EP0017721A3 - Low load coal bucket and method of operating a pulverised coal-fired furnace - Google Patents

Low load coal bucket and method of operating a pulverised coal-fired furnace Download PDF

Info

Publication number
EP0017721A3
EP0017721A3 EP80100740A EP80100740A EP0017721A3 EP 0017721 A3 EP0017721 A3 EP 0017721A3 EP 80100740 A EP80100740 A EP 80100740A EP 80100740 A EP80100740 A EP 80100740A EP 0017721 A3 EP0017721 A3 EP 0017721A3
Authority
EP
European Patent Office
Prior art keywords
coal
operating
low load
fired furnace
pulverised
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
EP80100740A
Other versions
EP0017721B1 (en
EP0017721A2 (en
EP0017721B2 (en
Inventor
Angelos Kokkinos
Michael Scott Mccartney
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.)
SOCIETE FRANCAISE DES TECHNIQUES LUMMUS
Original Assignee
Combustion Engineering Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26705135&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0017721(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US06/029,605 external-priority patent/US4252069A/en
Priority claimed from US06/029,606 external-priority patent/US4274343A/en
Application filed by Combustion Engineering Inc filed Critical Combustion Engineering Inc
Publication of EP0017721A2 publication Critical patent/EP0017721A2/en
Publication of EP0017721A3 publication Critical patent/EP0017721A3/en
Publication of EP0017721B1 publication Critical patent/EP0017721B1/en
Application granted granted Critical
Publication of EP0017721B2 publication Critical patent/EP0017721B2/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
    • F23C5/02—Structural details of mounting
    • F23C5/06—Provision for adjustment of burner position during operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/02—Disposition of air supply not passing through burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
    • F23D2201/10—Nozzle tips
    • F23D2201/101—Nozzle tips tiltable
EP19800100740 1979-04-13 1980-02-14 Low load coal bucket and method of operating a pulverised coal-fired furnace Expired EP0017721B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US29606 1979-04-13
US06/029,605 US4252069A (en) 1979-04-13 1979-04-13 Low load coal bucket
US06/029,606 US4274343A (en) 1979-04-13 1979-04-13 Low load coal nozzle
US29605 1979-04-13

Publications (4)

Publication Number Publication Date
EP0017721A2 EP0017721A2 (en) 1980-10-29
EP0017721A3 true EP0017721A3 (en) 1980-12-10
EP0017721B1 EP0017721B1 (en) 1983-07-20
EP0017721B2 EP0017721B2 (en) 1987-05-20

Family

ID=26705135

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19800100740 Expired EP0017721B2 (en) 1979-04-13 1980-02-14 Low load coal bucket and method of operating a pulverised coal-fired furnace

Country Status (5)

Country Link
EP (1) EP0017721B2 (en)
AU (1) AU530834B2 (en)
DE (1) DE3064180D1 (en)
ES (1) ES490436A0 (en)
IN (1) IN151051B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304196A (en) * 1979-10-17 1981-12-08 Combustion Engineering, Inc. Apparatus for tilting low load coal nozzle
US4425855A (en) * 1983-03-04 1984-01-17 Combustion Engineering, Inc. Secondary air control damper arrangement
GB9322016D0 (en) * 1993-10-26 1993-12-15 Rolls Royce Power Eng Improvements in or relating to solid fuel burners
CN104776428A (en) * 2015-04-04 2015-07-15 哈尔滨博深科技发展有限公司 Multi-bluff body air-coal separating pulverized coal combustion device
CN112178633A (en) * 2020-09-29 2021-01-05 湖北赤焰热能工程有限公司 Concentrated double-air-regulation cyclone burner and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608168A (en) * 1949-10-21 1952-08-26 Comb Eng Superheater Inc Dual nozzle burner for pulverized fuel
DE913092C (en) * 1951-04-06 1954-06-08 Kohlenscheidungs Ges Mit Besch Burner for coal dust or the like finely divided fuel
US3224419A (en) * 1961-12-13 1965-12-21 Combustion Eng Vapor generator with tangential firing arrangement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608168A (en) * 1949-10-21 1952-08-26 Comb Eng Superheater Inc Dual nozzle burner for pulverized fuel
DE913092C (en) * 1951-04-06 1954-06-08 Kohlenscheidungs Ges Mit Besch Burner for coal dust or the like finely divided fuel
US3224419A (en) * 1961-12-13 1965-12-21 Combustion Eng Vapor generator with tangential firing arrangement

Also Published As

Publication number Publication date
EP0017721B1 (en) 1983-07-20
DE3064180D1 (en) 1983-08-25
AU5738080A (en) 1980-10-16
EP0017721A2 (en) 1980-10-29
ES8103344A1 (en) 1981-02-16
IN151051B (en) 1983-02-12
ES490436A0 (en) 1981-02-16
EP0017721B2 (en) 1987-05-20
AU530834B2 (en) 1983-07-28

Similar Documents

Publication Publication Date Title
ZA853702B (en) Coal fired furnace light-off and stabilization using microfine pulverized coal
ZA802180B (en) Low load coal bucket
JPS5494126A (en) Pulverized coal furnace ignited in connecting direction
AU570249B2 (en) Pulverized coal burner
AU557888B2 (en) Combustion system utilizing a low load coal burner
JPS564693A (en) Reduction of sulfur and ash content of coal
DE3563651D1 (en) Low load burning burner
AU5918380A (en) Removing sulphur and ash from coal
GB2166156B (en) De-ashing coal
GB2119488B (en) Injecting pulverised fuel into a blast furnace
GB2074306B (en) Method for operating a coal dust furnace and a furnace for carrying out the method
ZA846299B (en) Combustion system and method for a coal-fired furnace utilizing a louvered low load separator-nozzle assembly and a separate high load nozzle
AU589558B2 (en) Improved splitter for use with a coal-fired furnace utilizing a low load burner
ZA80642B (en) Providing supplemental pulverized coal for load regain
AU500661B2 (en) Blast furnace cole from briquetted particulate coal
DE3064180D1 (en) Low load coal bucket and method of operating a pulverised coal-fired furnace
AU514397B2 (en) Reducing sulphur in particulate coal
JPS57161419A (en) Ignition of main dust coal combustor and combustor therefor
DE2960677D1 (en) Burner for pulverised coal
AU571695B2 (en) Hard burning of iron ore pellets on a travelling grate
GB2015491B (en) Desulphurization of coal and ores
ZA836331B (en) Combustion system and method for a coal-fired furnace utilizing a low load coal burner
AU574463B2 (en) Metallurgical furnace fired with pulverised fuel
JPS5673556A (en) Coal pulverizer utilizing kiln exhaust gas
KR870000588Y1 (en) Combustion bucket for coal briquette

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

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): BE DE FR GB IT SE

AK Designated contracting states

Designated state(s): BE DE FR GB IT SE

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

Owner name: SOCIETE FRANCAISE DES TECHNIQUES LUMMUS

17P Request for examination filed

Effective date: 19810123

ITF It: translation for a ep patent filed

Owner name: ING. ZINI MARANESI & C. S.R.L.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

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

Owner name: COMBUSTION ENGINEERING, INC.

AK Designated contracting states

Designated state(s): BE DE FR GB IT SE

REF Corresponds to:

Ref document number: 3064180

Country of ref document: DE

Date of ref document: 19830825

ET Fr: translation filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19840103

Year of fee payment: 5

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

26 Opposition filed

Opponent name: DEUTSCHE BABCOCK AKTIENGESELLSCHAFT

Effective date: 19840417

PUAH Patent maintained in amended form

Free format text: ORIGINAL CODE: 0009272

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

Free format text: STATUS: PATENT MAINTAINED AS AMENDED

ITF It: translation for a ep patent filed

Owner name: ING. ZINI MARANESI & C. S.R.L.

27A Patent maintained in amended form

Effective date: 19870520

AK Designated contracting states

Kind code of ref document: B2

Designated state(s): BE DE FR GB IT SE

ET3 Fr: translation filed ** decision concerning opposition
ET3 Fr: translation filed ** decision concerning opposition
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

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

Effective date: 19891027

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19941230

Year of fee payment: 16

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

Ref country code: DE

Payment date: 19941231

Year of fee payment: 16

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

Ref country code: SE

Payment date: 19950102

Year of fee payment: 16

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

Ref country code: BE

Payment date: 19950112

Year of fee payment: 16

EAL Se: european patent in force in sweden

Ref document number: 80100740.2

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

Ref country code: GB

Effective date: 19960214

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

Ref country code: SE

Effective date: 19960215

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

Ref country code: BE

Effective date: 19960228

BERE Be: lapsed

Owner name: COMBUSTION ENGINEERING INC.

Effective date: 19960228

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

Effective date: 19960214

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

Ref country code: DE

Effective date: 19961101