Doosan Heavy Industries & Construction Co., Ltd

Hae Sang Jeong

Dong Woo Kang

Cheol Hong Kim

A turbine nozzle box includes an annular outer ring plate, an annular nozzle unit, and an annular inner ring plate. The annular outer ring plate is operable to be disposed in a turbine such that an outer peripheral surface thereof is adjacent to an inner peripheral surface of an inner casing of the turbine. The annular nozzle unit is disposed adjacent to an inner peripheral surface of the outer ring plate. The annular inner ring plate is disposed such that an outer peripheral surface thereof is adjacent to an inner peripheral surface of the nozzle unit. The nozzle unit includes a plurality of segment blocks circumferentially installed at an arc angle. The segment blocks are disposed at an inlet end of a first-stage nozzle unit, and an outlet end of the first-stage nozzle unit is open.

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Gyeonggi-do, South Korea

Hae Sang Jeong