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Title: Apparatus and method of controlling the thermal performance of an oxygen-fired boiler

Disclosed herein is a method of controlling the operation of an oxy-fired boiler; the method comprising combusting a fuel in a boiler; producing a heat absorption pattern in the boiler; discharging flue gases from the boiler; recycling a portion of the flue gases to the boiler; combining a first oxidant stream with the recycled flue gases to form a combined stream; splitting the combined stream into several fractions; and introducing each fraction of the combined stream to the boiler at different points of entry to the boiler.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
1379206
Assignee:
GENERAL ELECTRIC TECHNOLOGY GMBH NETL
Patent Number(s):
9,752,773
Application Number:
13/298,147
Contract Number:
NT0005290
Resource Relation:
Patent File Date: 2011 Nov 16
Research Org:
GENERAL ELECTRIC TECHNOLOGY GMBH, Baden, CH (Switzerland)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
20 FOSSIL-FUELED POWER PLANTS

Other works cited in this record:

Method of Operating a Steam Generator
patent, April 1961

Steam generating system and method utilizing exhaust gas recirculation
patent, December 1975

Oxygen control system for oxygen enhanced combustion
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Process temperature control in oxy/fuel combustion system
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Minimization of NOx Emissions and carbon loss in solid fuel combustion
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Device And Method For Efficient Mixing Of Two Streams
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Process And Apparatus For The Separation Of A Gaseous Mixture
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Apparatus and Process for Oxycombustion with CO2 Capture
patent-application, October 2009

Method And Apparatus For Controlling Combustion In Oxygen Fired Boiler
patent-application, November 2009

Oxyfuel Boiler System and Method of Retrofit of Air Fired Boiler to Oxyfuel Boiler
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Convective Section Combustion
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Process Temperature Control In Oxy/Fuel Combustion System
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Method Of Combusting Sulfur-Containing Fuel
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Transient Operation Of Oxy/Fuel Combustion System
patent-application, April 2010

Oxyfuel Boiler System and Method of Controlling the Same
patent-application, May 2010

Method And Apparatus Of Controlling Exhaust Gas In Oxyfuel Combustion Boiler
patent-application, June 2011

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