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ＬＴＶ钢铁公司的ＩｎｄｉａｎａＨａｒｂｏｒ工厂通过使用渣覆盖和喷渣技术，延长了氧气顶吹转炉炉衬寿命并大大降低了耐火材料成本。其转炉车间以低喷补料消耗连续创下了三个转炉炉衬寿命的世界纪录。该车间的转炉利用率从１９８４年的７８％提高到１９９４年的９７％。详细介绍了喷渣操作中应注意的各个方面，如维持炉衬损耗平衡，尤其是出钢口和耳轴区域；炉渣中的ＭｇＯ含量；氧枪结壳及转炉炉嘴去挂渣。同时，必须做好操作人员培训工作。
LTV Steel’s IndianaHarbor facility has extended the life of oxygen top-blown converter furnace linings and significantly reduced refractory costs through the use of slag-covering and slag-blasting technologies. Its converter shop to low-jet feed consumption for a continuous record set a world record of three converter lining life. The plant’s converter utilization increased from 78% in 1984 to 97% in 1994. Described in detail the various aspects of slag spraying should pay attention to, such as maintaining the balance of furnace lining loss, especially the tapping hole and trunnion area; slag MgO content; oxygen gun crust and converter furnace mouth to hang the slag. At the same time, operators must be trained.