A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
SPINEL-MAGNESIA-CARBON BRICK FOR VACUUM DEGASSING DEVICE, AND VACUUM DEGASSING DEVICE
To provide spinel-magnesia-carbon brick having excellent corrosion resistance to slag generated in a vacuum degassing device and further having excellent thermal impact resistance, magnesia-carbon reaction resistance, and oxidation resistance, and a vacuum degassing device using the same at the lower tank wall.SOLUTION: Spinel-magnesia-carbon brick comprising spinel by 20 to 66.9 mass%, magnesia by 30 to 70 mass%, graphite by 3 to 15 mass%, and aluminum and/or an aluminum alloy by 0.1 to 2.0% is subjected to lining to the lower tank side of a vacuum degassing device performing an operation satisfying the following (2): 0.040≤the average slag index in the tank[-]≤0.30 (2).SELECTED DRAWING: Figure 2
【課題】真空脱ガス装置内で発生するスラグに対して耐食性に優れ、さらに耐熱衝撃性、耐マグネシア−カーボン反応性、耐酸化性に優れるスピネル−マグネシア−カーボン煉瓦及びこれを下部槽壁に使用した真空脱ガス装置を提供する。【解決手段】スピネルを２０質量％以上６６．９質量％以下、マグネシアを３０質量％以上７０質量％以下、黒鉛を３質量％以上１５質量％以下、並びにアルミニウム及び／又はアルミニウム合金を０．１質量％以上２．０質量％以下含有するスピネル−マグネシア−カーボン煉瓦を、下記（２）を満たす操業を行う真空脱ガス装置の下部槽側壁にライニングする。０．０４０≦平均槽内スラグインデックス［−］≦０．３０ （２）【選択図】図２
SPINEL-MAGNESIA-CARBON BRICK FOR VACUUM DEGASSING DEVICE, AND VACUUM DEGASSING DEVICE
To provide spinel-magnesia-carbon brick having excellent corrosion resistance to slag generated in a vacuum degassing device and further having excellent thermal impact resistance, magnesia-carbon reaction resistance, and oxidation resistance, and a vacuum degassing device using the same at the lower tank wall.SOLUTION: Spinel-magnesia-carbon brick comprising spinel by 20 to 66.9 mass%, magnesia by 30 to 70 mass%, graphite by 3 to 15 mass%, and aluminum and/or an aluminum alloy by 0.1 to 2.0% is subjected to lining to the lower tank side of a vacuum degassing device performing an operation satisfying the following (2): 0.040≤the average slag index in the tank[-]≤0.30 (2).SELECTED DRAWING: Figure 2
【課題】真空脱ガス装置内で発生するスラグに対して耐食性に優れ、さらに耐熱衝撃性、耐マグネシア−カーボン反応性、耐酸化性に優れるスピネル−マグネシア−カーボン煉瓦及びこれを下部槽壁に使用した真空脱ガス装置を提供する。【解決手段】スピネルを２０質量％以上６６．９質量％以下、マグネシアを３０質量％以上７０質量％以下、黒鉛を３質量％以上１５質量％以下、並びにアルミニウム及び／又はアルミニウム合金を０．１質量％以上２．０質量％以下含有するスピネル−マグネシア−カーボン煉瓦を、下記（２）を満たす操業を行う真空脱ガス装置の下部槽側壁にライニングする。０．０４０≦平均槽内スラグインデックス［−］≦０．３０ （２）【選択図】図２
SPINEL-MAGNESIA-CARBON BRICK FOR VACUUM DEGASSING DEVICE, AND VACUUM DEGASSING DEVICE
真空脱ガス装置用スピネル−マグネシア−カーボン煉瓦及び真空脱ガス装置
HARADA JUNJI (author) / TSUTSUI YUJI (author) / INUZUKA TAKAYUKI (author) / TAKI TOKUO (author) / YAMAUCHI JUN (author)
2021-10-07
Patent
Electronic Resource
Japanese
IPC:
C21C
Weiterverarbeiten von Roheisen, z.B. Feinen, Herstellen von Schweißeisen oder Stahl
,
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL
/
C04B
Kalk
,
LIME
/
F27D
Einzelheiten oder Zubehör für Industrieöfen, Schachtöfen, Brennöfen oder Retorten, soweit sie nicht auf eine Ofenart eingeschränkt sind
,
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
MAGNESIA-SPINEL BRICK FOR VACUUM DEGASSING DEVICE, AND VACUUM DEGASSING DEVICE
| European Patent Office | 2022
SPINEL-ALUMINA-CARBON BRICK FOR VACUUM DEGASSING APPARATUS AND VACUUM DEGASSING APPARATUS
| European Patent Office | 2022
| European Patent Office | 2020
METHOD FOR PRODUCING MAGNESIA CARBON BRICK FOR VACUUM DEGASSING FURNACE
| European Patent Office | 2024
Vacuum Degassing of Aluminium Alloys
| British Library Online Contents | 1996