EP0142437A3 - Method and device for reinjecting flyash particles into a boiler for solid fuel - Google Patents

Method and device for reinjecting flyash particles into a boiler for solid fuel Download PDF

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Publication number
EP0142437A3
EP0142437A3 EP84402258A EP84402258A EP0142437A3 EP 0142437 A3 EP0142437 A3 EP 0142437A3 EP 84402258 A EP84402258 A EP 84402258A EP 84402258 A EP84402258 A EP 84402258A EP 0142437 A3 EP0142437 A3 EP 0142437A3
Authority
EP
European Patent Office
Prior art keywords
reinjecting
boiler
solid fuel
flyash particles
flyash
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
EP84402258A
Other languages
French (fr)
Other versions
EP0142437B1 (en
EP0142437A2 (en
Inventor
Michel Couarc'h
Roger Bessouat
Marc Lafaye
Robert Bernet
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.)
Stein Industrie SA
Manutair Moller SA
Original Assignee
Stein Industrie SA
Manutair Moller SA
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
Priority claimed from FR8317811A external-priority patent/FR2554552B1/en
Priority claimed from FR8401774A external-priority patent/FR2559239B2/en
Application filed by Stein Industrie SA, Manutair Moller SA filed Critical Stein Industrie SA
Priority to AT84402258T priority Critical patent/ATE45025T1/en
Publication of EP0142437A2 publication Critical patent/EP0142437A2/en
Publication of EP0142437A3 publication Critical patent/EP0142437A3/en
Application granted granted Critical
Publication of EP0142437B1 publication Critical patent/EP0142437B1/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
    • F23J3/06—Systems for accumulating residues from different parts of furnace plant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B5/00—Combustion apparatus with arrangements for burning uncombusted material from primary combustion
    • F23B5/02—Combustion apparatus with arrangements for burning uncombusted material from primary combustion in main combustion chamber
EP84402258A 1983-11-09 1984-11-09 Method and device for reinjecting flyash particles into a boiler for solid fuel Expired EP0142437B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84402258T ATE45025T1 (en) 1983-11-09 1984-11-09 METHOD AND APPARATUS FOR RE-INJECTING FLY DUST INTO A SOLID FUEL BOILER.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8317811 1983-11-09
FR8317811A FR2554552B1 (en) 1983-11-09 1983-11-09 METHOD AND DEVICE FOR REINJECTING PARTICLES EMPLOYED IN A SOLID FUEL BOILER
FR8401774 1984-02-06
FR8401774A FR2559239B2 (en) 1984-02-06 1984-02-06 DEVICE FOR REINJECTING PARTICLES DELIVERED IN A SOLID FUEL BOILER

Publications (3)

Publication Number Publication Date
EP0142437A2 EP0142437A2 (en) 1985-05-22
EP0142437A3 true EP0142437A3 (en) 1985-09-18
EP0142437B1 EP0142437B1 (en) 1989-07-26

Family

ID=26223667

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84402258A Expired EP0142437B1 (en) 1983-11-09 1984-11-09 Method and device for reinjecting flyash particles into a boiler for solid fuel

Country Status (7)

Country Link
US (2) US4648329A (en)
EP (1) EP0142437B1 (en)
JP (1) JPH0739842B2 (en)
AU (1) AU577563B2 (en)
CA (1) CA1252356A (en)
DE (1) DE3479148D1 (en)
WO (1) WO1985002246A1 (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2595789B1 (en) * 1986-03-14 1989-06-16 Bekakis Basile METHOD AND DEVICE FOR REINJECTING SEPARATE PARTICLES IN A SOLID FUEL BOILER
JPH0729028B2 (en) * 1986-10-31 1995-04-05 バブコツク日立株式会社 Denitration treatment method
US4697530A (en) * 1986-12-23 1987-10-06 Dumont Holding Company Underfed stoker boiler for burning bituminous coal and other solid fuel particles
DE3724563A1 (en) * 1987-07-24 1989-02-02 Kernforschungsanlage Juelich METHOD FOR THERMALLY TREATING WASTE AND APPARATUS FOR CARRYING OUT THIS METHOD
US4905613A (en) * 1988-09-09 1990-03-06 Detroit Stoker Company Fuel feeder
US5030054A (en) * 1989-06-23 1991-07-09 Detroit Stoker Company Combination mechanical/pneumatic coal feeder
US4926764A (en) * 1989-08-17 1990-05-22 Den Broek Jos Van Sewage sludge treatment system
DE4132770A1 (en) * 1991-10-02 1993-04-08 Kurt Kugler Treatment of incinerator airborne ash and dust - comprises sepg. into coarse and fine fractions and removing heavy metals
US5239935A (en) * 1991-11-19 1993-08-31 Detroit Stoker Company Oscillating damper and air-swept distributor
US5484476A (en) * 1994-01-11 1996-01-16 Electric Power Research Institute, Inc. Method for preheating fly ash
IT1276747B1 (en) * 1995-06-19 1997-11-03 Magaldi Ricerche & Brevetti BULK MATERIALS EXTRACTOR / COOLER
US5655463A (en) * 1995-06-19 1997-08-12 Douglas Nagel Apparatus and method for burning waste material
US5937772A (en) * 1997-07-30 1999-08-17 Institute Of Gas Technology Reburn process
US7047894B2 (en) * 1999-11-02 2006-05-23 Consolidated Engineering Company, Inc. Method and apparatus for combustion of residual carbon in fly ash
AU2921101A (en) 1999-11-02 2001-05-14 Consolidated Engineering Company, Inc. Method and apparatus for combustion of residual carbon in fly ash
DE102004027563A1 (en) * 2004-06-04 2005-12-22 Joint Solar Silicon Gmbh & Co. Kg Silicon and process for its production
KR20120116992A (en) * 2004-06-28 2012-10-23 콘솔리데이티드 엔지니어링 캄파니, 인크. Method and apparatus for removal of flashing and blockages from a casting
US20070289713A1 (en) * 2006-06-15 2007-12-20 Crafton Scott P Methods and system for manufacturing castings utilizing an automated flexible manufacturing system
MY149927A (en) * 2006-12-07 2013-10-31 Waste2Energy Technologies Internat Ltd Batch waste gasification process
ITRM20070277A1 (en) * 2007-05-21 2008-11-22 Magaldi Ind Srl DRY EXTRACTION / COOLING SYSTEM OF ASTEROGUE OF HETEROGENEOUS MATERIALS WITH THE CONTROL OF THE RE-ENTRY OF AIR IN THE COMBUSTION CHAMBER.
LU91376B1 (en) * 2007-11-16 2009-05-18 Wurth Paul Sa Injections system for solid particles
PL383941A1 (en) * 2007-12-03 2009-06-08 Witold Kowalewski Stoker-fired boiler, the manner of modernization of a stoker-fired boiler and liquidation of harmful blow of air, which does not participate in combustion process in a stoker-fired boiler
DE102010033307A1 (en) * 2010-08-04 2012-02-09 Clyde Bergemann Drycon Gmbh Apparatus and method for post-burning hot material on a conveyor
CN102042585B (en) * 2011-01-25 2011-12-07 北京德普新源科技发展有限公司 Reburning and discharging device of slag and soot of biomass direct-fired power generation boiler
CN102829466B (en) * 2012-07-25 2015-04-01 北京国电富通科技发展有限责任公司 Slag combustion apparatus of biomass boiler
US9835326B2 (en) * 2014-01-27 2017-12-05 Valvexport, Inc. Automated biomass distribution system
US10125985B2 (en) * 2014-01-27 2018-11-13 Valvexport, Inc. Automated biomass distribution system
BE1025689B1 (en) * 2017-11-08 2019-06-11 Europem Technologies Nv System and method for heat recovery and cleaning of an exhaust gas from a combustion process

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499766A (en) * 1948-11-30 1950-03-07 Lester R Macleod Dust conveying
FR1065398A (en) * 1952-08-12 1954-05-24 C Ind Const Ltd B V Method and apparatus for pneumatic dedusting especially applicable to collecting hoppers of boilers running on solid or pulverized fuels
US2686499A (en) * 1946-10-14 1954-08-17 Babcock & Wilcox Co Fuel burning and fly ash collecting apparatus
DE935123C (en) * 1941-03-02 1955-11-10 Babcock & Wilcox Dampfkessel W Process for the pneumatic removal of the dust separated from gases in electrostatic precipitators
GB834052A (en) * 1957-05-31 1960-05-04 Elisabeth Constance Schmitt Method of and apparatus for conveying particulate material
DE974292C (en) * 1946-07-13 1960-11-17 Comb Engineering Traveling grate firing with a fly ash remover
US3053577A (en) * 1960-09-29 1962-09-11 Schick Engineering Company Materials conveying system
US3876121A (en) * 1970-07-13 1975-04-08 Preikschat F K Linear pinch valve
FR2334914A1 (en) * 1975-12-10 1977-07-08 Air Ind Smoke reduction system for furnace - has dust precipitator with precipitator and fluidised bed from which particles reenter furnace
FR2342927A1 (en) * 1976-03-04 1977-09-30 Toy Rene Metering feeder for granular material esp. cereal - into pneumatic conveyor to grinding mill producing animal feed compound
EP0059394A2 (en) * 1981-02-27 1982-09-08 Gustav König Pneumatic transporting plant
DE3248405A1 (en) * 1981-12-30 1983-07-28 Shell Internationale Research Maatschappij B.V., 2501 Den Haag METHOD AND DEVICE FOR REMOVING SOLID PARTICLES FROM A GAS

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT68438A (en) * 1977-08-19 1978-09-01 Flameless Furnaces Ltd Improvements in or relating to feed of material to fluidised beds
US4263857A (en) * 1979-01-05 1981-04-28 Dravo Corporation Traveling grate stoker for the combustion of difficultly ignited fuels
US4476790A (en) * 1979-04-23 1984-10-16 Combustion Engineering, Inc. Method of feeding particulate material to a fluidized bed
US4259911A (en) * 1979-06-21 1981-04-07 Combustion Engineering, Inc. Fluidized bed boiler feed system
US4355601A (en) * 1981-09-25 1982-10-26 Conoco Inc. Recirculating flue gas fluidized bed heater
FR2517025A1 (en) * 1981-11-25 1983-05-27 Fives Cail Babcock INSTALLATION OF SOLID FUEL BOILER
US4416418A (en) * 1982-03-05 1983-11-22 Goodstine Stephen L Fluidized bed residential heating system
US4446799A (en) * 1982-05-07 1984-05-08 Combustion Engineering, Inc. Fluidized bed fuel feed system
US4474119A (en) * 1982-12-27 1984-10-02 Combustion Engineering, Inc. Fine particulate feed system for fluidized bed furnace
US4434724A (en) * 1983-04-01 1984-03-06 Combustion Engineering, Inc. Overbed distributor for feeding dual solid fuels to a stoker furnace
US4481892A (en) * 1983-08-03 1984-11-13 Mah Clifford S Atmospheric fluidized bed combustor
DE3406200A1 (en) * 1984-02-21 1985-08-22 Deutsche Babcock Werke AG, 4200 Oberhausen STEAM GENERATOR WITH A STATIONARY FLUID BURN FIRING
US4532872A (en) * 1984-12-17 1985-08-06 Combustion Engineering, Inc. Char reinjection system for bark fired furnace

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE935123C (en) * 1941-03-02 1955-11-10 Babcock & Wilcox Dampfkessel W Process for the pneumatic removal of the dust separated from gases in electrostatic precipitators
DE974292C (en) * 1946-07-13 1960-11-17 Comb Engineering Traveling grate firing with a fly ash remover
US2686499A (en) * 1946-10-14 1954-08-17 Babcock & Wilcox Co Fuel burning and fly ash collecting apparatus
US2499766A (en) * 1948-11-30 1950-03-07 Lester R Macleod Dust conveying
FR1065398A (en) * 1952-08-12 1954-05-24 C Ind Const Ltd B V Method and apparatus for pneumatic dedusting especially applicable to collecting hoppers of boilers running on solid or pulverized fuels
GB834052A (en) * 1957-05-31 1960-05-04 Elisabeth Constance Schmitt Method of and apparatus for conveying particulate material
US3053577A (en) * 1960-09-29 1962-09-11 Schick Engineering Company Materials conveying system
US3876121A (en) * 1970-07-13 1975-04-08 Preikschat F K Linear pinch valve
FR2334914A1 (en) * 1975-12-10 1977-07-08 Air Ind Smoke reduction system for furnace - has dust precipitator with precipitator and fluidised bed from which particles reenter furnace
FR2342927A1 (en) * 1976-03-04 1977-09-30 Toy Rene Metering feeder for granular material esp. cereal - into pneumatic conveyor to grinding mill producing animal feed compound
EP0059394A2 (en) * 1981-02-27 1982-09-08 Gustav König Pneumatic transporting plant
DE3248405A1 (en) * 1981-12-30 1983-07-28 Shell Internationale Research Maatschappij B.V., 2501 Den Haag METHOD AND DEVICE FOR REMOVING SOLID PARTICLES FROM A GAS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
POWER, vol. 128, no. 7, juillet 1984, pages 127,128, New York, US; "Reinjection ups boiler performance" *

Also Published As

Publication number Publication date
WO1985002246A1 (en) 1985-05-23
AU3613784A (en) 1985-06-03
DE3479148D1 (en) 1989-08-31
US4648329A (en) 1987-03-10
AU577563B2 (en) 1988-09-29
EP0142437B1 (en) 1989-07-26
EP0142437A2 (en) 1985-05-22
JPS61500377A (en) 1986-03-06
JPH0739842B2 (en) 1995-05-01
CA1252356A (en) 1989-04-11
US4739715A (en) 1988-04-26

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