对同煤钢铁4号高炉复产及达产实践进行了总结。由于开炉期间操作措施和手段未及时到位,出现炉缸死区增大,导致频繁烧损风口。通过渣口与铁口、相邻风口与风口的贯通,实现了快速恢复风量、消除炉缸死区,使用高炉炉况恢复正常。 The fourth coal mine with the fourth batch of steel production and production reached a conclusion. As the operation measures and means during the furnace did not arrive in time, there has been an increase in the dead zone of the hearth, resulting in frequent burning of the tuyere. Through the slag mouth and iron mouth, the adjacent tuyere and tuyere through, to achieve a rapid recovery of air flow to eliminate the hearth dead zone, the use of blast furnace conditions returned to normal.