Refractory compositions, in situ anti-oxidation barrier layers and method for forming a single-use working lining in a metallurgical vessel
A refractory composition for forming a working lining in a metallurgical vessel contains a coarse-grain refractory particle fraction and a fine-grain refractory particle fraction, or at least 0.25% additive calcium oxide, or at least 0.25% titanium dioxide. The coarse-grain refractory particles can...
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| creator | SCHANER, DANIEL T MOHANTY, BEDA MADDALENA, ROGER L |
| description | A refractory composition for forming a working lining in a metallurgical vessel contains a coarse-grain refractory particle fraction and a fine-grain refractory particle fraction, or at least 0.25% additive calcium oxide, or at least 0.25% titanium dioxide. The coarse-grain refractory particles can include alumina particles, magnesia particles, magnesium aluminate spinel particles, zirconia particles, or doloma particles, or a combination of any of these particles. The fine-grain refractory particles can be comprised of any low-magnesia refractory oxide. The refractory composition can be applied to a metallurgical vessel by spraying, gunning, shotcreting, vibrating, casting, troweling, or positioning preformed refractory shapes, or a combination of any of these techniques. When contacted by molten metal, the molten metal penetrates into the refractory material, wetting the coarse-grain refractory particles, and forming a refractory-metal composite barrier layer that decreases or blocks oxygen transport throug |
| format | Patent |
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When contacted by molten metal, the molten metal penetrates into the refractory material, wetting the coarse-grain refractory particles, and forming a refractory-metal composite barrier layer that decreases or blocks oxygen transport throug</description><subject>ARTIFICIAL STONE</subject><subject>BLASTING</subject><subject>CEMENTS</subject><subject>CERAMICS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</subject><subject>CONCRETE</subject><subject>DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE</subject><subject>FURNACES</subject><subject>HEATING</subject><subject>KILNS</subject><subject>LIGHTING</subject><subject>LIME, MAGNESIA</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>OVENS</subject><subject>REFRACTORIES</subject><subject>RETORTS</subject><subject>SLAG</subject><subject>TREATMENT OF NATURAL STONE</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNTDsKwkAQTWMh6h3mAKZSibYRRVsJWIYxmcTBzU6Y3ag5g5d2FzyAxeM93m-afC7UKFZedIRKul4cexbrlsAWgh4AredU3lxjDOCGqkwKBkdSF9IaOvJ3qaERjejYtoBha1tD6eAIXqKPaBq2kcIxxg0aM2jLFRp4knNk5smkQeNo8eNZAsdDsT-l1EtJrseKLPmyuJ6362yXbfJ89UflC6xDThc</recordid><startdate>20240711</startdate><enddate>20240711</enddate><creator>SCHANER, DANIEL T</creator><creator>MOHANTY, BEDA</creator><creator>MADDALENA, ROGER L</creator><scope>EVB</scope></search><sort><creationdate>20240711</creationdate><title>Refractory compositions, in situ anti-oxidation barrier layers and method for forming a single-use working lining in a metallurgical vessel</title><author>SCHANER, DANIEL T ; MOHANTY, BEDA ; MADDALENA, ROGER L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_TWI847975BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2024</creationdate><topic>ARTIFICIAL STONE</topic><topic>BLASTING</topic><topic>CEMENTS</topic><topic>CERAMICS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</topic><topic>CONCRETE</topic><topic>DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE</topic><topic>FURNACES</topic><topic>HEATING</topic><topic>KILNS</topic><topic>LIGHTING</topic><topic>LIME, MAGNESIA</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>OVENS</topic><topic>REFRACTORIES</topic><topic>RETORTS</topic><topic>SLAG</topic><topic>TREATMENT OF NATURAL STONE</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SCHANER, DANIEL T</creatorcontrib><creatorcontrib>MOHANTY, BEDA</creatorcontrib><creatorcontrib>MADDALENA, ROGER L</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SCHANER, DANIEL T</au><au>MOHANTY, BEDA</au><au>MADDALENA, ROGER L</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Refractory compositions, in situ anti-oxidation barrier layers and method for forming a single-use working lining in a metallurgical vessel</title><date>2024-07-11</date><risdate>2024</risdate><abstract>A refractory composition for forming a working lining in a metallurgical vessel contains a coarse-grain refractory particle fraction and a fine-grain refractory particle fraction, or at least 0.25% additive calcium oxide, or at least 0.25% titanium dioxide. 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| language | chi ; eng |
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| subjects | 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 HEATING KILNS LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY OVENS REFRACTORIES RETORTS SLAG TREATMENT OF NATURAL STONE WEAPONS |
| title | Refractory compositions, in situ anti-oxidation barrier layers and method for forming a single-use working lining in a metallurgical vessel |
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