Coating material for carbonization chamber in coke furnace and method of applying the same

A coke furnace is coated with a coating film which has a high strength, high impact resistance, excellent smoothness, and high durability and is capable of protecting the refractory bricks of the coke furnace over long. A coating material which comprises as main ingredient 18 to 70% by weight SiO2,...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAI, SHIGERU, ONOZAWA, TERUO, KASAOKA, SHIZUKI, ANDO, TAKESHI
Format:	Patent
Sprache:	chi ; eng
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:	A coke furnace is coated with a coating film which has a high strength, high impact resistance, excellent smoothness, and high durability and is capable of protecting the refractory bricks of the coke furnace over long. A coating material which comprises as main ingredient 18 to 70% by weight SiO2, and 10 to 60% by weight Na2O and/or K2O and contains at least one member selected among 2 to 14% by weight P2O5, 0.5 to 25% by weight BaO, 0.5 to 25% by weight SrO, and 0.5 to 20% by weight Fe2O3 is sprayed over refractory bricks to remove the carbon adherent to the bricks and form an excellent coating layer.