Flame retardant energy-saving spraying device

The utility model discloses a flame retardant energy-saving spraying device which comprises a conveying belt, a portal frame, a sealing cover, an air suction insertion pipe, a nozzle, a flame retardant storage box, a water-air separation silk screen, a water-air separation filter cylinder and an exhaust fan. The nozzles are arranged on the side wall of the sealing cover at intervals, a liquid supply pipe extending into the portal frame is arranged on the lower portion of one side of the flame retardant storage box, an insertion hole corresponding to the air suction insertion pipe is formed in the top of the sealing cover, and a pipeline connected with the top of the air suction insertion pipe is arranged on one side of the flame retardant storage box. The water-gas separation silk screen is arranged in the flame retardant storage box and located above a connector of the pipeline, a cover body is arranged on the top of the flame retardant storage box, and the exhaust fan is arranged on the cover body. Accordin