REFRACTORY BRICK - SHINAGAWA REFRACTORIES CO

Title:

REFRACTORY BRICK

Document Type and Number:

WIPO Patent Application WO/2007/061070

Kind Code:

A1

Abstract:

A refractory brick which has durability equal to that of alumina-magnesia casting materials and is suitable for use especially as a ladle for steelmaking. For producing the refractory brick, a raw alumina material and a raw magnesia material at least 90 mass% of which is accounted for by fine particles of 0.5 mm or smaller are used. The brick has a total content of Al2O3 and MgO of 90 mass% or higher, MgO content of 4-16 mass%, SiO2 content of 0.5-5 mass%, and total content of Na2O and K2O of 0.3-2 mass%, with the remainder being unavoidable impurities and Al2O3. It is obtained by press-molding a raw-material mixture and then heating the molding at 100-1,150°C.

More Like This:

JP5279915	Manufacturing method of refractory molded product
WO/1994/023865	A MOULD AND A METHOD FOR THE CASTING OF METALS AND REFRACTORY COMPOSITIONS FOR USE THEREIN

Inventors:

NAKAMURA RYOSUKE
SHIKAMA HIROYUKI
TOMIYA HISASHI
SASAKI HISAHARU

Application Number:

PCT/JP2006/323480

Publication Date:

May 31, 2007

Filing Date:

November 24, 2006

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SHINAGAWA REFRACTORIES CO (JP)
NAKAMURA RYOSUKE
SHIKAMA HIROYUKI
TOMIYA HISASHI
SASAKI HISAHARU

International Classes:

C04B35/101; F27D1/00

Foreign References:

JPH08109062A	1996-04-30
JP2000272956A	2000-10-03
JP2003145265A	2003-05-20
JPH09328357A	1997-12-22
JP2000119061A	2000-04-25

Other References: