KR20020019701A - 용융금속 흐름 제어용 슬라이딩 플레이트 내화재 - Google Patents
용융금속 흐름 제어용 슬라이딩 플레이트 내화재 Download PDFInfo
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- KR20020019701A KR20020019701A KR1020000052702A KR20000052702A KR20020019701A KR 20020019701 A KR20020019701 A KR 20020019701A KR 1020000052702 A KR1020000052702 A KR 1020000052702A KR 20000052702 A KR20000052702 A KR 20000052702A KR 20020019701 A KR20020019701 A KR 20020019701A
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- Prior art keywords
- sliding plate
- steel
- weight
- molten metal
- mgo
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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
- C04B35/10—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
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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
-
- 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
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
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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
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
Description
입 도 | 종 래 | 본 발 명 실 시 예 | ||||
1 | 2 | 3 | ||||
원료 | 소결또는 전융Al2O3 | 4∼1mm | 5∼15 | - | (3-1mm)15∼30 | - |
0.2mm이하 | 10∼30 | - | 10∼20 | - | ||
0.044mm이하 | 10∼20 | 10 이하 | 10∼20 | 10 이하 | ||
소결또는 전융Al2O3또는 ZrO2-Al2O3,Mullite | 0.2mm이하 | 20∼50 | - | - | - | |
소결또는 전융스피넬 | 3∼1mm | 15∼25 | 15∼25 | - | ||
1mm 이하 | 25∼45 | 15∼25 | - | |||
소결또는 전융마그네시아 | 3∼1mm | 5∼20 | - | 25∼45 | ||
1mm 이하 | 5∼20 | - | 35∼55 | |||
가소Al2O3 | 50㎛이하 | 5∼10 | 10 이하 | 10 이하 | 10 이하 | |
금속Si | 0.02mm 이하 | 3∼5 | 7 이하 | 7 이하 | 7 이하 | |
탄소 | 0.2mm 이하 | 4∼6 | 1∼8 | 1∼8 | 1∼8 | |
산하방지제(탄화물이외) | 0.1∼0.5 | 0.5∼4.0 | 0.5∼4.0 | 0.5∼4.0 |
종 래 | 본 발 명 실 시 예 | ||||
1 | 2 | 3 | |||
물성 | 기공율(%) | 7∼13 | 6∼9 | 7∼10 | 1∼10 |
압축강도(kg/cm2) | 1200∼1700 | 1100∼1700 | 950∼1100 | 1000∼1250 | |
부피비중 | 3.0∼3.2 | 2.9∼3.0 | 2.9∼3.0 | 2.9∼3.0 | |
열팽창율(%)at 1000℃ | +0.6∼0.7 | +0.7∼0.9 | +0.6∼0.8 | +0.8∼1.0 | |
화학성분 | Al2O3 | 73∼92 | 36∼70 | 43∼64 | 7이하 |
ZrO2 | 12이하(SiO27이하) | MgO16∼50 | MgO22∼43 | MgO79∼94 | |
C(탄화물+산질화물+붕화물) | 6∼8 | 6∼14 | 6∼14 | 6∼14 | |
내침식성(%),(1650℃×5hr) | 100% | 80 | 70 | 70 | |
내열충격성 | 3분40초 | 2분20초 | 2분56초 | 2분02초 | |
구 분 | 일반강,STS강 | STS강,일반강,Mn및 Ca강,고산소강 | STS강,일반강,Mn및 Ca강,고산소강 | STS강,일반강,Mn,Ca강,고산소강 |
Claims (3)
- 알루미나(Al2O3) 5∼100중량부 또는 마그네시아 5∼100중량부 중에서 선택한 1종 이상, 탄소(C)1∼14중량부, Al, Mg, Si, Al-Mg, Al-Si중에서 1종 이상 10중량부 이하, 산화방지제 0.3∼5.0중량부로 조성됨을 특징으로 하는 용융금속 흐름 제어용 슬라이딩 플레이트 내화재.
- 제 1항에 있어서,상기 조성에 스피넬(Spinel)이 30∼70중량부 조성됨을 특징으로 하는 용융금속 흐름 제어용 슬라이딩 플레이트 내화재.
- 제 1항 또는 제 2항에 있어서,산화방지제가 탄화물, 붕화물, 산탄화물 (Oxycarbite), 질화물, 산질화 등의 비산화물계 또는 유리(Glass)질상 형성이 가능한 SiO2, B2O3, P2O3, V2O5계 산화물중에서 선택한 1종 이상임을 특징으로 하는 용융금속 흐름 제어용 슬라이딩 플레이트 내화재.
Priority Applications (1)
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KR10-2000-0052702A KR100384619B1 (ko) | 2000-09-06 | 2000-09-06 | 용융금속 흐름제어용 슬라이딩 플레이트 내화재 |
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KR10-2000-0052702A KR100384619B1 (ko) | 2000-09-06 | 2000-09-06 | 용융금속 흐름제어용 슬라이딩 플레이트 내화재 |
Publications (2)
Publication Number | Publication Date |
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KR20020019701A true KR20020019701A (ko) | 2002-03-13 |
KR100384619B1 KR100384619B1 (ko) | 2003-05-22 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115231907A (zh) * | 2022-09-22 | 2022-10-25 | 北京利尔高温材料股份有限公司 | 一种钒钛合金-刚玉复合滑板及其制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6246951A (ja) * | 1985-08-22 | 1987-02-28 | 黒崎窯業株式会社 | スライディングノズル用プレ−ト耐火物の製造方法 |
JPH03141152A (ja) * | 1989-10-24 | 1991-06-17 | Kawasaki Refract Co Ltd | 含炭素不焼成耐火れんが |
JPH10212159A (ja) * | 1997-01-27 | 1998-08-11 | Yotai Refractories Co Ltd | 炉床電極用アルミナ−マグネシア−カーボン系耐火物 |
JPH11114665A (ja) * | 1997-10-09 | 1999-04-27 | Kawasaki Refract Co Ltd | スライディングノズルプレート |
KR19990059266A (ko) * | 1997-12-30 | 1999-07-26 | 신승근 | 고내용성 마그네시아-카본질 내화물 |
KR100318497B1 (ko) * | 1999-04-12 | 2001-12-22 | 한종웅 | 용융금속 흐름제어용 슬라이딩 플레이트 내화재 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115231907A (zh) * | 2022-09-22 | 2022-10-25 | 北京利尔高温材料股份有限公司 | 一种钒钛合金-刚玉复合滑板及其制备方法 |
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