TW201279B - - Google Patents
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- TW201279B TW201279B TW081100375A TW81100375A TW201279B TW 201279 B TW201279 B TW 201279B TW 081100375 A TW081100375 A TW 081100375A TW 81100375 A TW81100375 A TW 81100375A TW 201279 B TW201279 B TW 201279B
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- Prior art keywords
- refractory
- side dam
- metal
- refractory material
- silicon
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Classifications
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- 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
- C04B35/101—Refractories from grain sized mixtures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/0648—Casting surfaces
- B22D11/066—Side dams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
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- 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
- C04B35/101—Refractories from grain sized mixtures
- C04B35/106—Refractories from grain sized mixtures containing zirconium oxide or zircon (ZrSiO4)
-
- 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
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
- C04B35/80—Fibres, filaments, whiskers, platelets, or the like
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0087—Uses not provided for elsewhere in C04B2111/00 for metallurgical applications
-
- 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
-
- 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
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- 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
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
- C04B2235/9676—Resistance against chemicals, e.g. against molten glass or molten salts against molten metals such as steel or aluminium
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Continuous Casting (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Description
A6 B6 2 u 9 ' 五、發明説明(1 ) (請先閲讀背面之注意事項存瑱寫本頁) 本發明有關金屬之棍間連續鑄造,尤其鋼。 已知在鑲造高熔點硬金屬,諸如鐵及其合金之方法中 最主要之困難在於由輥所界定之鏵造間隙的終端密封。 可用於此之密封元件,更常稱為 ''側壩〃(s i de dam),必需可確實固封熔融金屬並防止此金靥與密封元件 接觸時之不當固化。 先前技藝所提之耐火材料側壩仍極不符合此二要求( FR-A-2, 613, 646, JP - A-579. 5 6 5) 0 發明標的是針對此問題提出一種決定性解答。 結果,本發明提出一種在棍間連缜鑄造金屬用之裝置 的鑄隙所用之終端密封側壩,其包括由耐火材料構成之與 鏵造金屬接觸的零件,其特徽為該材料為纖維結構且主要 由氧化鋁及氧化矽以各約7 0至9 8%及3 0至2%相對 重量之比例構成。 經濟部中央揉竿扃员工消費合作社印製 較好,若鑲造不銹鋼時,該耐火材料以氧化誥為主之 凝膠浸漬。 本發明亦提出此種側壩,其耐火零件由兩並列層構成 ,並特徵為欲與鑲造金屬接觸之第一層由纖維狀耐火材料 構成,如前述者,其具絶熱性,且欲確定組件之剛性及耐 機械性之第二層是由具低熱膨脹性之致密耐火材料形成。 如下述者,在鏵造開始時,富含A 1 2〇3之纖維耐火 層確保此新狀態,即,在使用前,其絶熱避免側壩上鏵造 ί·張尺茂適用中國國家標準(CNS)甲4規格(210 X 297公兗0 " 81.9.25,000 201iL79 五、發明説明(2 ) 金屬之不當固化。 發生此種多餘之固化時,其在锟間頸上游處,聯結在 棍上固化或冷卻之表層終端。如此可能在锟間形成無法在 锟間通過之確實楔形物(因其硬度),其在短時間内即對 鑲造操作造成最終阻礙。 之後,在初階鏵造中,纖維層因為鏵造金屬産生之機 械腐蝕而挖空。然後逐漸喪失其絶熱性。但是,同時使側 壩受熱。當此平衡達成後並持續提供欲鑄造之熔融金屬而 保持該平衡,不再害怕固化。此時,若所安排之纖維層初 厚度足夠而不使金屬穿透,則損耗維持穩定,故可持' 續_造操作而無€別困難。 是故,就此而論纖維層後之致密耐火層有利地構成一 安全板,其若需要則在纖維材料完全腐蝕後持續鑲造時包 含熔融金屬。 因金屬覆層有利地保護耐火零件並增進組件之機械性 能,故致密層較好選自低熱膨脹之耐火金屬,諸如熔融之 玻璃質氧化矽或鋁熔塊。 經濟部中央樣準屬8工消費合作社印製 鑄造不綉鋼時,以已知方式將纖維材料浸以氣化錯, 有改善耐腐蝕性之優點。浸漬後,Z r ◦ 2含置可佔氧化 錯、氧化矽及氧化誥複合體之15至70%重,然而上文 所述氧化鋁及氧化矽之百分比僅與此二組份之和有關。 在一非用於限制之實例中,此材料可包括3 7 %氧化 錯,4%氧化矽,57%氧化錯。浸漬前,其密度為 230kg/m3,浸漬後,為430kg/m3。其導熱 81.9.25,000 (請先閲讀背面之注意事項再填寫本頁) r 本纸張&度適用中國國家橒準(CNS)甲4規烙(210 X 297公兗f A6 B6 2012^9 五、發明説明(3) 性,在 lOOOt:,為 〇. 2 watt/m/。K。 如上所述,選用具高氣化鋁含量之纖維材料是基於其 具低導熱性的考量。然因其製造方式,此纖維多少會含有 另一成份一氣化矽。該纖維的使用溫度上限隨其氣化矽含 量增加而降低,如圖A所示。 在輥間鏵造銷鐵時,因側壩將與液態鋼鐵接觸,故其 使用溫度高於1 5 ◦ 0 t:。所以其矽含量必需低於或等於 3 0 % ,參看圖A。 更精確地說,側壩的使用狀況業經實驗室模擬而於一 1 5 0 0 1C液態鋼鐵中測試。所研究的性質有: -耐火材料對液態鋼鐵腐蝕之抗性; —於1 5 0 0它耐火材料之尺寸穩定性(dimensional stability)。在一高於1 200亡一 1 30 0 t:的溫度下 ,具高氧化鋁含量之纖維零件會有收縮情形。若此收縮情 形太嚴重,將使側壩與棍間鬆動,而液態鋼鐵則會滲入。 模擬測試的結果歸纳於表I ,其顯示: 一氧化矽高於3 0 %時(耐火材料A與B ),結果不良。 -經氧化錯浸漬後,改善了纖維材料對腐蝕的抗性(耐火 材料D與I) :D與I之氣化鋁與氣化矽的含量幾乎一樣 ,但D不含氧化錯而I有含氧化錯。就鋼鐵腐蝕抗性而言 ,D 為優(|ood),而 I 為特優(very good)。 本纸張又度適用中國國家橒準(CNS)甲4規格(210 X 297 ^^)5 -----------------f-----裝------tr------^ (請先《讀背面之注意事項再填寫本頁} 經濟部中央標準扃β工消費合作社印製 81.9.25,000
ΙΛ fS - 五、發明説明(4 A6 B6 圖
A
裝 氧化矽含量% 訂 線叫丨 經濟部中央樣準局員工消费合作社印製 本紙張尺度適用中國國家橒準(CNS)甲4規格(210 X 297公楚β- 81.9.25.000 201^79 A6 B6 五、發明説明(5 ) 表 耐火 氧化鋁 氧化矽 氣化錯 鋼鐵腐 熱收縮 材料 % % 蝕抗性 A 45.3 54.7 - — -- B 55.8 44.2 - - - C 68.3 31.7 - 0 〇 D 95.5 4.5 - 本 E 85.6 14 - 4 木 0 F 89.5 10.5 本 0 G 91.6 8.4 Q 木 〇 Η 92.3 7.7 Q t 氺 I 95.3 4.7 Θ 氺本 本 本 發 明 之 外 本 發 明 之 内 (請先閲讀背面之注意事項再填寫本頁) .裝. 訂· 經濟部中央樣準局β:工消费合作社印製 〇 * 木本 特差 差 中等 優 特優 良纸張又度適用中國國家標準(CNS)甲4規恪(210 X 297公 81.9.25,000
Claims (1)
- B7 C7 D7 六、申請專利.苑圊 [T· 一種供於截間連绩鑲造金屬用之裝置的鑲造空間 封用之側壩,其包括與鑄造金靥接觸由耐火材料構 成之零件,其特徵為該材料具纖維結構且由比例各為7 ◦ 至9 8%及3 ◦至重之氣化鋁及氣化矽構成。 2 .如申請專利範圍第1項之側壩,其中材料亦浸以 氧化鈷為主之凝膠。 3 . —種供於錕間連續鑲造金屬用之裝置的鑄造空間 終端密封用之側壩,該側壩包括兩並列層所構成之耐火零 件,其特徽為欲與鑲造金屬接觸之第一層由具高絶熱性之 纖維狀耐火材料形成,而用以確保該耐火零件之剛性及強 度之第二層由具低熱膨脹性之致密耐火材料形成, 其中纖維狀耐火材料由比例各為7 0至9 8%及3 0 至2 %之氧化鋁及氧化矽組成,該致密耐火材料為熔融之 玻璃質氧化矽或鋁矽熔塊U {請先聞讀背面之注意事項再填寫本頁 •R. •打:、 •練. 經濟部中央標爭局員工消#合作社印製
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9101061A FR2671991A1 (fr) | 1991-01-25 | 1991-01-25 | Materiau refractaire pour petite face d'une installation de coulee continue des metaux entre cyclindres, et petite face ainsi realisee. |
Publications (1)
Publication Number | Publication Date |
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TW201279B true TW201279B (zh) | 1993-03-01 |
Family
ID=9409206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW081100375A TW201279B (zh) | 1991-01-25 | 1992-01-20 |
Country Status (15)
Country | Link |
---|---|
US (1) | US5247987A (zh) |
EP (1) | EP0496646A1 (zh) |
JP (1) | JPH0569097A (zh) |
KR (1) | KR920014538A (zh) |
AU (1) | AU1038492A (zh) |
CA (1) | CA2059750A1 (zh) |
CS (1) | CS21892A3 (zh) |
DE (1) | DE4201656A1 (zh) |
FI (1) | FI920289L (zh) |
FR (1) | FR2671991A1 (zh) |
HU (1) | HU9200228D0 (zh) |
NO (1) | NO920205L (zh) |
PL (1) | PL293284A1 (zh) |
TW (1) | TW201279B (zh) |
ZA (1) | ZA92506B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4238036A1 (de) * | 1992-11-11 | 1994-05-19 | Didier Werke Ag | Einrichtung zum endabmessungsnahen Gießen |
IT1284201B1 (it) * | 1996-07-31 | 1998-05-08 | Sviluppo Materiali Spa | Piastre con riporti ceramici antiusura per macchine per colata conntinua di corpi piani sottili e procedimento per la loro |
FR2756761B1 (fr) * | 1996-12-11 | 1999-01-08 | Ugine Savoie Sa | Reservoir d'alimentation destine a retenir un metal fondu et notamment un acier |
FR2765504B1 (fr) * | 1997-07-04 | 1999-08-20 | Usinor | Face laterale d'obturation de l'espace de coulee d'une installation de coulee continue entre cylindres de bandes minces metalliques |
US20030109372A1 (en) * | 1998-06-22 | 2003-06-12 | Showa Denko K.K. | Refractory material for casting a rare-earth alloy and its production method as well as method for casting the rare-earth alloys |
TW446690B (en) * | 1998-06-22 | 2001-07-21 | Showa Denko Kk | Refractories for casting a rare-earth alloy, their production method, and method for casting an rare-earth alloy |
KR100395112B1 (ko) * | 1998-12-12 | 2003-10-17 | 주식회사 포스코 | 스트립 캐스팅 주조장치의 사이드댐용 내화조성물 |
IT1302959B1 (it) * | 1998-12-31 | 2000-10-10 | Acciai Speciali Terni Spa | Piastre refrattarie per macchine di colata continua di corpi pianisottili. |
JP3684138B2 (ja) * | 2000-05-17 | 2005-08-17 | 新日本製鐵株式会社 | 双ドラム式連鋳サイド堰用セラミックプレート材 |
US20140008032A1 (en) * | 2012-07-01 | 2014-01-09 | Nucor Corporation | Side dam with insert |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3230107A1 (de) * | 1982-08-13 | 1984-03-01 | Raimund Dipl.-Ing. 6238 Hofheim Brückner | Verwendung von keramischem fasermaterial bei feuerfesten verschleissteilen von schiebeverschluessen fuer fluessige metallschmelze enthaltende gefaesse sowie schiebeverschluss mit feuerfesten verschleissteilen aus keramischem fasermaterial |
JPS60162557A (ja) * | 1984-02-03 | 1985-08-24 | Mitsubishi Heavy Ind Ltd | 薄板連続鋳造装置 |
JPS61129260A (ja) * | 1984-11-27 | 1986-06-17 | Kawasaki Steel Corp | 同期式連続鋳造機 |
IT1202571B (it) * | 1987-02-20 | 1989-02-09 | Keramont Research Corp | Compositi a base di allumina ronforzata con zirconia e con whiskers |
JPH0263669A (ja) * | 1988-08-29 | 1990-03-02 | Kitagawa Iron Works Co Ltd | 鋳ぐるみ体 |
JPH02104447A (ja) * | 1988-10-07 | 1990-04-17 | Nisshin Steel Co Ltd | 薄板連鋳装置 |
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1991
- 1991-01-25 FR FR9101061A patent/FR2671991A1/fr active Pending
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1992
- 1992-01-08 EP EP92400047A patent/EP0496646A1/fr not_active Withdrawn
- 1992-01-20 TW TW081100375A patent/TW201279B/zh active
- 1992-01-20 NO NO92920205A patent/NO920205L/no unknown
- 1992-01-21 CA CA002059750A patent/CA2059750A1/fr not_active Abandoned
- 1992-01-22 KR KR1019920000877A patent/KR920014538A/ko not_active Withdrawn
- 1992-01-22 AU AU10384/92A patent/AU1038492A/en not_active Abandoned
- 1992-01-22 DE DE4201656A patent/DE4201656A1/de not_active Withdrawn
- 1992-01-23 FI FI920289A patent/FI920289L/fi unknown
- 1992-01-24 US US07/825,574 patent/US5247987A/en not_active Expired - Fee Related
- 1992-01-24 PL PL29328492A patent/PL293284A1/xx unknown
- 1992-01-24 ZA ZA92506A patent/ZA92506B/xx unknown
- 1992-01-24 CS CS92218A patent/CS21892A3/cs unknown
- 1992-01-24 HU HU9200228A patent/HU9200228D0/hu unknown
- 1992-01-27 JP JP4035643A patent/JPH0569097A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
AU1038492A (en) | 1992-07-30 |
FI920289A7 (fi) | 1992-07-26 |
EP0496646A1 (fr) | 1992-07-29 |
US5247987A (en) | 1993-09-28 |
NO920205D0 (no) | 1992-01-20 |
ZA92506B (en) | 1993-07-26 |
FI920289A0 (fi) | 1992-01-23 |
CA2059750A1 (fr) | 1992-07-26 |
FR2671991A1 (fr) | 1992-07-31 |
NO920205L (no) | 1992-07-27 |
KR920014538A (ko) | 1992-08-25 |
CS21892A3 (en) | 1992-08-12 |
JPH0569097A (ja) | 1993-03-23 |
HU9200228D0 (en) | 1992-04-28 |
DE4201656A1 (de) | 1992-07-30 |
PL293284A1 (en) | 1992-08-24 |
FI920289L (fi) | 1992-07-26 |
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