EP2138765A3 - Burner with center air jet - Google Patents

Burner with center air jet Download PDF

Info

Publication number
EP2138765A3
EP2138765A3 EP09170949A EP09170949A EP2138765A3 EP 2138765 A3 EP2138765 A3 EP 2138765A3 EP 09170949 A EP09170949 A EP 09170949A EP 09170949 A EP09170949 A EP 09170949A EP 2138765 A3 EP2138765 A3 EP 2138765A3
Authority
EP
European Patent Office
Prior art keywords
burner
air jet
center air
new
center
Prior art date
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.)
Granted
Application number
EP09170949A
Other languages
German (de)
French (fr)
Other versions
EP2138765A2 (en
EP2138765B1 (en
Inventor
Albert D. Larue
William J. Kahle
Alan N. Sayre
Sarv Hamid
Daniel R. Rowley
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.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox Co
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.)
Filing date
Publication date
Application filed by Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Priority to DK09170949.3T priority Critical patent/DK2138765T3/en
Priority to EP09170949.3A priority patent/EP2138765B1/en
Priority to PL09170949.3T priority patent/PL2138765T3/en
Publication of EP2138765A2 publication Critical patent/EP2138765A2/en
Publication of EP2138765A3 publication Critical patent/EP2138765A3/en
Application granted granted Critical
Publication of EP2138765B1 publication Critical patent/EP2138765B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F23D1/02—Vortex burners, e.g. for cyclone-type combustion apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Pre-Mixing And Non-Premixing Gas Burner (AREA)

Abstract

A new burner apparatus and method of combusting fossils fuels for commercial and industrial application is provided wherein the new burner apparatus achieves low NOx emissions by supplying oxygen to the center of the burner flame in as manners so as to create a fuel rich Internal combustion zone within the burner flame.
EP09170949.3A 2006-08-16 2006-08-16 Method of combustion Active EP2138765B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK09170949.3T DK2138765T3 (en) 2006-08-16 2006-08-16 Method of combustion
EP09170949.3A EP2138765B1 (en) 2006-08-16 2006-08-16 Method of combustion
PL09170949.3T PL2138765T3 (en) 2006-08-16 2006-08-16 Method of combustion

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09170949.3A EP2138765B1 (en) 2006-08-16 2006-08-16 Method of combustion
EP06254290A EP1892470B8 (en) 2006-08-16 2006-08-16 Method of Reducing NOx Emissions in a Pulverized Coal Burner

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP06254290.7 Division 2006-08-16
EP06254290A Division EP1892470B8 (en) 2006-08-16 2006-08-16 Method of Reducing NOx Emissions in a Pulverized Coal Burner

Publications (3)

Publication Number Publication Date
EP2138765A2 EP2138765A2 (en) 2009-12-30
EP2138765A3 true EP2138765A3 (en) 2010-09-22
EP2138765B1 EP2138765B1 (en) 2016-03-30

Family

ID=37564416

Family Applications (3)

Application Number Title Priority Date Filing Date
EP09170949.3A Active EP2138765B1 (en) 2006-08-16 2006-08-16 Method of combustion
EP09151678.1A Active EP2051005B1 (en) 2006-08-16 2006-08-16 Burner with center air jet
EP06254290A Active EP1892470B8 (en) 2006-08-16 2006-08-16 Method of Reducing NOx Emissions in a Pulverized Coal Burner

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP09151678.1A Active EP2051005B1 (en) 2006-08-16 2006-08-16 Burner with center air jet
EP06254290A Active EP1892470B8 (en) 2006-08-16 2006-08-16 Method of Reducing NOx Emissions in a Pulverized Coal Burner

Country Status (6)

Country Link
EP (3) EP2138765B1 (en)
AT (1) ATE497126T1 (en)
DE (1) DE602006019860D1 (en)
DK (2) DK1892470T3 (en)
ES (3) ES2576008T3 (en)
PL (3) PL2138765T3 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3535873A1 (en) * 1985-10-08 1987-04-09 Theo Dipl Ing Burkard Process for low-NOx combustion by means of a free-radical-forming medium
US5231937A (en) * 1990-03-07 1993-08-03 Hitachi, Ltd. Pulverized coal burner, pulverized coal boiler and method of burning pulverized coal
EP1306614A1 (en) * 2000-08-04 2003-05-02 Babcock-Hitachi Kabushiki Kaisha Solid fuel burner and combustion method using solid fuel burner

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2933060B1 (en) * 1979-08-16 1980-10-30 Steinmueller Gmbh L & C Burner for burning dusty fuels
US4924784A (en) * 1984-02-27 1990-05-15 International Coal Refining Company Firing of pulverized solvent refined coal
US5199355A (en) 1991-08-23 1993-04-06 The Babcock & Wilcox Company Low nox short flame burner
DE4325643A1 (en) * 1993-07-30 1995-02-02 Lentjes Kraftwerkstechnik Burners for burning dusty fuel
US5697306A (en) 1997-01-28 1997-12-16 The Babcock & Wilcox Company Low NOx short flame burner with control of primary air/fuel ratio for NOx reduction
ATE365891T1 (en) * 2001-01-18 2007-07-15 Alstom Power Boiler Gmbh BURNER FOR COMBUSTING DUSTY FUEL
PL212230B1 (en) * 2002-05-15 2012-08-31 Praxair Technology Inc Low nox combustion

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3535873A1 (en) * 1985-10-08 1987-04-09 Theo Dipl Ing Burkard Process for low-NOx combustion by means of a free-radical-forming medium
US5231937A (en) * 1990-03-07 1993-08-03 Hitachi, Ltd. Pulverized coal burner, pulverized coal boiler and method of burning pulverized coal
EP1306614A1 (en) * 2000-08-04 2003-05-02 Babcock-Hitachi Kabushiki Kaisha Solid fuel burner and combustion method using solid fuel burner

Also Published As

Publication number Publication date
ES2576008T3 (en) 2016-07-04
DE602006019860D1 (en) 2011-03-10
ES2358273T3 (en) 2011-05-09
EP1892470A1 (en) 2008-02-27
EP2138765A2 (en) 2009-12-30
EP2051005B1 (en) 2017-06-14
PL1892470T3 (en) 2011-07-29
EP1892470B8 (en) 2011-03-09
EP2138765B1 (en) 2016-03-30
ATE497126T1 (en) 2011-02-15
EP1892470B1 (en) 2011-01-26
PL2051005T3 (en) 2017-10-31
PL2138765T3 (en) 2016-09-30
DK1892470T3 (en) 2011-03-21
DK2138765T3 (en) 2016-07-25
EP2051005A3 (en) 2010-06-09
ES2636594T3 (en) 2017-10-06
EP2051005A2 (en) 2009-04-22

Similar Documents

Publication Publication Date Title
WO2007103718A3 (en) Industrial burner
EP2110604A3 (en) Oxy-combustion coal fired boiler and method of transitioning between air and oxygen firing
NO20063762L (en) Burner with mid air jet
EP1985926A3 (en) Combustion equipment and combustion method
WO2009154665A3 (en) Fuel injector for low nox furnace
EP2309189A3 (en) Low NOx combustor for hydrogen-containing fuel and its operation
EA200971043A1 (en) MIXED TYPE SPRAYER WITH LOW CONTENT OF NITROGEN OXIDES NOx
EP2148137A3 (en) Burner apparatus and methods
EP1777459A3 (en) Combustor for gas turbine
EP2623862A3 (en) Solid-fuel- fired burner and solid-fuel-fired boiler
ATE345439T1 (en) METHOD FOR CONTROLLING THE FUEL AND AIR SUPPLY TO A BURNER OF A THERMOCYCLE ENGINE
EP2182279A3 (en) Oxyfuel boiler system and method of controlling the same
WO2005114055A3 (en) Combustion apparatus for high velocity thermal spraying
WO2007034107A3 (en) Method for producing synthetic gas using an oxygen-containing gas produced by at least one gas turbine
WO2009090368A3 (en) Reducing co2 emissions from oilfield diesel engines
WO2010125396A3 (en) Apparatus and method for controlling a multi-fuel engine
WO2007081518A3 (en) A method of controlling combustion in an hcci engine
WO2009136366A3 (en) Device and method of combusting solid fuel with oxygen
EP2071234A3 (en) Direct injection method and apparatus for low NOx combustion of high hydrogen fuels
EA200971125A1 (en) Weakened burn
EP2138765A3 (en) Burner with center air jet
KR200398720Y1 (en) Browngas blend engine
EP2065570A3 (en) Burner for generating reductive atmosphere of exhaust gas in engine cogeneration plant having denitrification process
KR101239981B1 (en) Homogeneous charged compressed ignition engine and method using brown gas
CN200972123Y (en) Mixing device for burner

Legal Events

Date Code Title Description
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

AC Divisional application: reference to earlier application

Ref document number: 1892470

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

17P Request for examination filed

Effective date: 20110322

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BABCOCK & WILCOX POWER GENERATION GROUP, INC.

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20151002

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: THE BABCOCK & WILCOX COMPANY

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AC Divisional application: reference to earlier application

Ref document number: 1892470

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 785814

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160415

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602006048491

Country of ref document: DE

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2576008

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20160704

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

Ref country code: DK

Ref legal event code: T3

Effective date: 20160714

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160701

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160330

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160330

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160330

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160730

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160330

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160330

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160801

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160330

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160831

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602006048491

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20170103

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160330

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160831

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160330

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160816

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160816

REG Reference to a national code

Ref country code: AT

Ref legal event code: UEP

Ref document number: 785814

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160330

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20060816

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160330

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160330

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20190828

Year of fee payment: 14

Ref country code: DK

Payment date: 20190828

Year of fee payment: 14

Ref country code: IT

Payment date: 20190826

Year of fee payment: 14

Ref country code: FR

Payment date: 20190826

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20190801

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20200826

Year of fee payment: 15

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 602006048491

Country of ref document: DE

Representative=s name: D YOUNG & CO LLP, DE

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CZ

Payment date: 20200806

Year of fee payment: 15

Ref country code: GB

Payment date: 20200827

Year of fee payment: 15

Ref country code: ES

Payment date: 20200901

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20200827

Year of fee payment: 15

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602006048491

Country of ref document: DE

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

Effective date: 20200831

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 785814

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200816

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200816

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210302

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200816

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200831

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

REG Reference to a national code

Ref country code: NL

Ref legal event code: MM

Effective date: 20210901

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20210816

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210817

Ref country code: CZ

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210816

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210901

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210816

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20220930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210817

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20220811

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: PL

Payment date: 20230804

Year of fee payment: 18