High-temperature shaft kiln nozzle cooling water system and work method thereof

The invention relates to a high-temperature shaft kiln nozzle cooling water system and a work method thereof. A circular water tank is connected with a nozzle cooling water inlet through a water supply pipeline, three circular water pumps and one diesel engine drive water pump are arranged on the water supply pipeline in parallel, the nozzle cooling water outlet is connected with the circular water tank through a water returning pipeline and a heat exchanger, a first electromagnetic valve and a nozzle outlet flowmeter are sequentially arranged on an upstream water returning pipeline of the heat exchanger, a bypass valve is arranged on the first electromagnetic valve in parallel, an emergency water tank is connected with the circular water tank through a water supplementing pipeline and anoverflow pipeline, and is connected with an emergency water tank water supply opening on the water supply pipeline through an emergency water supply pipeline; the emergency water tank is connected with an emergency water tank