Sprinkling and spraying fire extinguisher for air boxes of sintering machine

The utility model relates to a sprinkling and spraying fire extinguisher for air boxes of a sintering machine. The sprinkling and spraying fire extinguisher comprises a valve, water conveying pipes, nozzles and the air boxes, and is characterized by also being provided with an electromagnetic valve wire, a temperature compensation cable and an operation control box, wherein the water conveying pipes comprise a first water conveying pipe and a second water conveying pipe, and one end of the second water conveying pipe is communicated with the first water conveying pipe; the valve is arranged on the first water conveying pipe; each air box is provided with a water branch pipe, two sprinkling and spraying nozzles, an electromagnetic valve and a thermocouple; each water branch pipe is bended to be n-shaped, the middle part of each water branch pipe is communicated with the corresponding water conveying pipe through the corresponding electromagnetic valve, the two ends of each branch water pipe are arranged on the