COATING AGENT FOR CARBONIZATION CHAMBER OF COKE OVENS AND APPLICATION METHOD THEREOF

The present invention provides a coating layer of the coke oven having a high strength, high impact resistance and excellent smoothness to enable long term protection of the fire brick of the coke oven. Carbon adhered to the brick can be removed by spraying a coating agent with a glaze layer mainly...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAKAI, SHIGERU, ONOZAWA, TERUO, KASAOKA, SHIZUKI, ANDO, TAKESHI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS FUELS GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS LIME, MAGNESIA LUBRICANTS METALLURGY MINERAL OR SLAG WOOL PEAT PETROLEUM, GAS OR COKE INDUSTRIES REFRACTORIES SLAG SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TECHNICAL GASES CONTAINING CARBON MONOXIDE TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The present invention provides a coating layer of the coke oven having a high strength, high impact resistance and excellent smoothness to enable long term protection of the fire brick of the coke oven. Carbon adhered to the brick can be removed by spraying a coating agent with a glaze layer mainly composed of 18 to 70% by weight of SiO2 and 10 to 60% by weight of Na2O and/or K2O and containing one or a plurality of 2 to 14% by weight of P2O5, 0.5 to 25% by weight of BaO, 0.5 to 25% by weight of SrO and 0.5 to 20% by weight of Fe2O3 onto the surface of a high temperature firebrick, thereby obtaining an excellent coating layer.