High-pressure water mist fire extinguishing closed nozzle

The utility model discloses a high-pressure water mist fire extinguishing closed nozzle which comprises a nozzle body, the nozzle body comprises a reinforcing layer, the surface of the reinforcing layer is fixedly connected with a corrosion-resistant layer, the surface of the corrosion-resistant layer is fixedly connected with a first anti-rust layer, the surface of the first anti-rust layer is fixedly connected with a second anti-rust layer, and the surface of the second anti-rust layer is fixedly connected with a third anti-rust layer. The surface of the second antirust layer is fixedly connected with a first waterproof layer, the surface of the first waterproof layer is fixedly connected with a protective layer, and the protective layer comprises a weather-proof layer. The nozzle body, the reinforcing layer, the corrosion-resistant layer, the first anti-rust layer, the second anti-rust layer, the first waterproof layer, the protective layer, the weather-resistant layer, the wear-resistant layer and the sec