中冶南方工程技术有限公司,湖北武汉430223

出　　处：《轧钢》2024年第6期61-66,共6页Steel Rolling

基　　金：国家重点研发计划项目(2022YFB3304801)。

摘　　要：为了满足我国钢铁行业转型升级对绿色、可持续发展的需求,需解决棒线材生产中能源损耗严重的问题。深入研究了棒线材连铸-直接轧制工艺的关键技术。该工艺是一种适用于普通棒线材生产的新型工艺,通过充分利用连铸坯冶金热能,可完全取消铸坯加热工序,从而实现节能减排、减少烧损的目的。从生产能力匹配、温度匹配、节奏匹配和生产管理4个方面研究和分析了棒线材连铸-直接轧制工艺的关键技术,推导了生产能力匹配和节奏匹配的数学表达式,研究了连铸至轧钢全过程铸坯温度的变化规律,并给出了连铸-直接轧制工艺一体化生产制度和典型工艺平面布置方案。研究结果表明:棒线材连铸-直接轧制是一种绿色、环保、低成本、高效益、高效率的生产方式,具有较好的经济效益和广阔的应用前景。In order to meet the demand of green and sustainable development in the transformation and upgrading of Chinese iron and steel industry,the serious problem of energy loss in the production of wiro rod and bar should be solved.The key technology of continuous casting and direct rolling of wire rod and bar was deeply studied.The process is a new type of process suitable for the production of ordinary wire rod and bar.By making full use of metallurgical heat energy of continuous casting billet,the heating process of billet can be completely eliminated,so as to achieve energy saving,emission reduction and burn loss reduction.The key technologies of wire rod and bar continuous casting and direct rolling process were studied and analyzed from four aspects:production capacity matching,temperature matching,rhythm matching and production management.The mathematical expressions of production capacity matching and rhythm matching were derived,and the variation law of casting billet temperature during the whole process from continuous casting to rolling was studied.The integrated production system of continuous casting and direct rolling process and the typical process layout scheme were given.The results show that wire rod and bar continuous casting and direct rolling is a green,environmentally friendly,low cost,high benefit and high efficiency production mode,which has good economic benefit and broad application prospect.

关 键 词：棒线材 连铸-直接轧制 节能减排 环保 高效 低成本 

分 类 号：TG3[金属学及工艺—金属压力加工]