JP2019143183A - 成形焼結原料の製造方法および焼結鉱の製造方法 - Google Patents
成形焼結原料の製造方法および焼結鉱の製造方法 Download PDFInfo
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- JP2019143183A JP2019143183A JP2018026916A JP2018026916A JP2019143183A JP 2019143183 A JP2019143183 A JP 2019143183A JP 2018026916 A JP2018026916 A JP 2018026916A JP 2018026916 A JP2018026916 A JP 2018026916A JP 2019143183 A JP2019143183 A JP 2019143183A
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Abstract
Description
(2)また、本発明によれば、高強度の前記成形焼結原料を用いて焼結鉱を製造するため、高強度の焼結鉱を高い生産性をもって製造することができる。
(3)さらに、本発明によれば、有機バインダーとの併用が困難とされていた生石灰のような無機バインダーや多孔質副原料との併用が可能でより好ましい成形焼結原料およびこれを用いる焼結鉱の製造方法を提案できる。
2 ドラムミキサー
3 装入装置
4 焼結機パレット
5 点火炉
6 ウィンドボックス
7 破砕機
8 焼結機クーラー
9 篩
Claims (3)
- 鉄鉱石粉や炭材、副原料を含む配合焼結原料に対し、少なくともバインダーを添加し成形して成形焼結原料を製造する方法において、上記バインダーとしてセルロースナノファイバーを用いることを特徴とする成形焼結原料の製造方法。
- 前記鉄鉱石粉配合量に対する前記セルロースナノファイバーの添加量は、0.01mass%〜2.00mass%の範囲とすることを特徴とする請求項1に記載の成形焼結原料の製造方法。
- 請求項1または2に記載の成形焼結原料を、焼結機にて焼結することを特徴とする焼結鉱の製造方法。
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JP2019143183A true JP2019143183A (ja) | 2019-08-29 |
JP6848898B2 JP6848898B2 (ja) | 2021-03-24 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021091965A (ja) * | 2019-11-29 | 2021-06-17 | Jfeスチール株式会社 | 成形焼結原料の製造方法および焼結鉱の製造方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5020923B1 (ja) * | 1970-05-21 | 1975-07-18 | ||
JP2002285251A (ja) * | 2001-01-17 | 2002-10-03 | Kobe Steel Ltd | 焼結鉱の製造方法 |
JP2002371323A (ja) * | 2001-06-18 | 2002-12-26 | Nkk Corp | 通気性を改善した焼結鉱の製造方法及び装置 |
JP2009024190A (ja) * | 2007-07-17 | 2009-02-05 | Jfe Steel Kk | 成形焼結原料の製造方法 |
-
2018
- 2018-02-19 JP JP2018026916A patent/JP6848898B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5020923B1 (ja) * | 1970-05-21 | 1975-07-18 | ||
JP2002285251A (ja) * | 2001-01-17 | 2002-10-03 | Kobe Steel Ltd | 焼結鉱の製造方法 |
JP2002371323A (ja) * | 2001-06-18 | 2002-12-26 | Nkk Corp | 通気性を改善した焼結鉱の製造方法及び装置 |
JP2009024190A (ja) * | 2007-07-17 | 2009-02-05 | Jfe Steel Kk | 成形焼結原料の製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021091965A (ja) * | 2019-11-29 | 2021-06-17 | Jfeスチール株式会社 | 成形焼結原料の製造方法および焼結鉱の製造方法 |
JP7371610B2 (ja) | 2019-11-29 | 2023-10-31 | Jfeスチール株式会社 | 成形焼結原料の製造方法および焼結鉱の製造方法 |
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