KR100916559B1 - 침적관 외부의 정형연와 내화재 - Google Patents
침적관 외부의 정형연와 내화재 Download PDFInfo
- Publication number
- KR100916559B1 KR100916559B1 KR1020020045434A KR20020045434A KR100916559B1 KR 100916559 B1 KR100916559 B1 KR 100916559B1 KR 1020020045434 A KR1020020045434 A KR 1020020045434A KR 20020045434 A KR20020045434 A KR 20020045434A KR 100916559 B1 KR100916559 B1 KR 100916559B1
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- KR
- South Korea
- Prior art keywords
- weight
- outside
- carbon
- slag
- pipe
- Prior art date
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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
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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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
-
- 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
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
-
- 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
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/428—Silicon
Abstract
Description
실시예 | 비교예 | ||||||
A | B | C | a | b | c | d | |
Mg0 | 87 | 85 | 83 | 91 | 89 | 81 | 79 |
C | 6 | 8 | 10 | 2 | 4 | 12 | 79 |
고온산화방지제 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
첨가제(Binder) | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
내 Spalling성 | O | O | O | X | X | O | O |
내산화성(산화층 두께㎜) 1200℃+3hrs | 1.8 | 2.0 | 2.2 | 1.5 | 1.6 | 4.2 | 5.3 |
지금부착 | O | O | O | X | △ | O | O |
Claims (1)
- 전로에서 출강된 용강의 불순물을 제거하기 위한 진공탈가스 처리 설비의 침적관 외부에 사용되는 내화재에 있어서,전융마그네시아(Mg0) 83~87중량%, 카본(C) 6~10중량%, 규소(Si) 3중량% 및 첨가제 페놀레진(Phenl resin) 4중량%로 조성된 정형 연와(100)들이 침적관 철피(25)외부에 서로 맞물리도록 요철이 형성되어 열간작업시 팽창, 수축이 반복되어도 가동중 탈락되는 것이 방지되도록 이루어지며, 상기 정형 연와(100)는 연와지지용 금물(102)과 하부케스터블(101)에 의해 지지시공되어 크랙 발생이 감소되는 것을 특징으로 하는 침적관 외부의 정형연와 내화재.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020045434A KR100916559B1 (ko) | 2002-07-31 | 2002-07-31 | 침적관 외부의 정형연와 내화재 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020045434A KR100916559B1 (ko) | 2002-07-31 | 2002-07-31 | 침적관 외부의 정형연와 내화재 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040012077A KR20040012077A (ko) | 2004-02-11 |
KR100916559B1 true KR100916559B1 (ko) | 2009-09-14 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020020045434A KR100916559B1 (ko) | 2002-07-31 | 2002-07-31 | 침적관 외부의 정형연와 내화재 |
Country Status (1)
Country | Link |
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KR (1) | KR100916559B1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06172020A (ja) * | 1992-12-07 | 1994-06-21 | Kurosaki Refract Co Ltd | マグネシア成分を含む耐火材料 |
KR0135315B1 (ko) * | 1995-12-29 | 1998-04-22 | 서상기 | 고강도 마그네시아-카본질 내화물 |
KR20000041151A (ko) * | 1998-12-21 | 2000-07-15 | 신승근 | 마그네시아-알루미나-탄화규소-카본계 내화물 및그 제조방법 |
JP2000309818A (ja) * | 1999-04-20 | 2000-11-07 | Nippon Steel Corp | 製鋼用転炉の出鋼口スリーブ耐火物 |
KR20020092943A (ko) * | 2000-02-16 | 2002-12-12 | 디디에르-베르케 아게 | 슬라이딩 플레이트와 그에 상응하는 슬라이딩 플레이트를위한 고리형 삽입물 |
-
2002
- 2002-07-31 KR KR1020020045434A patent/KR100916559B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06172020A (ja) * | 1992-12-07 | 1994-06-21 | Kurosaki Refract Co Ltd | マグネシア成分を含む耐火材料 |
KR0135315B1 (ko) * | 1995-12-29 | 1998-04-22 | 서상기 | 고강도 마그네시아-카본질 내화물 |
KR20000041151A (ko) * | 1998-12-21 | 2000-07-15 | 신승근 | 마그네시아-알루미나-탄화규소-카본계 내화물 및그 제조방법 |
JP2000309818A (ja) * | 1999-04-20 | 2000-11-07 | Nippon Steel Corp | 製鋼用転炉の出鋼口スリーブ耐火物 |
KR20020092943A (ko) * | 2000-02-16 | 2002-12-12 | 디디에르-베르케 아게 | 슬라이딩 플레이트와 그에 상응하는 슬라이딩 플레이트를위한 고리형 삽입물 |
Also Published As
Publication number | Publication date |
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KR20040012077A (ko) | 2004-02-11 |
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