论文部分内容阅读
一、锰矿贫化带来的主要问题:高炉炼锰铁与炼生铁有着很多共同的冶炼规律,都要贯彻“精料,大风,高温”的方针,采取提高冶炼强度与降低焦比同时并举的措施,加强炉体维护,实现优质、高产、低耗、长寿的目的。但是两者在降低焦比的措施方向上有重大区别,炼生铁关键在于提高负荷,而在锰铁生产中,由于锰的还原比较困难,必须贯彻执行提高焦炭负荷与提高锰回收率同时并举的方针,而且要优先保证回收率。近几年来,由于锰矿石贫化给锰铁生产的发展带来了不少困难,直接影响到各项技
First, the main problems caused by manganese depletion: blast furnace smelting iron and refining pig iron have a lot of common smelting law, we must implement the “fine material, gale, high temperature” approach to take to improve the smelting strength and lower coke rate simultaneously Measures to strengthen the furnace maintenance, to achieve high quality, high yield, low consumption, long-term purpose. However, there is a significant difference between the two measures in reducing the coke ratio. The key of refining iron is to increase the load. In the production of ferromanganese, manganese reduction must be carried out simultaneously to increase the coke load and increase the manganese recovery Policy, but also give priority to ensure the recovery rate. In recent years, due to the depletion of manganese ore to ferromanganese production has brought a lot of difficulties in the development of a direct impact on the various technologies