Guniting repair device for series leakage positions of coke oven

The utility model discloses a guniting repair device for series leakage positions of a coke oven. The guniting repair device comprises a casing pipe and a sprayer, wherein the sprayer is fixedly arranged at the front end of the casing pipe. The guniting repair device is characterized in that a piston is arranged in a cavity of the casing pipe; the peripheral edge of the piston is in closed contact with the inner wall of the casing pipe; an inner cavity of the sprayer is communicated with the inner cavity of the casing pipe; the middle part of the piston is fixed to the front end of a pressure rod by two nuts; and an upper handle is fixed to the rear end of the pressure rod. The guniting repair device can be operated only by one person, so that the risk of accidents caused by poor coordination due to the operation of multiple persons is avoided, and labor is saved; the guniting repair device is convenient and easy to carry and flexible in movement, and work places can be changed randomly; the guniting repair d