A kind of ferrite rolling method and device for deep drawing of head - free continuous casting and continuous rolling with low carbon steel rolls, which belong to the field of metallurgical steel rolling. The head of casting and rolling deep punching in a low carbon steel of ferrite rolling method and apparatus for continuous casting billet, rough rolling, rolling into the cooling channel and temperature control of high pressure water descaling mill, ferrite rolling, laminar cooling device cooling, high speed flying shear volume, coiler. The method and device of the invention solves the conventional hot roughing process before the heating furnace heating / heat, roughing and iron austenite ferrite region due to temperature difference between the finishing problem need to be cool and represented by CSP thin slab continuous casting and rolling heating furnace heating / thermal induction heating or temperature compensation and other problems. With compact arrangement, low investment, high production efficiency, safety, energy saving and environmental protection and reduce the cost advantage, the ferrite rolling carbon steel with low carbon micro deep drawing endless casting and rolling and iron.
【技术实现步骤摘要】
无头连铸连轧深冲用低微碳钢卷的铁素体轧制方法和装置
本专利技术属于冶金轧钢
,特别提供了一种无头连铸连轧生产深冲用低微碳钢卷的铁素体轧制方法和装置。
技术介绍
薄板坯连铸连轧技术是20世纪80年代末出现的新技术。主要有德国SMS公司的CSP工艺,采用辊底式炉进行加热、均热和保温,与德国Thyssen厂合作的CPR工艺可实现半无头轧制;德国MDS公司的ISP工艺,中间坯经感应加热和热卷箱式均热,可实现半无头轧制;意大利Danieli公司的FTSR工艺,具有液芯压下技术,经辊底式隧道炉加热、保温后粗轧,精轧和粗轧间设有保温辊道;日本住友金属的QSP工艺,连铸坯经辊底式炉加热,粗轧和精轧间为带有加热功能的中间输送辊道;奥钢联的CONROLL工艺,有感应式边部加热器和辊底式均热炉;意大利Arvedi公司的ESP工艺,连铸包括液芯压下、轻压下等,精轧和粗轧间采用感应加热,可实现无头轧制。“一种带钢生产工艺—ESP”(吕坤勇,中国专利,200510057404.5)提出了一种新型ESP工艺:连铸机(液芯压下)→摆动剪分坯→加热炉→除鳞→粗轧机→除鳞→精轧机组→层流冷却→ ...
【技术保护点】
一种无头连铸连轧深冲用低微碳钢卷的铁素体轧制方法,其特征在于:所述低碳/微碳钢化学成分及质量百分含量为:C:0.008—0.06%,Si≤0.10%,Mn≤0.25%,B≤0.0020%,Ti≤0.030%,Cr≤0.25%,Als:0.010—0.060%,P≤0.020%,S≤0.015%,N≤0.005%,其余为Fe和不可避免的不纯物;生产线工艺流程为连铸成坯→粗轧机组粗轧→冷却通道控温→高压水除鳞→精轧机组铁素体轧制→层冷装置冷却→高速飞剪分卷→卷取机卷取。
【技术特征摘要】
1.一种无头连铸连轧深冲用低微碳钢卷的铁素体轧制方法,其特征在于:所述低碳/微碳钢化学成分及质量百分含量为:C:0.008—0.06%,Si≤0.10%,Mn≤0.25%,B≤0.0020%,Ti≤0.030%,Cr≤0.25%,Als:0.010—0.060%,P≤0.020%,S≤0.015%,N≤0.005%,其余为Fe和不可避免的不纯物;生产线工艺流程为连铸成坯→粗轧机组粗轧→冷却通道控温→高压水除鳞→精轧机组铁素体轧制→层冷装置冷却→高速飞剪分卷→卷取机卷取。2.根据权利要求1所述的一种无头连铸连轧深冲用低微碳钢卷的铁素体轧制方法,其特征在于:采用无头连铸连轧技术,连铸拉速4m/min—7m/min,板坯厚度为80mm—130mm,中间坯厚度为7mm—25mm,成品厚度为0.7mm—4mm。3.根据权利要求1所述的一种无头连铸连轧深冲用低微碳钢卷的铁素体轧制方法,其特征在于:采用铁素体轧制技术,粗轧机组在1020℃—950℃的奥氏体温度区进行轧制;精轧机组在850℃—730℃的奥氏体和铁素体两相区轧制或铁素体区轧制;冷却...
【专利技术属性】
技术研发人员:康永林,田鹏,朱国明,秦哲,郭呈宇,
申请(专利权)人:北京科技大学,
类型:发明
国别省市:北京,11
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