Abstract:

By comparing the coal properties and result of blending fat coal from Shangdong A mine and Shangxi B mine,it is found that the volatile matters,fluidity and fine mosaic structure for coking of fat coal from Shangdong A mine are higher.Blending of it within certain range of ratio is good for improving the abrasion resistance of coke,but too high percentage of it will weaken the hot strength of coke.The fat coal from Shanxi B mine has more coarse structure for coking,but its fluidity is poor.Less blending of it is not good for the abrasion resistance of coke,so the coke abrasion strength can be improved by increasing its blending ratio or blending a certain amount of gas fat coal.