公开(公告)号：JP4960574B2

公开(公告)日：2012-06-27

申请号：JP2003117580

申请日：2003-04-22

Applicant: 黒崎播磨株式会社

Inventor： 浩二 緒方

IPC: B22D11/10 ,  C04B35/06 ,  B22D41/54

公开(公告)号：JP4945257B2

公开(公告)日：2012-06-06

申请号：JP2007027261

申请日：2007-02-06

Applicant: 新日本製鐵株式会社 ,  黒崎播磨株式会社

Inventor： 智 伊藤 ,  泰次郎 松井 ,  新一 福永 ,  哲生 続木 ,  尚裕 野中 ,  俊博 駿河

IPC: C04B35/103 ,  B22D41/02 ,  C04B35/00 ,  F27D1/00

Abstract: PROBLEM TO BE SOLVED: To provide a refractory which is drastically improved in the spalling resistance as a refractory used for continuous casting of molten metal. SOLUTION: The refractory used for continuous casting of molten metal contains a refractory powder comprising at least one of alumina and silica as a main component, COPYRIGHT: (C)2008,JPO&INPIT

公开(公告)号：JP2012101250A

公开(公告)日：2012-05-31

申请号：JP2010251953

申请日：2010-11-10

Applicant: Kurosaki Harima Corp ,  黒崎播磨株式会社

Inventor： TSUZUKI TETSUO ,  YAMAMOTO MASAKI ,  KIYOMOTO YOSUKE ,  FURUKAWA HIROKI

IPC: B22D41/58

Abstract: PROBLEM TO BE SOLVED: To provide a gas blowing nozzle in which even if a metallic case surrounding an outer peripheral surface of a nozzle body deforms, gas leak hardly occurs, and which makes it possible to blow gas uniformly from whole in a height direction of a nozzle inner hole.SOLUTION: The gas blowing nozzle 2 has a nozzle inner hole 2b through which a molten metal passes, and blows gas from a surface of the nozzle inner hole 2b, wherein a second permeability refractory 2a-2 is arranged to an outer peripheral side of a first permeability refractory 2a-1 which has the nozzle inner hole 2b, a gas supply pipe 4 is connected to the second permeability refractory 2a-2, an average pore diameter of the first permeability refractory 2a-1 is less than 50 μm, and an average pore diameter of the second permeability refractory 2a-2 is at least 70 μm.

Abstract translation: 要解决的问题：为了提供一种气体喷射喷嘴，其中即使围绕喷嘴体的外周面的金属壳体变形，几乎不发生气体泄漏，并且这使得可以将气体从全部均匀地吹入 喷嘴内孔的高度方向。 解决方案：气体吹入喷嘴2具有喷嘴内孔2b，熔融金属穿过该内孔2b，并从喷嘴内孔2b的表面吹出气体，其中第二渗透性耐火材料2a-2布置在外周 具有喷嘴内孔2b的第一导电性耐火材料2a-1的侧面，与第二导电性耐火材料2a-2连接的气体供给管4，第一导电性耐火材料2a-1的平均孔径小于50μm ，第二导电性耐火材料2a-2的平均孔径为70μm以上。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2012087026A

公开(公告)日：2012-05-10

申请号：JP2010236587

申请日：2010-10-21

Applicant: Kurosaki Harima Corp ,  黒崎播磨株式会社

Inventor： SUGAWARA JUN

IPC: C04B35/195

CPC classification number: C04B35/195 ,  C04B35/62695 ,  C04B35/638 ,  C04B35/645 ,  C04B2235/3206 ,  C04B2235/3217 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3229 ,  C04B2235/3418 ,  C04B2235/3472 ,  C04B2235/3481 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/658 ,  C04B2235/80 ,  C04B2235/9607 ,  C04B2235/963

Abstract: PROBLEM TO BE SOLVED: To drastically improve the precision polishing characteristic of a cordierite-based sintered body which has low thermal expansibility, high dimensional long-term stability and high rigidity (high elastic modulus).SOLUTION: The cordierite-based sintered body consists primarily of cordierite, does not contain another crystal phase, and contains one or more selected from the group consisting of La, Ce, Sm, Gd, Dy, Er, Yb and Y in an oxide-equivalent amount of 1-8 mass%. The mass ratio of primary components of the cordierite satisfies the following relations: 3.85≤SiO/MgO≤4.60; and 2.50≤AlO/MgO≤2.70, and the cordierite-based sintered body after being subjected to precision polishing has a precisely polished surface with an average surface roughness (Ra) of 1 nm or less.

Abstract translation: 要解决的问题：为了显着提高热膨胀性低，尺寸长期稳定性高，刚性高（高弹性模量）的堇青石系烧结体的精密抛光特性。 解决方案：堇青石型烧结体主要由堇青石组成，不含有另一结晶相，并含有选自La，Ce，Sm，Gd，Dy，Er，Yb和Y中的一种或多种 氧化物当量为1-8质量％。 堇青石的主要组分的质量比满足以下关系：3.85≤SiO 2 /MgO≤4.60; 和2.50≤Al 2 O 3 /MgO≤2.70，经过精密抛光后的堇青石类烧结体 具有平均表面粗糙度（Ra）为1nm以下的精确抛光表面。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2012072006A

公开(公告)日：2012-04-12

申请号：JP2010217212

申请日：2010-09-28

Applicant: Kurosaki Harima Corp ,  黒崎播磨株式会社

Inventor： AKAMINE KEIICHIRO ,  YOSHITOMI TAKENORI

IPC: C04B35/103 ,  C01B31/30 ,  C04B35/00 ,  C04B35/657 ,  F27D1/00

Abstract: PROBLEM TO BE SOLVED: To further improve the thermal shock resistance, oxidation resistance and corrosion resistance of a carbon-containing refractory.SOLUTION: A carbon-containing refractory containing 15.5-95 mass% of AlOC is provided. As a source of the AlOC, an aluminum oxycarbide composition material containing 3.1-6.5 mass% of carbon is used. The material is produced by adding one or more selected from silicon carbide, boron carbide, aluminum nitride, boron nitride and a metal to a carbonaceous material and an alumina material, and melting them in an arc furnace.

Abstract translation: 要解决的问题：进一步提高含碳耐火材料的耐热冲击性，抗氧化性和耐腐蚀性。 解决方案：提供含有15.5-95质量％的Al 4 O 4℃的含碳耐火材料。 使用含有3.1-6.5质量％碳的碳氧化铝组合物作为Al 4 的来源， 。 通过将碳化硅，碳化硼，氮化铝，氮化硼和金属中的一种或多种添加到碳质材料和氧化铝材料中并在电弧炉中熔融来制造材料。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP4908942B2

公开(公告)日：2012-04-04

申请号：JP2006172798

申请日：2006-06-22

Applicant: 黒崎播磨株式会社

Inventor： 内田良彦 ,  南祐基 ,  吉富丈記

IPC: B07C5/342 ,  C04B35/043 ,  G01N21/27

Abstract: PROBLEM TO BE SOLVED: To provide a method for sorting fireproof raw material in every purity accurately and efficiently. SOLUTION: Fireproof raw material is sorted into grades according to purity by a color sorting machine comprising a belt conveyer 2 transferring fireproof raw material particles 1 with the purity of 90 mass% or more and a particle size of 20 mm or less and discharging to air from a transfer end part; fluorescent lamps 3 irradiating the discharged fireproof raw material particles 1 with light from upper and lower sides; a CCD camera 4 detecting reflection light from the fireproof raw material particles 1 and transmitting light; an air jetting nozzle 5 jetting an air by a given threshold of the detected light; and a sorting vessel 6 containing particles sorted by the jetted air. COPYRIGHT: (C)2008,JPO&INPIT

公开(公告)号：JP2012062232A

公开(公告)日：2012-03-29

申请号：JP2010209386

申请日：2010-09-17

Applicant: Kurosaki Harima Corp ,  黒崎播磨株式会社

Inventor： OUCHI TATSUYA

IPC: C04B35/00 ,  C04B35/101 ,  C04B38/00 ,  C21C5/48 ,  C21C7/072 ,  F27D3/16

Abstract: PROBLEM TO BE SOLVED: To provide an air-permeable refractory containing no CrOwhich is excellent in corrosion resistance and heat shock resistance and is substitutable for an air-permeable refractory containing CrO.SOLUTION: In an air-permeable refractory, LaOis added in place of CrOand fired at ≥1,700°C to thereby produce a melt composed of AlO, SiOand LaOat bridge portions of crude particles as aggregates to bond the aggregates, thus a sound air-permeable refractory is obtained. The air-permeable refractory provides the same corrosion resistance as the air-permeable refractory containing CrOdue to FeO resistance which LaOhas.

Abstract translation: 要解决的问题：提供耐腐蚀性优异的不含Cr 2 O 3 的透气性耐火材料 耐热和耐热冲击性，并且可以替代含有Cr 2 O 3 的透气性耐火材料。

解决方案：在透气性耐火材料中，加入La 2 O 3 代替Cr 2 O 3 并在≥1,700℃下烧制，从而产生由Al 2 O 3 ，SiO 2 和La 2 3 以结合聚集体，从而获得良好的透气性耐火材料。 由于FeO电阻，透气性耐火材料提供与包含Cr 2 O 3 的透气性耐火材料相同的耐腐蚀性 3 具有 2 O 3 。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2012025989A

公开(公告)日：2012-02-09

申请号：JP2010164174

申请日：2010-07-21

Applicant: Kurosaki Harima Corp ,  Nisshin Steel Co Ltd ,  日新製鋼株式会社 ,  黒崎播磨株式会社

Inventor： SHIMIZU KOICHI ,  EJIMA MASATO ,  ISHIHARA MAKIO

IPC: C21C7/10 ,  C21C7/00

Abstract: PROBLEM TO BE SOLVED: To suppress the local damage of a sidewall joint which occurs when a magnesia-carbon brick is used for a lower tank sidewall of an RH vacuum degassing device, to stabilize the durability of a lower tank, and to elongate its service life.SOLUTION: In the lower tank of the RH vacuum degassing device applied with the lining of the magnesia-carbon brick as a wear brick, the thickness of a joint between the back face of the wear brick and a permanent brick is set to be not smaller than 5 mm in average, and sheet-shaped joint materials which disappear by heat are applied to at least one or more joints between the wear bricks in a height range of 200 mm from the bottom of the tank.

Abstract translation: 要解决的问题：为了抑制当将氧化镁 - 碳砖用于RH真空脱气装置的下部箱体侧壁时发生的侧壁接缝的局部损坏，以稳定下部罐的耐久性，并且 延长其使用寿命。

解决方案：在应用氧化镁 - 碳砖衬里的RH真空脱气装置的下槽中作为耐磨砖，将耐磨砖背面与永久性砖之间的接合面的厚度设定为 平均不小于5毫米，并且通过热消失的片状接头材料被施加到距离罐底部200mm的高度范围的耐磨砖之间的至少一个或多个接头。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP4856513B2

公开(公告)日：2012-01-18

申请号：JP2006284094

申请日：2006-10-18

Applicant: 黒崎播磨株式会社

Inventor： 利之 保木井 ,  丈記 吉富 ,  勝美 森川 ,  俊博 駿河

IPC: C04B35/00 ,  C04B35/043 ,  C04B35/103 ,  F27D1/00

Abstract: PROBLEM TO BE SOLVED: To provide a carbon-containing refractory having excellent slag resistance as well as excellent thermal shock resistance by a means where uniform dispersion is relatively simply made possible when carbon nanofibers are dispersed into a refractory for reducing carbon in a carbon-containing refractory. SOLUTION: Using, as raw materials, a catalyst-covered refractory raw material in which the surface of a refractory raw material is coated with one or more kinds of metals selected from the group consisting of V, Fe, Co, Ni, Cu, Mo, Pd, Rh, W and Pt, the oxide or metal salt of the metal(s), and an organic polymer resin or the precursor thereof, they are kneaded, molded and heat-treated, so as to be a nanocarbon-containing refractory in which nanocarbon tubes are uniformly dispersed into the structure. COPYRIGHT: (C)2008,JPO&INPIT

公开(公告)号：JPWO2009147983A1

公开(公告)日：2011-10-27

申请号：JP2010515840

申请日：2009-05-27

Applicant: 新日本製鐵株式会社 ,  黒崎播磨株式会社

Inventor： 康志 筒井 ,  康志 筒井 ,  清人 笠井 ,  清人 笠井 ,  松延　健一 ,  健一 松延 ,  康弘 森本 ,  康弘 森本

IPC: C10B29/06

CPC classification number: C10B29/06 ,  F27D1/1652

Abstract: コークス炉の炭化室壁レンガを溶射によって補修する溶射補修装置であって、溶射粉末を噴射する粉末噴射口と、この粉末噴射口の周囲に配された複数の火炎放射口とを有する第1のバーナ及び第2のバーナを備える。前記第1のバーナの前記各火炎放射口それぞれの火炎放射軸線同士が交差する第1の交差位置が、この第1のバーナの前記粉末噴射口の粉末噴射軸線上にある。前記第2のバーナの前記各火炎放射口それぞれの火炎放射軸線同士が交差する第2の交差位置が、この第2のバーナの前記粉末噴射口の粉末噴射軸線上にある。前記第1のバーナの前記粉末噴射口から前記第1の交差位置までの距離は、前記第2のバーナの前記粉末噴射口から前記第2の交差位置までの距離よりも長い。