DK3076076T3 - Fremgangsmåde til styring af forbrænding på rist - Google Patents

Fremgangsmåde til styring af forbrænding på rist Download PDF

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Publication number
DK3076076T3
DK3076076T3 DK16000114.5T DK16000114T DK3076076T3 DK 3076076 T3 DK3076076 T3 DK 3076076T3 DK 16000114 T DK16000114 T DK 16000114T DK 3076076 T3 DK3076076 T3 DK 3076076T3
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DK
Denmark
Prior art keywords
gas
grate
combustion
flue gas
primary combustion
Prior art date
Application number
DK16000114.5T
Other languages
English (en)
Inventor
Raven Robert Von
Johannes Martin
Original Assignee
Martin Gmbh Fuer Unwelt Und Energietechnik
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Filing date
Publication date
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Application granted granted Critical
Publication of DK3076076T3 publication Critical patent/DK3076076T3/da

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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
    • F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F23L7/002—Supplying water
    • F23L7/005—Evaporated water; Steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B7/00—Combustion techniques; Other solid-fuel combustion apparatus
    • F23B7/002—Combustion techniques; Other solid-fuel combustion apparatus characterised by gas flow arrangements
    • F23B7/007—Combustion techniques; Other solid-fuel combustion apparatus characterised by gas flow arrangements with fluegas recirculation to combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B1/00—Combustion apparatus using only lump fuel
    • F23B1/16—Combustion apparatus using only lump fuel the combustion apparatus being modified according to the form of grate or other fuel support
    • F23B1/18—Combustion apparatus using only lump fuel the combustion apparatus being modified according to the form of grate or other fuel support using inclined grate
    • 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
    • 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
    • F23B7/00—Combustion techniques; Other solid-fuel combustion apparatus
    • F23B7/002—Combustion techniques; Other solid-fuel combustion apparatus characterised by gas flow arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B80/00—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel
    • F23B80/02—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel by means for returning flue gases to the combustion chamber or to the combustion zone
    • 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
    • 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
    • F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
    • 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
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
    • 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
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
    • F23G5/165—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber arranged at a different level
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J11/00—Devices for conducting smoke or fumes, e.g. flues
    • 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
    • F23L1/00—Passages or apertures for delivering primary air for combustion 
    • F23L1/02—Passages or apertures for delivering primary air for combustion  by discharging the air below the fire
    • 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
    • F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B2700/00—Combustion apparatus for solid fuel
    • F23B2700/018—Combustion apparatus for solid fuel with fume afterburning by staged combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2202/00—Combustion
    • F23G2202/10—Combustion in two or more stages
    • F23G2202/106—Combustion in two or more stages with recirculation of unburned solid or gaseous matter into combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2900/00—Special features of, or arrangements for incinerators
    • F23G2900/00001—Exhaust gas recirculation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Incineration Of Waste (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Air Supply (AREA)
  • Gasification And Melting Of Waste (AREA)

Claims (5)

1. Fremgangsmåde til styring af en forbrænding i forbindelse med fyring på rist, og ved hvilken en primær forbrændingsrøggas (72) ledes gennem brændstof (70) ind i et primært forbrændingsområde (71), og hvor i ristens bageste område en del af røggasstrømmen bortsuges, og denne del af røggasstrømmen igen tilføres til forbrændingsprocessen som intern recirkulationsgas (52, 58), og hvor der i det primære forbrændingsområde (71) indstilles en støkiometrisk til stærkt understøkiometrisk reaktionsbetingelse med λ = 1 til λ = 0,5, og hvor - i et udbrændingsområde (76), som set i strømningsretningen ligger efter det primære forbrændingsområde (71) - en intern recirkulationsgas (82) tilføres, brændstoffet forgasses på en forgasningsrist, og på en efterkoblet udbrændingsrist udbrændingen af slagger sikres, og i udbrændingsområdet (76) gasudbrænding opnås, idet den interne recirkulationsgas (52, 82) her tilføres til røggasstrømmen for at udbrænde gasserne og opnå luftoverskudstal fra λ = 1,1 til λ = 1,5, kendetegnet ved, at der i et første røggastræk - ved siden af denne del af den i det bageste ristområde afsugede røggasstrøm - ikke tilføres nogen sekundær luft (54, 78), og således heller ikke nogen yderligere recirkulationsluft.
2. Fremgangsmåde ifølge et af de foregående krav, kendetegnet ved, at røggassen efter tilførslen (27) af den interne recirkulationsgas (52, 82) har en opholdstid på mindst 2 sek. ved en temperatur på over 850°C.
3. Fremgangsmåde ifølge et af de foregående krav, kendetegnet ved, at der i strømningsretningen efter det primære forbrændingsområde (71) tilføres en hvirvelgas (55) til tilvejebringelse afen turbulens.
4. Fremgangsmåde ifølge krav 3, kendetegnet ved, at turbulensgassen (55) er damp eller inert gas.
5. Fremgangsmåde ifølge et af de foregående krav, kendetegnet ved, at der i det primære forbrændingsområde (71) i strømningsretningen - opstrøms i forhold til den interne recirkulationsgas (52, 82) - indstilles en syngasvarmeværdi på mere end 2000 kJ/Nm3, fortrinsvis på mere end 3000 kJ/Nm3.
DK16000114.5T 2015-03-30 2016-01-19 Fremgangsmåde til styring af forbrænding på rist DK3076076T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015003995.4A DE102015003995A1 (de) 2015-03-30 2015-03-30 Verfahren zur Verbrennungsführung bei Rostfeuerungen sowie Rostfeuerung

Publications (1)

Publication Number Publication Date
DK3076076T3 true DK3076076T3 (da) 2018-12-10

Family

ID=55229496

Family Applications (1)

Application Number Title Priority Date Filing Date
DK16000114.5T DK3076076T3 (da) 2015-03-30 2016-01-19 Fremgangsmåde til styring af forbrænding på rist

Country Status (16)

Country Link
US (1) US10753604B2 (da)
EP (1) EP3076076B1 (da)
JP (1) JP6653862B2 (da)
KR (1) KR20160117306A (da)
AU (1) AU2016201711B2 (da)
BR (1) BR102016006958B1 (da)
CA (1) CA2923869C (da)
DE (1) DE102015003995A1 (da)
DK (1) DK3076076T3 (da)
ES (1) ES2694862T3 (da)
MX (1) MX389035B (da)
PL (1) PL3076076T3 (da)
PT (1) PT3076076T (da)
RU (1) RU2712555C2 (da)
SG (1) SG10201602008YA (da)
TR (1) TR201815495T4 (da)

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DE102017008123A1 (de) * 2017-08-30 2019-02-28 Martin GmbH für Umwelt- und Energietechnik Feuerungsanlage und Verfahren zum Betreiben einer Feuerungsanlage
JP6470377B1 (ja) * 2017-10-16 2019-02-13 株式会社神鋼環境ソリューション 二次燃焼室への酸素含有ガス供給方法及び二次燃焼設備
CN107830514A (zh) * 2017-10-28 2018-03-23 广东拓丰实业有限公司 一种燃气锅炉烟气再循环低氮燃烧装置
JP6620213B2 (ja) * 2018-11-28 2019-12-11 株式会社神鋼環境ソリューション 二次燃焼設備
CN112484072B (zh) * 2020-11-24 2022-06-17 湖南省农友机械集团有限公司 一种热风炉进风装置及热风炉
RU2750588C1 (ru) * 2020-12-11 2021-06-29 Федеральное государственное автономное образовательное учреждение высшего образования «Северный (Арктический) федеральный университет имени М. В. Ломоносова» Топка с наклонно-переталкивающей колосниковой решеткой для сжигания биотоплив
DE102022001707A1 (de) 2022-05-16 2023-11-16 Martin GmbH für Umwelt- und Energietechnik Labyrinthdichtung
WO2026063808A1 (en) * 2024-09-20 2026-03-26 Tautan Nicolae Valer Ctdl steam boilers on mixed solid fuel with high humidity >40% with combustion chamber on gn and/on gn +green h2 fuel

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Publication number Publication date
MX389035B (es) 2025-03-20
RU2016111620A (ru) 2017-10-04
US10753604B2 (en) 2020-08-25
RU2016111620A3 (da) 2019-07-17
JP6653862B2 (ja) 2020-02-26
TR201815495T4 (tr) 2018-11-21
PT3076076T (pt) 2018-11-26
US20160290630A1 (en) 2016-10-06
EP3076076A1 (de) 2016-10-05
BR102016006958A2 (pt) 2016-10-25
MX2016004020A (es) 2016-10-10
KR20160117306A (ko) 2016-10-10
RU2712555C2 (ru) 2020-01-29
CA2923869C (en) 2023-07-18
PL3076076T3 (pl) 2019-01-31
EP3076076B1 (de) 2018-08-15
JP2016191544A (ja) 2016-11-10
BR102016006958B1 (pt) 2023-03-28
AU2016201711B2 (en) 2020-10-01
ES2694862T3 (es) 2018-12-27
AU2016201711A1 (en) 2016-10-20
SG10201602008YA (en) 2016-10-28
DE102015003995A1 (de) 2016-10-06
CA2923869A1 (en) 2016-09-30

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