Smelting furnace discharge pipe repair system and method

The invention discloses a smelting furnace discharging pipe repairing system and method. The smelting furnace discharging pipe repairing system comprises a transfer working platform, a working device and remote control operation equipment. The working device comprises a residual pipe cutting device, a groove machining device and an automatic welding robot. The transfer working platform is used for conveying the working device to the position below the discharging pipe, and the remote control operation equipment is used for remotely controlling the working device and specifically comprises the steps that the residual pipe cutting device is controlled to cut off the damaged part of the discharging pipe, the groove machining device is controlled to conduct groove machining on the discharging pipe, and the automatic welding robot is controlled to weld the discharging pipe and a continuous pipe. According to the smelting furnace discharging pipe repairing method using the smelting furnace discharging pipe repairin