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Use of unfired refractory products as lining in large-volume industrial furnaces, as well as industrial furnace lined with said unfired refractory products
The invention relates to the use of unfired, carbon carrier-free refractory products, particularly shaped by pressing or unshaped, and containing binders and granules of said refractory materials that form a ceramic bond at temperatures above 900 DEG C, so as to produce magnesia chromite bricks, magnesia spinel and spinel bricks, magnesia zirconia and magnesia zircon bricks, magnesia hercynite and magnesia galaxite bricks, dolomite, dolomite magnesia and lime bricks, forsterite and olivine bricks, magnesia forsterite bricks, magnesia pleonast bricks, and magnesia bricks as a firing-side refractory lining in large-volume industrial furnaces which are operated with an oxidising or substantially oxidising atmosphere for the purpose of producing cement, lime, magnesia and doloma, in the form of compressed bricks or unshaped masses. The bricks have a cold compressive strength of greater than 20MPa, and the products contain at least one first temporary binder that guarantees bonding of the grains of the granules in a temperature range between room temperature and 500 DEG C, as well as at least one second temporary binder which guarantees bonding of the grains of the granules in the temperature range between 300 and 1000 DEG C.
Use of unfired refractory products as lining in large-volume industrial furnaces, as well as industrial furnace lined with said unfired refractory products
The invention relates to the use of unfired, carbon carrier-free refractory products, particularly shaped by pressing or unshaped, and containing binders and granules of said refractory materials that form a ceramic bond at temperatures above 900 DEG C, so as to produce magnesia chromite bricks, magnesia spinel and spinel bricks, magnesia zirconia and magnesia zircon bricks, magnesia hercynite and magnesia galaxite bricks, dolomite, dolomite magnesia and lime bricks, forsterite and olivine bricks, magnesia forsterite bricks, magnesia pleonast bricks, and magnesia bricks as a firing-side refractory lining in large-volume industrial furnaces which are operated with an oxidising or substantially oxidising atmosphere for the purpose of producing cement, lime, magnesia and doloma, in the form of compressed bricks or unshaped masses. The bricks have a cold compressive strength of greater than 20MPa, and the products contain at least one first temporary binder that guarantees bonding of the grains of the granules in a temperature range between room temperature and 500 DEG C, as well as at least one second temporary binder which guarantees bonding of the grains of the granules in the temperature range between 300 and 1000 DEG C.
Use of unfired refractory products as lining in large-volume industrial furnaces, as well as industrial furnace lined with said unfired refractory products
SCHEUBEL BERND (author) / JANSEN HELGE (author) / KLISCHAT HANS-JURGEN (author) / KIZIO ROLF-DIETER (author) / WIRSING HOLGER (author)
2015-08-05
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
/
F23M
Verkleidungen, Auskleidungen, Wände oder Türen besonders ausgebildet für Feuerräume oder Brennkammern, z.B. Feuerbrücken
,
CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES
/
F27B
Industrieöfen, Schachtöfen, Brennöfen, Retorten allgemein
,
FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL
/
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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