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1 前言近年来,为了提高板坯的生产率和节能,连铸趋向于采用高速浇注。以大于2m/min的高速稳定地进行板坯浇注,是给直接热轧供坯的必要条件。这是为了使板坯连铸机的生产与热轧带钢机的生产相适应,保证钢坯有足够高的温度,以供直接轧制。高速连铸将减少动力的消耗,但铸坯会发生较多的粘结型断裂。因而,改进结晶器的润滑方法,对高速连铸有着重要的作用。为此,研制出了一种结晶器保护渣。本文的作者们曾
1 Introduction In recent years, in order to improve the slab productivity and energy saving, continuous casting tends to use high-speed casting. Slab casting at a high speed of more than 2 m / min is a necessary condition for direct hot rolling. This is to adapt the production of slab caster to the production of hot strip mills to ensure that billets have a sufficiently high temperature for direct rolling. High-speed continuous casting will reduce power consumption, but the slab will occur more bond-type fracture. Therefore, to improve the mold lubrication method, has an important role in high-speed continuous casting. To this end, developed a mold powder. The authors of this article have