JP4847770B2 - ラジアントチューブ式加熱帯の板温制御方法 - Google Patents
ラジアントチューブ式加熱帯の板温制御方法 Download PDFInfo
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- JP4847770B2 JP4847770B2 JP2006083887A JP2006083887A JP4847770B2 JP 4847770 B2 JP4847770 B2 JP 4847770B2 JP 2006083887 A JP2006083887 A JP 2006083887A JP 2006083887 A JP2006083887 A JP 2006083887A JP 4847770 B2 JP4847770 B2 JP 4847770B2
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Description
1a、1b、1c・・・1n 加熱帯のゾーン
2 板温計
3 計装システム
4 プロセスコンピュータ
4a 板温制御モデル
4b 燃焼負荷配分設定器
5a、5b、5c・・・5n 流量調整弁
Claims (3)
- 複数のゾーンに分けて燃焼制御を行いつつ連続走行する鋼板を加熱するラジアントチューブ式の加熱帯において当該加熱帯の出側の目標板温を上昇させるにあたり、出側の目標板温を上昇させ始める前に、もとの出側板温を維持しつつ前記複数のゾーンに対する燃焼負荷配分を、加熱帯入側のゾーンが通常操業時の燃焼負荷配分よりも高負荷となるようにし、出側の目標板温を上昇させるときの燃焼負荷変化を加熱帯出側のゾーンに集中させ、出側板温が目標板温に到達したら前記複数のゾーンに対する燃焼負荷配分を通常操業時の燃焼負荷配分に戻すことを特徴とするラジアントチューブ式加熱帯の板温制御方法。
- 加熱帯中に仕切りを設け、この仕切りよりも出側のゾーンにおいても、出側の目標板温を上昇させ始める前に、もとの出側板温を維持しつつ燃焼負荷配分を、入側のゾーンが通常操業時の燃焼負荷配分よりも高負荷となるようにする請求項1に記載のラジアントチューブ式加熱帯の板温制御方法。
- 複数のゾーンに分けて燃焼制御を行いつつ連続走行する鋼板を加熱するラジアントチューブ式の加熱帯において当該加熱帯の出側の目標板温を下降させるにあたり、出側板温を下降させ始める前に、もとの出側板温を維持しつつ前記複数のゾーンに対する燃焼負荷配分を、加熱帯出側のゾーンが通常操業時の燃焼負荷配分よりも高負荷となるようにし、出側の目標板温を下降させるときの燃焼負荷変化を加熱帯出側のゾーンに集中させ、出側板温が目標板温に到達したら前記複数のゾーンに対する燃焼負荷配分を通常操業時の燃焼負荷配分に戻すことを特徴とするラジアントチューブ式加熱帯の板温制御方法。
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JP2006083887A JP4847770B2 (ja) | 2006-03-24 | 2006-03-24 | ラジアントチューブ式加熱帯の板温制御方法 |
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JP2006083887A JP4847770B2 (ja) | 2006-03-24 | 2006-03-24 | ラジアントチューブ式加熱帯の板温制御方法 |
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JP2007254871A JP2007254871A (ja) | 2007-10-04 |
JP4847770B2 true JP4847770B2 (ja) | 2011-12-28 |
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JPS61113728A (ja) * | 1984-11-09 | 1986-05-31 | Kawasaki Steel Corp | 連続焼鈍炉のストリツプ温度制御方法 |
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