A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
POWDER QUICK SETTING AGENT
PROBLEM TO BE SOLVED: To provide a quick setting admixture which, in a wet spraying method of a refractory material, can prevent nozzle blocking while maintaining curability and can prevent sedimentation followed by solidification during storage.SOLUTION: Provided is a quick setting admixture comprising: at least one powder material selected from sodium chloride, potassium chloride, magnesium chloride, and potassium carbonate; and calcium hydroxide powder, where a ratio of (mass of the at least one powder material)/(mass of the calcium hydroxide powder) is 0.5 to 3. The powder quick setting admixture preferably contains 20 to 40 mass% of calcium aluminate containing C12A7 as a mineral in 100 mass% of the powder quick setting admixture. Further, the powder quick setting admixture more preferably contains 2 to 15 mass% of dextrin in 100 mass% of the powder quick setting admixture.SELECTED DRAWING: None
【課題】耐火物の湿式吹き付け施工方法において、硬化性を確保しつつノズル閉塞を防止でき、かつ保管時に沈降して固化するのを防止できる急結剤の提供。【解決手段】塩化ナトリウム、塩化カリウム、塩化マグネシウム及び炭酸カリウムから選択された少なくとも一種の粉末材料と、水酸化カルシウム粉とを含み、（前記少なくとも一種の粉末材料の質量／前記水酸化カルシウム粉の質量）が０．５〜３である粉末急結剤。粉末急結剤１００質量％中にＣ１２Ａ７を鉱物として含むカルシウムアルミネートを２０〜４０質量％含有することが好ましい粉末急結剤。更に粉末急結剤１００質量％中にデキストリンを２〜１５質量％含有することが、より好ましい粉末急結剤。【選択図】なし
POWDER QUICK SETTING AGENT
PROBLEM TO BE SOLVED: To provide a quick setting admixture which, in a wet spraying method of a refractory material, can prevent nozzle blocking while maintaining curability and can prevent sedimentation followed by solidification during storage.SOLUTION: Provided is a quick setting admixture comprising: at least one powder material selected from sodium chloride, potassium chloride, magnesium chloride, and potassium carbonate; and calcium hydroxide powder, where a ratio of (mass of the at least one powder material)/(mass of the calcium hydroxide powder) is 0.5 to 3. The powder quick setting admixture preferably contains 20 to 40 mass% of calcium aluminate containing C12A7 as a mineral in 100 mass% of the powder quick setting admixture. Further, the powder quick setting admixture more preferably contains 2 to 15 mass% of dextrin in 100 mass% of the powder quick setting admixture.SELECTED DRAWING: None
【課題】耐火物の湿式吹き付け施工方法において、硬化性を確保しつつノズル閉塞を防止でき、かつ保管時に沈降して固化するのを防止できる急結剤の提供。【解決手段】塩化ナトリウム、塩化カリウム、塩化マグネシウム及び炭酸カリウムから選択された少なくとも一種の粉末材料と、水酸化カルシウム粉とを含み、（前記少なくとも一種の粉末材料の質量／前記水酸化カルシウム粉の質量）が０．５〜３である粉末急結剤。粉末急結剤１００質量％中にＣ１２Ａ７を鉱物として含むカルシウムアルミネートを２０〜４０質量％含有することが好ましい粉末急結剤。更に粉末急結剤１００質量％中にデキストリンを２〜１５質量％含有することが、より好ましい粉末急結剤。【選択図】なし
POWDER QUICK SETTING AGENT
粉末急結剤
SHIRAMA TOICHI (author) / NAKAMICHI TSUBASA (author)
2017-06-01
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
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