A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
REFRACTORY COMPOSITION AND REFRACTORY CONCRETE BLOCK USING THE SAME
PROBLEM TO BE SOLVED: To provide a refractory concrete block capable of being molded to various shapes such as large size or hollow by a simple method, having reduced linear thermal expansion ratio under load in a temperature range from ordinary temperature to hot at 1350°C compared to conventional ones and reduced linear thermal expansion ratio in non-restricted state in the temperature range compared to conventional ones and a refractory composition which is a raw material thereof.SOLUTION: The problem is solved by a powder refractory composition used with adding water and containing 60 to 90 mass% of molten quartz granule, 1 to 30 mass% of high purity quartz particles containing silica of a quartz phase of 90 mass% or more and having content of alumina of 1 mass% or less, 1 to 10 mass% of a siliceous ultrafine powder, 1 to 8 mass% of Portland cement, 0.05 to 0.5 mass% of a water reducing agent and 0.1 to 3 mass% of a crystal stabilizer.SELECTED DRAWING: Figure 2
【課題】簡易な方法で大型、中空など種々の形状に成形することが可能であり、常温から１３５０℃の熱間に至る温度範囲において荷重下における線熱膨張率が従来よりも小さく抑えられ、かつ前記温度範囲において無拘束状態における線熱膨張率が従来よりも小さく抑えられた耐火コンクリートブロック及びその原料である耐火組成物を提供する。【解決手段】水を添加して使用する粉状の耐火組成物であって、溶融石英粉粒体６０〜９０質量％と、クォーツ相のシリカを９０質量％以上含有しかつアルミナの含有量が１質量％以下である高純度クォーツ粉末１〜３０質量％と、シリカ質超微粉末１〜１０質量％と、ポルトランドセメント１〜８質量％と、減水剤０．０５〜０．５質量％と、結晶安定化剤０．１〜３質量％とを含有する耐火組成物によって解決する。【選択図】図２
REFRACTORY COMPOSITION AND REFRACTORY CONCRETE BLOCK USING THE SAME
PROBLEM TO BE SOLVED: To provide a refractory concrete block capable of being molded to various shapes such as large size or hollow by a simple method, having reduced linear thermal expansion ratio under load in a temperature range from ordinary temperature to hot at 1350°C compared to conventional ones and reduced linear thermal expansion ratio in non-restricted state in the temperature range compared to conventional ones and a refractory composition which is a raw material thereof.SOLUTION: The problem is solved by a powder refractory composition used with adding water and containing 60 to 90 mass% of molten quartz granule, 1 to 30 mass% of high purity quartz particles containing silica of a quartz phase of 90 mass% or more and having content of alumina of 1 mass% or less, 1 to 10 mass% of a siliceous ultrafine powder, 1 to 8 mass% of Portland cement, 0.05 to 0.5 mass% of a water reducing agent and 0.1 to 3 mass% of a crystal stabilizer.SELECTED DRAWING: Figure 2
【課題】簡易な方法で大型、中空など種々の形状に成形することが可能であり、常温から１３５０℃の熱間に至る温度範囲において荷重下における線熱膨張率が従来よりも小さく抑えられ、かつ前記温度範囲において無拘束状態における線熱膨張率が従来よりも小さく抑えられた耐火コンクリートブロック及びその原料である耐火組成物を提供する。【解決手段】水を添加して使用する粉状の耐火組成物であって、溶融石英粉粒体６０〜９０質量％と、クォーツ相のシリカを９０質量％以上含有しかつアルミナの含有量が１質量％以下である高純度クォーツ粉末１〜３０質量％と、シリカ質超微粉末１〜１０質量％と、ポルトランドセメント１〜８質量％と、減水剤０．０５〜０．５質量％と、結晶安定化剤０．１〜３質量％とを含有する耐火組成物によって解決する。【選択図】図２
REFRACTORY COMPOSITION AND REFRACTORY CONCRETE BLOCK USING THE SAME
耐火組成物及びそれを使用してなる耐火コンクリートブロック
ENDO YOSHIYASU (author) / TAKENAMI JUNYA (author) / TSUTSUI KOJI (author) / KOMAI YUJI (author) / NAKAI YUKIYA (author)
2016-12-15
Patent
Electronic Resource
Japanese
IPC:
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
Refractory insert members and refractory block assembly including same
| European Patent Office | 2021
REFRACTORY INSERT MEMBERS AND REFRACTORY BLOCK ASSEMBLY INCLUDING SAME
| European Patent Office | 2020
| European Patent Office | 2020