Apparatus for controlling temperature of main steam and method for the same

摘要

The present application relates to a main steam temperature control device and a main steam temperature control method, wherein the main steam temperature control device according to an embodiment of the present invention comprises: an overheating unit for heating the incoming main steam to generate superheated steam; A temperature control unit for controlling the input temperature of the main steam by spraying cooling water at the inlet of the superheater into which the main steam flows; And it may include a control unit for adjusting the injection amount of the cooling water, to adjust the output temperature of the superheated steam to a predetermined target temperature.