JP4411306B2 - 還元ブリケットの製造方法 - Google Patents
還元ブリケットの製造方法 Download PDFInfo
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- JP4411306B2 JP4411306B2 JP2006234816A JP2006234816A JP4411306B2 JP 4411306 B2 JP4411306 B2 JP 4411306B2 JP 2006234816 A JP2006234816 A JP 2006234816A JP 2006234816 A JP2006234816 A JP 2006234816A JP 4411306 B2 JP4411306 B2 JP 4411306B2
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- briquette
- dust
- reduced
- dust collection
- reduction
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Manufacture And Refinement Of Metals (AREA)
Description
Claims (4)
- 鋼溶製時に発生する集塵ダストに、酸洗廃液処理時に発生するCaF2成分を含有する中和スラッジを2〜15質量%、炭材を10〜15質量%配合し、有機バインダーを外掛けで5〜10質量%加え、原料配合中の塩基度(CaO/SiO2)が0.3〜1.0の範囲になるように石灰源を配合し、この原料配合混合物を混練、成型してブリケットとし、このブリケットを還元焼成炉で雰囲気温度1250℃以上焼成時間25分以上で還元焼成することを特徴とする還元ブリケットの製造方法。
- 鋼溶製がステンレス鋼溶製であることを特徴とする請求項1に記載の還元ブリケットの製造方法。
- 集塵ダストがステンレス鋼溶製時に発生する電気炉集塵ダストと精錬炉集塵ダストの一方又は両方であることを特徴とする請求項2に記載の還元ブリケットの製造方法。
- 集塵ダストの最大粒径が150μm以下、中和スラッジの最大粒径が350μm以下であることを特徴とする請求項1乃至3のいずれかに記載の還元ブリケットの製造方法。
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JP2006234816A JP4411306B2 (ja) | 2006-08-31 | 2006-08-31 | 還元ブリケットの製造方法 |
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JP2006234816A JP4411306B2 (ja) | 2006-08-31 | 2006-08-31 | 還元ブリケットの製造方法 |
Publications (2)
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JP2008056986A JP2008056986A (ja) | 2008-03-13 |
JP4411306B2 true JP4411306B2 (ja) | 2010-02-10 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5466590B2 (ja) * | 2009-07-21 | 2014-04-09 | 株式会社神戸製鋼所 | 炭材内装塊成化物を用いた還元鉄製造方法 |
JP2011042870A (ja) * | 2009-07-21 | 2011-03-03 | Kobe Steel Ltd | アルカリ含有製鉄ダストを原料とする還元鉄の製造装置および製造方法 |
AU2011230263A1 (en) | 2010-03-25 | 2012-09-20 | Kabushiki Kaisha Kobe Seiko Sho | Carbon-material-containing iron oxide briquette composition, method for producing same, and method for producing reduced iron using same |
JP6409811B2 (ja) * | 2016-03-31 | 2018-10-24 | Jfeスチール株式会社 | クロム含有ダストのリサイクル方法 |
KR102645447B1 (ko) * | 2018-09-06 | 2024-03-12 | 주식회사 아이앤나 | 카메라장치 등록 방법 |
CN112391570B (zh) * | 2020-11-03 | 2021-08-24 | 福建三宝钢铁有限公司 | 一种深冲用冷轧基料的炼钢工艺 |
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