Siemens Gasification and IGCC Update
Harry Morehead
Manager, IGCC and Gasification Sales and Marketing, Americas
Presented at
PowerGEN International
Orlando, FL
December 3, 2008
Siemens Energy
Renewable Energy
Oil & Gas
Fossil Power Generation
Power Transmission
Energy Service
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Dec. 3, 2008
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Power Distribution
Copyright © Siemens Energy, Inc. 2008. All rights reserved.
Agenda
Recent Highlights
Gasification Update
Gasification O&M / Gasifier Services
Conclusions
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Copyright © Siemens Energy, Inc. 2008. All rights reserved.
Recent Siemens IGCC and Gasification Highlights
2 SFG-500 gasifiers have arrived in China,
2 more shipped in October, and two will
ship for Secure Energy at end of 2008
New FEED contracts:
- EPCOR, Genesee IGCC Project
(SFG-500 gasifier)
- AEC, Latrobe Valley, UREA, Australia
Technology selected for IGCC projects
in North America and Europe
Vresova refractory lined gasifier in
commercial operation
4 FEEDs completed
10 feasibility studies completed
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Gasification Technology - Worldwide Activities
Sustec, Schwarze Pumpe
200 MWth, 1984-2007
EPCOR
270 MW IGCC
NCPP, Coal to
Polypropylene
2500 MWth
China JV
GSP China
Summit Power
600 MWe IGCC
Siemens Energy, Inc.
Orlando, FL
JinCheng
Coal to Ammonia
1000 MWth
Secure Energy
Coal to SNG,
1000 MWth
Siemens Offices
Operating Units
Current Projects
Technology Selected
HQ Freiberg
Test Facility
Vresova
175 MWth, 2008
AEC
Coal to UREA
• Four SFG-500 Gasifiers shipped, 5 being manufactured
• Technology selected and in pre-selection in further projects
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Copyright © Siemens Energy, Inc. 2008. All rights reserved.
Siemens SFG Gasification Technology
SFG Gasifiers
Highlights
Current Gasifier Products
SFG-500
500 MWth
• Cooling Screen Design
Refractory Lined Gasifier
Siemens Gasification Test Facility
OEM Support
Siemens manufactures the critical
gasification equipment
Siemens invests in R&D to improve both gasifier
and gasification island design
Siemens provides local sales and gasifier
component/service support throughout life
of project
Project Development Support
Siemens can provide feasibility or pre-FEED
information for initial project definition
Siemens can provide gasification island basic
design and process design packages
during FEED
Siemens comprehensive gasification test facility
is available to confirm gasification characteristics
Siemens OEM support before, during and after construction
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Copyright © Siemens Energy, Inc. 2008. All rights reserved.
Available Product Designs
for Different Feedstocks
Cooling Screen
Gasifier
Gasification conditions depend on
feedstock characteristics:
Carbon, hydrogen content, heating value,
moisture level
Ash composition determines ash melting
temperature
Gasification temperature above
AMT: 1,300 - 1,800 °C (2,370 - 3,270 F)
Feedstock Type
Refractory Lined
Gasifier
Ash Content
Solid
Liquid
>2%
<2%
Pneumatic dense
flow feeding
system
Feed pumping
Reactor wall with
cooling screen
Reactor wall with
refractory lining
Liquid spray
burner
Dust fuel burner
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Slag layer for
thermal protection
Copyright © Siemens Energy, Inc. 2008. All rights reserved.
Siemens SFG-500 Gasification Island
with Full Water Quench
Features
Feedstock flexibility
Wide range of coals
Petcoke
Coal / Petcoke blends
Biomass Co-feed
Liquid Feedstocks
Entrained flow gasifier
No tars or oils
produced
Vitreous slag
Full Water Quench
High water content in
raw gas
Equipment
Supply
Mechanical syngas cleaning
system
Optimized for chemical syntheses and IGCC with CO2 capture
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Siemens Fuel Gasification Technology Highlights
SFG-500 Standard Design (Cooling Screen)
Dry feeding
Fuel
Oxygen, steam
Pressurized
water inlet
Pressurized water
outlet
Burner
High efficiency
High carbon conversion rate (> 98 %)
Cooling screen
Short start-up / shut-down
Cooling
screen
Reactor
1300 to
1800°C
Low maintenance
High availability
Full quench
Quench
water
Simple and reliable
Ideal for CO sour shift
Quench
Gas outlet
Multi-fuel gasifier
Accepts a wide variety of fuels
(e.g., bituminous & sub-bituminous coal,
lignite, biomass, liquid wastes, petcoke and
vacuum residues)
Granulated slag
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Tar free raw gas
Copyright © Siemens Energy, Inc. 2008. All rights reserved.
Siemens Fuel Gasification Technology Highlights
Unique Cooling Screen Technology
Tube 3.5 mm
1000
T[°C]
500
Pipe coil
with studs
= 8 1 W/mK
Water
Ramming
mass
= 50 W/mK
1500
5.5 mm
Solid
slag
Pressurized
water
= 8 W/mK
Membrane
wall
SiC 13 mm
Liquid
slag
Advantages
Enables reduced reactor
dimensions
Leads to higher availability
Self protecting
Self-renewal of protection layer
250
70
Tube
0
Ramming Mass
5
10
15
Slag
20
25
[s/mm]
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Copyright © Siemens Energy, Inc. 2008. All rights reserved.
Siemens Fuel Gasification Technology Highlights
Refractory Lined Gasifier Design
Burner insert
Liquid feeding
High efficiency
C ooling w all
High carbon conversion rate (> 98 %)
R efractory
lining
Refractory lined
SiC layer
C ooling w ater
C ooled
reactor outlet
Accommodates low ash feedstocks
Q uench w ater
Full quench
Total quench
Simple and reliable
G as outlet
Ideal for CO sour shift
Multi-fuel gasifier
Accepts a variety of low-ash fuels
(e.g., tars, oils, and other liquid wastes)
Tar free raw gas
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Copyright © Siemens Energy, Inc. 2008. All rights reserved.
An
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Pe acit
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Siemens Gasification Test Facility
Gasifier reactor with cooling screen,
3-5 MW, max. 30 bar
Different fuel feeding systems (300 kg/h)
- Pulverized fuel dosing & feeding system
- Slurry feeding
Full gas treatment
- Desulphurization unit (Sulferox)
- COS hydrolysis
- HCN hydrolysis
Waste water treatment
Carbon content Cdaf [wt.-%]
95
90
52
51 41
27
85
80
21 26
28
24 23 29
22
25
75
13
12
15
02
14 01
04
70
65
11
60
55
03
10 20 30 40 50 60 70
0
Volatile matter content Vdaf [wt.-%]
Over 60 feedstocks tested in over 100 tests
provides valuable design data for better FEEDs
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Siemens Gasification Test Facility
Gasification Test Results
Recent Feedstocks Tested:
Bituminous Coal
PRB
Lignite
Petcoke
Biomass
Pyrolyosis oil
Information Generated:
Syngas Compositions
Carbon Conversion Rates
Specific O2 Consumption
Optimized Gasification Temperatures
Slag Composition
Waste Water and Soot Compositions
Results used for:
Research and development
Project development support
Design input
Permitting support
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Siemens 5 MWth Gasifier
Coal
Slag
Copyright © Siemens Energy, Inc. 2008. All rights reserved.
Next Steps
R&D Focus Areas
60 Hz Gas Turbines
Gasifier Scale-up
Partial quench with heat
recovery for IGCC applications
Biomass feedstocks
F Class
Advanced
H2 Turbine
50 Hz Gas Turbines
E Class
F Class
Objective is to improve
plant economics for a
range of application
Chemicals
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Liquids
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Siemens OEM Services for IGCC
and Gasification Islands
Expanded
Scope / Risk
Transactional
Performance
Driven
Increasing Scope / Benefit
Transitional
O&M
Siemens I &C,
Gasifier &
CT, ST Gen Parts
And Service
O&M
(Operations and
Maintenance)
Full Scope
Maintenance
Diagnostic Services
Gasifier & I&C,
CT, ST, Gen Programs
Training/Simulator
TFA
(Technical Field Assistance)
Increasing Value / Complexity / Commitment / Goal Alignment
Active involvement by OEM after the commercial operation date can help
improve plant availability and reliability in the early years of operation
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Conclusions
Global demand for gasification is still strong
Chemicals / SNG
Transportation liquids
IGCC + CCS
Regardless of the applications customers are requiring
High availability
Fuel flexibility
Optimization for CO2 capture
OEM business model well accepted in market
Siemens is leveraging its 150 years of OEM and
45+ years of IGCC and gasification know-how to develop
gasification based solutions for tomorrow
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Disclaimer
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Copyright © Siemens Energy, Inc. 2008. All rights reserved.
