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CEMENT MORTAR OF REFRACTORY BRICK FOR BLAST FURNACE TUYERE AND BLAST FURNACE TUYERE STRUCTURE
PROBLEM TO BE SOLVED: To provide a cement mortar of refractory brick for blast furnace tuyere and a blast furnace tuyere structure capable of achieving both improvement of alkali resistance and improvement of adhesive strength of the cement mortar.SOLUTION: There is provided a silicon carbide based cement mortar of refractory brick for blast furnace tuyere which comprises fire resistant material, antioxidizing agent, and sodium silicate as binding agent. The fire resistant material comprises from 87 to 97 mass% of alumina raw material, and from 0.5 to 5 mass% of carbon raw material and/or silicon carbide raw material. The antioxidizing agent is formulated from 0.3 to 3 mass% in outer percentage relative to 100 mass% of the fire resistant material. The sodium silicate is formulated from 30 to 60 mass% in outer percentage relative to the total amount of 100 mass% of the fire resistant material and the antioxidizing agent. The silicon carbide based cement mortar contains 70 mass% or more of SiC as chemical component.SELECTED DRAWING: None
【課題】耐アルカリ性向上とモルタルの接着強度向上を両立させうる高炉羽口用耐火物れんがのモルタル及び高炉羽口構造体の提供。【解決手段】耐火材料、酸化防止剤、及び結合剤として珪酸ソーダを含み、前記耐火材料は、アルミナ原料を８７〜９７質量％、カーボン原料及び／又は炭化珪素原料を０．５〜５質量％含み、前記酸化防止剤は、前記耐火材料１００質量％に対して外掛けで０．３〜３質量％配合され、前記珪酸ソーダは、前記耐火材料及び前記酸化防止剤の合量１００質量％に対して外掛けで３０〜６０質量％配合される、化学成分としてＳｉＣを７０質量％以上含む炭化珪素質の高炉羽口用耐火れんがのモルタル。【選択図】なし
CEMENT MORTAR OF REFRACTORY BRICK FOR BLAST FURNACE TUYERE AND BLAST FURNACE TUYERE STRUCTURE
PROBLEM TO BE SOLVED: To provide a cement mortar of refractory brick for blast furnace tuyere and a blast furnace tuyere structure capable of achieving both improvement of alkali resistance and improvement of adhesive strength of the cement mortar.SOLUTION: There is provided a silicon carbide based cement mortar of refractory brick for blast furnace tuyere which comprises fire resistant material, antioxidizing agent, and sodium silicate as binding agent. The fire resistant material comprises from 87 to 97 mass% of alumina raw material, and from 0.5 to 5 mass% of carbon raw material and/or silicon carbide raw material. The antioxidizing agent is formulated from 0.3 to 3 mass% in outer percentage relative to 100 mass% of the fire resistant material. The sodium silicate is formulated from 30 to 60 mass% in outer percentage relative to the total amount of 100 mass% of the fire resistant material and the antioxidizing agent. The silicon carbide based cement mortar contains 70 mass% or more of SiC as chemical component.SELECTED DRAWING: None
【課題】耐アルカリ性向上とモルタルの接着強度向上を両立させうる高炉羽口用耐火物れんがのモルタル及び高炉羽口構造体の提供。【解決手段】耐火材料、酸化防止剤、及び結合剤として珪酸ソーダを含み、前記耐火材料は、アルミナ原料を８７〜９７質量％、カーボン原料及び／又は炭化珪素原料を０．５〜５質量％含み、前記酸化防止剤は、前記耐火材料１００質量％に対して外掛けで０．３〜３質量％配合され、前記珪酸ソーダは、前記耐火材料及び前記酸化防止剤の合量１００質量％に対して外掛けで３０〜６０質量％配合される、化学成分としてＳｉＣを７０質量％以上含む炭化珪素質の高炉羽口用耐火れんがのモルタル。【選択図】なし
CEMENT MORTAR OF REFRACTORY BRICK FOR BLAST FURNACE TUYERE AND BLAST FURNACE TUYERE STRUCTURE
高炉羽口用耐火物れんがのモルタル及び高炉羽口構造体
SASAKI TOSHIHISA (author) / NAKAMURA HITOSHI (author) / MARUYAMA KAZUYA (author)
2018-04-05
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
/
C21B
Gewinnung von Eisen oder Stahl
,
MANUFACTURE OF IRON OR STEEL
/
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
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