同志们:今天准备讲一讲炼钢生产过程及炼钢设备,同时也谈些关于中国钢铁厂炼钢和铸锭操作中的一些问题,因此,今天不单谈到铸锭,而且也要谈到炼钢,炼钢产品质量的高低,与设备的关系很大。因此要保证产品有优良的质量,首先应保证设备有优良的质量,必须经常注意对设备的维护。平炉的主要部分是上部,应经常注意炉顶、端樯、喷出口。平炉炉底的情况,与造渣制度密切联系着,如果炉底不正常,寿命短,或经常有坑,则造渣 Comrades: Today I am going to talk about the steelmaking process and the steelmaking equipment. I also talk about some problems in the operation of steelmaking and ingoting in Chinese steel mills. Therefore, we talk about ingots not only today, but also about Steel, steel products, the level of quality, and the great relationship between equipment. Therefore, to ensure that products have excellent quality, we must first ensure that equipment has excellent quality, we must always pay attention to the maintenance of equipment. The main part of the open hearth is the upper part, should pay attention to the roof, end 樯, spout. Flat hearth furnace conditions, and the slagging system is closely linked, if the bottom of the furnace is not normal, short life, or often pit, the slagging