JP4767701B2 - 高炉羽口吹き込み用微粉炭材の製造方法 - Google Patents
高炉羽口吹き込み用微粉炭材の製造方法 Download PDFInfo
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- JP4767701B2 JP4767701B2 JP2006012183A JP2006012183A JP4767701B2 JP 4767701 B2 JP4767701 B2 JP 4767701B2 JP 2006012183 A JP2006012183 A JP 2006012183A JP 2006012183 A JP2006012183 A JP 2006012183A JP 4767701 B2 JP4767701 B2 JP 4767701B2
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二室二段の噴流床石炭ガス化炉の下段の部分燃焼ガス化炉において、灰分12%の石炭を粉砕した微粉炭32.1t/hを、酸素/石炭重量比0.90(kg/kg)の酸素により、1500℃で部分燃焼ガス化した。
二室二段の噴流床石炭ガス化炉の下段の部分燃焼ガス化炉において、灰分12%の石炭30.4t/hと灰分25%の下水汚泥2.0t/hを混合して粉砕した原料32.4t/hを、酸素/炭材重量比0.90(kg/kg)の酸素により1500℃で部分燃焼ガス化した。
二室二段の噴流床石炭ガス化炉の下段の部分燃焼ガス化炉において、灰分12%の石炭を粉砕した微粉炭32.1t/hを、酸素/石炭重量比0.90(kg/kg)の酸素により1500℃で部分燃焼ガス化した。
2 熱分解ガス化炉
3 サイクロン
4 高揮発分かつ低灰分の石炭
5 高灰分石炭
6 酸素
7 チャー(低揮発分かつ低灰分)
8 スラグ
9 熱分解生成ガス
Claims (3)
- 下段が部分燃焼ガス化炉で上段が熱分解ガス化炉である二室二段の噴流床石炭ガス化炉を用いた高炉羽口吹き込み用微粉炭材の製造方法であって、灰分が9質量%以上の高灰分石炭と酸素含有気体を前記部分燃焼ガス化炉に装入して1400℃以上で部分燃焼させてガス化し、揮発分が30質量%を超える高揮発分かつ灰分が9質量%未満の低灰分の石炭を前記熱分解ガス化炉に装入して前記部分燃焼ガス化炉でガス化したガス顕熱を利用して、前記高揮発分かつ低灰分の石炭を800〜1100℃で熱分解してチャーを生成することを特徴とする高炉羽口吹き込み用微粉炭材の製造方法。
- 前記高灰分石炭の一部又は全部に替えて、灰分が9質量%以上の高灰分炭素質資源を前記部分燃焼ガス化炉に装入することを特徴とする請求項1記載の高炉羽口吹き込み用微粉炭材の製造方法。
- 前記高揮発分かつ低灰分の石炭の一部又は全部に替えて、木質バイオマスを前記熱分解ガス化炉に装入することを特徴とする請求項1又は2記載の高炉羽口吹き込み用微粉炭材の製造方法。
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JP2006012183A JP4767701B2 (ja) | 2006-01-20 | 2006-01-20 | 高炉羽口吹き込み用微粉炭材の製造方法 |
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JP2006012183A JP4767701B2 (ja) | 2006-01-20 | 2006-01-20 | 高炉羽口吹き込み用微粉炭材の製造方法 |
Publications (2)
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JP2007191766A JP2007191766A (ja) | 2007-08-02 |
JP4767701B2 true JP4767701B2 (ja) | 2011-09-07 |
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JP2006012183A Expired - Fee Related JP4767701B2 (ja) | 2006-01-20 | 2006-01-20 | 高炉羽口吹き込み用微粉炭材の製造方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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LU91493B1 (en) * | 2008-10-31 | 2010-05-03 | Wurth Paul Sa | Method for operating a blast furnace and blast furnace installation |
JP5963239B2 (ja) * | 2012-02-21 | 2016-08-03 | 一般財団法人電力中央研究所 | 石炭ガス化設備及び石炭ガス化発電システム |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH04358014A (ja) * | 1991-06-03 | 1992-12-11 | Nippon Steel Corp | 高炉操業法 |
JPH0641553A (ja) * | 1992-07-24 | 1994-02-15 | Nippon Steel Corp | 石炭急速熱分解炉 |
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