Device for protecting cover of runner in furnace

摘要

It is an object of the present invention to provide a blast furnace cover erosion prevention device of the blast furnace to prevent erosion of the fixed water cover due to excessive melt splashing occurs in the case of a bleeding state or an outlet failure. ; Accordingly, the present invention provides a fixed bracket installed on the blast furnace splash cover, a spray pipe installed at the tip of the fixed bracket and disposed between the splash cover and the fixed cover, and installed at least one of the spray pipes to cover the cover. An injection nozzle for injecting high pressure wind into a gap, and connected to the injection pipe, a blast furnace cover erosion prevention apparatus including a supply hose for supplying high pressure wind to the injection pipe is provided. ; Bracket, spray pipe, spray nozzle, dust prevention nozzle, supply hose