Bundled multi-tube nozzle for a turbomachine

摘要

A turbomachine includes a compressor, a combustor operatively connected to the compressor, an end cover mounted to the combustor, and an injection nozzle assembly operatively connected to the combustor. The injection nozzle assembly includes a cap member having a first surface that extends to a second surface. The cap member further includes a plurality of openings. A plurality of bundled mini-tube assemblies are detachably mounted in the plurality of openings in the cap member. Each of the plurality of bundled mini-tube assemblies includes a main body section having a first end section and a second end section. A fluid plenum is arranged within the main body section. A plurality of tubes extend between the first and second end sections. Each of the plurality of tubes is fluidly connected to the fluid plenum.

主权项

1. A turbomachine comprising:
a compressor; a combustor operatively connected to the compressor; an end cover mounted to the combustor; and an injection nozzle assembly operatively connected to the combustor, the injection nozzle assembly including: a cap member including a first surface portion that extends to a second surface, and a plurality of openings, each of the plurality of openings extending through the cap member; and a plurality of bundled mini-tube assemblies detachably and directly mounted in respective ones of the plurality of openings in the cap member, each of the plurality of bundled mini-tube assemblies including a main body section including a first end section and a second end section, a fluid plenum arranged within the main body section, and a plurality of tubes extending between the first and second end sections, each of the plurality of tubes including at least one opening fluidly connected to the fluid plenum wherein, the plurality of bundled mini-tube assemblies are arranged on the cap member in an annular array, wherein the plurality of bundled mini-tube assemblies are arranged on the cap member in an annular array that extends circumferentially about a central bundled mini-tube assembly.