EP 2260236 A2 20101215 - COAL-FIRED POWER STATION AND METHOD FOR OPERATING THE COAL-FIRED POWER STATION
Title (en)
COAL-FIRED POWER STATION AND METHOD FOR OPERATING THE COAL-FIRED POWER STATION
Title (de)
KOHLEKRAFTWERK UND VERFAHREN ZUM BETRIEB DES KOHLEKRAFTWERKES
Title (fr)
CENTRALE AU CHARBON ET PROCÉDÉ D'EXPLOITATION DE LA CENTRALE AU CHARBON
Publication
Application
Priority
- EP 2009000925 W 20090210
- DE 102008009129 A 20080214
Abstract (en)
[origin: CA2715625A1] In a method for operating and controlling/regulating a power station comprising a coal-fired steam generator (11), the steam generator (11) of which is rated for the steam parameters achievable by the heat transfer onto the steam mass flow upon coal firing in the steam generator (11) carried out using combustion air, a solution is to be created, which enables the operation of coal-fired power stations rated for air operation utilizing a firing of the fuel carried out according to the oxy-fuel process in the firing chamber of the steam generator of the coal-fired power station. This is achieved in that a firing of the fuel containing coal is carried out in the steam generator (11) according to the oxy-fuel process utilizing approximately pure oxygen containing more than 95% by volume, and recirculated flue gas containing a high amount of CO2, such that the mass flows of all fuel flows supplied to the coal-fired burners (10) and to the steam generator (11), and the combustion gas, carrier gas, and process gas flows from the combustion oxygen and/or recirculated flue gas are configured and adjusted to each other with respect to the respective composition ratio thereof of oxygen and/or flue gas such that the heat transfer occurring in the steam generator by means of flame radiation, gas radiation, and convection onto the steam mass flow is maintained equal overall in the steam/water cycle as compared to air combustion, in particular, that the same steam parameters are obtained.
IPC 8 full level
F22B 1/18 (2006.01)
CPC (source: EP US)
F22B 1/18 (2013.01 - EP US); F23C 9/003 (2013.01 - EP US); F23J 15/006 (2013.01 - EP US); F23L 7/007 (2013.01 - EP US); F23L 2900/07007 (2013.01 - EP US); Y02E 20/32 (2013.01 - EP); Y02E 20/34 (2013.01 - EP US)
Citation (search report)
See references of WO 2009100881A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
DE 102008009129 A1 20090820; AU 2009214317 A1 20090820; CA 2715625 A1 20090820; EP 2260236 A2 20101215; US 2011014578 A1 20110120; WO 2009100881 A2 20090820; WO 2009100881 A3 20100715; WO 2009100881 A4 20100910
DOCDB simple family (application)
DE 102008009129 A 20080214; AU 2009214317 A 20090210; CA 2715625 A 20090210; EP 09710549 A 20090210; EP 2009000925 W 20090210; US 86433609 A 20090210