Development of chromite drainage sand for refining ladle？
Since chromite drainage sand is more stable than siliceous, forsterite and other materials, it is currently widely used as a ladle drainage agent in various steel plants. Therefore, using ferrochrome sand and quartz sand as the main raw materials, the ratio of ferrochrome sand to quartz sand was studied, and the effect of adding spherical casting sand on the performance of drainage sand was studied. The results show that:
(1) The ladle drainage sand prepared by using chromite sand and quartz sand as the main raw materials, and adding spherical casting sand and carbon black, has better
(2) the main raw material of chromite sand and quartz sand. The sintering performance of quicksand has a significant impact. When the mass ratio of chromite sand to quartz sand is 2, the prepared drainage sand
(3) The developed drainage sand is basically unsintered after being heated at a high temperature of 1 400 ℃ for 3 hours. It is better to sinter after heating at 550℃ for 3 h.