Hand-operated double-cylinder high pressure single-phase flow water mist fire extinguishing device

The invention discloses a hand-operated double-cylinder high pressure single-phase flow water mist fire extinguishing device which comprises a connecting rod unit, a double cylinder unit and a travel unit, wherein, the double cylinder unit comprises a piston, a cylinder body, a metal pipe and a nozzle, the cylinder body is provided with a water inlet and a water outlet, a check valve is installedin the water inlet, a pressure limiting valve is installed in the water outlet, and the piston arranged in the cylinder body is driven by the connecting rod unit through a piston handle. According tothe invention, the device is driven by manpower, needing no extra power supply, and has the advantages of extremely low water consumption, no damage to equipment and no pollution to environment.