JP4273099B2 - 製鋼用電気炉内張り補修用吹付材およびこれを使用した製鋼用電気炉内張りの吹付け補修方法 - Google Patents
製鋼用電気炉内張り補修用吹付材およびこれを使用した製鋼用電気炉内張りの吹付け補修方法 Download PDFInfo
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Description
2 吹付材
3 MgO−C質れんが
4 水冷ジャケット
5 内張りれんが
6 耐火スタンプ材
Claims (6)
- 天然原料であるかんらん岩を1000℃以上で焼成した焼成オリビンが25〜80質量%を占め、残部は焼成マグネシアおよび/または電融マグネシアを主体とした耐火原料であって、粒度1mm以上の粗粒と粒度1mm未満の微粒とよりなり、前記粗粒が前記焼成オリビンのみで構成されているか、あるいは前記粗粒においては前記焼成オリビンが前記焼成マグネシアおよび/または電融マグネシアより多く存在する前記耐火原料と、結合剤とを有する製鋼用電気炉内張り補修用吹付材。
- 焼成マグネシアおよび/または電融マグネシアが、化学成分でSiO2を1〜10質量%含む請求項1記載の製鋼用電気炉内張り補修用吹付材。
- 焼成マグネシアおよび/または電融マグネシアの一部または全部が、化学成分値でMgOを少なくとも60質量%含むマグネシア質および/またはマグネシア−スピネル質の耐火れんが廃材である請求項1記載の製鋼用電気炉内張り補修用吹付材。
- 耐火れんが廃材が、化学成分でSiO2を1〜10質量%含む請求項3記載の製鋼用電気炉内張り補修用吹付材。
- 耐火原料が、耐火粘土をさらに10質量%以下含む請求項1〜4のいずれか1項記載の製鋼用電気炉内張り補修用吹付材。
- 乾式吹付け施工方法により、請求項1〜5のいずれか1項記載の製鋼用電気炉内張り補修用吹付材をもってスラグライン部を補修する製鋼用電気炉内張りの吹付け補修方法。
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KR100890626B1 (ko) * | 2008-08-29 | 2009-03-27 | (주)원진월드와이드 | 제철/제강용 설비의 내화성 보수재 원료, 그 제조방법 및 그를 포함하는 보수재 |
KR101026214B1 (ko) * | 2008-09-30 | 2011-03-31 | 박호성 | 합성 마그네시아를 함유한 전기로 스프레이재 |
KR100973655B1 (ko) | 2008-10-10 | 2010-08-02 | 주식회사 포스코 | 소결성이 우수한 마그네시아질 스탬프재 |
JP5447355B2 (ja) * | 2010-12-02 | 2014-03-19 | 新神戸電機株式会社 | 熱硬化性樹脂組成物の製造法、プリプレグおよび積層板の製造法 |
JP5419231B2 (ja) * | 2011-08-02 | 2014-02-19 | 黒崎播磨株式会社 | 不定形耐火物 |
JP6735064B2 (ja) * | 2015-02-19 | 2020-08-05 | 株式会社セラテクノ | 直流電気炉用熱間補修材 |
EP3103780A1 (de) * | 2015-06-10 | 2016-12-14 | Refractory Intellectual Property GmbH & Co. KG | Feuerfestes keramisches erzeugnis, verwendung eines solchen erzeugnisses, elektrolichtbogenofen mit abstichkanal, verfahren zur füllung des abstichkanals eines elektrolichtbogenofens sowie versatz zur herstellung eines feuerfesten keramischen erzeugnisses |
JP6374926B2 (ja) * | 2016-09-08 | 2018-08-15 | 昭和セラミックス株式会社 | 補修用不定形耐火物及び補修方法 |
CN109809808B (zh) * | 2017-11-20 | 2021-09-07 | 鞍山市和丰耐火材料有限公司 | 一种冶炼精品钢用耐渣侵性能镁尖晶石砖及其制备方法 |
CN108046771B (zh) * | 2017-12-25 | 2020-02-07 | 湖南湘钢瑞泰科技有限公司 | 一种转炉用补炉料及其制备方法和应用 |
JP6882587B1 (ja) * | 2020-11-11 | 2021-06-02 | 黒崎播磨株式会社 | 焼成炉用の乾式吹付材 |
JP6880428B1 (ja) * | 2020-11-13 | 2021-06-02 | 品川リフラクトリーズ株式会社 | 吹付耐火組成物及びその製造方法 |
WO2024018074A1 (en) * | 2022-07-21 | 2024-01-25 | Calderys France | Castable refractory compositions and manufacturing methods |
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JPS58185485A (ja) * | 1982-04-22 | 1983-10-29 | アイコ−株式会社 | 被覆または充填用不定形耐火組成物 |
JPH04130066A (ja) * | 1990-09-20 | 1992-05-01 | Harima Ceramic Co Ltd | マグネシア―オリビン系不定形耐火材料 |
JPH05339615A (ja) * | 1992-06-10 | 1993-12-21 | Daido Steel Co Ltd | 製鋼廃れんがの有効活用方法 |
JPH10101440A (ja) * | 1996-09-25 | 1998-04-21 | Harbison Walker Refractories Co | 繊維補強吹付ミックス |
JP2000344581A (ja) * | 1999-06-01 | 2000-12-12 | Mintekku Japan Kk | 溶鋼鍋湿式吹き付け材及び吹き付け方法 |
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