KR970042415A - Amorphous fire resistant composition with excellent spalling resistance - Google Patents

Amorphous fire resistant composition with excellent spalling resistance Download PDF

Info

Publication number
KR970042415A
KR970042415A KR1019950049557A KR19950049557A KR970042415A KR 970042415 A KR970042415 A KR 970042415A KR 1019950049557 A KR1019950049557 A KR 1019950049557A KR 19950049557 A KR19950049557 A KR 19950049557A KR 970042415 A KR970042415 A KR 970042415A
Authority
KR
South Korea
Prior art keywords
weight
less
particle diameter
alumina
spalling resistance
Prior art date
Application number
KR1019950049557A
Other languages
Korean (ko)
Other versions
KR100213317B1 (en
Inventor
이상완
Original Assignee
김종진
포항종합제철 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김종진, 포항종합제철 주식회사 filed Critical 김종진
Priority to KR1019950049557A priority Critical patent/KR100213317B1/en
Publication of KR970042415A publication Critical patent/KR970042415A/en
Application granted granted Critical
Publication of KR100213317B1 publication Critical patent/KR100213317B1/en

Links

Classifications

    • 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
    • C04B35/10—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 aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/117—Composites
    • C04B35/119—Composites with zirconium 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
    • 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
    • C04B35/6303—Inorganic additives
    • 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
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof

Landscapes

  • 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)
  • Composite Materials (AREA)
  • Ceramic Products (AREA)

Abstract

본 발명은 래들벽체, 열간 재사용 턴디쉬 내장 등 강제조용 각종설비의 내화물로 이용되는 알루미나-마그네시아-지르코니아계 부정형 내화물의 조성물에 관한 것이며, 그 목적은 내스폴링성이 우수한 부정형 내화조성물을 제공하고자 하는데 있다.The present invention relates to a composition of an alumina-magnesia-zirconia-based amorphous refractory used as a refractory material of various facilities for forcing such as ladle wall, hot reuse tundish, etc. The object is to provide an amorphous refractory composition excellent in spalling resistance have.

상기한 목적을 달성하기 위해 본 발명은 입경이 1㎜ 이하이며, 단사정 지르코니아를 10-35 중량% 포함하는 Al2O3-ZrO2계 클링커 : 10-35%, 입경 45㎛ 이하의 마그네시아 분말 : 1-6중량%, 입경 5㎛ 이하의 하소알루미나 분말 : 5-15 중량%, 알루미나 시멘트 : 6-14중량%, 및 입경 1㎜ 이상의 알루미나 클링커 : 40-65 중량%로 이루어지는 내스폴링성이 우수한 부정형 내화조성물에 관한 것을 그 기술적 요지로 한다.In order to achieve the above object, the present invention has a particle diameter of 1 mm or less, Al 2 O 3 -ZrO 2 -based clinker containing 10-35% by weight of monoclinic zirconia: Magnesia powder of 10-35%, particle diameter of 45㎛ or less : 1-6% by weight, calcined alumina powder having a particle diameter of 5 μm or less: 5-15% by weight, alumina cement: 6-14% by weight, and alumina clinker having a particle size of 1 mm or more: 40-65% by weight The technical gist of an excellent amorphous refractory composition is set forth.

Description

내스폴링성이 우수한 부정형 내화조성물Amorphous fire resistant composition with excellent spalling resistance

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

Claims (2)

입경이 1㎜ 이하이며, 단사정 지르코니아를 10-35 중량% 포함하는 Al2O3-ZrO2계 클링커 : 10-35중량%, 입경 45㎛ 이하의 마그네시아 분말 : 1-6중량%, 입경 5㎛ 이하의 하소알루미나 분말 : 5-15 중량%, 알루미나 시멘트 : 6-14중량%, 및 입경 1㎜ 이상의 알루미나 클링커 : 40-65 중량%로 이루어지는 것을 특징으로 하는 내스폴링성이 우수한 부정형 내화조성물.Al 2 O 3 -ZrO 2 -based clinker having a particle diameter of 1 mm or less and containing 10-35% by weight of monoclinic zirconia: 10-35% by weight, magnesia powder having a particle diameter of 45 µm or less: 1-6% by weight, and particle size 5 Calcined alumina powder having excellent spalling resistance, comprising: calcined alumina powder of 5 µm or less: 5-15% by weight, alumina cement: 6-14% by weight, and alumina clinker having a particle diameter of 1 mm or more: 40-65% by weight. 제1항에 있어서, 상기 마그네시아 분말의 첨가량이 부정형 내화조성물중의 ZrO2함량의 1/10 + 첨가된 하소알루미나 분말 함량의 1/3을 넘지 않는 것을 특징으로 하는 내스폴링성이 우수한 부정형 내화 조성물.The amorphous refractory composition having excellent spalling resistance according to claim 1, wherein the amount of the magnesia powder added is not more than 1/10 of the ZrO 2 content in the amorphous refractory composition plus 1/3 of the added calcined alumina powder. .
KR1019950049557A 1995-12-14 1995-12-14 Castable refractory composition KR100213317B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950049557A KR100213317B1 (en) 1995-12-14 1995-12-14 Castable refractory composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950049557A KR100213317B1 (en) 1995-12-14 1995-12-14 Castable refractory composition

Publications (2)

Publication Number Publication Date
KR970042415A true KR970042415A (en) 1997-07-24
KR100213317B1 KR100213317B1 (en) 1999-08-02

Family

ID=19439865

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950049557A KR100213317B1 (en) 1995-12-14 1995-12-14 Castable refractory composition

Country Status (1)

Country Link
KR (1) KR100213317B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040021226A (en) * 2002-09-03 2004-03-10 주식회사 포스코 Castable refractory containing magnesia

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040021226A (en) * 2002-09-03 2004-03-10 주식회사 포스코 Castable refractory containing magnesia

Also Published As

Publication number Publication date
KR100213317B1 (en) 1999-08-02

Similar Documents

Publication Publication Date Title
AU725355B2 (en) A refractory material based on chromium corundum, a chromium brick and the use of said brick
ES460970A1 (en) Cements and concretes which contain them
KR920009730A (en) Basic amorphous refractory
GB1105199A (en) Metallo-ceramic compositions for protection of metallic surfaces
ES8501355A1 (en) Mouldable refractory composition based on partially stabilized zirconia and a hydraulic aluminous binder, preparation thereof and articles produced thereby.
KR920000659A (en) Magnesia-alumina spinel clinker and preparation of refractory using the same
DE68901939D1 (en) THIN CERAMIC PARTS, RECEIVED BY MELTING AND POURING A COMPOSITION FROM THE AL2O3-ZRO2-SIO2-K2O SYSTEM.
KR970042415A (en) Amorphous fire resistant composition with excellent spalling resistance
BR8701949A (en) REFRACTORY COMPOSITION AND REFRACTORY BRICKS PRODUCED WITH THE SAME EMPLOYMENT
DE59904328D1 (en) FIRE-RESISTANT CERAMIC MASS AND ITS USE
RU2112761C1 (en) Charge for manufacturing refractory materials with distinct grain composition
KR960022380A (en) Basic Castable Refractory Composition
KR840006922A (en) Fireproof insulation slab
GB1413985A (en) Refractory magnesia
KR970015527A (en) Amorphous refractory composition of basic dam block for tundish
RU2028282C1 (en) Gunite-mass
SU1346616A1 (en) Refractory concrete mix
KR100265003B1 (en) Refractory material of magnesia-spinel type
SU1261925A1 (en) Composition for manufacturing refractory lining
GB1534784A (en) Wear resistant materials
KR930000423A (en) Ceramic Filter for Molten Aluminum Filtration
KR960022372A (en) Magnesia-Chromiazil fired brick
ES8307193A1 (en) Basic refractory cementitious material and components thereof
Matsuo PERFORMANCE RESULTS OF CASTABLE USING CORUNDUM SPINEL CLINKER FOR STEEL LADLE
KR910011691A (en) Blast Furnace Refractory and Manufacturing Method Thereof

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20030506

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee