Operation Practice of Blast Furnace Downhole to Tuyere Shutdown in Changgang
This paper summarizes and analyzes the operation of stopping the 9th blast furnace of Changgang from the water injection and material reduction surface to the tuyere.Before lowering the material,first ensure that the furnace condition is smooth.During the pre shutdown period,focus on checking the impact of the furnace top water drawing device and related equipment and facilities.During the lowering process,take reasonable technical measures to control the furnace top temperature to be appropriate and the gas composition to be appropriate,ensuring a smooth lowering of the material surface to the air outlet and achieving safe,smooth,and environmentally friendly shutdown.
blast furnacepre-break winddraw water and material down to the tuyereshut down