KR100916145B1 - 연속주조용 침지노즐의 내화물 - Google Patents
연속주조용 침지노즐의 내화물 Download PDFInfo
- Publication number
- KR100916145B1 KR100916145B1 KR1020080001723A KR20080001723A KR100916145B1 KR 100916145 B1 KR100916145 B1 KR 100916145B1 KR 1020080001723 A KR1020080001723 A KR 1020080001723A KR 20080001723 A KR20080001723 A KR 20080001723A KR 100916145 B1 KR100916145 B1 KR 100916145B1
- Authority
- KR
- South Korea
- Prior art keywords
- weight
- parts
- immersion nozzle
- continuous casting
- wall surface
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/64—Drying; Dehydration; Dehydroxylation
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
- C03B25/02—Annealing glass products in a discontinuous way
- C03B25/025—Glass sheets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/145—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by top-side transfer or supporting devices, e.g. lifting or conveying using suction
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/20—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by gripping tongs or supporting frames
- C03B35/202—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by gripping tongs or supporting frames by supporting frames
- C03B35/207—Construction or design of supporting frames
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
본 발명 실시예 | 비교발명 | |||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
배합 조성 (중량부) | 흑연 | 25 | 15 | 15 | 28 | 10 | 18 | 20 |
CaO·ZrO2 | 65 | 60 | 50 | 40 | 75 | 47.5 | 70 | |
CaO·SiO2 | 5 | 5 | 5 | 10 | 5 | 5 | 10 | |
2CaO·SiO2 | 4.8 | 14.5 | 14.5 | 21.5 | 19.5 | 28 | ||
B2O3 | 0.2 | 0.5 | 0.5 | 1.2 | 0.7 | 2.2 | ||
SiO2 | 5 | 15 | ||||||
물리 특성 | 기공율(%) | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
부피비중 | 2.69 | 2.72 | 2.65 | 2.65 | 2.77 | 2.74 | 2.76 | |
개재물(α-alumina) 부착두께(mm) | 0 | 0 | 0.2 | 0 | 0 | -2 | 1 | |
내열 충격 저항성 | 균열유무 | 無 | 無 | 無 | 無 | 無 | 有 | 無 |
열팽창율 (%,at1000℃) | 0.48 | 0.48 | 0.40 | 0.40 | 0.58 | 0.6 | 0.51 |
Claims (3)
- 칼슘지르코네이트 35∼85중량부, 흑연 10∼30중량부, 칼슘실리게이트(CaO·SiO2 ) 2∼13중량부, 2CaO·SiO2 3∼24중량부, B2O3 0.01∼2중량부 조성된 조성물이 용강의 연속주조용 침지노즐의 내공부를 갖는 내벽면 또는 토출공부의 내벽면에 배치하여서 됨을 특징으로 하는 연속주조용 침지노즐의 내화물
- 제 1항에 있어서,상기 조성에 SiO2 가 3∼ 20 중량부 포함됨을 특징으로 하는 연속주조용 침지노즐의 내화물
- 제 1항 또는 제 2항에 있어서,상기 조성물이 침지노즐의 내공부를 갖는 내벽면과 토출공부의 내벽면에 모두 배치하여서 됨을 특징으로 하는 연속주조용 침지노즐의 내화물
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080001723A KR100916145B1 (ko) | 2008-01-07 | 2008-01-07 | 연속주조용 침지노즐의 내화물 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080001723A KR100916145B1 (ko) | 2008-01-07 | 2008-01-07 | 연속주조용 침지노즐의 내화물 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090076011A KR20090076011A (ko) | 2009-07-13 |
KR100916145B1 true KR100916145B1 (ko) | 2009-09-08 |
Family
ID=41333180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080001723A KR100916145B1 (ko) | 2008-01-07 | 2008-01-07 | 연속주조용 침지노즐의 내화물 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100916145B1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101597254B1 (ko) * | 2014-10-31 | 2016-02-24 | 주식회사 포스코 | 연속주조용 침지노즐 |
KR101658182B1 (ko) * | 2014-11-11 | 2016-09-20 | 주식회사 포스코 | 노즐 |
KR20170119917A (ko) * | 2016-04-20 | 2017-10-30 | 주식회사 포스코 | 노즐 |
KR102083536B1 (ko) | 2017-11-14 | 2020-03-02 | 주식회사 포스코 | 침지노즐 및 용강 처리방법 |
KR102239241B1 (ko) | 2018-10-22 | 2021-04-12 | 주식회사 포스코 | 노즐 막힘 방지장치 및 노즐 막힘 방지방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR900009501A (ko) * | 1988-12-28 | 1990-07-04 | 하리마 세라믹 가부시기가이샤 | 연속주조용 침지노즐 내화물의 제조방법 |
KR910004514A (ko) * | 1988-12-23 | 1991-03-28 | 다야마 아끼라 | 연속주조용 침지(浸漬) 노즐내화물의 제조방법 |
KR940014253A (ko) * | 1992-12-29 | 1994-07-18 | 이화일 | 연속 주조용 침지 노즐 및 그 내화물 |
JP2000344575A (ja) | 1999-06-02 | 2000-12-12 | Akechi Ceramics Co Ltd | 高純度アルミニウム溶解用黒鉛含有耐火物 |
-
2008
- 2008-01-07 KR KR1020080001723A patent/KR100916145B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910004514A (ko) * | 1988-12-23 | 1991-03-28 | 다야마 아끼라 | 연속주조용 침지(浸漬) 노즐내화물의 제조방법 |
KR900009501A (ko) * | 1988-12-28 | 1990-07-04 | 하리마 세라믹 가부시기가이샤 | 연속주조용 침지노즐 내화물의 제조방법 |
KR940014253A (ko) * | 1992-12-29 | 1994-07-18 | 이화일 | 연속 주조용 침지 노즐 및 그 내화물 |
JP2000344575A (ja) | 1999-06-02 | 2000-12-12 | Akechi Ceramics Co Ltd | 高純度アルミニウム溶解用黒鉛含有耐火物 |
Also Published As
Publication number | Publication date |
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KR20090076011A (ko) | 2009-07-13 |
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