Emergency device for water break of furnace cover of refining furnace

The utility model discloses a water cut-off emergency device for a furnace cover of a refining furnace. The water cut-off emergency device comprises a furnace body of the refining furnace, a water supply system and a remote control structure, the water inlet is formed in the side wall of the ceramic sealing ring and serves as the inlet end of the cooling water pipe, and the water return port is formed in the lower portion of the side wall of the furnace cover and serves as the outlet end of the cooling water pipe. The tail end of the water inlet pipe is connected to the water inlet, and the tail end of the water return pipe is connected to the water return port. One end of each water return detection pipe is connected to the cooling water pipe between the water inlet and the water return port, and the other end of each water return detection pipe is connected to the water return pipe. The remote control structure comprises a remote console and a control cable. The remote console is connected with the water in