Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
HIGH-ZIRCONIA ELECTRO-FUSED CAST REFRACTORY MATERIAL
A high zirconia electrically-fused cast refractory has a chemical composition including more than 95% by mass and 98% by mass or less of ZrO2, 0.1 to 1.5% by mass of Al2O3, 1 to 2.5% by mass of SiO2, 0 to 0.1% by mass of K2O, 0.01 to 0.3% by mass of Na2O and K2O in total, 0.02 to 0.4% by mass of B2O3, 0.01 to 0.6% by mass of BaO, 0.01 to 0.4% by mass of SnO2, 0.3% by mass or less of Fe2O3 and TiO2 in total, and 0.04% by mass or less of P2O5, wherein the contents of B2O3 and SnO2 satisfy the following Formulas (1) and (2):0.20≤(SnO2/B2O3)<6.5 (1)0.14% by mass≤(CSnO2+CB2O3/2)≤0.55% by mass (2):In Formula (2), CSnO2 represents the content of SnO2, and CB2O3 represents the content of B2O3, expressed in % by mass in the refractory.
HIGH-ZIRCONIA ELECTRO-FUSED CAST REFRACTORY MATERIAL
A high zirconia electrically-fused cast refractory has a chemical composition including more than 95% by mass and 98% by mass or less of ZrO2, 0.1 to 1.5% by mass of Al2O3, 1 to 2.5% by mass of SiO2, 0 to 0.1% by mass of K2O, 0.01 to 0.3% by mass of Na2O and K2O in total, 0.02 to 0.4% by mass of B2O3, 0.01 to 0.6% by mass of BaO, 0.01 to 0.4% by mass of SnO2, 0.3% by mass or less of Fe2O3 and TiO2 in total, and 0.04% by mass or less of P2O5, wherein the contents of B2O3 and SnO2 satisfy the following Formulas (1) and (2):0.20≤(SnO2/B2O3)<6.5 (1)0.14% by mass≤(CSnO2+CB2O3/2)≤0.55% by mass (2):In Formula (2), CSnO2 represents the content of SnO2, and CB2O3 represents the content of B2O3, expressed in % by mass in the refractory.
HIGH-ZIRCONIA ELECTRO-FUSED CAST REFRACTORY MATERIAL
SUGIYAMA HIROSHI (Autor:in) / MISU YASUO (Autor:in) / HASHIMOTO ITARU (Autor:in)
21.12.2023
Patent
Elektronische Ressource
Englisch
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