Practice of Stopping the Material Reduction Line of Laigang No.1 1880 Blast Furnace
According to the company's production plan requirements,Laigang No.1 1 880 m3 blast furnace started to shut down at 12:00 pm on September 7,2023.On September 8th at 2:08,the material line was lowered to the predetermined position(22.7 meters),and the furnace was safely shut down.The shutdown process is safe,smooth,and fast,with all parameters controlled in place.The total time taken for this material reduction line is 14 hours and 8 minutes,with a wind consumption of 1.984 million m3,draw water 1 834 m3,cast three furnaces.20:56,start releasing residual iron.At 0:36 on the 9th,the remaining iron was released,totaling 386.25 tons.Through careful organization,1 880 m3 blast furnace was safely and smoothly shut down,and a record was set for the shortest duration of the shutdown and material reduction line.