Rotary de-scaling upstream of the tunnel furnace aims at the removal of heterogeneously distributed scale as well as residuals of casting slag.
在隧道炉上方的旋转除锈器目的是为了清除不均匀分布的锈斑和残留的铸造渣。
2
Scaling of washing circulation water pipes for blast-furnace gas is presented. Decision, design, implementation and effect of the plan for scaling re - moving with acid cleaning are described.