INDUCTION FURNACE WITH MULTILAYER-LINED STRUCTURE WHEREIN SHAPED MATERIAL COATED WITH LOW MELTING-POINT CERAMICS MATERIAL IS ALLOCATED AT OUTER LAYER OF LINING MATERIAL

PROBLEM TO BE SOLVED: To reduce permeability of a low melting-point material, such as zinc, penetrating into the tissue of a lining material at melting thanks to an outer sleeve of a second-layer shaped refractory, for eliminated occurrence of abnormality/disorder caused by permeation. SOLUTION: Rel...

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Bibliographische Detailangaben
1. Verfasser:	ARIGA KIKUO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS REFRACTORIES RETORTS SLAG TREATMENT OF NATURAL STONE WEAPONS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce permeability of a low melting-point material, such as zinc, penetrating into the tissue of a lining material at melting thanks to an outer sleeve of a second-layer shaped refractory, for eliminated occurrence of abnormality/disorder caused by permeation. SOLUTION: Related to a lining refractory for an electric induction furnace, an outer-most layer (non-operational layer) is at least a monolithic side-wall mold, and on an inner peripheral surface of the monolithic mold (outer sleeve), a ceramic material which forms a glass layer which softens and melts at 350 deg.C and resistant to 500 deg.C is applied, dried, and cured, and then softens and melts under received heat during use to form a glassy layer, and an outer sleeve of permeability (cmcm/cm g/cm sec) of 10 or less is worked on a wall part of a furnace body while its inner side layer (operation layer) is worked with a dry monolithic refractory, for an electric induction furnace of a multi-layer structure refractory.