JP2015165180A - 過渡加熱バーナー及び過渡加熱方法 - Google Patents
過渡加熱バーナー及び過渡加熱方法 Download PDFInfo
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- 239000007800 oxidant agent Substances 0.000 claims abstract description 67
- 230000001590 oxidative effect Effects 0.000 claims abstract description 60
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- 239000001301 oxygen Substances 0.000 claims description 43
- 229910052760 oxygen Inorganic materials 0.000 claims description 43
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 42
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
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- 238000007254 oxidation reaction Methods 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
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Abstract
Description
σ=P2/2A
で定義される。
Claims (18)
- 少なくとも2つのバーナーエレメントであって、それぞれが
燃料を流動させる分配ノズル、及び
前記分配ノズルを取り囲みかつ第1酸化剤を流動させる環状ノズル
を含む少なくとも2つのバーナーエレメントと、
第2酸化剤を流動させる少なくとも1つのステージングノズルと、
前記分配ノズルの少なくとも1つがアクティブであり、前記分配ノズルの少なくとも1つがパッシブであるように、それぞれの分配ノズルへの燃料流量を独立して制御するようプログラムされたコントローラであって、アクティブな分配ノズルにおける燃料流量が分配ノズルへの平均燃料流量よりも多く、パッシブな分配ノズルにおける燃料流量が分配ノズルへの平均燃料流量よりも少なく、さらに、[第2酸化剤流中に含まれる酸素]/[第1及び第2酸化剤流中に含まれる酸素の合計]の比であるステージング比を約75%以下に制御するようプログラムされたコントローラと
を含む、過渡加熱バーナー。 - 前記バーナーエレメントが外接円において実質的に等間隔で配置され、
前記ステージングノズルが前記外接円の内部に配置された、請求項1に記載のバーナー。 - 前記バーナーエレメントの少なくとも1つが、前記外接円から角度αで半径方向外側へ角度を付けられ、前記角度αが約60°以下である、請求項2に記載のバーナー。
- 前記バーナーエレメントの少なくとも1つが、前記外接円に対して角度βで接線方向に角度を付けられ、前記角度βが約60°以下である、請求項2に記載のバーナー。
- 前記バーナーエレメントと前記ステージングノズルが同一直線上に配置され、各ステージングノズルが2つのバーナーエレメントの間に等距離に配置されている、請求項1に記載のバーナー。
- 前記分配ノズル及び環状ノズルがそれぞれ、短軸と、該短軸の少なくとも1.5倍の長さの長軸とを備えた断面を有し、
少なくとも2つのステージングノズルが同一直線上に配置され、各バーナーエレメントに隣接し、前記長軸に対して実質的に平行である、請求項1に記載のバーナー。 - 前記ステージングノズルが短軸と、該短軸の少なくとも1.5倍の長さの長軸とを備えた断面を有し、
少なくとも2つのバーナーエレメントが同一直線上に配置され、前記ステージングノズルに隣接し、前記長軸に対して実質的に平行である、請求項1に記載のバーナー。 - 前記コントローラがパッシブな分配ノズルへの燃料流量を、ゼロ超でかつアクティブな分配ノズルの流量の半分以下に制御するようプログラムされている、請求項1に記載のバーナー。
- 前記コントローラが前記ステージング比を約40%以下に制御するようプログラムされている、請求項1に記載のバーナー。
- アクティブな分配ノズルを出る燃料がアクティブな噴射速度を有し、前記ステージングノズルを出る酸化剤がステージング噴射速度を有し、
前記コントローラが、[ステージング噴射速度]/[アクティブな噴射速度]の比を少なくとも約0.05でかつ1未満に制御するようプログラムされている、請求項1に記載のバーナー。 - 前記環状ノズル中を流れる前記第1酸化剤が約70%以上の酸素濃度を有する、請求項1に記載のバーナー。
- 前記ステージングノズル中を流れる前記第2酸化剤が約20.9%以上の酸素濃度を有する、請求項1に記載のバーナー。
- アクティブな分配ノズルがアクティブな噴射流量を有し、パッシブな分配ノズルがパッシブな噴射流量を有し、
前記コントローラが、[アクティブな噴射流量]/[パッシブな噴射流量]の比を約5〜約40に制御するようプログラムされている、請求項1に記載のバーナー。 - パッシブな分配ノズルを有するバーナーエレメントが約0.2〜約1の当量比を有し、該当量比は前記分配ノズル中を流れる燃料を燃焼させるための[環状ノズルを通る理論上の化学量論的酸化剤流量]/[環状ノズルを通る実際の酸化剤流量]の比であり、アクティブな分配ノズルを有するバーナーエレメントが約1〜約10の当量比を有し、該当量比は前記分配ノズル中を流れる燃料を燃焼させるための[環状ノズルを通る理論上の化学量論的酸化剤流量]/[環状ノズルを通る実際の酸化剤流量]の比である、請求項1に記載のバーナー。
- 前記コントローラに信号を与えるセンサをさらに含み、
前記コントローラが、前記信号に基づいて各分配ノズルをアクティブか又はパッシブに制御するようプログラムされ、
前記センサが、温度センサ、放射線センサ、光センサ、カメラ、色センサ、伝導度センサ、近接センサ、及びそれらの組み合わせからなる群より選択される、請求項1に記載のバーナー。 - 少なくとも1つのステージングノズルと、それぞれが環状ノズルによって取り囲まれた分配ノズルを含む少なくとも2つのバーナーエレメントとを有するバーナーを炉内で操作する方法であって、
酸化剤をステージング流量で前記ステージングノズル中に流す工程、
酸化剤を一次酸化剤流量で前記環状ノズルのそれぞれに流す工程、
前記分配ノズルの少なくとも1つをアクティブであるように選択しそして前記分配ノズルの少なくとも1つをパッシブであるように選択する工程、
燃料をアクティブな噴射流量でアクティブな分配ノズル中に流す工程、及び
燃料をパッシブな噴射流量でパッシブな分配ノズル中に流す工程
を含み、前記アクティブな噴射流量が前記分配ノズルを通る平均燃料流量よりも多く、前記パッシブな噴射流量が前記分配ノズルを通る平均燃料流量よりも少ない、方法。 - 前記炉内においてあるパラメータを検知する検知工程、
検知されたパラメータに基づいて、どの分配ノズルをアクティブにしてどの分配ノズルをパッシブにするかを再選択する再選択工程、及び
前記検知工程と前記再選択工程を周期的に繰り返す工程
をさらに含む、請求項16に記載の方法。 - 少なくとも2つのバーナーエレメントであって、それぞれが
第1流体を流動させる分配ノズル、及び
前記分配ノズルを取り囲みかつ第2流体を流動させる環状ノズル
を含む少なくとも2つのバーナーエレメントと、
第3流体を流動させる少なくとも1つのステージングノズルと、
前記分配ノズルの少なくとも1つがアクティブであり、前記分配ノズルの少なくとも1つがパッシブであるように、それぞれの分配ノズルへの第1流体の流量を独立して制御するようプログラムされたコントローラであって、アクティブな分配ノズルにおける流量が分配ノズルへの平均流量よりも多く、パッシブな分配ノズルにおける流量が分配ノズルへの平均流量よりも少なく、さらに、[第3流体の流量]/[第2及び第3流体の流量の合計]の比であるステージング比を約75%以下に制御するようプログラムされたコントローラと
を含み、前記第1流体が燃料及び酸化剤のうちの一方を含有し、前記第2流体及び第3流体が燃料及び酸化剤のうちの他方を含有する、過渡加熱バーナー。
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RU2670345C2 (ru) | 2018-10-22 |
KR101730700B1 (ko) | 2017-04-26 |
BR102015004172B1 (pt) | 2022-02-22 |
US20160273765A1 (en) | 2016-09-22 |
KR20150102724A (ko) | 2015-09-07 |
MY189504A (en) | 2022-02-16 |
TW201533394A (zh) | 2015-09-01 |
RU2015107003A (ru) | 2016-09-20 |
CL2015000496A1 (es) | 2016-01-04 |
RU2015107003A3 (ja) | 2018-08-14 |
JP6055004B2 (ja) | 2016-12-27 |
CA2883023C (en) | 2016-11-29 |
EP2913586A1 (en) | 2015-09-02 |
US20150247673A1 (en) | 2015-09-03 |
ES2786190T3 (es) | 2020-10-09 |
CN104879751B (zh) | 2017-09-26 |
US9976741B2 (en) | 2018-05-22 |
CN204513376U (zh) | 2015-07-29 |
MX2015001943A (es) | 2015-08-31 |
ZA201501291B (en) | 2016-12-21 |
US9360257B2 (en) | 2016-06-07 |
CN104879751A (zh) | 2015-09-02 |
TWI537530B (zh) | 2016-06-11 |
PL2913586T3 (pl) | 2020-07-27 |
CA2883023A1 (en) | 2015-08-28 |
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