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    알루미나 소성체
    22.
    发明授权
    알루미나 소성체 有权
    铝氧化物烧结体

    公开(公告)号：KR100832826B1

    公开(公告)日：2008-05-28

    申请号：KR1020070027157

    申请日：2007-03-20

    申请人： 엔지케이 인슐레이터 엘티디

    发明人： 하토리아키요시 ,  모리유타카 ,  노보리가즈히로

    IPC分类号： C04B35/10 ,  C04B35/64 ,  C04B37/02

    CPC分类号： C04B35/101

    摘要： 본 발명은 제1 주요면(SF
    1 )과 매설 전극(2) 사이의 알루미나 기체(1)에 발생하는 크랙의 발생율을 낮추는 것을 목적으로 한다.
    알루미나 소성체는 대향하는 제1 주요면 및 제2 주요면을 갖는 알루미나 기체(1)와, 제1 주요면(SF
    1 )으로부터 0.4 ㎜ 이하의 깊이(H
    D )에서 알루미나 기체(1) 내에 매설된 금속으로 이루어지는 막형의 매설 전극(2)과, 매설 전극(2)보다도 제2 주요면(SF
    2 )측에서 알루미나 기체(1) 내에 매설된 매설 단자(3)를 구비한다. 매설 단자(3)는 매설 전극(2)에 접촉하고, 매설 전극(2)의 막 두께(H
    E )는 25 ㎛ 이하이다.

    자가유동성을 갖는 염기성 부정형 내화조성물
    24.
    发明公开
    자가유동성을 갖는 염기성 부정형 내화조성물 有权
    具有自流体的基本非晶态耐火材料组合物

    公开(公告)号：KR1020030052343A

    公开(公告)日：2003-06-27

    申请号：KR1020010082229

    申请日：2001-12-21

    申请人： 주식회사 포스코 ,  재단법인 포항산업과학연구원

    发明人： 정두화

    IPC分类号： C04B35/043

    CPC分类号： C04B35/043 ,  C04B28/06 ,  C04B35/101 ,  C04B35/14 ,  C04B35/632 ,  C04B35/66 ,  C04B2111/28 ,  C21C5/44

    摘要： PURPOSE: A basic amorphous refractory composition is provided, which has a self-fluidity, shows excellent erosion resistance and spalling resistance and can be used as the dam block for a tundish, the slag line part of a ladle or the precipitation pipe of RH equipment. CONSTITUTION: The basic amorphous refractory composition comprises 24-34 wt% of spinel clinker powder with a size of 0.074 mm or less; 5-10 wt% of calcined alumina fine powder; 2-3 wt% of alumina cement; 1-3.0 wt% of silica flower; the balance of magnesia clinker with a size of 1-5 mm; and additional component comprising 0.1-0.4 wt% of sodium hexametaphosphate and 0.01-0.02 wt% of citric acid. Preferably the total amount of the spinel clinker powder, the calcined alumina fine powder, the alumina cement and the silica flower is 35-45 wt%, and the size of the components is 0.074 mm or less.

    摘要翻译： 目的：提供一种基本的无定形耐火材料组合物，具有自流动性，显示出优异的抗侵蚀性和抗剥落性，可用作中间包的坝体块，浇包的渣线部分或RH设备的沉淀管 。 构成：基本无定形耐火材料组合物包含24-34wt％的尺寸为0.074mm或更小的尖晶石熟料粉末; 5-10重量％煅烧氧化铝细粉; 2-3重量％的氧化铝水泥; 1-3.0重量％的二氧化硅花; 余量为1-5毫米的镁砂熟料; 和另外的组分包含0.1-0.4重量％的六偏磷酸钠和0.01-0.02重量％的柠檬酸。 优选地，尖晶石熟料粉末，煅烧氧化铝细粉末，氧化铝水泥和二氧化硅花的总量为35-45重量％，并且组分的尺寸为0.074mm以下。

    알루미나ㆍ뮬라이트계 다공질 시트상 내화물 및 그 제조방법
    25.
    发明公开
    알루미나ㆍ뮬라이트계 다공질 시트상 내화물 및 그 제조방법 无效
    氧化铝多孔多孔耐火片及其制造方法

    公开(公告)号：KR1020010077900A

    公开(公告)日：2001-08-20

    申请号：KR1020000061172

    申请日：2000-10-18

    申请人： 미츠이 긴조쿠 고교 가부시키가이샤

    发明人： 코가켄이치로 ,  수미타쯔야 ,  우치다토미오 ,  호리우치코우시

    IPC分类号： C04B35/10 ,  C04B38/00

    CPC分类号： C04B38/067 ,  C04B35/10 ,  C04B35/185 ,  C04B35/66 ,  C04B2111/2084 ,  C04B2111/28 ,  C04B2111/40 ,  C04B35/101

    摘要： PURPOSE: To provide an alumina-mullite porous refractory sheet having excellent thermal shock resistance and remarkably improved high-temperature deflection resistance at e.g. 1,600deg.C and suitable for the baking of a ceramic substrate and slumina ceramic and provide a method for the production of the refractory sheet. CONSTITUTION: The objective alumina-mullite porous refractory sheet is a fired material composed of 50-85 wt.% aggregate component composed of electromelted and/or sintered alumina and electromilted mullite and having a particle diameter of 10-150 μm, 15-50 wt.% binder component composed of alumina and mullite and inevitable impurities and having a porosity of 10-40%. The method for the production of the alumina-mullite porous referactory sheet comprises the mixing of an organic binder, water and the aggregate to a binder composed of alumina and fine silica powder and/or clay at a compositional ratio to give the objective binder component after burning, the kneading of the mixture, the forming of the kneaded mixture to a sheet and the burning of the sheet after drying.

    摘要翻译： 目的：提供耐热冲击性优异的氧化铝 - 莫来石多孔耐火材料片，例如提供显着提高的耐高温挠曲性。 1600℃，适用于烧结陶瓷基体和硅酸盐陶瓷，并提供生产耐火材料片的方法。 构成：目标氧化铝 - 莫来石多孔耐火板是由50-85重量％的由电解和/或烧结的氧化铝和电解莫来石组成的并且具有10-150μm的粒径，15-50wt 由氧化铝和莫来石组成的％粘合剂组分和不可避免的杂质，并且具有10-40％的孔隙率。 生产氧化铝 - 莫来石多孔介入片的方法包括将有机粘合剂，水和骨料与氧化铝和细二氧化硅粉末和/或粘土组成的粘合剂以组成比混合，得到目标粘合剂组分 燃烧，混合物的捏合，捏合的混合物形成片材和干燥后的片材的燃烧。

    고로 출선구 주변 보수용 압입재 내화조성물
    26.
    发明公开
    고로 출선구 주변 보수용 압입재 내화조성물 有权
    焚烧炼铁炉组合炉

    公开(公告)号：KR1020010018902A

    公开(公告)日：2001-03-15

    申请号：KR1019990035043

    申请日：1999-08-23

    申请人： 재단법인 포항산업과학연구원 ,  주식회사 포스코 ,  조선내화 주식회사

    发明人： 김효준 ,  김규창

    IPC分类号： C04B35/10

    CPC分类号： C04B35/66 ,  C04B35/101 ,  C04B35/6303 ,  C04B2235/3418 ,  C21B7/12

    摘要： PURPOSE: An intruding refractory composition for repairing around iron tapping outlet is provided, which has high intrusion property and adhesive strength, resulting in prevention of gas outflow. CONSTITUTION: The composition comprises 5-10wt.% and 20-30wt.% of sintered Al2O3 (purity≧98%) having a particle size of 1-3mm and up to 0.004mm, respectively, 55-60wt.% of bauxite(containing Al2O3 more than 60%) having a particle size of 0.047mm, 5-7wt.% of ultrafine SiO2 as a sintering aid, 3-7wt.% of Al2O3 cement and 0.1wt.% of sodium hexametaphosphate as a dispersant.

    摘要翻译： 目的：提供一种用于在铁出口周围进行修复的入侵耐火材料组合物，具有高侵入性和粘合强度，从而防止气体流出。 构成：该组合物包含5-10重量％和20-30重量％的烧结Al 2 O 3（纯度≥98％），其粒度分别为1-3毫米和高达0.004毫米，55-60重量％的铝土矿（含 Al 2 O 3大于60％），作为烧结助剂的超细SiO 2为5-7wt％，Al 2 O 3水泥为3〜7wt％，作为分散剂的六偏磷酸钠为0.1wt％。

    시멘트를 함유하지 않은 고알루미나질 캐스타블
    27.
    发明公开
    시멘트를 함유하지 않은 고알루미나질 캐스타블 无效
    超声波氧化铝粉末，不含水泥

    公开(公告)号：KR1020000072317A

    公开(公告)日：2000-12-05

    申请号：KR1020000050302

    申请日：2000-08-29

    申请人： 윤병철

    发明人： 윤병철 ,  윤기수 ,  문정호

    IPC分类号： C04B35/101 ,  C04B35/66

    CPC分类号： C04B35/101 ,  C04B35/18 ,  C04B35/6303 ,  C04B35/66 ,  C04B2111/28 ,  C04B2235/5216 ,  C04B2235/522

    摘要： PURPOSE: Ultrafine alumina powder castable without having cement is provided for more strength than an existing castable by using an electrostatic interaction of ultrafine alumina powder as a binder at low temperature and high temperature, and for abrasion resistance, erosion resistance, explosion resistance and less contraction. CONSTITUTION: Ultrafine alumina powder castable without having cement comprises 30-45 wt.% of alumina having 3-10mm of a particle size; 9-20 wt.% of alumina having 1-5mm of a particle size; 15-27 wt.% of alumina having 1-0.074mm of a particle size; 5-15 wt.% of alumina having 150-250 mesh of a particle size; 5-17 wt.% of alumina having 200-400 mesh of a particle size; 5-15 wt.% of ultrafine alumina having 500-1,500 mesh of a particle size; and 1-10 wt.% of inorganic binder having 150-250 mesh of a particle size, less than 40 wt.% of silica sand and higher than 60 wt.% of alumina. Moreover, the ultrafine alumina powder castable adds one more compound from silica fiber or steel fiber.

    摘要翻译： 目的：通过在低温高温下使用超细氧化铝粉末作为粘合剂的静电相互作用，提供不含水泥的超细氧化铝粉末，比现有浇注料具有更强的强度，并具有耐磨性，耐腐蚀性，耐爆炸性和较小的收缩 。 构成：不含水泥的超细氧化铝粉末浇注料包含30-45重量％的具有3-10毫米粒径的氧化铝; 9-20重量％的具有1-5毫米粒径的氧化铝; 15-27重量％的具有1-0.074毫米粒度的氧化铝; 5-15重量％的具有150-250目粒度的氧化铝; 5-17重量％的具有粒径为200-400目的氧化铝; 5-15重量％的具有500-1,500目粒度的超细氧化铝; 和1-10重量％的无机粘合剂，其具有150-250目的粒度，小于40重量％的硅砂和高于60重量％的氧化铝。 此外，超细氧化铝粉末浇注料可从二氧化硅纤维或钢纤维中再添加一种化合物。

    부정형 내화조성물
    28.
    发明公开
    부정형 내화조성물 无效
    无机阻燃组合物

    公开(公告)号：KR1020000025500A

    公开(公告)日：2000-05-06

    申请号：KR1019980042597

    申请日：1998-10-12

    申请人： 재단법인 포항산업과학연구원

    发明人： 조문규 ,  이성영

    IPC分类号： C04B35/10

    CPC分类号： C04B35/66 ,  C04B35/043 ,  C04B35/101

    摘要： PURPOSE: An alumina-based amorphous fireproof composition is provided, to improve corrosion-resistance and permeation-resistance against CaO-Al2O3-SiO2-type slag having a low ratio of CaO/Al2O3. CONSTITUTION: In an alumina-based amorphous fireproof composition having the content of Al2O3 being more than 85wt%, the composition consists in adding (a) MgO-Al2O3 powder in a ratio of MgO/Al2O3 being 0.67-1.5 and (b) MgO-Al2O3 powder in a ratio of MgO/Al2O3 being 0.11-0.25, (c) in an additional ratio of (a)/(b) being 0.4-2.5, wherein 15-25wt% of MgO-Al2O3 powder is added, based on the total weight of the composition.

    摘要翻译： 目的：提供一种氧化铝基非晶态防火组合物，以提高CaO / Al2O3比例低的CaO-Al2O3-SiO2型炉渣的耐腐蚀性和耐渗透性。 构成：在Al2O3含量大于85重量％的氧化铝基非晶态耐火组合物中，组成为：（a）MgO / Al 2 O 3比例为0.67-1.5的MgO-Al 2 O 3粉末和（b）MgO- 以MgO / Al2O3为比例的Al2O3粉末为0.11-0.25，（c）（a）/（b）的额外比例为0.4-2.5，其中添加15-25重量％的MgO-Al 2 O 3粉末，基于 组合物的总重量。