JP4903083B2 - 蓄熱式バーナ加熱炉の燃焼制御方法 - Google Patents
蓄熱式バーナ加熱炉の燃焼制御方法 Download PDFInfo
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- JP4903083B2 JP4903083B2 JP2007131788A JP2007131788A JP4903083B2 JP 4903083 B2 JP4903083 B2 JP 4903083B2 JP 2007131788 A JP2007131788 A JP 2007131788A JP 2007131788 A JP2007131788 A JP 2007131788A JP 4903083 B2 JP4903083 B2 JP 4903083B2
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- temperature
- exhaust gas
- heat storage
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- 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
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Description
Qair:燃焼空気実績流量
Qfu :燃料実績流量
A0 :理論空気比
G0 :理論排ガス比
以上の式では加熱炉で発生した排ガスにPB率を掛けた流量が蓄熱式バーナが吸引する排ガス流量の設定値となる。例えば、PB率80%であれば、発生した全排ガス量の80%がバーナに吸引され、残り20%が炉内を通じて直接煙突へ流れることになる。
3:燃料切替弁 4:排ガス切替弁
5:燃焼空気切替弁 6:排ガス流調弁
7:燃焼空気流調弁 8:熱電対(蓄熱体出側排ガス温度用)
9:熱電対(蓄熱体入側予熱燃焼空気温度用)
Claims (2)
- 蓄熱式バーナの蓄熱体への排ガス吸引量設定式の係数であるPB率を変更し、そのPB率にて演算された排ガス吸引量設定値に基づいて蓄熱体への排ガス吸引量を制御する蓄熱式バーナ加熱炉の燃焼制御方法において、
下記工程1〜工程2により蓄熱体への排ガス吸引量を制御することを特徴とする蓄熱式バーナ加熱炉の燃焼制御方法。
工程1:前記蓄熱式バーナの予熱燃焼空気温度を蓄熱式バーナの切替サイクルの度に測定し、前後複数サイクルの測定温度差の移動平均値が一定温度以内である状態を所定回数以上連続した場合に限り飽和状態と判定する。
工程2:前記飽和状態を判定した時の予熱燃焼空気温度と前回飽和状態を判定した時の当該温度との差が一定温度偏差内であればPB率を固定する。または、前記飽和状態を判定した時の予熱燃焼空気温度と前回飽和状態を判定した時の当該温度との差が一定温度偏差を超えた場合、PB率を一定の割合の値で増加させる。 - 前記工程1〜工程2を繰り返すことを特徴とする請求項1記載の蓄熱式バーナ加熱炉の燃焼制御方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007131788A JP4903083B2 (ja) | 2007-05-17 | 2007-05-17 | 蓄熱式バーナ加熱炉の燃焼制御方法 |
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JP2007131788A JP4903083B2 (ja) | 2007-05-17 | 2007-05-17 | 蓄熱式バーナ加熱炉の燃焼制御方法 |
Publications (2)
Publication Number | Publication Date |
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JP2008286472A JP2008286472A (ja) | 2008-11-27 |
JP4903083B2 true JP4903083B2 (ja) | 2012-03-21 |
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JP2007131788A Expired - Fee Related JP4903083B2 (ja) | 2007-05-17 | 2007-05-17 | 蓄熱式バーナ加熱炉の燃焼制御方法 |
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JP (1) | JP4903083B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101389319B1 (ko) * | 2012-07-23 | 2014-05-07 | 한국에너지기술연구원 | 촉매를 활용한 연료 부분 산화 특징을 갖는 축열식 순산소 연소 시스템 및 그 연소 시스템을 이용한 연소방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0816529B2 (ja) * | 1991-02-25 | 1996-02-21 | 日本ファーネス工業株式会社 | 炉温制御方法 |
JP2003302044A (ja) * | 2002-04-05 | 2003-10-24 | Nippon Steel Corp | 蓄熱式バーナ加熱炉の燃焼制御方法 |
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