KR910011691A - Blast Furnace Refractory and Manufacturing Method Thereof - Google Patents

Blast Furnace Refractory and Manufacturing Method Thereof Download PDF

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Publication number
KR910011691A
KR910011691A KR1019890020390A KR890020390A KR910011691A KR 910011691 A KR910011691 A KR 910011691A KR 1019890020390 A KR1019890020390 A KR 1019890020390A KR 890020390 A KR890020390 A KR 890020390A KR 910011691 A KR910011691 A KR 910011691A
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South Korea
Prior art keywords
weight
magnesia
particles
binder
blast furnace
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KR1019890020390A
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Korean (ko)
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KR930000839B1 (en
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김효준
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정명식
포항종합제철 주식회사
박태준
재단법인 산업과학기술연구소
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Priority to KR1019890020390A priority Critical patent/KR930000839B1/en
Publication of KR910011691A publication Critical patent/KR910011691A/en
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Publication of KR930000839B1 publication Critical patent/KR930000839B1/en

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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

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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)
  • Ceramic Products (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

내용 없음No content

Description

고로출선통용 내화재 및 그 제조방법Blast Furnace Refractory and Manufacturing Method Thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (6)

MgO를 50중량%이상 함유하는, 입도분포가 10-5mm입자 : 6-8%, 5-3mm입자 : 30-35%, 3-1mm입자 : 20-30% 및 1mm이하입자 : 32-38%로 이루어지고, MgO를 50중량% 이상 함유하는 마그네시아 : 10-22중량% 흑연분말 : 4-7중량% 및 실리카프라워 : 7-15중량%, 소결알루미나 극미분 : 3-8중량%, SiC미분 (200F) : 5-10중량%, 금속 Si : 1-3중량% 및 결합제로 조성되는 것을 특징으로 하는 고로 출선통용 내화제.Particle size distribution containing 50% by weight or more of MgO: 10-5mm particles: 6-8%, 5-3mm particles: 30-35%, 3-1mm particles: 20-30% and less than 1mm particles: 32-38% Magnesia: 10-22% by weight graphite powder: 4-7% by weight and silica flower: 7-15% by weight, ultrafine sintered alumina: 3-8% by weight, SiC Fine powder (200F): 5-10% by weight, metal Si: 1-3% by weight and a binder for a blast furnace start characterized in that the composition. 제1항에 있어서, 마그네시아가 천연마그네시아 클링커, 감람석, 사문암, 해수마그네시아 큘링커 및 전융마그네시아 클링커로 구성된 그룹중에서 선택되는 적어도 1종 이상을 이루어지는 것을 특징으로 하는 고로 출선통용 내화제.The blast furnace refractory coating agent according to claim 1, wherein the magnesia comprises at least one selected from the group consisting of natural magnesia clinker, olivine, serpentine, seawater magnesia clinker and molten magnesia clinker. 제1항 또는 제2항에 있어서, 상기 결합제가 당일, PVA, 규산 소오다, 알킨산소다, CMC및 폴리글리세린으로 구성되는 것을 특징으로 하는 고로출선통용 내화제.The blast furnace conventional refractory agent according to claim 1 or 2, wherein the binder is composed of PVA, sodium silicate, sodium alkoxide, CMC, and polyglycerol on the same day. 입도분포가 10-5mm입자 : 6-8%, 5-3mm 입자 : 30-35%, 3-1mm 입자 : 20-30%, 및 1mm이하입자 : 32-38%로 이루어지고, MgO를 50중량% 이상함유하는 마그네시아 골재의 표면을 결합제로 도포한후, 마그네시아 100중량비에 대하여 3-8중량%의 알루미나 극미분, 7-15중량%의 실리카 플라워, 5-10중량%의 SiC미분 및 4-7중량%의 흑연분말을 혼련하고 이 혼합물을 결합제가 도포된 마그네시아 골재에 1차 도포하는 단계; 및 1차 도포된 마그네시아 골재의 표면을 결합제로 다시 도포한 후, 10-22중량%의 점토와 미분 마그네시아로 2차 도포하는 단계를 포함하는 것을 특징으로하는 고로출선통용 내화재의 제조방법.The particle size distribution consists of 10-5mm particles: 6-8%, 5-3mm particles: 30-35%, 3-1mm particles: 20-30%, and 1mm or less particles: 32-38%, and MgO is 50% After applying the surface of the magnesia aggregate containing more than% with a binder, 3-8% by weight of alumina ultrafine powder, 7-15% by weight silica flower, 5-10% by weight SiC fine powder and 4- with respect to 100% by weight magnesia Kneading 7% by weight graphite powder and first applying the mixture to the magnesia aggregate to which the binder is applied; And re-coating the surface of the first applied magnesia aggregate with a binder, followed by secondary coating with 10-22% by weight of clay and finely divided magnesia. 제4항에 있어서, 마그네시아가 천연마그네시아 클링커, 감람석, 사문암, 해수마그네시아 글링커 및 전융마그네시아클링커로 구성된 그룹중에서 선택되는 적어도 1종 이상으로 이루어지는 것을 특징으로 하는 고로 출선통용 내화재의 제조방법.The method according to claim 4, wherein the magnesia is composed of at least one selected from the group consisting of natural magnesia clinker, olivine, serpentine, seawater magnesia glinker, and electrolytic magnesia clinker. 제4항 또는 제5항에 있어서, 상기 결합제가 당밀, PVA, 균산소오다, CMC 및 폴리글리세린으로 구성되는 그룹중에서 선택되는 적어도 1종이상으로 이루어진 것을 특징으로 하는 고로 출선통용 내화재의 제조방법.The method according to claim 4 or 5, wherein the binder is at least one member selected from the group consisting of molasses, PVA, sodium hydroxide, CMC, and polyglycerol. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890020390A 1989-12-30 1989-12-30 Refractory material for a blast furnace and producing method thereof KR930000839B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890020390A KR930000839B1 (en) 1989-12-30 1989-12-30 Refractory material for a blast furnace and producing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890020390A KR930000839B1 (en) 1989-12-30 1989-12-30 Refractory material for a blast furnace and producing method thereof

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KR910011691A true KR910011691A (en) 1991-08-07
KR930000839B1 KR930000839B1 (en) 1993-02-06

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4336269C2 (en) * 1993-10-23 1995-09-21 Veitsch Radex Ag Use of a refractory ceramic mass
KR101023444B1 (en) * 2010-07-29 2011-03-24 주식회사 에코올리빈 Filler made of serpentinite in tap-hole of eccentric bottom tapping of electric arc furnace
ES2412454B1 (en) * 2011-10-14 2014-05-07 Refractaria, S.A. REFRACTORY PROTECTION MATERIAL FOR CLINKER OVENS (CEMENT) THAT AVOID THE THERMAL-CHEMICAL ATTACK WITHOUT TRAINING OR RINGS.

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