Electrode cooler of bottom plugging type electrode melting furnace

The utility model discloses an electrode cooler of a bottom plugging type electrode melting furnace. The electrode cooler comprises an electrode, a connecting board, an electric conductor, a cylinder body and a water inlet pipe, wherein the electrode is connected with the electric conductor through the connecting board. According to the electrode cooler, the cylinder structure is adopted, the portion where the electrode is connected with the electric conductor and a cooling medium supply and drainage mechanism are both placed in the cylinder body, the upper end of the cylinder body and the lower end of the cylinder body are sealed through the connecting board and a lower end board, and the cooling medium is water; an annular water sprayer is arranged around the electric conductor in the cylinder body, a water collecting board is arranged under the annular water sprayer, a water drainage pipe and an air guiding pipe are arranged on the water collecting board and the lower end board respectively, a through hole