JP2009263203A - 竪型炉用耐火物 - Google Patents
竪型炉用耐火物 Download PDFInfo
- Publication number
- JP2009263203A JP2009263203A JP2008293965A JP2008293965A JP2009263203A JP 2009263203 A JP2009263203 A JP 2009263203A JP 2008293965 A JP2008293965 A JP 2008293965A JP 2008293965 A JP2008293965 A JP 2008293965A JP 2009263203 A JP2009263203 A JP 2009263203A
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- JP
- Japan
- Prior art keywords
- refractory
- zro
- mass
- furnace
- slag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011819 refractory material Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002893 slag Substances 0.000 description 17
- 239000000203 mixture Substances 0.000 description 12
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 10
- 229910010271 silicon carbide Inorganic materials 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 9
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
【解決手段】ZrO2を主成分とする耐火物からなることを特徴とする竪型炉用耐火物を用いる。耐火物が、さらにCを3〜25mass%含有すること、耐火物が、さらにSiCを0.5〜15mass%含有すること、耐火物が粒径1mm以上のZrO2を10mass%以上含有することが好ましい。
【選択図】なし
Description
(1)ZrO2を主成分とする耐火物からなることを特徴とする竪型炉用耐火物。
(2)耐火物が、さらにCを3〜25mass%含有することを特徴とする(1)に記載の竪型炉用耐火物。
(3)耐火物が、さらにSiCを0.5〜15mass%含有することを特徴とする(2)に記載の竪型炉用耐火物。
(4)耐火物が、粒径1mm以上のZrO2を10mass%以上含有することを特徴とする(1)ないし(3)のいずれかに記載の竪型炉用耐火物。
Claims (4)
- ZrO2を主成分とする耐火物からなることを特徴とする竪型炉用耐火物。
- 耐火物が、さらにCを3〜25mass%含有することを特徴とする請求項1に記載の竪型炉用耐火物。
- 耐火物が、さらにSiCを0.5〜15mass%含有することを特徴とする請求項2に記載の竪型炉用耐火物。
- 耐火物が、粒径1mm以上のZrO2を10mass%以上含有することを特徴とする請求項1ないし請求項3のいずれかに記載の竪型炉用耐火物。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008293965A JP5309916B2 (ja) | 2008-04-01 | 2008-11-18 | シャフト炉の出銑口用耐火物及びシャフト炉の出銑口 |
Applications Claiming Priority (3)
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---|---|---|---|
JP2008094588 | 2008-04-01 | ||
JP2008094588 | 2008-04-01 | ||
JP2008293965A JP5309916B2 (ja) | 2008-04-01 | 2008-11-18 | シャフト炉の出銑口用耐火物及びシャフト炉の出銑口 |
Publications (2)
Publication Number | Publication Date |
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JP2009263203A true JP2009263203A (ja) | 2009-11-12 |
JP5309916B2 JP5309916B2 (ja) | 2013-10-09 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012096967A (ja) * | 2010-11-04 | 2012-05-24 | Jfe Steel Corp | ZrO2を含有するキャスタブル耐火物 |
JP2013147745A (ja) * | 2011-12-22 | 2013-08-01 | Jfe Steel Corp | サイフォン部 |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6397344A (ja) * | 1986-10-14 | 1988-04-28 | Kawasaki Refract Co Ltd | 連鋳用浸漬ノズル外挿耐火材 |
JPH03141158A (ja) * | 1989-10-25 | 1991-06-17 | Nippon Steel Corp | 低熱伝導性高炉用耐火物 |
JPH04310570A (ja) * | 1991-04-03 | 1992-11-02 | Nippon Steel Corp | 高炉用耐火物の製造方法 |
JPH05170560A (ja) * | 1991-12-24 | 1993-07-09 | Kurosaki Refract Co Ltd | 高炉出銑口充填材 |
JPH07316615A (ja) * | 1994-05-18 | 1995-12-05 | Nkk Corp | 高炉出銑口用スリーブ状耐火物 |
JPH10130053A (ja) * | 1996-05-01 | 1998-05-19 | Toshiba Ceramics Co Ltd | 鋳造用耐火物、連続鋳造用ノズル及びその製造方法 |
JPH11157927A (ja) * | 1997-11-26 | 1999-06-15 | Toshiba Ceramics Co Ltd | ジルコニア質不定形耐火物 |
JPH11256214A (ja) * | 1998-03-09 | 1999-09-21 | Nkk Corp | 高炉出銑口用スリーブ定型耐火物 |
JP2000212616A (ja) * | 1999-01-27 | 2000-08-02 | Kobe Steel Ltd | 高炉出銑口用スリ―ブ状耐火物 |
JP2001348272A (ja) * | 2000-06-01 | 2001-12-18 | Okayama Ceramics Gijutsu Shinko Zaidan | BN−SiC結合を有する複合耐火物の製造方法 |
JP2003286081A (ja) * | 2002-03-27 | 2003-10-07 | Akechi Ceramics Co Ltd | 灰溶融炉用耐火物 |
JP2004066251A (ja) * | 2002-08-01 | 2004-03-04 | Shinagawa Refract Co Ltd | 鋼の連続鋳造耐火部材用耐火物、および、該耐火物を用いた鋼の連続鋳造用ノズル |
JP2010100458A (ja) * | 2008-10-22 | 2010-05-06 | Jfe Steel Corp | 竪型炉用不定形耐火物 |
-
2008
- 2008-11-18 JP JP2008293965A patent/JP5309916B2/ja active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6397344A (ja) * | 1986-10-14 | 1988-04-28 | Kawasaki Refract Co Ltd | 連鋳用浸漬ノズル外挿耐火材 |
JPH03141158A (ja) * | 1989-10-25 | 1991-06-17 | Nippon Steel Corp | 低熱伝導性高炉用耐火物 |
JPH04310570A (ja) * | 1991-04-03 | 1992-11-02 | Nippon Steel Corp | 高炉用耐火物の製造方法 |
JPH05170560A (ja) * | 1991-12-24 | 1993-07-09 | Kurosaki Refract Co Ltd | 高炉出銑口充填材 |
JPH07316615A (ja) * | 1994-05-18 | 1995-12-05 | Nkk Corp | 高炉出銑口用スリーブ状耐火物 |
JPH10130053A (ja) * | 1996-05-01 | 1998-05-19 | Toshiba Ceramics Co Ltd | 鋳造用耐火物、連続鋳造用ノズル及びその製造方法 |
JPH11157927A (ja) * | 1997-11-26 | 1999-06-15 | Toshiba Ceramics Co Ltd | ジルコニア質不定形耐火物 |
JPH11256214A (ja) * | 1998-03-09 | 1999-09-21 | Nkk Corp | 高炉出銑口用スリーブ定型耐火物 |
JP2000212616A (ja) * | 1999-01-27 | 2000-08-02 | Kobe Steel Ltd | 高炉出銑口用スリ―ブ状耐火物 |
JP2001348272A (ja) * | 2000-06-01 | 2001-12-18 | Okayama Ceramics Gijutsu Shinko Zaidan | BN−SiC結合を有する複合耐火物の製造方法 |
JP2003286081A (ja) * | 2002-03-27 | 2003-10-07 | Akechi Ceramics Co Ltd | 灰溶融炉用耐火物 |
JP2004066251A (ja) * | 2002-08-01 | 2004-03-04 | Shinagawa Refract Co Ltd | 鋼の連続鋳造耐火部材用耐火物、および、該耐火物を用いた鋼の連続鋳造用ノズル |
JP2010100458A (ja) * | 2008-10-22 | 2010-05-06 | Jfe Steel Corp | 竪型炉用不定形耐火物 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012096967A (ja) * | 2010-11-04 | 2012-05-24 | Jfe Steel Corp | ZrO2を含有するキャスタブル耐火物 |
JP2013147745A (ja) * | 2011-12-22 | 2013-08-01 | Jfe Steel Corp | サイフォン部 |
Also Published As
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JP5309916B2 (ja) | 2013-10-09 |
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