JP2005207817A - 微粉炭の搬送性評価方法 - Google Patents
微粉炭の搬送性評価方法 Download PDFInfo
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Abstract
【解決手段】 石炭中に存在する27Alまたは29Siの核磁気共鳴スペクトルを測定し、該測定スペクトルに基づいて、上記石炭中に存在するAlとSiを主成分とする無機鉱物の化学形態を分類し、該分類に基づいて上記石炭の搬送性を評価することを特徴とする微粉炭の搬送性評価方法。
【選択図】 図2
Description
Claims (6)
- 石炭中に存在する27Alまたは29Siの核磁気共鳴スペクトルを測定し、該測定スペクトルに基づいて、上記石炭中に存在するAlとSiを主成分とする無機鉱物の化学形態を分類し、該分類に基づいて上記石炭の搬送性を評価することを特徴とする微粉炭の搬送性評価方法。
- 前記無機鉱物が粘土鉱物および酸化物であることを特徴とする請求項1に記載の微粉炭の搬送性評価方法。
- 前記石炭中に存在する27Alの核磁気共鳴スペクトルを測定し、該測定スペクトルのピーク位置と、カオリン鉱物、スメクタイト、雲母粘土鉱物またはAl2O3に相当するピーク位置とを照合し、無機鉱物の化学形態を分類することを特徴とする請求項2に記載の微粉炭の搬送性評価方法。
- 前記石炭中に存在する27Alの核磁気共鳴スペクトルを、27Al−マジック角回転(MAS)法、または、27Al−多量子マジック角回転(MQMAS)法を用いて測定することを特徴とする請求項2または3に記載の微粉炭の搬送性評価方法。
- 前記石炭中に存在する29Siの核磁気共鳴スペクトルを測定し、該測定スペクトルのピーク位置と、カオリン鉱物、スメクタイト、雲母粘土鉱物またはSiO2に相当するピーク位置とを照合し、無機鉱物の化学形態を分類することを特徴とする請求項2に記載の微粉炭の搬送性評価方法。
- 前記石炭の29Siの核磁気共鳴スペクトルを、29Si−マジック角回転(MAS)法を用いて測定することを特徴とする請求項2または5に記載の微粉炭の搬送性評価方法。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008275438A (ja) * | 2007-04-27 | 2008-11-13 | Nippon Steel Corp | 石炭中のスメクタイト類の定量方法 |
JP2011252219A (ja) * | 2010-06-03 | 2011-12-15 | Nippon Steel Corp | 焼結原料の調製方法 |
JP2013142622A (ja) * | 2012-01-11 | 2013-07-22 | Nippon Steel & Sumitomo Metal | 無機酸化物材料に含まれるエトリンガイト分子中の水分量の決定方法 |
JP2014021072A (ja) * | 2012-07-23 | 2014-02-03 | Nippon Steel & Sumitomo Metal | 無機酸化物材料に含まれるエトリンガイト分子中の水分量の決定方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4593369B2 (ja) * | 2005-06-02 | 2010-12-08 | 新日本製鐵株式会社 | 石炭中の無機鉱物の化学形態の推定方法 |
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JPH0426804A (ja) * | 1990-05-22 | 1992-01-30 | Sumitomo Electric Ind Ltd | 光ファイバカプラ |
JPH04224610A (ja) * | 1990-12-25 | 1992-08-13 | Sumitomo Metal Ind Ltd | 高炉羽口微粉炭吹き込み方法 |
JPH059518A (ja) * | 1991-07-04 | 1993-01-19 | Nippon Steel Corp | 高炉吹き込み用微粉炭の調整方法 |
JPH05214417A (ja) * | 1992-01-31 | 1993-08-24 | Sumitomo Metal Ind Ltd | 高炉羽口への微粉炭吹き込み操業方法 |
JPH0689382B2 (ja) * | 1986-02-26 | 1994-11-09 | 株式会社神戸製鋼所 | 粉体吹込み高炉操業法 |
JPH08100206A (ja) * | 1994-09-30 | 1996-04-16 | Kobe Steel Ltd | 微粉炭搬送性向上剤 |
JPH09133644A (ja) * | 1995-11-09 | 1997-05-20 | Nkk Corp | 石炭の有機酸素定量方法 |
JP2002194408A (ja) * | 2000-12-28 | 2002-07-10 | Nkk Corp | 反応炉内吹込み用微粉炭の製造方法 |
JP2002216106A (ja) * | 2001-01-16 | 2002-08-02 | Fuji Photo Film Co Ltd | エネルギーサブトラクション画像生成方法および装置 |
JP2003149186A (ja) * | 2001-11-13 | 2003-05-21 | Nippon Steel Corp | 固体無機材料の評価方法 |
JP2004317423A (ja) * | 2003-04-18 | 2004-11-11 | Nippon Steel Corp | 石炭中のカオリン類の定量方法 |
-
2004
- 2004-01-21 JP JP2004013229A patent/JP4181059B2/ja not_active Expired - Fee Related
Patent Citations (11)
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JPH0689382B2 (ja) * | 1986-02-26 | 1994-11-09 | 株式会社神戸製鋼所 | 粉体吹込み高炉操業法 |
JPH0426804A (ja) * | 1990-05-22 | 1992-01-30 | Sumitomo Electric Ind Ltd | 光ファイバカプラ |
JPH04224610A (ja) * | 1990-12-25 | 1992-08-13 | Sumitomo Metal Ind Ltd | 高炉羽口微粉炭吹き込み方法 |
JPH059518A (ja) * | 1991-07-04 | 1993-01-19 | Nippon Steel Corp | 高炉吹き込み用微粉炭の調整方法 |
JPH05214417A (ja) * | 1992-01-31 | 1993-08-24 | Sumitomo Metal Ind Ltd | 高炉羽口への微粉炭吹き込み操業方法 |
JPH08100206A (ja) * | 1994-09-30 | 1996-04-16 | Kobe Steel Ltd | 微粉炭搬送性向上剤 |
JPH09133644A (ja) * | 1995-11-09 | 1997-05-20 | Nkk Corp | 石炭の有機酸素定量方法 |
JP2002194408A (ja) * | 2000-12-28 | 2002-07-10 | Nkk Corp | 反応炉内吹込み用微粉炭の製造方法 |
JP2002216106A (ja) * | 2001-01-16 | 2002-08-02 | Fuji Photo Film Co Ltd | エネルギーサブトラクション画像生成方法および装置 |
JP2003149186A (ja) * | 2001-11-13 | 2003-05-21 | Nippon Steel Corp | 固体無機材料の評価方法 |
JP2004317423A (ja) * | 2003-04-18 | 2004-11-11 | Nippon Steel Corp | 石炭中のカオリン類の定量方法 |
Non-Patent Citations (4)
Title |
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AUSTIN L.G. ET AL.: "Upper wall slag deposits from American coals in utility boilers; a progress report on recent work", JOURNAL OF THE INSTITUTE OF ENERGY, vol. 59, no. 441, JPN6008025281, 1986, pages 196 - 205, ISSN: 0001050193 * |
S.P.BHATTACHARYA ET AL.: "Control of Agglomeration and Defluidization Burning High-Alkali, High-Sulfur Lignites in a Small Flu", ENERGY & FUELS, vol. 17, no. 4, JPN6008025284, July 2003 (2003-07-01), pages 1014 - 1021, ISSN: 0001050194 * |
金橋康二 他: "27 Al MQMAS, 29Si CP/MAS NMR による石炭中の無機成分の化学構造解析", 材料とプロセス, vol. 16, no. 3, JPN6008025278, 1 March 2003 (2003-03-01), pages 696, ISSN: 0001050192 * |
金橋康二 他: "27Al MQMASおよび1H→27Al CP/MQMAS NMR法による石炭中の無機成分の化学構造解析", 鉄と鋼, vol. 88, no. 11, JPN6008025276, 2002, pages 28 - 33, ISSN: 0001050191 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008275438A (ja) * | 2007-04-27 | 2008-11-13 | Nippon Steel Corp | 石炭中のスメクタイト類の定量方法 |
JP2011252219A (ja) * | 2010-06-03 | 2011-12-15 | Nippon Steel Corp | 焼結原料の調製方法 |
JP2013142622A (ja) * | 2012-01-11 | 2013-07-22 | Nippon Steel & Sumitomo Metal | 無機酸化物材料に含まれるエトリンガイト分子中の水分量の決定方法 |
JP2014021072A (ja) * | 2012-07-23 | 2014-02-03 | Nippon Steel & Sumitomo Metal | 無機酸化物材料に含まれるエトリンガイト分子中の水分量の決定方法 |
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