KR970015533A - Basic Castable Refractory Composition - Google Patents

Basic Castable Refractory Composition Download PDF

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Publication number
KR970015533A
KR970015533A KR1019950030525A KR19950030525A KR970015533A KR 970015533 A KR970015533 A KR 970015533A KR 1019950030525 A KR1019950030525 A KR 1019950030525A KR 19950030525 A KR19950030525 A KR 19950030525A KR 970015533 A KR970015533 A KR 970015533A
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KR
South Korea
Prior art keywords
weight
castable refractory
refractory composition
less
basic castable
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KR1019950030525A
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Korean (ko)
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KR100240982B1 (en
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이상완
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김종진
포항종합제철 주식회사
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Priority to KR1019950030525A priority Critical patent/KR100240982B1/en
Publication of KR970015533A publication Critical patent/KR970015533A/en
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Publication of KR100240982B1 publication Critical patent/KR100240982B1/en

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66Monolithic refractories or refractory mortars, including those whether or not containing clay
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/03Shaped 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
    • C04B35/06Shaped 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 oxide mixtures derived from dolomite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63Preparing 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
    • C04B35/6303Inorganic additives
    • C04B35/6316Binders based on silicon compounds
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208Calcium oxide or oxide-forming salts thereof, e.g. lime
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
    • C04B2235/3248Zirconates or hafnates, e.g. zircon
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint

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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

본 발명은 염기성 캐스타블 내화조성물에 관한 것으로, 청정강 제조에 유리하며 내소화성, 내침식성, 내스폴링성 및 작업성이 우수한 초미분 결합 저시멘트의 염기성 캐스타블 내화조성물을 제공하고자 하는데, 그 목적이 있다.The present invention relates to a basic castable refractory composition, and to provide a basic castable refractory composition of ultra finely bonded low cement having excellent fire resistance, erosion resistance, spalling resistance and workability, which is advantageous for producing clean steel. The purpose is.

상기한 목적을 달성하기 위한 본 발명은 중량%로, 오토클레이브 소화시험법(3㎏/㎠, 2시간유지)에 의한 중량 증가율이 2.0중량% 이하이며, CaO함량이 55중량% 이상인 내소화성 돌로마이트 클링커 : 35∼60중량%, 입경 1㎛ 이하의 초미분 실리카 2∼6중량%, 3CaO SiO(Alite)를 65중량% 이상 함유하는 칼슘 실리케이트계 시멘트 결합재 : 2∼6중량%, 및 나머지 CaO를 40∼53mol% 함유한 입경 1㎜ 이하의 칼슘 지르코네이트 클링커로 조성됨을 특징으로 하는 염기성 캐스타블 내화조성물에 관한 것을 그 요지로 한다.The present invention for achieving the above object is a weight percent, the weight increase rate by the autoclave digestion test method (3 kg / ㎠, maintained for 2 hours) is 2.0% by weight or less, CaO content 55% by weight or more fire-resistant dolomite Clinker: 35 to 60% by weight, 2 to 6% by weight ultrafine silica having a particle diameter of 1 μm or less, calcium silicate-based cement binder containing 65% by weight or more of 3CaO SiO (Alite): 2 to 6% by weight and the remaining CaO The present invention relates to a basic castable refractory composition characterized by being composed of a calcium zirconate clinker having a particle diameter of 1 mm or less containing 40 to 53 mol%.

Description

염기성 캐스타블 내화조성물Basic Castable Refractory Composition

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (1)

중량%로, 오토클레이브 소화시험법(3㎏/㎠, 2시간유지)에 의한 중량 증가율이 2.0중량% 이하이며, CaO함량이 55중량% 이상인 내소화성 돌로마이트 클링커 : 35∼60중량%, 입경 1μm 이하의 초미분 실리카 : 2~6중량%, 3CaO SiO(Alite)를 65중량% 이상 함유하는 칼슘 실리케이트계 시멘트 결합재 : 2∼6중량%, 및 나머지 : CaO를 40∼53mol% 함유한 입경 1㎜ 이하의 칼슘 지르코네이트 클링커로 조성됨을 특징으로 하는 염기성 캐스타블 내화조성물.Extinguishing resistant dolomite clinker having a weight increase of 2.0% by weight or less and a CaO content of 55% by weight or more by the autoclave digestion test method (3 kg / cm 2, maintained for 2 hours): 35 to 60% by weight, particle size of 1 μm The following ultra fine silica: 2-6 wt%, calcium silicate cement binder containing 65 wt% or more of 3CaO SiO (Alite): 2-6 wt%, and the remainder: 1 mm of particle diameter containing 40-53 mol% of CaO Basic castable refractory composition characterized in that the composition is composed of the following calcium zirconate clinker. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임※ Note: The disclosure is based on the initial application.
KR1019950030525A 1995-09-18 1995-09-18 Castable refractory composition KR100240982B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950030525A KR100240982B1 (en) 1995-09-18 1995-09-18 Castable refractory composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950030525A KR100240982B1 (en) 1995-09-18 1995-09-18 Castable refractory composition

Publications (2)

Publication Number Publication Date
KR970015533A true KR970015533A (en) 1997-04-28
KR100240982B1 KR100240982B1 (en) 2000-02-01

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ID=19427125

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Application Number Title Priority Date Filing Date
KR1019950030525A KR100240982B1 (en) 1995-09-18 1995-09-18 Castable refractory composition

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Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2735865B2 (en) * 1989-03-15 1998-04-02 黒崎窯業株式会社 Spray repair material

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KR100240982B1 (en) 2000-02-01

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