JP6412646B2 - 溶銑製造炉の炉床用れんが - Google Patents
溶銑製造炉の炉床用れんが Download PDFInfo
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Description
しかもマトリックス部に、前記AlN多形サイアロンを5質量%以上含有する、溶銑製造炉の炉床用れんが。
(2)鉱物組成が、コランダム:40〜94質量%と、黒鉛及び/又はコークス:10質量%以下と、2Hδ型、27R型及び21R型から選択した1種又は2種以上のAlN多形サイアロン:5〜59質量%以下と、AlN:5質量%以下(0を含む)と、Si3N4:3質量%以下(0を含む)とからなり、
しかもマトリックス部に、前記AlN多形サイアロンを5質量%以上含有する、溶銑製造炉の炉床用れんが。
(3)マトリックス部に、前記AlN多形サイアロンを10〜25質量%、及びコランダムを5〜30質量%含有する、(1)又は(2)に記載の溶銑製造炉の炉床用れんが。
(4)骨材部に、前記AlN多形サイアロンを含有しない、(1)から(3)のいずれかに記載の溶銑製造炉の炉床用れんが。
(5)前記AlN多形サイアロンの結晶サイズが0.5mm以下である、(1)から(4)のいずれかに記載の溶銑製造炉の炉床用れんが。
実施例8は骨材部とマトリックス部とにAlN多形サイアロンを含有するもので、耐溶銑性、耐スラグ性及び耐水和性のいずれも優れる。
実施例9は、骨材部に黒鉛として鱗状黒鉛を含有するもので、とりわけ耐スラグ性に優れる。
実施例10は、マトリックス部がAlN多形サイアロンのみで構成されるもので、耐溶銑性、耐スラグ性及び耐水和性のいずれも優れる。
実施例11は、AlNとSi3N4を合計で5質量%含有するものであるが、耐溶銑性、耐スラグ性及び耐水和性に大きな悪影響はない。
Claims (5)
- 鉱物組成が、コランダム:40〜95質量%と、2Hδ型、27R型及び21R型から選択した1種又は2種以上のAlN多形サイアロン:5〜60質量%以下と、AlN:5質量%以下(0を含む)と、Si3N4:3質量%以下(0を含む)とからなり、
しかもマトリックス部に、前記AlN多形サイアロンを5質量%以上含有する、溶銑製造炉の炉床用れんが。 - 鉱物組成が、コランダム:40〜94質量%と、黒鉛及び/又はコークス:10質量%以下と、2Hδ型、27R型及び21R型から選択した1種又は2種以上のAlN多形サイアロン:5〜59質量%以下と、AlN:5質量%以下(0を含む)と、Si3N4:3質量%以下(0を含む)とからなり、
しかもマトリックス部に、前記AlN多形サイアロンを5質量%以上含有する、溶銑製造炉の炉床用れんが。 - マトリックス部に、前記AlN多形サイアロンを10〜25質量%、及びコランダムを5〜30質量%含有する、請求項1又は請求項2に記載の溶銑製造炉の炉床用れんが。
- 骨材部に、前記AlN多形サイアロンを含有しない、請求項1から請求項3のいずれかに記載の溶銑製造炉の炉床用れんが。
- 前記AlN多形サイアロンの結晶サイズが0.5mm以下である、請求項1から請求項4のいずれかに記載の溶銑製造炉の炉床用れんが。
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Application Number | Priority Date | Filing Date | Title |
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JP2015127937 | 2015-06-25 | ||
JP2015127937 | 2015-06-25 | ||
PCT/JP2016/068641 WO2016208666A1 (ja) | 2015-06-25 | 2016-06-23 | 溶銑製造炉の炉床用れんが |
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JPWO2016208666A1 JPWO2016208666A1 (ja) | 2017-12-28 |
JP6412646B2 true JP6412646B2 (ja) | 2018-10-24 |
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EP (1) | EP3315475B1 (ja) |
JP (1) | JP6412646B2 (ja) |
WO (1) | WO2016208666A1 (ja) |
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KR20190040008A (ko) * | 2016-12-28 | 2019-04-16 | 구로사키 하리마 코포레이션 | 고로 노상부용 벽돌 및 이를 사용한 고로 노상부와 고로 노상부용 벽돌의 제조 방법 |
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---|---|---|---|---|
FR2565964A1 (fr) * | 1984-06-13 | 1985-12-20 | Lafarge Refractaires | Nouveaux refractaires a haute teneur en alumine et leur procede d'obtention |
US5215947A (en) * | 1990-10-11 | 1993-06-01 | Savoie Refractaires | Refractory parts for devices for regulation or interruption of a jet of steel, made of refractory material |
FR2668478B1 (fr) * | 1990-10-24 | 1993-06-25 | Savoie Refractaires | Nouveau materiaux refractaires a matrice de sialon et procede de preparation. |
TW200938509A (en) * | 2007-12-07 | 2009-09-16 | Krosaki Harima Corp | Aluminum compound-bonded brick for furnace hearth |
JP6266968B2 (ja) * | 2013-12-11 | 2018-01-24 | 黒崎播磨株式会社 | 高炉炉床部の内張り構造 |
KR20190040008A (ko) * | 2016-12-28 | 2019-04-16 | 구로사키 하리마 코포레이션 | 고로 노상부용 벽돌 및 이를 사용한 고로 노상부와 고로 노상부용 벽돌의 제조 방법 |
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2016
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- 2016-06-23 WO PCT/JP2016/068641 patent/WO2016208666A1/ja active Application Filing
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