| 摘要 |
Disclosed herein is a nozzle box assembly including a torus, a steam path ring, and a bridge ring. The torus has a plurality of steam inlets and an annular steam outlet. The steam path ring has an annular steam inlet, the annular steam inlet has an inner diameter (ID) and an outer diameter (OD), the steam path ring is disposed downstream of the torus. The bridge ring has an annular steam inlet and an annular steam outlet, the annular steam outlet has an ID and an OD, the bridge ring is disposed between the torus and the steam path ring, the bridge ring annular steam outlet is adjacent to the steam path ring annular steam inlet, and the steam path ring annular steam inlet OD is greater than the bridge ring annular steam outlet OD and the steam path ring annular steam inlet ID is smaller than the bridge ring annular steam outlet ID.
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