KR970042411A - High Strength Magnetizer-Carbon Refractory - Google Patents

High Strength Magnetizer-Carbon Refractory Download PDF

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Publication number
KR970042411A
KR970042411A KR1019950067298A KR19950067298A KR970042411A KR 970042411 A KR970042411 A KR 970042411A KR 1019950067298 A KR1019950067298 A KR 1019950067298A KR 19950067298 A KR19950067298 A KR 19950067298A KR 970042411 A KR970042411 A KR 970042411A
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KR
South Korea
Prior art keywords
weight
refractory
magnesia
carbon
high strength
Prior art date
Application number
KR1019950067298A
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Korean (ko)
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KR0135315B1 (en
Inventor
이승제
Original Assignee
서상기
포철로재 주식회사
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Application filed by 서상기, 포철로재 주식회사 filed Critical 서상기
Priority to KR1019950067298A priority Critical patent/KR0135315B1/en
Publication of KR970042411A publication Critical patent/KR970042411A/en
Application granted granted Critical
Publication of KR0135315B1 publication Critical patent/KR0135315B1/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
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • 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
    • C04B35/043—Refractories from grain sized mixtures
    • 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
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63472—Condensation polymers of aldehydes or ketones
    • C04B35/63476—Phenol-formaldehyde condensation polymers
    • 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
    • C04B2235/40—Metallic constituents or additives not added as binding phase
    • 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

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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)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

본 발명은 마그네시아-카본질(MgO-C) 내화물에 관한 것으로서, 특히 전기로의 바닥재로 사용되는 내화무의 강도와 내식성 내산화성을 향상시킬 목적으로, 전융마그네시아 내화재 10∼25중량%, 소결마그네시아 내화재 70∼85중량%, 85%급 인상흑연 3∼7중량%, 특수카본분말 1∼2.5중량%, 금속규소 1∼2.5중량%, 페놀계 화합물 결합제 4∼5중량%로 이루어지되, 고정탄소를 6∼7중량%로 유지하는 것을 특징으로 하는 마그네시아-카본질 내화물을 제공한다.The present invention relates to a magnesia-carbon (MgO-C) refractory, in particular 10 to 25% by weight of magnesia refractory material, sintered magnesia refractory material for the purpose of improving the strength and corrosion resistance oxidation resistance of the refractory radix used as the flooring material of the electric furnace 70 to 85% by weight, 3 to 7% by weight of 85% graded graphite, 1 to 2.5% by weight of special carbon powder, 1 to 2.5% by weight of silicon, 4 to 5% by weight of phenolic compound binder. A magnesia-carbon refractory material is provided, which is maintained at 6 to 7% by weight.

Description

고강도 마그네시아-카본질 내화물High Strength Magnesia-Carbon Refractory

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

Claims (2)

전용마그네시아 내화재 10∼25중량%, 소결마그네시아 내화재 70∼85중량%, 85%급 인상흑연 3∼7중량%, 특수카본분말 1∼2.5중량%, 금속규소 1∼2.5중량%, 페놀계 화합물 결합제 4∼5중량%로 이루어지되, 고정탄소를 6∼7중량%로 유지하는 것을 특징으로 하는 고강도 마그네시아-카본질 내화물.Exclusive Magnesia Refractory 10-25%, Sintered Magnesia Refractory 70-85%, 85% Grade Graphite 3-7%, Special Carbon Powder 1-2.5%, Metal Silicon 1-2.5%, Phenolic Compound Binder A high strength magnesia-carbon refractory comprising 4 to 5% by weight but maintaining fixed carbon at 6 to 7% by weight. 제1항에 있어서, 상기 페놀계 화합물 결합제는 4.4중량%를 유지하되, 액상 3.1중량%, 분말 1.3중량%의 조성비를 갖는 것을 특징으로 하는 고강도 마그네시아-카본질 내화물.The high-strength magnesia-carbon refractory of claim 1, wherein the phenolic compound binder maintains 4.4 wt% but has a composition ratio of 3.1 wt% of liquid and 1.3 wt% of powder.
KR1019950067298A 1995-12-29 1995-12-29 Magnesia carbon based refractory KR0135315B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950067298A KR0135315B1 (en) 1995-12-29 1995-12-29 Magnesia carbon based refractory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950067298A KR0135315B1 (en) 1995-12-29 1995-12-29 Magnesia carbon based refractory

Publications (2)

Publication Number Publication Date
KR970042411A true KR970042411A (en) 1997-07-24
KR0135315B1 KR0135315B1 (en) 1998-04-22

Family

ID=19447632

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950067298A KR0135315B1 (en) 1995-12-29 1995-12-29 Magnesia carbon based refractory

Country Status (1)

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KR (1) KR0135315B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100446871B1 (en) * 1999-12-21 2004-09-04 주식회사 포스코 Batch composition of refractories for preventing oxidation of back surface in carbon contained basic refractory brick

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100916559B1 (en) * 2002-07-31 2009-09-14 주식회사 포스코 fire block for outside of lance
KR101705230B1 (en) * 2010-12-27 2017-02-09 재단법인 포항산업과학연구원 REFRACTORY COMPOSITIONS OF PLUG FOR TAP HOLE OF CONVERTER USING BY WASTE Mg-Cr BRICK
KR101705231B1 (en) * 2010-12-27 2017-02-09 재단법인 포항산업과학연구원 REFRACTORY COMPOSITIONS OF HIGH STRENGTH PLUG FOR TAP HOLE OF CONVERTER USING BY WASTE Mg-Cr BRICK
KR101705232B1 (en) * 2010-12-27 2017-02-09 재단법인 포항산업과학연구원 Refractory compositions of plug for tap hole of converter using by waste refractory

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100446871B1 (en) * 1999-12-21 2004-09-04 주식회사 포스코 Batch composition of refractories for preventing oxidation of back surface in carbon contained basic refractory brick

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Publication number Publication date
KR0135315B1 (en) 1998-04-22

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