Pulverised Coal Boiler - Tower Type Boilers0 pages

Technical Datasheet

PULVERIsED COAL BOILER
TOWER TYPE BOILERS

Technical Specifications

Design Features

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]

Tangential Firing System
•t Excellent fuel/air mixing:
--Wider tolerance to fuel fluctuations
•t Low NOx emissions at high combustion efficiency:
--Advanced burner design and fuel/air staging
--Efficient use of furnace volume
•t Low slagging tendency:
--Reduced cleaning requirements
--Maximum sustained efficiency
Tilting Burners
•t Ability to control reheat temperature over a wide load range
•t No spray attemperation for reheat temperature control:
--Higher efficiency
•t Highest cycle efficiency over widest load range
Steam Conditions
•t Subcritical
•t Supercritical
•t Ultra-supercritical

*tSubcritical up to 800 MWe
**tOperating Data

Design Features at-a-Glance
•t Tangential firing system
•t Fuel and air staging
•t Tilting burners
•t Up to ultra-supercritical steam conditions
•t Expert firing system for lignites

Fuel Capabilities
•t All 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)
•t More than 20 years experience with co-firing of biomass and
waste-to-energy fuels.
•t Over 80 years experience with burning a wide variety of lignites
Customer Benefits
•t High efficiency with low emissions and highly reliable
operation
•t Outstanding operational flexibility
•t Expertise & world class products for a broad fuel spectrum
•t Full portfolio of services for the complete plant lifecycle

Applications
•t Utility and Independent Power Production
•t Combined Heat and Power Production
•t Industrial
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.

POWER