KR100723130B1 - 염기성 부정형 내화조성물 - Google Patents
염기성 부정형 내화조성물 Download PDFInfo
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- KR100723130B1 KR100723130B1 KR1020010051239A KR20010051239A KR100723130B1 KR 100723130 B1 KR100723130 B1 KR 100723130B1 KR 1020010051239 A KR1020010051239 A KR 1020010051239A KR 20010051239 A KR20010051239 A KR 20010051239A KR 100723130 B1 KR100723130 B1 KR 100723130B1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/03—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
- C04B35/04—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
- C04B35/043—Refractories from grain sized mixtures
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Products (AREA)
Abstract
Description
구분 | 실시예 | 비교예 | |||||||||||
1 | 2 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |||
제강 래들용 염기성 유입재 | MgO 크링커(wt%) | 70 | 69 | 77 | 70 | 70 | 68 | 70 | 70 | 70 | 70 | 70 | |
스피넬(MgAl2O4)크링커(wt%) | 20 | 25 | 20 | 18 | 20 | 22 | 20 | 20 | 20 | 20 | 20 | ||
초미분 하소 알루미나(wt%) | 10 | 6 | 3 | 12 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | ||
실리카 플라워(wt%) | +1 | +2 | +1 | +1 | - | +4 | +1 | +1 | +1 | +1 | +1 | ||
알루미나 시멘트(wt%) | - | - | - | - | - | - | +3 | - | - | - | - | ||
금속화이버(wt%) | +2 | +2 | +2 | +2 | +2 | +2 | +2 | - | +4 | +2 | +2 | ||
헥사메타 인산소다(wt%) | +0.1 | +0.1 | +0.1 | +0.1 | +0.1 | +0.1 | +0.1 | +0.1 | +0.1 | - | +0.6 | ||
첨가수(%) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | ||
유동도(mm) | 190 | 180 | 130 | 190 | 190 | 140 | 180 | 200 | 150 | 120 | 140 | ||
곡강도 (kg/cm2) | 110℃x24h | 55 | 60 | 30 | 60 | 35 | 65 | 65 | 50 | 45 | 50 | 55 | |
1000℃x3h | 70 | 75 | 40 | 80 | 30 | 80 | 80 | 70 | 60 | 60 | 75 | ||
1500℃x3h | 120 | 110 | 70 | 110 | 90 | 130 | 135 | 120 | 125 | 90 | 130 | ||
잔존선 변화율(%) | 1500℃x3h | +0.5 | +0.4 | -0.2 | +0.6 | +0.6 | -0.2 | -0.2 | +0.5 | +0.6 | +0.5 | +0.2 | |
열간선 변화율(%) | at 1000℃ | 1.3 | 1.1 | 1.0 | 1.7 | 1.5 | 0.6 | 0.7 | 1.2 | 1.8 | 1.2 | 1.0 | |
스폴링시험 결과 | 10 | 10 | 10 | 7 | 8 | 8 | 7 | 5 | 6 | 10 | 9 | ||
침식깊이(mm) | 8 | 8 | 10 | 12 | 9 | 15 | 17 | 8 | 15 | 10 | 12 | ||
침윤깊이(mm) | 4 | 5 | 7 | 8 | 8 | 5 | 5 | 5 | 10 | 5 | 5 |
Claims (2)
- 스피넬 크링커 분말 20~25중량%, 초미분 하소알루미나 5~10중량%, 나머지 마그네시아 클링커로 조성되는 기본조성과,이 기본조성에 대하여 외삽으로 초미분 실리카플라워 1~3.0중량%, 금속화이버 1~3중량%, 헥사메타인산소다 0.1~0.4중량%를 포함하여 조성되는 염기성 부정형 내화조성물.
- 제 1항에 있어서, 상기 금속화이버는 오스테나이트계 스테인레스 스틸임을 특징으로 하는 염기성 부정형 내화조성물.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020010051239A KR100723130B1 (ko) | 2001-08-24 | 2001-08-24 | 염기성 부정형 내화조성물 |
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KR1020010051239A KR100723130B1 (ko) | 2001-08-24 | 2001-08-24 | 염기성 부정형 내화조성물 |
Publications (2)
Publication Number | Publication Date |
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KR20030017108A KR20030017108A (ko) | 2003-03-03 |
KR100723130B1 true KR100723130B1 (ko) | 2007-05-30 |
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KR1020010051239A KR100723130B1 (ko) | 2001-08-24 | 2001-08-24 | 염기성 부정형 내화조성물 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101066573B1 (ko) | 2004-09-13 | 2011-09-22 | 재단법인 포항산업과학연구원 | 프리캐스팅 웰브록 및 그 웰브록의 내화조성물 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004004478U1 (de) * | 2004-03-19 | 2004-06-03 | Metallhüttenwerke Bruch GmbH | Drehtrommelofen zum Umschmelzen von Aluminium |
BRPI0707747B1 (pt) * | 2006-02-15 | 2018-08-28 | P Rodriguez Alonso | composição refratária e parede corta-fogo |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04182362A (ja) * | 1990-11-17 | 1992-06-29 | Kurosaki Refract Co Ltd | 塩基性質流し込み用耐火物 |
JPH06116049A (ja) * | 1992-10-08 | 1994-04-26 | Nippon Steel Corp | スピネル質不定形耐火物 |
JPH082960A (ja) * | 1994-06-15 | 1996-01-09 | Kurosaki Refract Co Ltd | タンディッシュ用塩基性質堰ブロック |
JPH10114580A (ja) * | 1996-10-07 | 1998-05-06 | Towa Taika Kogyo Kk | アルミナ−マグネシア質タンディシュコーティング材 |
KR20000043697A (ko) * | 1998-12-29 | 2000-07-15 | 이구택 | 마그네시아질 댐 블록의 내화 조성물 |
-
2001
- 2001-08-24 KR KR1020010051239A patent/KR100723130B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04182362A (ja) * | 1990-11-17 | 1992-06-29 | Kurosaki Refract Co Ltd | 塩基性質流し込み用耐火物 |
JPH06116049A (ja) * | 1992-10-08 | 1994-04-26 | Nippon Steel Corp | スピネル質不定形耐火物 |
JPH082960A (ja) * | 1994-06-15 | 1996-01-09 | Kurosaki Refract Co Ltd | タンディッシュ用塩基性質堰ブロック |
JPH10114580A (ja) * | 1996-10-07 | 1998-05-06 | Towa Taika Kogyo Kk | アルミナ−マグネシア質タンディシュコーティング材 |
KR20000043697A (ko) * | 1998-12-29 | 2000-07-15 | 이구택 | 마그네시아질 댐 블록의 내화 조성물 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101066573B1 (ko) | 2004-09-13 | 2011-09-22 | 재단법인 포항산업과학연구원 | 프리캐스팅 웰브록 및 그 웰브록의 내화조성물 |
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KR20030017108A (ko) | 2003-03-03 |
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