JP5959173B2 - 工業用炉の炉内燃焼制御方法 - Google Patents
工業用炉の炉内燃焼制御方法 Download PDFInfo
- Publication number
- JP5959173B2 JP5959173B2 JP2011204134A JP2011204134A JP5959173B2 JP 5959173 B2 JP5959173 B2 JP 5959173B2 JP 2011204134 A JP2011204134 A JP 2011204134A JP 2011204134 A JP2011204134 A JP 2011204134A JP 5959173 B2 JP5959173 B2 JP 5959173B2
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- ceiling
- oxidant
- burners
- burner
- 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.)
- Expired - Fee Related
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Classifications
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- 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
- F23C99/00—Subject-matter not provided for in other groups of this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/3005—Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases
- F27B9/3011—Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases arrangements for circulating gases transversally
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
- C03B5/2353—Heating the glass by combustion with pure oxygen or oxygen-enriched air, e.g. using oxy-fuel burners or oxygen lances
-
- 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
- F23C5/08—Disposition of burners
-
- 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
- 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
- F23L7/007—Supplying oxygen or oxygen-enriched air
-
- 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
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Furnace Charging Or Discharging (AREA)
- Furnace Details (AREA)
- Regulation And Control Of Combustion (AREA)
- Tunnel Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Description
101:炉の側壁
102:加熱対象物
103:天井バーナー
104:平面火焔
105a、105b:天井バーナーの列
200:工業用炉
201:炉の側壁
202:加熱対象物
203:天井バーナー
204:平面火焔
205a、205b:天井バーナーの列
206:ランス:
207:第2の酸化剤のジェット流
208a、208b:ランスの対
300:工業用炉
301:炉の側壁
302:加熱対象物
303:天井バーナー
305a、305b:天井バーナーの列
306:ランス:
307:第2の酸化剤のジェット流
308a、308b:ランスの対
Claims (13)
- 工業用炉(200; 300)の天井に複数の下向き天井バーナー(203; 303)を少なくとも2列(205a,205b; 305a,305b)をなす行列マトリクス配置で設置し、炉(200; 300)内の加熱対象物(202; 302)を加熱するために各天井バーナー(203; 303)を燃料と第1の酸化剤で駆動することにより炉内を各天井バーナーによる燃焼で加熱するに際し、少なくとも1本のランス(206; 306)を前記炉(200; 300)の側壁(201; 301)に配置し、該ランス(206; 306)を通して酸素含有率が少なくとも85重量%の第2の酸化剤を音速以上のジェット流(207; 307)の形態で炉(200; 300)の内部に供給し、この第2の酸化剤のジェット流(207; 307)を前記加熱対象物(202; 302)よりも上方の水平面内で天井バーナー(203; 303)の列(205a,205b; 305a,305b)と平行に通過させ、単位時間当たりの第2の酸化剤の供給量を、第2の酸化剤による供給酸素量が炉(200; 300)の内部へ単位時間当たりに供給される全酸素量の少なくとも50重量%となるように平衡させることを特徴とする工業用炉の炉内燃焼制御方法。
- 第2の酸化剤を少なくともマッハ1.5の流速で供給することを特徴とする請求項1に記載の方法。
- 第2の酸化剤として少なくとも95重量%の酸素含有率を有する酸化剤を用いることを特徴とする請求項1又は2に記載の方法。
- 単位時間当たりの第2の酸化剤の供給量を、第2の酸化剤による供給酸素量が炉(200; 300)の内部へ単位時間当たりに供給される全酸素量の少なくとも70重量%となるように平衡させることを特徴とする請求項1〜3のいずれか1項に記載の方法。
- 第1の酸化剤として空気を用いることを特徴とする請求項1〜4のいずれか1項に記載の方法。
- 天井バーナー(203; 303)が空気駆動型天井バーナーであり、天井バーナー(203; 303)に送り込まれる空気の流量をこれら天井バーナー(203; 303)の冷却に足りる最低レベルに制御し、第2の酸化剤の供給流量を燃焼に必要な化学量論的平衡状態が炉(200; 300)内の燃焼域の全域で達成されるように制御することを特徴とする請求項5に記載の方法。
- 天井バーナー(203; 303)を、1列について少なくとも4基の天井バーナーを含む少なくとも3列を成すマトリクス配置に配列することを特徴とする請求項1〜6のいずれか1項に記載の方法。
- ランス(206; 306)の吹き出しオリフィス開口を炉(200; 300)内の側壁(201; 301)に沿って加熱対象物(202; 302)の上面と炉(200; 300)の天井面との間の高さ位置に開口させておき、加熱対象物(202; 302)の上面の最も高い位置からランス開口高さ位置までの垂直間隔が、加熱対象物(202; 302)と炉(200; 300)内の天井面との間の最小垂直間隔の50〜60%の範囲内にあることを特徴とする請求項1〜7のいずれか1項に記載の方法。
- 炉(200)が天井バーナー(203)の列(205a, 205b)と平行な向き(T)に少なくとも8mの内幅寸法を有する工業用炉であり、炉(200)の両側の側壁に互いに向かい合って配置されたランス(208a, 208b)の各吹き出しオリフィス開口から第2の酸化剤を音速以上のジェット流の形態で供給して、第2の酸化剤の各ジェット流(207)を互いに平行に且つ向かい合う方向に吹き込むことを特徴とする請求項1〜8のいずれか1項に記載の方法。
- 天井バーナー(303)が少なくとも3列を成すマトリクス配置に配列され、炉(300)が天井バーナー(303)の列(305a, 305b)と平行な向きに最大でも10mの内幅寸法を有する工業用炉であり、第2の酸化剤のための複数本のランス(308a, 308b)を炉(300)の両側壁に配置すると共に、各ランスの吹き出しオリフィス開口から第2の酸化剤を高速ジェット流の形態で天井バーナーの列(305a, 305b)に沿って互いに向かい合う方向に、但しこれらバーナーの列の間の別々の隙間へそれぞれ個別に供給し、各ランス(308a; 308b)でジェット流の向きを各天井ヒーターの列間の或る隙間とその1つ隣の隙間または複数置きに隣り合う隙間で逆向きにすることによって炉(300)内にこれらの一つ又は複数置きに隣り合う隙間に沿って第2の酸化剤の流れに閉ループ状の循環を形成させることを特徴とする請求項1〜8のいずれか1項に記載の方法。
- 第2の酸化剤のジェット流の発散角度を10度以下とすることを特徴とする請求項1〜10のいずれか1項に記載の方法。
- マトリクス配置された従来形式の複数基の空気駆動型天井バーナーを備えた既存の工業用炉に対して加熱効率と温度均一性の向上並びに操業中の窒素酸化物と二酸化炭素の発生量の低減を果たすための方法であって、工業用炉を請求項1〜11のいずれか1項に記載の方法に従って操業し、その操業の初期段階では予め該工業用炉に前記第2の酸化剤を吹き込むためのランス(206; 306)を追加設置しておくことを特徴とする方法。
- 既存の天井バーナーを通して供給される単位時間当たりの燃料の流量を操業中の必要な時点で単位時間当たりの全酸素供給量に対して化学量論的に平衡させることにより炉の最大加熱容量を上昇させることを特徴とする請求項12に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1051019-6 | 2010-09-30 | ||
SE1051019A SE535197C2 (sv) | 2010-09-30 | 2010-09-30 | Förfarande vid förbränning i en industriugn |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012078082A JP2012078082A (ja) | 2012-04-19 |
JP5959173B2 true JP5959173B2 (ja) | 2016-08-02 |
Family
ID=43638604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011204134A Expired - Fee Related JP5959173B2 (ja) | 2010-09-30 | 2011-09-20 | 工業用炉の炉内燃焼制御方法 |
Country Status (14)
Country | Link |
---|---|
US (1) | US9689614B2 (ja) |
EP (1) | EP2437019B1 (ja) |
JP (1) | JP5959173B2 (ja) |
KR (1) | KR101810553B1 (ja) |
CN (1) | CN102444907B (ja) |
AU (1) | AU2011226828B2 (ja) |
BR (1) | BRPI1106933A2 (ja) |
DK (1) | DK2437019T3 (ja) |
ES (1) | ES2399812T3 (ja) |
PL (1) | PL2437019T3 (ja) |
RU (1) | RU2593878C2 (ja) |
SE (1) | SE535197C2 (ja) |
UA (1) | UA111701C2 (ja) |
ZA (1) | ZA201107141B (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE535197C2 (sv) * | 2010-09-30 | 2012-05-15 | Linde Ag | Förfarande vid förbränning i en industriugn |
US20150168067A1 (en) * | 2013-12-12 | 2015-06-18 | Rudiger Eichler | Method for heating a metal material in an industrial furnace |
EP2891859A1 (en) * | 2013-12-12 | 2015-07-08 | Linde Aktiengesellschaft | Method for heating a metal material in an industrial furnace |
EP3412999B1 (en) * | 2017-06-06 | 2019-11-20 | Linde Aktiengesellschaft | Method and device for heating a furnace |
CN110332531B (zh) * | 2019-06-01 | 2021-02-02 | 中山市思源电器有限公司 | 一种设置二次空气导风装置的燃气燃烧器 |
Family Cites Families (30)
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US2018956A (en) * | 1933-04-26 | 1935-10-29 | Surface Combustion Corp | Apparatus for firing furnaces with heavy fuel oil |
US3091446A (en) * | 1962-02-19 | 1963-05-28 | Union Carbide Corp | Method for the heating of industrial furnaces |
SU377355A1 (ru) * | 1971-03-04 | 1977-12-05 | Центральный Научно-Исследовательский Институт Технологии Машиностроения | Проходной газовой печи безокислительного нагрева |
JPS54231A (en) * | 1977-06-03 | 1979-01-05 | Nippon Steel Corp | Tow-stage combustion-roof buener |
SU971898A1 (ru) * | 1981-04-03 | 1982-11-07 | Институт газа АН УССР | Способ нагрева спекаемого материала и устройство дл его осуществлени |
DE3406956A1 (de) * | 1984-02-25 | 1985-08-29 | Messer Griesheim Gmbh, 6000 Frankfurt | Verfahren zur herstellung von ziegeln aus kohlenstoffhaltigem ton |
ES2025720T3 (es) * | 1987-04-16 | 1992-04-01 | Italimpianti Societa Italiana Impianti P.A. | Horno de recalentamiento con quemadores de llama rotativa para llantas y palanquillas. |
JPH07233935A (ja) * | 1994-02-23 | 1995-09-05 | Nippon Steel Corp | 連続加熱装置 |
FR2722272B1 (fr) * | 1994-07-08 | 1996-08-23 | Air Liquide | Ensemble de combustion pour un four et procede de mise en oeuvre |
US6481998B2 (en) * | 1995-06-07 | 2002-11-19 | Ge Energy And Environmental Research Corporation | High velocity reburn fuel injector |
FR2784449B1 (fr) * | 1998-10-13 | 2000-12-29 | Stein Heurtey | Bruleur a combustible fluide notamment pour fours de rechauffage de produits siderurgiques |
US6126438A (en) * | 1999-06-23 | 2000-10-03 | American Air Liquide | Preheated fuel and oxidant combustion burner |
US6705117B2 (en) * | 1999-08-16 | 2004-03-16 | The Boc Group, Inc. | Method of heating a glass melting furnace using a roof mounted, staged combustion oxygen-fuel burner |
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US6685464B2 (en) * | 2001-03-28 | 2004-02-03 | L'Air Liquide - Societe Anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude | High velocity injection of enriched oxygen gas having low amount of oxygen enrichment |
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SE528808C2 (sv) * | 2004-09-15 | 2007-02-20 | Aga Ab | Förfarande vid förbränning, jämte brännare |
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SE529467C2 (sv) * | 2005-06-14 | 2007-08-14 | Aga Ab | Tätning för brännare |
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SE532339C2 (sv) * | 2007-12-10 | 2009-12-15 | Aga Ab | Förfarande och anordning vid brännare |
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SE535197C2 (sv) * | 2010-09-30 | 2012-05-15 | Linde Ag | Förfarande vid förbränning i en industriugn |
CN103649640B (zh) * | 2011-03-10 | 2016-12-07 | 气体产品与化学公司 | 氧‑燃料喷燃器组件 |
-
2010
- 2010-09-30 SE SE1051019A patent/SE535197C2/sv not_active IP Right Cessation
- 2010-12-21 DK DK10196090.4T patent/DK2437019T3/da active
- 2010-12-21 EP EP10196090A patent/EP2437019B1/en not_active Not-in-force
- 2010-12-21 ES ES10196090T patent/ES2399812T3/es active Active
- 2010-12-21 PL PL10196090T patent/PL2437019T3/pl unknown
-
2011
- 2011-09-09 US US13/228,827 patent/US9689614B2/en not_active Expired - Fee Related
- 2011-09-20 JP JP2011204134A patent/JP5959173B2/ja not_active Expired - Fee Related
- 2011-09-23 AU AU2011226828A patent/AU2011226828B2/en not_active Ceased
- 2011-09-27 CN CN201110334648.9A patent/CN102444907B/zh not_active Expired - Fee Related
- 2011-09-29 ZA ZA2011/07141A patent/ZA201107141B/en unknown
- 2011-09-29 RU RU2011139725/02A patent/RU2593878C2/ru not_active IP Right Cessation
- 2011-09-29 UA UAA201111548A patent/UA111701C2/uk unknown
- 2011-09-29 BR BRPI1106933-3A patent/BRPI1106933A2/pt not_active Application Discontinuation
- 2011-09-30 KR KR1020110099883A patent/KR101810553B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
RU2011139725A (ru) | 2013-04-10 |
DK2437019T3 (da) | 2013-03-04 |
JP2012078082A (ja) | 2012-04-19 |
AU2011226828B2 (en) | 2014-04-24 |
CN102444907A (zh) | 2012-05-09 |
SE1051019A1 (sv) | 2012-03-31 |
ZA201107141B (en) | 2012-06-27 |
US9689614B2 (en) | 2017-06-27 |
EP2437019B1 (en) | 2012-12-12 |
CN102444907B (zh) | 2015-07-29 |
ES2399812T3 (es) | 2013-04-03 |
PL2437019T3 (pl) | 2013-04-30 |
UA111701C2 (uk) | 2016-06-10 |
AU2011226828A1 (en) | 2012-04-19 |
KR20120034050A (ko) | 2012-04-09 |
RU2593878C2 (ru) | 2016-08-10 |
US20120082946A1 (en) | 2012-04-05 |
EP2437019A1 (en) | 2012-04-04 |
SE535197C2 (sv) | 2012-05-15 |
BRPI1106933A2 (pt) | 2015-06-02 |
KR101810553B1 (ko) | 2017-12-19 |
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