The standardization of the maintenance and overhaul of the equipment of the iron-smelting BF may effectively reduce various kinds of breakdown, the accidental occurrence, enhance the overhaul efficiency, reduce the consumption of the manpower and physical resources and maintain the highly effective and stable operation of the BF.

According to long-term on-site working experience with the feature of electrolysis production was done,the primary reason why the mechanical seal leaks was discussed,and some suggestions on maintenance and overhaul was put forward.

Electromechanical equipment regularization systematization circulating maintenance check in coal mine;