Practical research in maintenance optimization and improvement of medium speed mill ZGM123

This paper introduced the practical research on maintenance optimization of the mill in Tianjin Datang International Panshan Power Generation Limited Company.Firstly,the maintenance optimization of mill is based on spot inspection and regular repair,by which the reasonable and economical maintenance cycle is determined.Secondly,throgh improving the equipment by the advanced process technology,the workload and the consumption of spare parts in heavy maintenance are decreased,and the maintenance optimization is achieved.