EP2457025A4 - Methods and systems for improving combustion processes - Google Patents

Methods and systems for improving combustion processes

Info

Publication number: EP2457025A4
Authority: EP; European Patent Office
Prior art keywords: systems; methods; combustion processes; improving combustion; improving
Prior art date: 2009-07-24
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP10802785.5A

Other languages

German (de)

French (fr)

Other versions

EP2457025A2 (en

Inventor

Brian S Higgins

J David Martin

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nalco Mobotec LLC

Original Assignee

Nalco Mobotec LLC

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2009-07-24

Filing date

2010-07-20

Publication date

2015-07-08

2010-07-20 Application filed by Nalco Mobotec LLC filed Critical Nalco Mobotec LLC

2012-05-30 Publication of EP2457025A2 publication Critical patent/EP2457025A2/en

2015-07-08 Publication of EP2457025A4 publication Critical patent/EP2457025A4/en

Status Withdrawn legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
- F23L9/04—Passages or apertures for delivering secondary air for completing combustion of fuel by discharging the air beyond the fire, i.e. nearer the smoke outlet
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J7/00—Arrangement of devices for supplying chemicals to fire
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J9/00—Preventing premature solidification of molten combustion residues
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/00001—Treating oxidant before combustion, e.g. by adding a catalyst

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Air Supply (AREA)

EP10802785.5A 2009-07-24 2010-07-20 Methods and systems for improving combustion processes Withdrawn EP2457025A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US12/509,036 US20110017110A1 (en)	2009-07-24	2009-07-24	Methods and systems for improving combustion processes
PCT/US2010/042627 WO2011011428A2 (en)	2009-07-24	2010-07-20	Methods and systems for improving combustion processes

Publications (2)

Publication Number	Publication Date
EP2457025A2 EP2457025A2 (en)	2012-05-30
EP2457025A4 true EP2457025A4 (en)	2015-07-08

Family

ID=43496164

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP10802785.5A Withdrawn EP2457025A4 (en)	2009-07-24	2010-07-20	Methods and systems for improving combustion processes

Country Status (5)

Country	Link
US (1)	US20110017110A1 (en)
EP (1)	EP2457025A4 (en)
CN (1)	CN102483234A (en)
CA (1)	CA2783884C (en)
WO (1)	WO2011011428A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102010033307A1 (en) *	2010-08-04	2012-02-09	Clyde Bergemann Drycon Gmbh	Apparatus and method for post-burning hot material on a conveyor
DE102013011149A1 (en) *	2013-01-28	2014-07-31	Martin GmbH für Umwelt- und Energietechnik	Measuring apparatus, method for inspecting plaque deposits on a plaque probe, incinerator and method of operating such an incinerator
JP6508515B2 (en) *	2015-02-20	2019-05-08	三浦工業株式会社	boiler

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1854868A1 (en) *	2005-11-30	2007-11-14	General Electric Company	System and method for decreasing a rate of slag formation at predetermined locations in a boiler system
US7374735B2 (en) *	2003-06-05	2008-05-20	General Electric Company	Method for nitrogen oxide reduction in flue gas

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US5809910A (en) *	1992-05-18	1998-09-22	Svendssen; Allan	Reduction and admixture method in incineration unit for reduction of contaminants
CN1049964C (en) *	1992-06-24	2000-03-01	哈尔滨工业大学	Concentrated coal-ash burner
US5315939A (en) *	1993-05-13	1994-05-31	Combustion Engineering, Inc.	Integrated low NOx tangential firing system
US5740745A (en) *	1996-09-20	1998-04-21	Nalco Fuel Tech	Process for increasing the effectiveness of slag control chemicals for black liquor recovery and other combustion units
US6729248B2 (en) *	2000-06-26	2004-05-04	Ada Environmental Solutions, Llc	Low sulfur coal additive for improved furnace operation
SE520927C2 (en) *	2001-01-26	2003-09-16	Vattenfall Ab	Method of operation of a heat-producing plant for combustion of chlorine-containing fuels
US7335014B2 (en) *	2003-06-12	2008-02-26	Mobotec Usa, Inc.	Combustion NOx reduction method
US6988454B2 (en) *	2003-09-09	2006-01-24	Advanced Combustion Technology	Method and apparatus for adding reducing agent to secondary overfire air stream
DE10347340A1 (en) *	2003-10-11	2005-05-19	Forschungszentrum Karlsruhe Gmbh	Apparatus and method for optimizing exhaust burnout in incinerators
US7162960B2 (en) *	2004-01-08	2007-01-16	Fuel Tech, Inc.	Process for reducing plume opacity
ES2527422T3 (en) *	2005-02-04	2015-01-23	Fuel Tech, Inc.	Directed duct injection for SO3 control
KR101110485B1 (en) *	2005-05-17	2012-01-31	퓨얼 테크 인코포레이티드	Process for corrosion control in boilers
WO2007092706A2 (en) *	2006-02-07	2007-08-16	Bert Zauderer	Improving combustion efficiency in coal fired boilers
US7865271B2 (en) *	2006-11-02	2011-01-04	General Electric Company	Methods and systems to increase efficiency and reduce fouling in coal-fired power plants
CN101050854B (en) *	2007-05-18	2010-05-26	哈尔滨工业大学	W-shape flame boiler for preventing side wall water cooling wall slagging scorification
US20090056600A1 (en) *	2007-08-30	2009-03-05	Suncue Company Ltd	Furnace
CN100557307C (en) *	2008-09-04	2009-11-04	哈尔滨工业大学	A kind of W type flame boiler local ventilation side-proof wall and wing wall water-cooled wall slagging apparatus

2009
- 2009-07-24 US US12/509,036 patent/US20110017110A1/en not_active Abandoned
2010
- 2010-07-20 CN CN2010800392794A patent/CN102483234A/en active Pending
- 2010-07-20 CA CA2783884A patent/CA2783884C/en active Active
- 2010-07-20 WO PCT/US2010/042627 patent/WO2011011428A2/en active Application Filing
- 2010-07-20 EP EP10802785.5A patent/EP2457025A4/en not_active Withdrawn

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7374735B2 (en) *	2003-06-05	2008-05-20	General Electric Company	Method for nitrogen oxide reduction in flue gas
EP1854868A1 (en) *	2005-11-30	2007-11-14	General Electric Company	System and method for decreasing a rate of slag formation at predetermined locations in a boiler system

Also Published As

Publication number	Publication date
WO2011011428A3 (en)	2011-04-28
WO2011011428A2 (en)	2011-01-27
CN102483234A (en)	2012-05-30
CA2783884C (en)	2014-11-25
EP2457025A2 (en)	2012-05-30
US20110017110A1 (en)	2011-01-27
CA2783884A1 (en)	2011-01-27

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Legal Events

Date	Code	Title	Description
2012-04-27	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2012-05-30	17P	Request for examination filed	Effective date: 20120124
2012-05-30	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AL 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 SM TR
2012-10-31	DAX	Request for extension of the european patent (deleted)
2015-03-11	RIC1	Information provided on ipc code assigned before grant	Ipc: F23N 3/00 20060101AFI20150130BHEP Ipc: F23N 5/18 20060101ALI20150130BHEP
2015-07-08	A4	Supplementary search report drawn up and despatched	Effective date: 20150605
2015-07-08	RIC1	Information provided on ipc code assigned before grant	Ipc: F23N 5/18 20060101ALI20150529BHEP Ipc: F23N 3/00 20060101AFI20150529BHEP
2016-07-06	17Q	First examination report despatched	Effective date: 20160602
2017-12-29	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2018-01-31	18D	Application deemed to be withdrawn	Effective date: 20170829