C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
22/126, 261/33
C04B 35/04 (2006.01)
Patent
CA 1234581
Abstract of the Disclosure Novel preheatable molded refractory insulating liners and methods of use thereof for lining metallurgical vessels, such as hot tops, ladels, tundishes, troughs and pipes, etc., which serve to transfer molten metals, such as ferrous alloys, are disclosed. The new and vastly improved preheatable liners are suitable for developing effectively the required hot strength needed for casting molten metals at vessel preheat temperatures and casting temperatures. The unique preheatable liners additionally possess the needed hot strength during the range of casting temperatures as are experienced in the metal making industry. The pre- heatable molded refractory insulating liners comprise a liner structure of predetermined shape, the liner structure comprising a molded uniform mixture containing a particulate refractory companent com- prised of alumina and MgO refractory grain and a binder therefore wherein the alumina and MgO refractory grain are in amounts proportioned such that the hot strength is developed at vessel preheat and metal casting temperatures which are in the range of about 1900°F. to about 3000°F. when such liners are heated for sufficient periods of time.
489249
Consolidated Ceramic Products Inc.
Macrae & Co.
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