By means of improvement coke powder and return fines grade,optimizing the way of addi-tion of precipitator dust,adopting reasonable blending ore,system improvement of the distribution de-vice,the implementation of low negative pressure ignition technology transformation,strengthening air leakage management of sintering machine system,increasing the capacity of the main exhaust fan,im-proving the cooling system and the processing capacity of the finished product system,improving the level of equipment and process technology,and establishing upper and lower process control mecha-nism in an enterprise 360 m2 sintering machine,the thickness of material layer is gradually increased from 750 mm to 900 mm.The thick material low carbon with low temperature sintering is realized dur-ing sintering.The internal return ratio is reduced from 18％to less than 13％,and the rate of finished product is increased by 4.2 percentage points.The sinter output is increased from 12 141 t/d to 12 893 t/d,and the sintering rate is increased from 78％to 84％.Finally,considerable economic benefits have been obtained for cost decreasing and benefit increasing of before iron making process.
sinteroutputrate of finished productsthickness of material layer
维普
万方数据
