Spray nozzle for attemperators and attemperator including the same

An attemperator comprising:

• a steam transfer pipe operable to transfer steam;
• a fixed pipe coupled to an outer surface of the steam transfer pipe;
• a spray nozzle disposed in the fixed pipe and operable to spray cooling water into the steam transfer pipe;
• and
• a nozzle fixing member disposed at a position spaced apart from the fixed pipe and operable to support a free end of the spray nozzle, wherein
• the spray nozzle includes at least one support protruding on an outer circumferential surface of the spray nozzle towards the fixed pipe, and
• the support is operable to space the spray nozzle and the fixed pipe apart from each other.

An attemperator comprising:

• a steam transfer pipe operable to transfer steam;
• a fixed pipe coupled to an outer surface of the steam transfer pipe;
• a spray nozzle disposed in the fixed pipe and operable to spray cooling water into the steam transfer pipe;
• and
• a nozzle fixing member coupled to the steam transfer pipe and operable to support a free end of the spray nozzle, wherein
• the spray nozzle includes at least one support protruding on an outer circumferential surface of the spray nozzle towards the fixed pipe, and
• the support is operable to space the spray nozzle and the fixed pipe apart from each other.