Water jacket for accident flue of copper flash furnace

The utility model discloses an accident flue water jacket of a copper flash furnace, which relates to the technical field of copper flash smelting furnaces in the nonferrous metal industry, and comprises a water jacket, the water jacket is a three-way water jacket, the water jacket comprises a vertical through channel and a right-angle outlet arranged at the side edge of the through channel, a water jacket cover plate is arranged in the vertical through channel, and the right-angle outlet is arranged at the side edge of the through channel. A connecting flange is arranged at the top of the water jacket, lifting lugs are arranged on the two sides of the water jacket, the water jacket is square, a ventilation hole in the water jacket is round, the water jacket cover plate is round, the sectional area of the ventilation hole in the water jacket is consistent with that of a flue outlet, the connecting flange is a square flange, and the lifting lugs are arranged on the two sides of the water jacket. The water jack