Sintering flue gas circulation sealing cover spraying device

The utility model relates to the technical field of sintering equipment, in particular to a sintering flue gas circulation sealing cover spraying device. According to the technical scheme, the device comprises a water tank, an exhaust pipe, a water inlet pipe and a spraying box, a drainage groove is formed in the middle of the lower end of the spraying box, the spraying box is fixed to the upper end of the water tank, the drainage groove is located in the middle of the upper end of the water tank, and the middles of the two ends of the spraying box are communicated with a smoke exhaust pipe and a smoke inlet pipe respectively; a fan is fixed to the middle of the interior of a smoke exhaust pipe, a water spraying pipe is fixed to the upper end of the interior of a spraying box, a water inlet pipe is installed in the middle of the upper end of the spraying box in a communicating mode, a second control valve is movably installed in the middle of the water inlet pipe, and an exhaust pipe is installed in the middl