„Heat and Power Generation
With Renewable Energy“,
Dublin
17 – 19 May 2011
Experience in Europe with small-scale industrial steam
turbines in decentralised power plants
Mr. Christoph Frey
Development of
Siemens Turbomachinery Equipment GmbH
 Foundation of
 Sale of
AG KK&K by
turbocharger
merging three
division to a
family-owned
subsidiary of
businesses and
BorgWarner
going public
shortly thereafter
 Acquisition of
HV-Turbo from
NTR-Holding
2003
1999
 German Equity
Partners Funds and
management acquire a
>95% stake in AG
KK&K from BorgWarner
2005
2006/2007
2000
1998
1899
1997

 BorgWarner
purchases a
63% stake in
AG KK&K
from Penske
Page 2
May 2011
 Acquisition of
Schiele-PGW
Turbomaschinen
from Deutsche
Steinzeug
Christoph Frey
 Acquisition of
Babcock
Borsig’s
TurboLufttechnik (TLT)
Siemens
Turbomachinery
Equipment GmbH
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
A Comprehensive Steam Turbine Portfolio



Page 3
May 2011
Christoph Frey
Siemens utility
steam turbines
200 to 1 900 MW
Siemens industrial
steam turbines
5 to 200 MW
Siemens
predesigned steam
turbines
45 kW to 10 MW
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
Customers and Applications
Our customers
Main applications
 Producer of Pumps, Compressors …
 IPP / Contracting / Engineering
 Energy-from-waste plants
 Utilities
 Smelters / Steel
 Wood / Paper
 Chemistry
 Petrochemistry / Refineries
 Food
 Sugar / Palmoil
 Ship / Offshore
 Waste-to-energy
 Mechanical Drives
 Biomass
 Cogen / CHP
 Heat-recovery
Page 4
May 2011
 Gas expansion
 Geothermal plants / ORC
Christoph Frey
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
Basic Technical Values
Live steam pressure:
3 – 131 bar_a
Live steam temperature:
dry sat. - 530°C
Exhaust steam pressure:
0.08 – 29 bar_a
Speed:
500 – 23 000 1/min
Power:
up to 10 000 kW
Page 5
May 2011
Christoph Frey
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
Operating Principle: Steam Flow
Steam flow: SST-060 (AFA / CFR / Condensing Module)
Page 6
May 2011
Christoph Frey
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
Pre-designed Steam Turbines
Product Lines
The STE Steam Turbines complete the
E O IP portfolio in the lower power range
from 45 kW up to 10 MW
SST-110
(TWIN)
up to 7 000 kW
SST-050
up to 2 000 kW
Page 7
May 2011
SST-060
(AFA, CFR)
up to 5 000 kW
Christoph Frey
G
SST-120
(TANDEM)
up to 10 000 kW
G
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
Products & Markets
Decentralised plants
 Increasing prices of fossil fuels
 Global warming
 Political pressure on use of renewable energy
 Increasing demand for electricity
 Unused energy sources
Benefits of decentralised plants
 Satisfy own demands for electricty and process steam
 Take advantage of own energy sources like heat, biomass or waste
 Fuel from own industrial plant or the immediate vicinity avoid transport cost and
logistic problems
 Independence of the national electricty grid
As a matter of fact the interest in such decentral power plants is increasing.
Page 8
May 2011
Christoph Frey
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
Products & Markets
Turbine requirements
 Easy integration in the plant and the process
 Operation with ordinary steam parameters / minimised peripheral equipment necessary
 Pre-tested and ready-for-use for short erection and commissioning time
 Low investment costs
 High reliability
 Simple operation which results in low personnel costs
 Low operating costs
 Design considers future duty changes
 Low revamp costs
Siemens pre-designed turbines in order to satisfy these criteria.
Page 9
May 2011
Christoph Frey
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
Products & markets
SST-110 (TWIN)
Live steam
Power
generation from
biomass
(Miscanthus) in
Great Britain
HP –
Turbine
SST-110
(TWIN-CA 36)
Operating data:
Page 10
Pressure
controlled
extraction
Live steam pressure:
Live steam temperature:
Condensing pressure:
Electrical output:
May 2011
41.0 bar a
450°C
0.1 bar a
2 650 kWe
Christoph Frey
LP –
Turbine
Condensation
system
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
Products & markets
SST-110 (TWIN)  example
Eccleshall Biomass Farming for energy is a proposal for a 2
megawatt power plant for the generation of electricity fuelled by
energy crops. This is enough to run 2000 average households.
The main fuel, miscanthus (pictured) will be grown locally offering
diversification opportunities and long term fuel supply contracts for up to
60 farms. A local Growers Group has already been established to coordinate fuel supply.
Miscanthus is a non-invasive, sterile, perennial grass grown and
harvested on local farms within a 25 mile radius of the plant.
The Biomass Power Plant is designed to ensure there will be no
additional noise nuisance above existing background noise during 24
hour operation.
Emissions have been voluntarily set to a higher standard than the
regulatory requirements for air quality. There will be no visible steam
pump or odour emitted from the stack and performance will be
monitored by Stafford Borough Council.
The plant saves 1 tonne per hour of CO2 which would be emitted
generating electricity from fossil fuel.
Page 11
May 2011
Christoph Frey
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
New development: SST-040 MINI-TURBINE as generator-drive
Power output:
75 – 300 kW
Inlet pressure:
4 – 40 bar (a)
Inlet temperature: dry sat. up to 400°C
Exhaust pressure: 0,2 – 7 bar (a)
Applications:
Heath recovery
Small CHP plants
Solar Thermal plants
Features:
Low-maintenance
Extremly failure safe
Compact design
Quick-start compatible
Short delivery time
Dimensions:
Page 12
May 2011
Christoph Frey
Length 2,5 m
Width 1,9 m
Height 2,0 m
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
Features of the Pre-designed – Steam Turbines
• Backpressure or condensing type
• Package unit design
• Oil unit integrated in base frame
• Nozzle group control valves available
• Optimized part load behavior
• Quick-start without pre-heating
• Tailor made
• ATEX version available
• Suitable for gas expansion
• Extremly robust design especially with high wetness in exhaust or uncleaned steam
• fast reparing
• Meet requirements of API 611 / 612*
*if overhung design and integral gear is accepted
• vertical / horizontal assembly
• Suitable for ORC (Organic Rankine Cycle)
Page 13
May 2011
Christoph Frey
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
Thank you for your attention!
Page 14
May 2011
Christoph Frey
Copyright © Siemens AG 2011. All rights reserved.
Energy Sector
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