KR960014070A - 용융 지르코니아 내화재료, 그 제조방법 및 그것을 이용한 내화제품 - Google Patents

용융 지르코니아 내화재료, 그 제조방법 및 그것을 이용한 내화제품 Download PDF

Info

Publication number
KR960014070A
KR960014070A KR1019940016439A KR19940016439A KR960014070A KR 960014070 A KR960014070 A KR 960014070A KR 1019940016439 A KR1019940016439 A KR 1019940016439A KR 19940016439 A KR19940016439 A KR 19940016439A KR 960014070 A KR960014070 A KR 960014070A
Authority
KR
South Korea
Prior art keywords
refractory material
zirconia
molten
molten zirconia
raw material
Prior art date
Application number
KR1019940016439A
Other languages
English (en)
Inventor
마사히로 다마끼
요시히로 오노다
고지 쯔다
Original Assignee
미와꼬 야쯔끼
니혼 켄마자이 고오교 가부시끼가이샤
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 미와꼬 야쯔끼, 니혼 켄마자이 고오교 가부시끼가이샤 filed Critical 미와꼬 야쯔끼
Publication of KR960014070A publication Critical patent/KR960014070A/ko

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
    • C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
    • C04B35/484—Refractories by fusion casting
    • 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
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
    • C04B2235/3248—Zirconates or hafnates, e.g. zircon
    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5427—Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • 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
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

본 발명은 SiO2량이 적고, 결정사이즈가 크며, 단립강도 및 경도가 높아, 내화재료로서 우수한 품질특성을 가짐과 동시에, 방사성 원소이 함유량이 적은 용융지르코니아 내화재료의 그 제조방법 및 내화재제품을 제공한다. 지르콘을출발원료로 한 탈규산 지르코니아 원료를 이용하여 SiO2량이 0.01∼0.5wt%이고, 결정사이즈가 실질적으로 모두 50∼300㎛ 이상이며, 단립강도가 적어도 30kgf, 경도가 적어도 10∼11GPa인 미안정화, 부분안정화 혹은 완전 안정화된용융 지르코니아 내화재료아 U 및 Th의 총량이 1,000ppm이하인상기 용융 지르코니아 내화재료를 사용한 내화재 제품 및 상기 용융 지르코니아 내화재료를 전기 용융법으로 제조하는 방법으로 이루어진다.

Description

용융 지르코니아 내화재료, 그 제조방법 및 그것을 이용한 내화제품
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (7)

  1. 지르콘을 출발원료로 한 탈규산 지르코니아 원료를 이용하여 SiO2량이 0.01∼0.5wt%이고, 결정사이즈가 실질적으로 모두 50㎛ 이상이며, 단립강도가 적어도 30kgf, 경도가 적어도 10GPa인 것을 특징으로 하는 미안정화 용융 지르코니아 내화재료.
  2. 지르콘을 출발원료로 한 탈규산 지르코니아 원료를 이용하여 SiO2량이 0.01∼0.5wt%이고, 결정사이즈가 실질적으로 모두 300㎛ 이상이며, 단립강도가 적어도 30kgf, 경도가 적어도 11GPa인 것을 특징으로 하는 부분 안정화 혹인 완전 안정화된 용융 지르코니아 내화재료.
  3. 제1항 또는 제2항에 있어서, 용융 지르코니아 내화재료에 포함되는 방사성 원소인 U 및 Th의 총량이 1,000ppm이하인 것을 특징으로 한하는 저방사성 용융 지르코니아 내화재료
  4. 지르콘을 출발원료로 한 탈규산 지르코니아 원료 단독 또는 탈규산 지르크니아 원료와 Cao, MgO, Y2O3및 Y2O3를 포함한 회토류 산화물로부터 선택되어진 1종류 혹은 2종류 이상의 안정화제를 첨가하여 혼합하고,아아크식 전기로에서 용융시킨후, 서서히 식혀 주괴(ingot)를 얻어, 분쇄 및 정제한 다음, 산화 소성처리를 하는 것을 특징으로 하는 미안정화, 부분안정화, 혹은 완전 안정화된 용융 지르코니아 내화재료의 제조방법.
  5. 제4항에 있어서, 탈규산 지르코니아 원료의 ZrO2순도가 적어도 95% 이상인 것을 특징으로 하는 용융 지르코니아 내화재료의 제조방법.
  6. 제4항에 있어서, 탈규산 지르코니아 원료의 ZrO2순도가 적어도 99% 이상인 것을 특징으로 하는 용융 지르코니아 내화재료의 제조방법.
  7. 제1항, 2항 또는 제3항 중 어느 한 항에 따른 용융 지르코니아 내화재료를 사용한 내화제품.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940016439A 1993-07-08 1994-07-08 용융 지르코니아 내화재료, 그 제조방법 및 그것을 이용한 내화제품 KR960014070A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP93/169212 1993-07-08
JP5169212A JP2927645B2 (ja) 1993-07-08 1993-07-08 溶融ジルコニア耐火材料及びその製造方法並びに耐火材製品

Publications (1)

Publication Number Publication Date
KR960014070A true KR960014070A (ko) 1996-05-22

Family

ID=15882288

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940016439A KR960014070A (ko) 1993-07-08 1994-07-08 용융 지르코니아 내화재료, 그 제조방법 및 그것을 이용한 내화제품

Country Status (7)

Country Link
EP (1) EP0633232A1 (ko)
JP (1) JP2927645B2 (ko)
KR (1) KR960014070A (ko)
AU (1) AU6737694A (ko)
BR (1) BR9402667A (ko)
CA (1) CA2127591A1 (ko)
ZA (1) ZA944948B (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2913013B1 (fr) * 2007-02-23 2009-12-18 Saint Gobain Ct Recherches Bloc refractaire fondu et coule a forte teneur en zircone
DE102007010173B4 (de) * 2007-02-28 2009-04-16 Refractory Intellectual Property Gmbh & Co. Kg Schmelzgegossenes feuerfestes Erzeugnis
JP5706615B2 (ja) 2007-12-06 2015-04-22 Ａｇｃセラミックス株式会社 耐火物粒子の製造方法
CN101928142B (zh) * 2010-08-24 2013-03-06 中钢集团洛阳耐火材料研究院有限公司 一种高纯氧化锆重质耐火制品及制备方法
RU2672972C2 (ru) * 2017-05-11 2018-11-21 Открытое акционерное общество "Первоуральский динасовый завод" (ОАО "ДИНУР") Способ получения чистого от углерода и карбидов плавленого диоксида циркония
FR3072092B1 (fr) 2017-10-11 2021-11-12 Saint Gobain Ct Recherches Procede de fabrication d'un bloc fondu a haute teneur en zircone
CN114229891B (zh) * 2021-12-20 2023-08-11 上海迈徕季冶金设备有限公司 一种通过热解和磁选制备晶体的装置及使用该装置制备氧化锆的方法
CN115385687A (zh) * 2022-08-16 2022-11-25 洛阳鸿科环境治理有限公司 一种氧化锆废料的再生方法及其生产设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288251A (en) * 1979-06-11 1981-09-08 Kureha Kagaku Kogyo Kabushiki Kaisha Reinforced electrocast zirconia refractories
EP0157366B1 (en) * 1984-04-03 1989-12-27 Kawasaki Steel Corporation Method of producing high purity zirconia powder from zircon powder
JPS62501555A (ja) * 1985-02-01 1987-06-25 コモンウエルス・サイエンテイフィック・アンド・インダストリアル・リサ−チ・オ−ガニゼイション 高純度ジルコニアの製造法
US4755365A (en) * 1985-03-22 1988-07-05 Kawasaki Steel Corporation Method of producing high purity zirconia powder from zircon powder
JPS6259576A (ja) * 1985-09-10 1987-03-16 旭硝子株式会社 高ジルコニア質熱溶融耐火物
JPH0717379B2 (ja) * 1990-06-07 1995-03-01 日本研磨材工業株式会社 高温耐熱性及び耐食性に優れた溶融ジルコニア耐火材料およびその製造方法並びに連続鋳造用ノズル

Also Published As

Publication number Publication date
AU6737694A (en) 1995-01-19
CA2127591A1 (en) 1995-01-09
JPH0753258A (ja) 1995-02-28
JP2927645B2 (ja) 1999-07-28
BR9402667A (pt) 1995-05-02
ZA944948B (en) 1995-03-22
EP0633232A1 (en) 1995-01-11

Similar Documents

Publication Publication Date Title
JP5549891B2 (ja) ガラス溶融炉のための耐火ブロック
US3837870A (en) Fused cast refractory products containing chromic oxide
JP5237377B2 (ja) 高ジルコニア含有量を有するドーピングされた耐火物
KR960014070A (ko) 용융 지르코니아 내화재료, 그 제조방법 및 그것을 이용한 내화제품
HU0100248D0 (en) Alumina-zirconium oxide-silicon oxide based products with improved microstructure, made in arc furnace
US4158569A (en) Fused refractory
US9233867B2 (en) Refractory block and glass furnace
EA023471B1 (ru) Огнеупорное изделие с высоким содержанием диоксида циркония
KR980001880A (ko) 유리 용융로로부터의 독성물 방출량을 감소시키기 위한 물 증강된 황산염 정련방법
EP1496026A1 (en) Low boron e-glass composition
WO2004094332A3 (fr) Produit refractaire pour element d'empilage d'un regenerateur d'un four verrier.
DE2248128A1 (de) Verschmolzener, feuerfester gusswerkstoff
US20020194882A1 (en) Method of reducing the boron required in a glass batch
JPS5527866A (en) Glass composition for fiber
GB2070582A (en) Refractory Materials
SU1278313A1 (ru) Декоративное стекло
FI78447C (fi) Tillsaettning av ferrokromslagg foer framstaellning av eldfasta och kemiskt bestaendiga fibrer.
JP4228842B2 (ja) 淡青色板ガラス
DE1596754B2 (de) Verfahren zur herstellung eines bernsteinfarbenen glases mit vorherbestimmten farbton unter verwendung einer hochofenschlacke
RU2065842C1 (ru) Шихта для шлакоситалла
SU903358A1 (ru) Плавленый огнеупорный материал
RU2062757C1 (ru) Стекло для стеклокристаллического материала
RU2098364C1 (ru) Декоративное стекло
Boesenberg et al. Fe and Mn systematics in experimental analogues of Murchison and a 65% H chondrite-35% CM chondrite
RO103529A2 (en) Production method of ceramic products from crystallized glass

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid