Introduction of large-scale slag vertical mill in Tianrui Cement Company

In order to make use of industry waste and save resources,the vertical mill is used to supergrind-ing the slag coming from steel plants.The produced slag powder is an active material,which can be added into the cement clinker to produce the slag cement,so as to decrease the clinker dosage and increase the cement strength.In the paper,the constitution and the operation flow of the largest slag vertical mill at home are intro-duced,now it has successfully operated and reaches the designing indexes.Its successful operation indicates the reasonableness of the equipment model selection and the operation flow,and offers a successful example for the localization of the slag vertical mill and its drive.