Toshiba`s Activity in Clean Coal and Carbon Capture

Transcription

APEC Clean Fossil Energy Technical and Policy Seminar 2012
Expert Group on Clean Fossil Energy (EGCFE)
Toshiba's Activity
in Clean Coal and Carbon Capture Technology
for Thermal Power Plants
February 22nd, 2012
Kensuke Suzuki
Plant Engineering Department
Thermal & Hydro Power Systems & Services Division
© TOSHIBA CORPORATION 2012, All rights reserved.
1 / 24
Contents
1.
2.
3.
4.
Toshiba Overview and CCT/CCS
Carbon Capture Demonstration at Mikawa
On-Going Work on Carbon Capture
Summary
2 / 24
Toshiba Corporation Organization
< Digital Products Group >
Digital Products & Service Company
Network & Solution Control Center
Storage Products Company
TOSHIBA TEC CORPORATION
President & CEO
Norio Sasaki
< Electronic Devices & Components Group >
Semiconductor Company
Toshiba Mobile Display Co., Ltd.
< Infrastructure Systems Group >
Power Systems Company
Thermal & Hydro Power Systems & Services Div.
Social Infrastructure Systems Company
TOSHIBA ELEVATOR AND BUILDING SYSTEMS CORPORATION
Toshiba Corporation
Headquarters, Tokyo
Toshiba Solutions Corporation
TOSHIBA MEDICAL SYSTEMS CORPORATION
As of April 1, 2011
3 / 24
Toshiba’s Energy Products & Services
Thermal Power Plants
Nuclear Power Plants
Hydro Power Plants
Photovoltaic & Renewable Energies
Hydro Turbines
Steam Turbines
Turbine Generators
Hydro Generators
Smart Grid / Smart Communities
C&I Systems
T&D Systems
4 / 24
Toshiba Group Environmental Vision 2050
（ Toshiba Group Environmental Report 2009 )
High Efficiency Cycles and CCS technology play vital role
in reducing Carbon Footprint of Thermal Power Plant
5 / 24
CO2 Reduction in Thermal Power Plants
CO2 Emissions (grams / kWh)
1400
1200
Sub Critical
1000
Hig
he
800
USC
r Ef
ficie
ncy
600
CO
400
2
A-USC
e
ur
t
p
Ca
CO
2
Ca
ur
pt
e
LNG Combined Cycl
e
200
USC+CCS
0
30
A-USC+CCS
( 90% CO2 Capture )
35
( 90% CO2 Capture )
40
45
50
55
60
Plant Net Efficiency (LHV)
Substantial CO2 reduction is realized by Integration and Optimization of
both High efficiency Turbine Cycles and CCS technology
6 / 24
CO2 Capture Technology for Thermal Power Plant
Boiler
CO2
H2O
N2
PROS:
DeNOx
EP
FGD
H2O
N2
O2
CO2 Capture
CO2
CONS:
Air
Fuel
Post Combustion Capture (PCC)
Boiler
CO2
H2O
O2
O2
EP
FGD
CO2 Capture
H2O
Air
ASU
Gasifier
Fuel
O2
CO2
H2
H2O
DeNOx/FGD
ASU
Shift
Reactor
- Energy penalty and cost required for ASU
- Additional equip required for CO2 purity
- No partial capture configuration possible
PROS:
H2
Gas
Turbine
CO2 Capture
CO2
Air
- Capture process after boiler simplified
- Little penalty associated with capture itself
CONS:
Oxy-Fuel (Firing)
CO2
CO
H2O
H2
- Energy penalty for capture
- Equipments tend to be larger than other techs
PROS:
CO2
Fuel
- Process proven in chemical industry
- Adaptable to new build, existing retros
- Adaptable to other emitters (steel, cement)
- Partial capture configuration possible
Pre Combustion Capture
- Capture equipments smaller (high pressure)
- Capture energy penalty smaller
CONS:
- Energy penalty and cost required for ASU
- IGCC lacks operational flexibility of CC
- Only new build application
- No partial capture configuration possible
ASU: Air Separation Unit FGD: Fuel Gas Desulphurization EP: Electrostatic Precipitator
7 / 24
CO2 Capture Technology Implementation Flow
P-36
P-23
P-35
V-3
GC
P-21
V-1
GC
P-16
I-1
P-14
P-15
I-4
P-17
P-19
P
P-12
P-51
I-14 P-33P-49
P-48
E-11
E-12
P-33
P-34
T
E-8
E-16
I-13
E-4
I-5
P-40
T
P-13
I-11
P-18
P-47
P-7
P-38
P-39
P-38
P-41
P-20
E-17
P-46
T
I-12
P-10
P-7
E-18
P-11E-3
T
I-9
P-27
P-25
P-26
P-6
P-11
-45
I-8
E-19
T
P-50
I-2
P-8
I-10
E-13
GC
P
E-1
P
P-52
LC
P-9
Stirpper
I-16
P-10
P-3
I-6
P-42
P-43
P-2
P-9
P-11
P-1
E-5
E-7
I-1
I-1
I-1
I-1
I-1
T
LC
E-6
I-7
N2
O2
CO2
SOx
NOx
Screening of Absorbents and
Evaluation of System
Performance Improvement
by Simulation
Evaluation of Basic Properties
and Absorption Performance
Overall Demonstration at
Mikawa - PCC Pilot Plant
Performance / Degradation
Evaluation by Small Loop
Design of Full Scale
Demonstration Plant
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Contents
1.
2.
3.
4.
Summary
9 / 24
Mikawa Power Plant and Test Facilities
Location:
Plot Plan:
Turbine Unit #2
PCC Pilot Plant
Steam Turbine
Test Facility
Tokyo
(TSB HQ)
ESP
Sigma Power Ariake Co., Ltd.
Mikawa Power Plant
Omuta City, Fukuoka, Japan
FGD
Stack
Boiler
Turbine Unit #1
47.5 MW Coal Fired
PCC*: Post Combustion Capture
Mikawa – A Showcase of Low Emission Thermal Power Technology Demo
10 / 24
Mikawa Full Size Steam Turbine Test Facility
LP Turbine
HIP Turbine
Generator
Generator
HIP turbine
Condenser
Test
Facility
Existing
Power Plant
Facility
HIP+LP
Condenser
Generator
Boiler
Heater
LP turbine
■ Shortens steam turbine development lead time required from design to field
■ Improves quality of technical verifications of new technology
■ Verifications in the actual machine sizes and under actual steam conditions
11 / 24
Mikawa Post Combustion Capture (PCC) Pilot Plant
Featured as Front Page Article
on Nov/Dec 2011 Edition of the
Carbon Capture Journal
12 / 24
Mikawa PCC Pilot Plant - Overview and Summary
Plant Outline
Location:
Omuta City, Fukuoka
Inside Mikawa Thermal Power Plant
(Property of SIGMA POWER Ariake Co.Ltd.)
Test 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 ( from Coal Fired Power Plant )
Summary of Results (as of Nov 2011)
・ Cumulative 5702 hours of operation on a live flue gas of
coal fired thermal power plant
・ CO2 Recovery Energy: less than 2.6 GJ/ t-CO2
(@90% CO2 Capture, CO2 Conc. approx. 12%)
・ Verified system stability over 2800 hours of
continuous operation.
Video
http://www.toshiba-smartcommunity.com/EN/index.html#/technology_energy_co2
13 / 24
100
20
90
18
80
16
70
14
60
12
50
10
40
8
30
6
●
CO2 Capture Ratio
○ Captured CO2
20
4
10
2
0
0
0
500
1000
1500
2000
Captured CO2 [t/D]
CO2 Capture Ratio［ %］
PCC Pilot Plant Results – Continuous Operation
2500
3000
Operating Time [hr]
(Test Period 3: 2010)
Performance Stable over 2800 Hours of Continuous Operation
14 / 24
PCC Pilot Plant Results - CO2 Recovery Energy
CO2 Capture Ratio[%]
PCC Pilot Plant System Modified in 2011 to Improve CO2 Rich Loading
100
95
90
85
80
75
70
2.00
2.20
2.40
2.60
2.80
3.00
CO2 Recovery Energy [GJ/t-CO2]
(Test Period 5: 2011)
CO2 Recovery Energy：～ 2.6 GJ/t-CO2 @ 90% Capture
15 / 24
PCC Pilot Plant - Material Evaluation
Corrosion Coupon Tests
CO2
Flue Gas
to Stack
Buffer
Tank
Condenser
& Separator
Lean Solvent
Pump
Rich Solvent
Lean
Solvent
Flue Gas
from FGD
Heat
Exchanger
Stripper
Absorber
Lean Solvent
Cooler
Reflux
Pump
Steam
from Turbine
Reboiler
Drain
Rich Solvent Pump
SS400
SUS304
Test Pieces
SUS316
SUS316L
No Substantial Degradation is found to present
16 / 24
PCC Pilot Plant – Other Activities
Evaluation of
Long Term
Plant Operation
Solvent Sampling and Evaluation
Material Test Piece and Evaluation
Solvent Purification Test
Start-up/Shut-down
Transient Operation
Verification Tests
Evaluation of Plant Operability
Example: Start-Up
17 / 24
Contents
1.
2.
3.
4.
Summary
18 / 24
Integrating CCS to Thermal Power Plant
Carbon Capture needs to match Power Plant
Requirements in both performance and operability
Boiler
BUF
SCR
GGH
ESP
GGH
IDF
FGD
Stack
GAH
Feed Gas Blower
CO2 Compressor
Liquefied
CO2
Condenser
Extraction Steam System
Buffer Tank
G
Stripper
Lean Solvent
Absorber
Pump
Steam Turbine Generator
Reboiler
Condenser
CEP
LP
Heaters
Deae
BFP
HP
Heaters
Drain Recovery System
Cross Heat
Exchanger
Lean Solvent
Booster Pump
Rich Solvent
Pump
19 / 24
Bulgaria Maritsa East USC & CCS Project
Country :
Bulgaria
Customer :
Bulgaria Energy Holdings
Key Activities :
Feasibility Study for Application of Full CCS Chain
( FS funded by NEDO of Japan )
500MW Supercritical Coal Fired TPP with CCS(Ready) provisions
CO2 Transport and Storage study conducted in parallel
Turbine Generator
with extraction for CCS
CO2 Transport and
Storage evaluation
Maritsa East 2 TPP
Plant Design with carbon capture
20 / 24
Huadian Carbon Capture Collaboration
Country :
China
Customer :
Huadian Environmental Protection Engineering & Technology
Key Activities :
MoU regarding collaboration in carbon capture technology
Absorbe
r
Modification to
Mikawa Pilot Plant
to test low CO2
concentration flue gas
Stripper
Feasibility Study regarding application of post combustion capture
system on existing natural gas fired combined cycle plant
(390MW FA-class 1x1 single shaft NGCC)
Testing of low CO2
concentration flue gas
at Mikawa Pilot Plant
Overall plant heat and mass balance study
with CCS integration
Gas fired combined cycle
Reheat / Induction steam
Main steam
CO２
Gas
Electricity
ST
Comb
Comp
Ex Gas
Turbine
HRSG
Carbon
Capture
GT
Stack
air
condensate
21 / 24
Contents
1.
2.
3.
4.
Summary
22 / 24
Summary
 Toshiba positions Carbon Capture and
Clean Coal as important part of its
Environmental Vision going forward.
 Toshiba has embarked on
commercialization of Carbon Capture
Technology towards application to
actual thermal power plants, starting
with the extensive Pilot Plant work at
Mikawa, Japan
 Toshiba is actively utilizing the fruits
of work at the Mikawa Pilot Plant, to
integrate and optimize the Carbon
Capture Technology to the needs of
the thermal power plant market.
23 / 24
For more information, contact:
Mr. Kensuke Suzuki
CCS Business Manager
Plant Engineering Department
Thermal & Hydro Power Systems & Services Division
Toshiba Corporation Power Systems Company
e-mail: [email protected]
24 / 24

Toshiba`s Activity in Clean Coal and Carbon Capture

Transcription

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