Water mist fire extinguishing device

The utility model provides a fine water mist fire extinguishing device which comprises a spraying unit and a fine water mist spray head communicated with the spraying unit, the spraying unit comprises a plurality of spraying assemblies, each spraying assembly comprises a liquid storage tank and an air compressor, the liquid storage tank is provided with a liquid inlet, an air inlet and a liquid outlet, and the air compressor is communicated with the liquid inlet. The liquid inlet, the air inlet and the liquid outlet are respectively provided with a valve, the liquid inlet is used for being communicated with a liquid supply device, and the liquid outlet is communicated with the water mist spray head; and the air compressor is communicated with the air inlet. The fine water mist fire extinguishing device provided by the utility model aims to improve the safety and the stability of fine water mist fire extinguishing and reduce the energy consumption generated by water flow pressurization. 本实用新型提供了一种细水雾灭火装置，包括喷淋单