© 2014 Toshiba Corporation
TOSHIBA’s Energy Solution
Japan-Poland Clean Coal Seminar2014
2nd June, 2014
Takashi SASAKI
Technology Executive
Power Systems Company
Toshiba Corporation
© 2014 Toshiba Corporation 2 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Today’s Contents
1. Toshiba in Thermal Power Energy Sector
2. Enhancement of thermal Power plant
Ultra Super Critical (USC)
Advanced Ultra Super Critical (A-USC)
3. Carbon Capture Technologies
Post Combustion Capture
Novel thermal Power System with CCS
4. Conclusions
© 2014 Toshiba Corporation 3 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Today’s Contents
1. Toshiba in Thermal Power Energy Sector
2. Enhancement of thermal Power plant
Ultra Super Critical (USC)
Advanced Ultra Super Critical (A-USC)
3. Carbon Capture Technologies
Post Combustion Capture
Novel thermal Power System with CCS
4. Conclusions
© 2014 Toshiba Corporation 4 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
TOSHIBA’s Business segments
Energy & Infrastructure
Community Solutions HeaIthcare
Lifestyle
*FY2013 data
26%
19%
Others
Total sales: $65B
Electronic Devices
6%
18%
24%
7%
© 2014 Toshiba Corporation 5 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Committed to power solutions
Hydro
Toshiba: “One-stop solution” provider in power business
Geothermal Wind
CCS (CO2 capture)
Nuclear Fuel cell
Mega solar
Smart grid
Thermal
© 2014 Toshiba Corporation 6 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Turbine Power Plants Supplied by TOSHIBA
1,904 units Rich Experiences all over the world from 1927 No.1 market share in North America in the past decade
The First Shipment
1927
171GW
© 2014 Toshiba Corporation 7 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
(Among Major Manufacturers during 1988~2008(20yrs))
Leader in World Wide Share
Toshiba is the Leading Player of Supercritical Steam Turbines
:81 units in the world except China
World Share of Supercritical Steam Turbine
Data extracted from
McGraw Hill Data
52% 22%
19%
7%
TOSHIBA
Wold Wide Share Share in Japan
27%
18% 16%
16%
14%
9% TOSHIBA
Company A Company B
Company C
Company D
Company E
Company X
Company Y
© 2014 Toshiba Corporation 8 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Today’s Contents
1. Toshiba in Thermal Power Energy Sector
2. Enhancement of thermal Power plant
Ultra Super Critical (USC)
Advanced Ultra Super Critical (A-USC)
3. Carbon Capture Technologies
Post Combustion Capture
Novel thermal Power System with CCS
4. Conclusions
© 2014 Toshiba Corporation 9 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Efficiency Enhancement Continuously striving for performance improvement
Develop higher temperature and higher pressure turbine
The Highest Efficiency 42% as USC (600 ℃ )
Performance Improvement
Effi
cie
ncy
(%)
(HH
V)
Advanced-Ultra Super Critical
Ultra Super Critical
Main Steam Pressure (MPa) 20 30 40
42
43
44
48
45
41
40
46
47
A-USC
USC
SC
46%
42%
(MST/RST)
(600/610℃)
(700/720 720℃)
(538/566℃)
USC
(593/593℃)
© 2014 Toshiba Corporation 10 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Toshiba USC Development Trend
1990 1995 2000
538/566C
MST / RST
TSURUGA #1
500MW
(24.1MPag 566/566℃)
HEKINAN #1
700MW
(24.1MPag 538/566℃)
NOSHIRO #2
600MW
(24.1MPag 566/593℃)
HARAMACHI #1
1000MW
(24.5MPag 566/593℃)
NANAO OHTA #2
700MW
(24.1MPag 593/593℃)
J-Power TACHIBANAWAN #1
1050MW
(25MPag 600/610℃)
HEKINAN #4,#5
1000MW
(24.1MPag 566/593℃)
566/566C
566/593C
593/593C
600/610C
2005 2010
TAIZHOU #1&2
1000MW
(25MPag 600/600℃)
IATAN 914MW
(24.6MPag 582/582℃)
MAIDURU #2
900MW
(24.5MPag 595/595℃)
MST: Main Steam Temperature
RST: Reheat Steam Temperature
2015
SAMCHEOK #1&2
1022MW
(24.6MPag 600/600℃)
(Year)
© 2014 Toshiba Corporation 11 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Customer: Tohoku Electric
Power Co., Japan
Taking Over: Dec. 1994
Turbine: Tandem Compound,
Four Flow, Reheat Type
(TC4F-42”)
Output: 600 MW
Main Steam: 24.1MPag, 566 C
Reheat Steam: 593 C
Rotation Speed:3000 rpm
NOSHIRO #2 POWER PLANT(JAPAN)
Benchmark Power Plants with High Steam Parameters
© 2014 Toshiba Corporation 12 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Customer: Hokuriku Electric
Power Co., Japan
Taking Over: July 1998
Turbine: Tandem Compound
Four Flow, Reheat Type
(TC4F-40”)
Output: 700 MW
Main Steam: 24.1MPag , 593C
Reheat Steam: 593 C
Rotation Speed:3600 rpm
NANAO OHTA #2 POWER PLANT (JAPAN)
Benchmark Power Plants with High Steam Parameters
© 2014 Toshiba Corporation 13 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Customer: Chubu Electric
Power Co., Japan
Taking Over: November 2001(#4)
November 2002(#5)
Turbine: Tandem Compound,
Four Flow, Reheat Type
(TC4F-40”)
Output: 1000 MW
Main Steam: 24.1MPag, 566 C
Reheat Steam: 593 C
Rotation Speed:3600 rpm
Hekinan #4,5 POWER PLANT(JAPAN)
Benchmark Power Plants with High Steam Parameters
© 2014 Toshiba Corporation 14 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Customer: Electric Power
Development Co.,
(J-Power), Japan
Taking Over: July 2000
Turbine: Cross Compound,
Four Flow, Reheat Type
(CC4F-48 inch)
Output: 1050 MW
Main Steam: 25MPag, 600 C
Reheat Steam: 610 C
Rotation Speed: 3600 rpm / 1800rpm
TACHIBANA BAY #1 POWER PLANT (JAPAN)
Benchmark Power Plants with High Steam Parameters
© 2014 Toshiba Corporation 15 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Benchmark Power Plants with High Steam Parameters
Customer: KOREA SOUTHERN POWER
Turbine: Tandem Compound Four Flow Ti 48inch
Generator: 2 X 1230MVA
Output: 2 X 1022MW
Steam Conditions: 24.6MPag, 600/600 C
Rotational Speed: 3600rpm
Commercial Operation: 2015 (scheduled)
© 2014 Toshiba Corporation 16 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Enhancement of steam temperature
<Sub critical>
CrMoV Steel
<Super Critical>
12Cr steel
・High chromium
・Nb,N added
<Ultra Super Critical>
New 12Cr steel
・Co,B added
・W increase
・Mo decrease
<Super Critical /
Ultra Super Critical>
Mod. 12Cr steel
・W added
Characteristics of Rotor Material
CrMoV
12Cr
Mod. 12Cr
Ma
teria
l S
tre
ng
th
550 575 600 625 650 Steam Temp. (degC)
New 12Cr
1970s Early 1990s
Late 1990s
(cre
ep r
uptu
re s
trength
)
Required strength
© 2014 Toshiba Corporation 17 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Enhancement of unit capacity U
nit
Cap
acit
y(M
W)
1000
Steel Steel Titanium
1200
800
600
Last stage blade line up
of steam turbine
First unit Taking over 1994 2005
Full Scale Test Facility
Material
Blade Length (for 50Hz/60Hz)
2010
High reliability
High efficiency
42/35inch 48/40inch 58/48inch Computed Fluid
Dynamics Simulation
© 2014 Toshiba Corporation 18 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
A-USC(Advanced Ultra Super Critical) System
0
2
4
6
8
10
12
14
16
20 30 40 Main Steam Pressure (MPa)
Rela
tive I
mpro
vem
ent of E
ffic
iency Dh
/h
(%
)
538/566C
700/720/720C A-USC Double Reheat
600/610C
Steam Turbine
●High temperature material
●Turbine Structure / Flowpath
Overall system
●Steam condition
●Heat balance
Steam Valve
●High temperature
material
■R&D Requirements
USC
SC
USC
566/566/566C Double Reheat
© 2014 Toshiba Corporation 19 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Customer: Chubu Electric Power
Co., Japan
Taking Over: Unit #1: Jun 1989
Unit #2: Jun 1990
Turbine: Tandem Compound,
Four Flow,
Double Reheat Type
(TC4F-33.5”)
Output: 700 MW
Main Steam: 31.0 MPag , 566 C
Reheat Steam: 566 / 566 C
Rotation Speed:3600 rpm
Kawagoe #1,2 POWER PLANT(JAPAN)
Double Reheat Plant : TOSHIBA’s proven technology
© 2014 Toshiba Corporation 20 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Transition of Steam Turbine Materials in TSB
650
600
575
550
525
500
1960 1970 1980 1990 2000 2010 2020 1950
625
(year)
750
725
700
675
1000MW
25MPa
593/593℃
Mod-12Cr Steel
New-12Cr Steel
CrMoV Steel
12Cr Steel
USC
Sub / Super Critical
375MW
16.7MPa
566/538℃
500MW
24.1MPa
566/566℃
Nickel-based alloys
A-USC
35MPa
700/750/750℃
© 2014 Toshiba Corporation 21 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Development of High Temperature Material Characteristics of Rotor Material
CrMoV
Ma
teria
l S
tre
ng
th
550 600 650 Steam Temp. (degC)
New
12Cr
750 700
Nickel based
Alloy
Rotor
Weight: 14ton
Welded rotor
Casing
Weight: 9ton
Verify manufacturability of
Ni based alloys in actual size
3t
14t
Gas
Turbine
Steam
Turbine
Forged block mass
(cre
ep r
uptu
re s
trength
)
12Cr
Mod. 12Cr
Required
strength
© 2014 Toshiba Corporation 22 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Conceptual design of A-USC Steam Turbine
A-USC (1000MW Class, 35MPa, 700/720/720 C) turbine
Welded Rotor
Ni based Alloy-Ferritic Steel
Inner Casing
Ni Based Alloy
Main steam 35MPa 700C
2nd reheat steam 3MPa 720C
1st reheat steam 10MPa 720C
Boiler Boiler
© 2014 Toshiba Corporation 23 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Today’s Contents
1. Toshiba in Thermal Power Energy Sector
2. Enhancement of thermal Power plant
Ultra Super Critical (USC)
Advanced Ultra Super Critical (A-USC)
3. Carbon Capture Technologies
Post Combustion Capture
Novel thermal Power System with CCS
4. Conclusions
© 2014 Toshiba Corporation 24 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Carbon Capture Technologies
Boiler DeNOx EP FGD
CO2 Separation
CO2 H2O N2
H2O N2
O2
Coal Air
Boiler
EP FGD
CO2 H2O O2
H2O
Coal ASU
Air O2
Ga
sif
ier
Coal ASU
Air O2
CO2
Separation
CO2 CO H2O H2
H2O CO2 H2 H2
Gas Turbine
CO2
Separation
Post Combustion Capture
CO2
Shift Reaction
EP・FGD
CO2
CO2
Oxy-Fuel Combustion
Pre Combustion Capture
Advantages
- Applies widely to thermal PP
(New, Retro, CC, Industrial)
- Proven technology
Challenges
-Energy Required for capture
-Cost of Capture Equipment
Advantages
- Size of capture equipment is
small (No N2 to separate)
- Boiler size smaller
Challenges
-Energy Required for ASU
-Cost for ASU
-CO2 purity
ASU: Air Separation Unit FGD: Fuel Gas Desulphurization EP: Electrostatic Precipitator
Advantages
-Size of capture equipment is
small (High pressure syngas)
Challenges
-Energy Required for ASU
-Operational Flexibility
-Cost of overall plant equipment
© 2014 Toshiba Corporation 25 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Integration with Power System ・ Heat & Mass Balance ・ System Operation
Integration with Exhaust System ・ DeNOx, FGD, EP Requirements ・ Pressure Losses, etc.
Knowledge of both Efficient Power Plant Cycle
and Carbon Capture Technology is required
FGD
EP
DeNOx
Boiler Steam Turbine
Generator
Condenser
Steam Extractions
Stack
Exhaust
Carbon Capture System ・ Integrated arrangement with Power Island Components
Post Combustion
Carbon Capture System
Str
ipp
er
CO2
Compressor Re-
boiler Ab
so
rbe
r
Easy Integration with Existing Plants
© 2014 Toshiba Corporation 26 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Mikawa PCC Pilot Plant
Summary of Results (as of May, 2014)
Plant Outline
・ Cumulative 8125 hours of operation
・ CO2 Recovery Energy: less than 2.4 GJ/ t-CO2
(@90% CO2 Capture, CO2 Conc. approx. 12%)
・ Verified system stability over 2800 hours of
continuous operation.
Commenced: September 29, 2009
Carbon Capture Post Combustion Capture
Technology: Amine-based Chemical Absorption
(Toshiba’s Solvent System)
Capture Capacity: 10 ton-CO2 / day
Flue Gas Flow: 2100 Nm3 / hour
Mikawa Coal Fired Power Plant
PCC Pilot Plant
© 2014 Toshiba Corporation 27 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
CCS Plant Design Examples
CCS (Ready ) Plant Design for
New Build Power Plants (500MW Class)
・Full CO2 Capture (90%)
・Space for CCS nearly equal
Space for Power Block
CCS Retrofit Design onto
Existing Power Plants (550MW Class)
・300t/day (3%) CO2 Capture Planning
Power Output Loss Augmented by
Steam Turbine Uprate / Modification
・3000t/day (30%) CO2 Capture Planning
New Build Retrofitting
Examples for Coal Fired Thermal Power Plants
300t/day Carbon
Capture Plant
Boiler
CCS Power
Block
© 2014 Toshiba Corporation 28 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
・ Novel system for producing cheap, clean electricity from fossil fuels.
・Generates zero atmospheric emissions (100% carbon capture)
・Produces electricity at a lower cost compared to existing technologies.
Supercritical CO2 Circulated Cycle Thermal Power Plant
High Pressure CO2
100% Carbon Capture
Fuel Fuel flexibility
(Natural gas, Coal syngas)
Target Efficiency 60%
(including Carbon Capture)
© 2014 Toshiba Corporation 29 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Supercritical CO2 Circulated Cycle Thermal Power Plant
Gas and Steam Conditions
Pre
ssu
re(M
Pa)
0 Temperature(degC)
500
(30MPa,1150℃)
1500
10
20
30
Gas Turbine
A-USC
USC
SC CO2 Cycle
Improve efficiency
1000
<New technology>
① Combustor
・Oxy-fuel combustion
・High‐pressure combustor
② Supercritical CO2 Cycle
・High pressure & temperature
High energy density
5m
15m Steam Turbine
CO2 Turbine
250MW Class
© 2014 Toshiba Corporation 30 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Supercritical CO2 Circulated Cycle Thermal Power Plant
CO2Turbine
R&D Status
Success in Combustion
Aug 2013 in California
25MW Class Design Complete
・Blade Cooling system
(Gas Flow Balance, Coating)
・Rotor System Dynamics
Combustor
Verified stability of combustion
・Low level vibration
・High combustion efficiency
Summary of Results (as of May, 2014)
Combustor Rotor
(Nickel based Alloy)
© 2014 Toshiba Corporation 31 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.
Enhancement of thermal power plant efficiency
Broad experiences of USC
Advanced Technologies for A-USC
Reduction in CO2 emission
Post Combustion Capture Technology
Super Critical CO2 Circulated Cycle
Conclusion
TOSHIBA contributes to improvement of
coal fired thermal power plants
© 2014 Toshiba Corporation 32 This document is CONFIDENTIAL and is the INTELECTUAL PROPERTY of TOSHIBA
CORPORATION. It must not be copied, loaned or transferred, nor must the information it
contains be disclosed to third parties without its written permission.