From the viewpoint of recovery and utilization of waste heat,the formation of leakage was analyzed systematically firstly;then the influence of leakage on recovery and utilization of waste heat was studied quantitatively;finally,the leakage control measures were brought forth from the aspect of decreasing the pressure difference between inside and outside of leakage location.The results show that leakage of cooling system increases the working procedure of sintering process by 3%-4%,and the leakage of sinte...