The metallurgical properties of cold bound pellet were tested and analysed, and the behaviour and characters of reduction in the shaft were further investigated on the basis of analysis. The experimental results indic...The metallurgical properties of cold bound pellet were tested and analysed, and the behaviour and characters of reduction in the shaft were further investigated on the basis of analysis. The experimental results indicated that the metallurgical properties of cold bound pellet could satisfy the demands of the shaft direct reduction. The reduction of ferrous oxide with gas was taken as the domination. The reduction ratio of ferrous oxide with fixed carbon increased with the raising of temperature, and most part of the carbon remained in metallized pellet. The shaft could be smoothly operated to obtain rather higher constant utilization.展开更多
文摘The metallurgical properties of cold bound pellet were tested and analysed, and the behaviour and characters of reduction in the shaft were further investigated on the basis of analysis. The experimental results indicated that the metallurgical properties of cold bound pellet could satisfy the demands of the shaft direct reduction. The reduction of ferrous oxide with gas was taken as the domination. The reduction ratio of ferrous oxide with fixed carbon increased with the raising of temperature, and most part of the carbon remained in metallized pellet. The shaft could be smoothly operated to obtain rather higher constant utilization.