Turbine low-pressure shaft seal attemperation water adjusting control device

The utility model discloses a steam turbine low-pressure shaft seal desuperheating water adjusting control device which comprises a main body unit, a shell, a shaft seal arranged in an inner cavity of the shell and a temperature sensor arranged on one side of the inner cavity of the shell. The temperature reduction unit comprises a water storage tank, a water pump arranged at the lower end of an inner cavity of the water storage tank, a conveying pipe arranged at the water outlet end of the water pump and a flow dividing pipe arranged at the other end of the conveying pipe. The device has the advantages that heat is generated through rotation of the shaft seal, the shaft seal is sensed and detected through the temperature sensor, when it is sensed that the temperature of the shaft seal is higher than a preset value, the corresponding first electromagnetic valve is opened, the water pump is started at the same time, and the water pump sucks cold water in an inner cavity of the water storage tank and transmits