BR9815515A - Areia de enchimento para uma válvula de orifìcio de coação de colherão - Google Patents

Areia de enchimento para uma válvula de orifìcio de coação de colherão

Info

Publication number
BR9815515A
BR9815515A BR9815515-6A BR9815515A BR9815515A BR 9815515 A BR9815515 A BR 9815515A BR 9815515 A BR9815515 A BR 9815515A BR 9815515 A BR9815515 A BR 9815515A
Authority
BR
Brazil
Prior art keywords
sand
weight
chromite
particles
diameters ranging
Prior art date
Application number
BR9815515-6A
Other languages
English (en)
Inventor
Hideto Takasugi
Manabu Tano
Takeshi Ishii
Shinichi Akai
Akira Shirayama
Hirohisa Nakashima
Original Assignee
Nippon Kokan Kk
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 Nippon Kokan Kk filed Critical Nippon Kokan Kk
Publication of BR9815515A publication Critical patent/BR9815515A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/44—Consumable closure means, i.e. closure means being used only once
    • B22D41/46—Refractory plugging masses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

Abstract

<B>AREIA DE ENCHIMENTO PARA UMA VáLVULA DE ORIFìCIO DE COAçãO DE COLHERãO<D> Uma areia de enchimento para uma válvula de orifício de coação de colherão contém 70 a 90% em peso de areia de cromita e 10 a 30% em peso de areia de sílica, e é misturada externamente com 0,05 a 5% em peso de negro-de-fumo calculado com base na quantidade total da areia de cromita e areia de sílica; ou contém 70 a 90% em peso de areia de cromita e 10 a 30% em peso de areia de sílica, em que a areia de cromita tem uma distribuição de diâmetro de partícula de tal modo que 99% ou mais da areia de cromita consiste em partículas com diâmetros que variam de 150 a 850 Ám e que 95% ou mais da areia de cromita consiste em partículas com diâmetros que variam de 200 a 600 Ám, e a areia de sílica tem uma distribuição de diâmetro de partícula de tal modo que 95% ou mais da areia de sílica consiste em partículas com diâmetros que variam de 150 a 850 Ám e que 80% ou mais da areia de sílica consiste em partículas com diâmetros que variam de 200 a 600 Ám.
BR9815515-6A 1997-05-23 1998-05-21 Areia de enchimento para uma válvula de orifìcio de coação de colherão BR9815515A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14847997 1997-05-23
PCT/JP1998/002240 WO1998052708A1 (fr) 1997-05-23 1998-05-21 Sable de remplissage pour appareil aux fins de l'ouverture et de la fermeture coulissantes de poches de coulee

Publications (1)

Publication Number Publication Date
BR9815515A true BR9815515A (pt) 2001-07-24

Family

ID=15453683

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9815515-6A BR9815515A (pt) 1997-05-23 1998-05-21 Areia de enchimento para uma válvula de orifìcio de coação de colherão

Country Status (7)

Country Link
US (1) US6316106B1 (pt)
EP (1) EP0950452B1 (pt)
JP (1) JP4269297B2 (pt)
KR (1) KR100543827B1 (pt)
BR (1) BR9815515A (pt)
DE (1) DE69833855T2 (pt)
WO (1) WO1998052708A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6110892A (en) * 1994-06-20 2000-08-29 National Research Council Of Canada Parathyroid hormone analogues for the treatment of osteoporosis
JP3782306B2 (ja) * 1999-05-27 2006-06-07 Ｊｆｅスチール株式会社 取鍋摺動開閉装置の詰砂
KR100460256B1 (ko) * 2001-10-31 2004-12-04 주식회사 인텍 필러용 실리카계 내화조성물
KR20050023589A (ko) * 2003-08-28 2005-03-10 주식회사 포스코 래들의 슬라이딩 노즐구용 필러
JP2005088022A (ja) * 2003-09-12 2005-04-07 Yamakawa Sangyo Kk 取鍋摺動開閉装置用充填材
JP4641807B2 (ja) * 2005-01-24 2011-03-02 Ｊｆｅスチール株式会社 取鍋摺動開閉装置の詰砂
US20100065977A1 (en) * 2008-09-12 2010-03-18 Quigley Joseph R Filling materials for use in metal processing and methods of use thereof
CN101444842B (zh) * 2008-12-30 2010-06-16 沈阳东北大学冶金技术研究所有限公司 一种钢包用碱性引流砂
US8062577B2 (en) * 2009-04-10 2011-11-22 Edw. C. Levy Co. Alumina taphole fill material and method for manufacturing
CN102000790B (zh) * 2010-10-28 2013-07-31 成都府天新材料科技有限公司 一种低铬环保引流砂的制造方法
JP5546704B1 (ja) * 2014-03-26 2014-07-09 山川産業株式会社 アルミナ系スライディングノズル充填砂
RU2682062C1 (ru) * 2018-03-14 2019-03-14 Акционерное общество "ЕВРАЗ Нижнетагильский металлургический комбинат" (АО "ЕВРАЗ НТМК") Способ подготовки шиберного затвора сталеразливочного ковша
RU2696609C1 (ru) * 2018-12-27 2019-08-06 Сергей Касимович Вильданов Составная стартовая смесь для заполнения выпускного канала сталеразливочного ковша
RU2712206C1 (ru) * 2019-03-05 2020-01-24 Сергей Касимович Вильданов Способ заполнения огнеупорным материалом выпускного канала сталеразливочного ковша

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585485A (en) * 1983-01-24 1986-04-29 Hiroshi Shikano Refractory sliding nozzle plate
DE3419306C1 (de) * 1984-05-24 1986-01-02 Dislich, Heinz, 4100 Duisburg Kuppelbildende Schieberfüllmasse für Gießpfannen
JPS6448662A (en) 1987-08-13 1989-02-23 Nippon Kokan Kk Plugging sand for ladle steel tapping hole
JP2673467B2 (ja) 1990-07-27 1997-11-05 川崎炉材株式会社 スライディングノズルの詰物
JPH058022A (ja) * 1991-07-01 1993-01-19 Nkk Corp 溶鋼容器から高炭素鋼溶鋼を注出する際の注出口閉塞 防止方法
US5576255A (en) * 1992-02-21 1996-11-19 Les Sables Olimag, Inc. Refractory sand composition
GB9222548D0 (en) * 1992-10-27 1992-12-09 Foseco Int Metallurgical pouring vessels
JP2931944B2 (ja) * 1994-05-16 1999-08-09 東京窯業株式会社 スライディングノズル充填物
JPH0947863A (ja) * 1995-08-01 1997-02-18 Nkk Corp 取鍋ノズル用充填詰物
ZA966778B (en) * 1995-08-09 1997-02-19 Yamakawa Sangyo Co Ltd Filler for sliding gates.
JP3519907B2 (ja) * 1997-05-26 2004-04-19 品川白煉瓦株式会社 溶融金属出湯口用閉塞材

Also Published As

Publication number Publication date
JP4269297B2 (ja) 2009-05-27
KR20010012849A (ko) 2001-02-26
DE69833855T2 (de) 2006-11-30
US6316106B1 (en) 2001-11-13
EP0950452A4 (en) 2004-02-25
EP0950452B1 (en) 2006-03-15
DE69833855D1 (de) 2006-05-11
WO1998052708A1 (fr) 1998-11-26
KR100543827B1 (ko) 2006-01-23
EP0950452A1 (en) 1999-10-20

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Legal Events

Date Code Title Description
FF Decision: intention to grant