EP2642198A3 - Grate and method of burning a granular fuel material - Google Patents

Grate and method of burning a granular fuel material Download PDF

Info

Publication number
EP2642198A3
EP2642198A3 EP13159838.5A EP13159838A EP2642198A3 EP 2642198 A3 EP2642198 A3 EP 2642198A3 EP 13159838 A EP13159838 A EP 13159838A EP 2642198 A3 EP2642198 A3 EP 2642198A3
Authority
EP
European Patent Office
Prior art keywords
grate
char
fuel material
granular fuel
burning
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
EP13159838.5A
Other languages
German (de)
French (fr)
Other versions
EP2642198B1 (en
EP2642198A2 (en
Inventor
Markus Telian
Louis-Michel Malouin
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.)
BMA Tech Inc
Hoval AG
Original Assignee
BMA Tech Inc
Hoval AG
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 BMA Tech Inc, Hoval AG filed Critical BMA Tech Inc
Priority to EP18195524.6A priority Critical patent/EP3447375A1/en
Publication of EP2642198A2 publication Critical patent/EP2642198A2/en
Publication of EP2642198A3 publication Critical patent/EP2642198A3/en
Application granted granted Critical
Publication of EP2642198B1 publication Critical patent/EP2642198B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B10/00—Combustion apparatus characterised by the combination of two or more combustion chambers
    • F23B10/02—Combustion apparatus characterised by the combination of two or more combustion chambers including separate secondary combustion chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
    • F23B30/02—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B60/00—Combustion apparatus in which the fuel burns essentially without moving
    • F23B60/02—Combustion apparatus in which the fuel burns essentially without moving with combustion air supplied through a grate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B90/00—Combustion methods not related to a particular type of apparatus
    • F23B90/04—Combustion methods not related to a particular type of apparatus including secondary combustion
    • F23B90/06—Combustion methods not related to a particular type of apparatus including secondary combustion the primary combustion being a gasification or pyrolysis in a reductive atmosphere
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/002—Incineration of waste; Incinerator constructions; Details, accessories or control therefor characterised by their grates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/006—General arrangement of incineration plant, e.g. flow sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/442—Waste feed arrangements
    • F23G5/444—Waste feed arrangements for solid waste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J1/00—Removing ash, clinker, or slag from combustion chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H2900/00—Special features of combustion grates
    • F23H2900/09041—Vibrating grates for solid fuels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Solid-Fuel Combustion (AREA)
  • Incineration Of Waste (AREA)
  • Gasification And Melting Of Waste (AREA)

Abstract

The substantially horizontally-disposed grate is used for burning a granular fuel material, for instance a biomass material, to be fed onto a loading area of the grate while a primary air feed is coming from below the grate. The grate includes a perforated bed floor having a downwardly-sloping upper surface converging towards a discharge opening where char is concentrated as the granular fuel material is burned during operation. The grate also includes an elongated and bottom-perforated char-receiving conduit positioned immediately under the bed floor. The char-receiving conduit has an inlet end positioned under the discharge opening, and an outlet end that is opposite the inlet end. The char-receiving conduit downwardly slopes between the inlet end and the outlet end. A method of burning a granular fuel material is also disclosed. The proposed concept can increase the overall thermal efficiency of a heat generator and reduce gas and particle emissions in the atmosphere.
EP13159838.5A 2012-03-21 2013-03-19 Grate for burning a granular fuel material Not-in-force EP2642198B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18195524.6A EP3447375A1 (en) 2012-03-21 2013-03-19 Grate and method of burning a granular fuel material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2771112A CA2771112C (en) 2012-03-21 2012-03-21 Grate and method of burning a granular fuel material

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP18195524.6A Division EP3447375A1 (en) 2012-03-21 2013-03-19 Grate and method of burning a granular fuel material
EP18195524.6A Division-Into EP3447375A1 (en) 2012-03-21 2013-03-19 Grate and method of burning a granular fuel material

Publications (3)

Publication Number Publication Date
EP2642198A2 EP2642198A2 (en) 2013-09-25
EP2642198A3 true EP2642198A3 (en) 2016-06-22
EP2642198B1 EP2642198B1 (en) 2018-11-28

Family

ID=46179375

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13159838.5A Not-in-force EP2642198B1 (en) 2012-03-21 2013-03-19 Grate for burning a granular fuel material
EP18195524.6A Withdrawn EP3447375A1 (en) 2012-03-21 2013-03-19 Grate and method of burning a granular fuel material

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP18195524.6A Withdrawn EP3447375A1 (en) 2012-03-21 2013-03-19 Grate and method of burning a granular fuel material

Country Status (3)

Country Link
US (1) US20130247801A1 (en)
EP (2) EP2642198B1 (en)
CA (1) CA2771112C (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US169655A (en) * 1875-11-09 Improvement in grate-bars
CH166697A (en) * 1933-03-11 1934-01-31 Dansart Nicolas Device for removing ash from ovens and stoves.
US4932336A (en) * 1989-09-02 1990-06-12 Oschatz Gmbh Method of and apparatus for disposing of wastes from wastepaper recycling
WO2003025459A1 (en) * 2001-09-14 2003-03-27 Fls Miljø A/S A boiler and a process for the extraction of energy from a fuel
EP1319152B1 (en) * 2000-09-13 2005-03-02 Friedrich Ehgartner Fireplace
EP1559957A1 (en) * 2004-01-28 2005-08-03 Thermorossi S.P.A. Burner for stoves fired by pellets, woodchips, cereals and vegetables waste in general
WO2006008762A1 (en) * 2004-07-16 2006-01-26 Filippo Antonio Di Cecilia A pellet heat generator with production of hot water and air

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1505505A (en) * 1923-09-24 1924-08-19 John F O Stratton Furnace
US2157993A (en) * 1935-06-14 1939-05-09 Nichols Engineering And Res Co Incineration
US2366924A (en) * 1943-04-09 1945-01-09 Masters John Franklin Furnace grate structure
US2558626A (en) * 1945-12-29 1951-06-26 William F Pfau Movable grate structure and ash remover
US2883947A (en) * 1956-05-24 1959-04-28 Corey Ronald David Incinerator
IT1241408B (en) * 1990-03-02 1994-01-14 Mario Magaldi HEAVY ASH DISCHARGE SYSTEM FROM BOILERS FOR STEAM PRODUCTION

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US169655A (en) * 1875-11-09 Improvement in grate-bars
CH166697A (en) * 1933-03-11 1934-01-31 Dansart Nicolas Device for removing ash from ovens and stoves.
US4932336A (en) * 1989-09-02 1990-06-12 Oschatz Gmbh Method of and apparatus for disposing of wastes from wastepaper recycling
EP1319152B1 (en) * 2000-09-13 2005-03-02 Friedrich Ehgartner Fireplace
WO2003025459A1 (en) * 2001-09-14 2003-03-27 Fls Miljø A/S A boiler and a process for the extraction of energy from a fuel
EP1559957A1 (en) * 2004-01-28 2005-08-03 Thermorossi S.P.A. Burner for stoves fired by pellets, woodchips, cereals and vegetables waste in general
WO2006008762A1 (en) * 2004-07-16 2006-01-26 Filippo Antonio Di Cecilia A pellet heat generator with production of hot water and air

Also Published As

Publication number Publication date
EP3447375A1 (en) 2019-02-27
CA2771112A1 (en) 2012-05-15
CA2771112C (en) 2012-09-11
US20130247801A1 (en) 2013-09-26
EP2642198B1 (en) 2018-11-28
EP2642198A2 (en) 2013-09-25

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