Technical DaTasheeT

PULVERIsED COAL BOILERTOWeR TYPe BOileRs

Design Features

Tangential Firing systemexcellent fuel/air mixing:

Wider tolerance to fuel fluctuations -low nOx emissions at high combustion efficiency:

advanced burner design and fuel/air staging -efficient use of furnace volume -

low slagging tendency:Reduced cleaning requirements -Maximum sustained efficiency -

Tilting Burners ability to control reheat temperature over a wide load rangeno spray attemperation for reheat temperature control:

higher efficiency -highest cycle efficiency over widest load range

steam Conditionssubcriticalsupercritical Ultra-supercritical

Fuel Capabilitiesall types of fuel: coals (anthracite, bituminous, sub-bituminous, lignite); co-firing of coal waste, sludge and industrial waste, oil refining waste and biomass; oil (crude, heavy residual, others); gases (natural gas, others)More than 20 years experience with co-firing of biomass and waste-to-energy fuels.Over 80 years experience with burning a wide variety of lignites

Customer Benefits

high efficiency with low emissions and highly reliable operationOutstanding operational flexibilityexpertise & world class products for a broad fuel spectrumFull portfolio of services for the complete plant lifecycle

POWER

Design Features at-a-Glance

Tangential firing system Fuel and air stagingTilting burnersUp to ultra-supercritical steam conditionsexpert firing system for lignites

Applications

Utility and independent Power Productioncombined heat and Power Productionindustrial

Technical Specifications

Boiler Type: Tower

size: Up to 1200 MWe*

superheater outlet steam pressure**: Up to 285 bar [4134 psi]

superheater steam temperature: Up to 605 c [1121 F]

Reheater steam temperature: Up to 621 c [1150 F]

* subcritical up to 800 MWe** Operating Data

PWER/BPROs/VBWTPs10/eng/BOIL/04.10/CH/7150 ALSTOM 2010. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is provided without liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.

Technical DaTasheeT

POWER

Project Features

customer: enBW Kraftwerke aGType of Power Plant: Ultra-supercritical steam Power

PlantFuel: Bituminous coalalstom scope: Power Block

Date of commercial Operation:

2012

Project Features

customer: skoda Praha invest s.r.o.Type of Power Plant: Ultra-supercritical steam Power

PlantFuel: lignitealstom scope: supercritical Pulverised coal

Tower Type BoilerDate of commercial Operation:

2012

Scope of Offering

Alstom offersBoiler island Boiler, air preheater, fuel/firing system, coal feeders, pulverisers/mills, ash handling system, selective catalytic Reduction, Balance of Boiler and control systemsPower island Boiler island, Turbine/Generator island, air Quality control system (selective catalytic Reduction, Baghouse/electrostatic Precipitator, Flue Gas Desulphurisation) and integrated control systemFull turnkey power plant, with alstoms Plant integrator, through a unique combination of project management skills, engineering, procurement and construction capabilities, knowledge and excellence in component design and manufacturing to create real value for our customers throughout the complete life cycle of a power plant

Ledvice 5, Czech Republic660 MWe

*Photo courtesy of skoda Praha invest s.r.o

Karlsruhe 8, Germany 910 MWe

Alstom Boiler Business Experience

largest installed base, with approximately 30% of boilers installed and under construction worldwide using alstom technology, totalling 835 GWalstom has been providing utility boilers since the 1920sWorld leader in development of materials and standardsWorldwide manufacturing experience Optimised solution for every fuel Optimal heating surface design

Contacts

alsTOM Power systems Gmbhaugsburger strasse 71270329 stuttgart Germany Tel: +49 711 917 1269

Web: www.alstom.com/power

PWER/BPROs/VBWTPs10/eng/BOIL/04.10/CH/7150 ALSTOM 2010. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is provided without liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.