Spray heads for use with desuperheaters and desuperheaters including such spray heads

A spray head for a desuperheater, comprising:

• a main body having a first end portion arranged for attachment to a flow line, a second end portion spaced away from the first end portion, an internal surface, and an internal passage defined by the internal surface, the internal passage arranged for connection to a fluid source, the internal surface having a plurality of entrance ports;
• the main body including an outer portion and including a plurality of spray nozzles, each of the plurality of spray nozzles including an exit port;
• and
• a plurality of flow passages extending between the internal surface and the outer portion, each of the plurality of flow passages fluidly coupling a corresponding one of the plurality of entrance ports to a corresponding exit port of a corresponding one of the plurality of spray nozzles,
• wherein each of the spray nozzles is carried by an outwardly extending projection that extends away from a longitudinal axis of the main body, and
• wherein a first one of the spray nozzles adapted to spray a first volume of the fluid is positioned closer to the second end portion, and a second one of the spray nozzles adapted to spray a second volume of the fluid is positioned closer to the first end portion, the first volume being greater than the second volume.

A spray head for a desuperheater, comprising:

• a main body having a first end portion arranged for attachment to a flow line, a second end portion spaced away from the first end portion, an internal surface, and an internal passage defined by the internal surface, the internal passage arranged for connection to a fluid source, and the internal surface having a plurality of entrance ports;
• the main body including an outer portion and including a plurality of spray nozzles, each of the plurality of spray nozzles including an exit port;
• and
• a plurality of flow passages extending between the internal surface and the outer portion, each of the plurality of flow passages fluidly coupling a corresponding one of the plurality of entrance ports to a corresponding exit port of a corresponding one of the plurality of spray nozzles,
• wherein each of the spray nozzles is carried by an outwardly extending projection that extends away from a longitudinal axis of the main body, and
• wherein a first one of the exit ports is oriented along a first axis and at a first angle relative to the longitudinal axis, and a second one of the exit ports is oriented along a second axis at an angle relative to the first axis and at a second angle relative to the longitudinal axis, the first and second angles being different from one another.

A spray head for a desuperheater, comprising:

• a main body having a first end portion arranged for attachment to a flow line, a second end portion spaced away from the first end portion, an internal surface, and an internal passage defined by the internal surface, the internal passage arranged for connection to a fluid source, and the internal surface having a plurality of entrance ports;
• the main body including an outer portion and including a plurality of spray nozzles, each of the plurality of spray nozzles including an exit port;
• and
• a plurality of flow passages extending between the internal surface and the outer portion, each of the plurality of flow passages fluidly coupling a corresponding one of the plurality of entrance ports to a corresponding exit port of a corresponding one of the plurality of spray nozzles,
• wherein each of the spray nozzles is carried by an outwardly extending projection that extends away from a longitudinal axis of the main body, and
• wherein a first one of the exit ports is oriented along a first axis and parallel to the longitudinal axis.

A method of manufacturing, comprising:

• creating a spray head for a desuperheater using an additive manufacturing technique, the creating comprising:
• forming a main body having a first end portion arranged for attachment to a flow line, a second end portion spaced away from the first end portion, an internal surface, an outer portion, and an internal passage defined by the internal surface, the internal passage arranged for connection to a fluid source, the internal surface having a plurality of entrance ports;
• forming a plurality of spray nozzles, each of the plurality of spray nozzles including an exit port;
• and
• forming a plurality of flow passages extending between the internal surface and the outer portion, each of the plurality of flow passages fluidly coupling a corresponding one of the plurality of entrance ports to a corresponding exit port of a corresponding one of the plurality of spray nozzles;
• and
• integrally forming a plurality of outwardly extending projections with the main body such that the main body and the plurality of outwardly extending projections form a monolithic structure, the plurality of outwardly extending projections extending away from a longitudinal axis of the main body;
• wherein each of the spray nozzles is carried by one of the outwardly extending projections, and
• wherein a first one of the spray nozzles adapted to spray a first volume of the fluid is positioned closer to the second end portion, and a second one of the spray nozzles adapted to spray a second volume of the fluid is positioned closer to the first end portion, the first volume being greater than the second volume.