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US 12,351,519 B2Granted
Cold-setting dry vibratable mix
AssigneeIntocast AG Feuerfest-Produkte Und Giesslfsmittel
InventorsManfred Knoll, Natalie Fröse
Life of this patent
Estimating the term…
Abstract
The invention relates to a refractory dry vibratable mix which sets at room temperature when water is added, for use in metallurgical vessels and comprising a refractory main component, a binder and a retarder.
Claims2
A refractory dry vibratable mix that is formulated to set at room temperature when water is added to said refractory dry vibratable mix;
- said refractory dry vibratable mix includes a refractory main component, a binder and a retardant;
- said refractory main component constitutes 5-95 wt. % of said refractory dry vibratable mix;
- said refractory main component is formed of one or more of sintered magnesia, fused magnesia, olivine, quartz, and sintered dolomite;
- said binder constitutes >1-<5 wt. % of said refractory dry vibratable mix;
- said binder includes ammonium dihydrogen phosphate;
- said retardant constitutes >1-<5 wt. % of said refractory dry vibratable mix;
- said retardant includes carboxylic acid;
- said refractory dry vibratable mix includes less than 1 wt. % SiO2.
5 more elements
A refractory dry vibratable mix that is formulated to set at room temperature when water is added to said refractory dry vibratable mix;
- said refractory dry vibratable mix includes a refractory main component, a binder and a retardant;
- said refractory main component constitutes 5-95 wt. % of said refractory dry vibratable mix;
- said refractory main component is formed of one or more of sintered magnesia, fused magnesia, olivine, quartz, and sintered dolomite;
- said binder constitutes >1-<5 wt. % of said refractory dry vibratable mix;
- said binder includes a) ammonium dihydrogen phosphate, b) magnesium oxide and potassium dihydrogen phosphate, and wherein said magnesium oxide is absent sintered magnesia, fused magnesia, olivine, quartz, and sintered dolomite, or c) magnesium oxide and alkali polyphosphate, and wherein said magnesium oxide is absent sintered magnesia, fused magnesia, olivine, quartz, and sintered dolomite;
- said retardant constitutes >1-<5 wt. % of said refractory dry vibratable mix;
- said retardant includes carboxylic acid;
- said refractory dry vibratable mix includes less than 1 wt. % SiO2.
5 more elements
Dependencies are inferred from the claim text.