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Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam...

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Steam Generator Innovations Peter Rop
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Page 1: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Steam GeneratorInnovations

Peter Rop

Page 2: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

NEM: a global presence

6 35,000

6

55025

Page 3: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Product overview

Page 4: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Advanced HRSG design options:

Cycling & Fast start: Full GT power in 12 min

High steam temperatures: 600°C

High steam pressure: > 180 bar(a)

Design options

Page 5: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

TURBINE EXHAUSTFLOW

SU

PE

RH

EA

TE

R

EV

AP

OR

AT

OR

FEEDWATERSUPERHEATED STEAM

EXHAUSTTO STACK

STEAMDRUM

EC

ON

OM

IZE

RSU

BC

OO

LE

DW

AT

ER

2P

HA

SE

MIX

TU

RE

SU

PE

RH

EA

TE

DS

TE

AM

TURBINE EXHAUSTFLOW

SUPERHEATER

EVAPORATOR

ECONOMIZER

SUPERHEATED STEAM

EXHAUST TOSTACK

FEEDWATER

STEAMDRUM

SUBCOOLED WATER

2 PHASE MIXTURE

SUPERHEATED STEAM

HorizontalHRSG

VerticalVerticalHRSGHRSG

Main configurations

Page 6: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Horizontal gas pathOptimized HP drum“normal” SH + headersOnly subcritical

DrumPlus: HNC fast-start

Page 7: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

• Minimize drum wall thickness

• Hold-up: > 1 min

• Sec. steam dryers outside drum> NEM patent

Drum Plus design

Page 8: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Total solution: flexibility

multipledowncomers

SH1connections

Separatorbottles

Page 9: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Horizontal gas path2-stage evaporator“normal” SH with headersStability

Horizontal OTSG

Page 10: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Horizontal gas pathDouble evaporator+ 2-phase redistribution

“normal” SH + headers

Horizontal OTSG

Page 11: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Vertical gas pathMulti-pass evaporatorSerpentine bundlesPlot space

Vertical OTSG

Page 12: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Serpentine bundles

Vertical OTSG

Page 13: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

VOTSG: 3p + RH

Page 14: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Modular VOTSG

“Clean” designDry-running capabilityWarm casing:

fuel indifferentModular design:

fast erection

Page 15: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Header-type Heat Exchanger

Large power

Fast start

Multiple media options: geothermal, moltensalt, ORC etc.

Design options

Page 16: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Steam generator

FW in

Steam out

HTF in

HTF out

Reheater

HTF out

HTF in

Steam out

Steam in

Top view

Heat Exchanger

Once-Through heat exchanger design

Page 17: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

264 MWth Steam Generator (Blythe)

Heat Exchanger

Page 18: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Nuclear fusion power plant:

1120 MWth 2x50% OTSG + RH

Heat Exchanger

Page 19: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

Geothermal & Organic Rankine Cycle applications

Heat Exchanger

Page 20: Steam Generator Innovations - Siemens Main configurations. Horizontal gas path ... • Sec. steam dryers outside drum > NEM patent Drum Plus design. Total solution: flexibility multiple

THANK YOU!


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