JP5453318B2 - 低窒素酸化物ガス噴射器 - Google Patents
低窒素酸化物ガス噴射器 Download PDFInfo
- Publication number
- JP5453318B2 JP5453318B2 JP2010545532A JP2010545532A JP5453318B2 JP 5453318 B2 JP5453318 B2 JP 5453318B2 JP 2010545532 A JP2010545532 A JP 2010545532A JP 2010545532 A JP2010545532 A JP 2010545532A JP 5453318 B2 JP5453318 B2 JP 5453318B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure gas
- injector
- melting furnace
- supply pipe
- axis
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/84—Flame spreading or otherwise shaping
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Melting And Manufacturing (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
- Gas Burners (AREA)
Description
これらに限定されるものではないが、既存の解決手段をいくつかのカテゴリに分けることができる。
第一のカテゴリは、「再燃焼」技術と呼ばれる手法を用いて溶解炉の燃焼室内に空気が足りない部分を作り、窒素酸化物の生成を削減するものである。この方法は蓄熱器の排気管の温度上昇を起こし、場合によっては、特に密封性及び耐腐食性の面で特殊な蓄熱器排気管を必要とするという短所がある。
第二のカテゴリは、炎に作用してその中での窒素酸化物の生成を減らす、あるいは阻むものである。そのためには、例えば過剰な燃焼用空気を減らすことを目的にしてもよい。また、火炎中の平均温度を下げるために、火炎長を維持しながら最高温度を制限し、かつ火炎前面の体積を増やすことを目的にしてもよい。このような解決方法は、特許文献1や2に記載されている。第二のカテゴリは、窒素酸化物の排出を減らす目的で、燃料/酸化剤の接触を長い時間に分散し、かつ、又は、接触量を増大させ得るように燃料の供給及び酸化剤の供給の両方が行われるガラス溶融燃焼方法である。
発熱量の70〜90%、好ましくは75〜85%は低圧ガスに起因する。
中心高圧ガス噴流に対する周辺低圧ガス噴流の収束角度は4°〜10°の間であり、好ましくは5°〜8°の間である。
周辺低圧ガス噴流の数は4〜16で、好ましくは8〜12である。
全ての周辺低圧ガス噴流は同一の特徴:断面、流量、及び、中心高圧ガス噴流の軸に対する収束角度、を有する。
上記の一つ又はそれ以上の噴射器を含む燃焼器、
上記燃焼器を少なくとも一つ備えた溶解炉、特にエンド・ファイア溶解炉、又は、サイド・ファイア溶融炉、及び、
窒素酸化物の排出量を制限するための本発明の方法、噴射器、燃焼器、又は溶解炉の適用、である。
窒素酸化物の排出量は、4N/MWの比運動量Isp(発熱量に対する燃料噴流の総運動量の割合として定義される)当たり、687mg/Nm3であった。
Claims (2)
- ガス燃料により炎が生成するガラス溶融のための燃焼方法であって、一定間隔をあけたいくつかの周辺低圧ガス噴流が中心高圧ガス噴流に収束する燃焼方法を実施するための噴射器を含む燃焼器を少なくとも一つ含むエンド・ファイア溶解炉において、
前記噴射器は、前記エンド・ファイア溶解炉の右側部分と左側部分に交互に噴射する二重ガス稼働噴射器であり、
同心状の低圧ガス供給管に包囲される高圧ガス供給管を含み、その円形の出口は、同一断面の穴が設けられた平坦リングで完全にふさがれ、前記穴は前記供給管の軸線の周りに一定間隔で隔てられ、全てが同じ角度で前記軸上に収束することを特徴とするエンド・ファイア溶解炉。 - ガス燃料により炎が生成するガラス溶融のための燃焼方法であって、一定間隔をあけたいくつかの周辺低圧ガス噴流が中心高圧ガス噴流に収束する燃焼方法を実施するための噴射器を含む燃焼器を少なくとも一つ含むサイド・ファイア溶解炉において、
前記噴射器は、前記サイド・ファイア溶解炉の右側部分と左側部分に交互に噴射する二重ガス稼働噴射器であり、
同心状の低圧ガス供給管に包囲される高圧ガス供給管を含み、その円形の出口は、同一断面の穴が設けられた平坦リングで完全にふさがれ、前記穴は前記供給管の軸線の周りに一定間隔で隔てられ、全てが同じ角度で前記軸上に収束することを特徴とするサイド・ファイア溶解炉。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0850701A FR2927148B1 (fr) | 2008-02-05 | 2008-02-05 | Procede de combustion et injecteur de combustible gazeux a jets peripheriques basse pression convergeant vers un jet central haute pression, a faible emission de nox. |
FR0850701 | 2008-02-05 | ||
PCT/FR2009/050169 WO2009101326A2 (fr) | 2008-02-05 | 2009-02-04 | Injecteur gaz a bas nox |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011510902A JP2011510902A (ja) | 2011-04-07 |
JP5453318B2 true JP5453318B2 (ja) | 2014-03-26 |
Family
ID=40001385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010545532A Expired - Fee Related JP5453318B2 (ja) | 2008-02-05 | 2009-02-04 | 低窒素酸化物ガス噴射器 |
Country Status (14)
Country | Link |
---|---|
US (1) | US20110061642A1 (ja) |
EP (1) | EP2288851B1 (ja) |
JP (1) | JP5453318B2 (ja) |
KR (1) | KR20100112600A (ja) |
CN (1) | CN101939590B (ja) |
BR (1) | BRPI0906983B1 (ja) |
EA (1) | EA017499B1 (ja) |
ES (1) | ES2606487T3 (ja) |
FR (1) | FR2927148B1 (ja) |
MX (1) | MX2010008624A (ja) |
PT (1) | PT2288851T (ja) |
UA (1) | UA105358C2 (ja) |
WO (1) | WO2009101326A2 (ja) |
ZA (1) | ZA201005374B (ja) |
Families Citing this family (41)
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US8769992B2 (en) | 2010-06-17 | 2014-07-08 | Johns Manville | Panel-cooled submerged combustion melter geometry and methods of making molten glass |
US10322960B2 (en) | 2010-06-17 | 2019-06-18 | Johns Manville | Controlling foam in apparatus downstream of a melter by adjustment of alkali oxide content in the melter |
US8997525B2 (en) | 2010-06-17 | 2015-04-07 | Johns Manville | Systems and methods for making foamed glass using submerged combustion |
US9776903B2 (en) | 2010-06-17 | 2017-10-03 | Johns Manville | Apparatus, systems and methods for processing molten glass |
US8650914B2 (en) | 2010-09-23 | 2014-02-18 | Johns Manville | Methods and apparatus for recycling glass products using submerged combustion |
US8707739B2 (en) | 2012-06-11 | 2014-04-29 | Johns Manville | Apparatus, systems and methods for conditioning molten glass |
US9021838B2 (en) | 2010-06-17 | 2015-05-05 | Johns Manville | Systems and methods for glass manufacturing |
US8991215B2 (en) | 2010-06-17 | 2015-03-31 | Johns Manville | Methods and systems for controlling bubble size and bubble decay rate in foamed glass produced by a submerged combustion melter |
US8973400B2 (en) | 2010-06-17 | 2015-03-10 | Johns Manville | Methods of using a submerged combustion melter to produce glass products |
US9032760B2 (en) | 2012-07-03 | 2015-05-19 | Johns Manville | Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers |
US9096452B2 (en) | 2010-06-17 | 2015-08-04 | Johns Manville | Methods and systems for destabilizing foam in equipment downstream of a submerged combustion melter |
US8707740B2 (en) | 2011-10-07 | 2014-04-29 | Johns Manville | Submerged combustion glass manufacturing systems and methods |
US8973405B2 (en) | 2010-06-17 | 2015-03-10 | Johns Manville | Apparatus, systems and methods for reducing foaming downstream of a submerged combustion melter producing molten glass |
KR101778655B1 (ko) * | 2010-09-14 | 2017-09-14 | 오사까 가스 가부시키가이샤 | 용해로용 연소 장치 및 용해로 |
FR2968746B1 (fr) * | 2010-12-08 | 2014-11-21 | Saint Gobain | Combustion a jets divergents de combustible |
US9533905B2 (en) | 2012-10-03 | 2017-01-03 | Johns Manville | Submerged combustion melters having an extended treatment zone and methods of producing molten glass |
EP2903941A4 (en) | 2012-10-03 | 2016-06-08 | Johns Manville | METHOD AND SYSTEMS FOR DESTABILIZING FOAM IN A DEVICE HAVING BEEN SWITCHED DOWN UNDERWATER COMBUSTION FURNACE |
US9227865B2 (en) | 2012-11-29 | 2016-01-05 | Johns Manville | Methods and systems for making well-fined glass using submerged combustion |
EP2999923B1 (en) | 2013-05-22 | 2018-08-15 | Johns Manville | Submerged combustion melter with improved burner and corresponding method |
US9777922B2 (en) | 2013-05-22 | 2017-10-03 | Johns Mansville | Submerged combustion burners and melters, and methods of use |
US10131563B2 (en) | 2013-05-22 | 2018-11-20 | Johns Manville | Submerged combustion burners |
US10654740B2 (en) | 2013-05-22 | 2020-05-19 | Johns Manville | Submerged combustion burners, melters, and methods of use |
US10138151B2 (en) | 2013-05-22 | 2018-11-27 | Johns Manville | Submerged combustion burners and melters, and methods of use |
US9731990B2 (en) | 2013-05-30 | 2017-08-15 | Johns Manville | Submerged combustion glass melting systems and methods of use |
SI3003997T1 (sl) | 2013-05-30 | 2021-08-31 | Johns Manville | Potopni zgorevalni gorilniki s sredstvi za izboljšanje mešanja za talilne peči za steklo in uporaba |
WO2015009300A1 (en) | 2013-07-18 | 2015-01-22 | Johns Manville | Fluid cooled combustion burner and method of making said burner |
US9751792B2 (en) | 2015-08-12 | 2017-09-05 | Johns Manville | Post-manufacturing processes for submerged combustion burner |
US10670261B2 (en) | 2015-08-27 | 2020-06-02 | Johns Manville | Burner panels, submerged combustion melters, and methods |
US10041666B2 (en) | 2015-08-27 | 2018-08-07 | Johns Manville | Burner panels including dry-tip burners, submerged combustion melters, and methods |
US9815726B2 (en) | 2015-09-03 | 2017-11-14 | Johns Manville | Apparatus, systems, and methods for pre-heating feedstock to a melter using melter exhaust |
US9982884B2 (en) | 2015-09-15 | 2018-05-29 | Johns Manville | Methods of melting feedstock using a submerged combustion melter |
US10837705B2 (en) | 2015-09-16 | 2020-11-17 | Johns Manville | Change-out system for submerged combustion melting burner |
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-
2008
- 2008-02-05 FR FR0850701A patent/FR2927148B1/fr not_active Expired - Fee Related
-
2009
- 2009-02-04 BR BRPI0906983-6A patent/BRPI0906983B1/pt not_active IP Right Cessation
- 2009-02-04 EA EA201070925A patent/EA017499B1/ru not_active IP Right Cessation
- 2009-02-04 PT PT97112213T patent/PT2288851T/pt unknown
- 2009-02-04 ES ES09711221.3T patent/ES2606487T3/es active Active
- 2009-02-04 JP JP2010545532A patent/JP5453318B2/ja not_active Expired - Fee Related
- 2009-02-04 US US12/866,393 patent/US20110061642A1/en not_active Abandoned
- 2009-02-04 WO PCT/FR2009/050169 patent/WO2009101326A2/fr active Application Filing
- 2009-02-04 EP EP09711221.3A patent/EP2288851B1/fr not_active Not-in-force
- 2009-02-04 CN CN2009801043213A patent/CN101939590B/zh not_active Expired - Fee Related
- 2009-02-04 MX MX2010008624A patent/MX2010008624A/es active IP Right Grant
- 2009-02-04 KR KR1020107016936A patent/KR20100112600A/ko active Search and Examination
- 2009-04-02 UA UAA201010669A patent/UA105358C2/uk unknown
-
2010
- 2010-07-28 ZA ZA2010/05374A patent/ZA201005374B/en unknown
Also Published As
Publication number | Publication date |
---|---|
US20110061642A1 (en) | 2011-03-17 |
EP2288851B1 (fr) | 2016-11-23 |
FR2927148A1 (fr) | 2009-08-07 |
KR20100112600A (ko) | 2010-10-19 |
ES2606487T3 (es) | 2017-03-24 |
UA105358C2 (uk) | 2014-05-12 |
EA017499B1 (ru) | 2012-12-28 |
FR2927148B1 (fr) | 2010-02-19 |
PT2288851T (pt) | 2017-02-13 |
CN101939590B (zh) | 2012-10-10 |
BRPI0906983A8 (pt) | 2019-01-29 |
EP2288851A2 (fr) | 2011-03-02 |
EA201070925A1 (ru) | 2010-12-30 |
MX2010008624A (es) | 2010-08-31 |
CN101939590A (zh) | 2011-01-05 |
WO2009101326A3 (fr) | 2010-07-01 |
JP2011510902A (ja) | 2011-04-07 |
WO2009101326A2 (fr) | 2009-08-20 |
ZA201005374B (en) | 2011-04-28 |
BRPI0906983A2 (pt) | 2015-07-14 |
BRPI0906983B1 (pt) | 2020-02-18 |
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