… A weld slag inclusion is a common discontinuity with the above-mentioned welding processes. The consumable electrods are as cast or forged cylindrical parts made of an alloy to be remelt. | Meaning, pronunciation, translations and examples Ref: Kirk. means fused and vitrified matter separated during the reduction of a metal from its ore. Contracts. The object of claim 31, wherein said slag is molten. Coal gasification has been applied in clean coal technologies to produce gas fuels or chemical products. Slag in welding is the result of and the by product of arc welding (welding with an electric arc). Molten slag is tapped from a blast furnace, rapidly quenched with water ("granulated"), dried and ground to a fine powder. A welding process that produces coalescence of metals with molten slag that melts the filler metal and the surface of the workpieces. Synonyms. noun The earthy matter separated, in a more or less completely fused and vitrified condition, during the reduction of a metal from its ore. noun The scoria of a volcano. Definition of molten slag. (16) The concentrates are refined by smelting - they are melted, and the impurities are removed as a slag . Contracts Browse A-Z; Browse by Tag: Category Country Jurisdiction US State Company Person Law Firm Filing ID SEC Filing Type SEC Exhibit ID. Slag is usually a mixture of metal oxides and silicon dioxide. How to use ladle in a sentence. We reduce the Earth to molten slag, then sell it. However, slags can contain metal sulfides and elemental metals. Seminar concentrates on optimization of … Slag cement (also called ground granulated blast furnace slag) is a hydraulic cement produced during the reduction of iron ore to iron in a blast furnace. It should be noted that a key difference between iron blast furnace slag and slag obtained from a base metal operation is the presence of calcium and the glass content. Clauses. Molten slag is removed from one end of the furnace and ferronickel is removed from the other end for refining and shipment. Reduction smelting is usually performed in blast furnaces and matte smelting in reverberatories, but there are exceptions in both cases. 8.4). Molten coal ash will flow out of a taphole in the bottom of the vessel and into a water-filled quench bath to become a solid slag that can be used as a building material. 2. In accordance with EN 15167-1 , granulated blast furnace slag is a vitrified material produced by rapid cooling of a molten slag of suitable composition. Slag is drawn off the furnace just before the molten steel is poured into ladles for ingotting. Slag is a coating. Slag is usually a mixture of metal oxides and silicon dioxide. A molten slag container according to claim 2 wherein the lid is double hinged. The scoria of a volcano. * 2010 , Yuri N. Toulouevski, Ilyaz Y. Zinurov, Innovation in Electric Arc … Made by melting and casting in a mold. The two most important types are reduction smelting, which produces molten metal and molten slag, and matte smelting, which produces molten matte and molten slag. Dictionary Browse A-Z. Mineral wool definition, a woollike material for heat and sound insulation, made by blowing steam or air through molten slag or rock. Prev: moler Next: molybdenum Glossary Search . Smelting may be conducted in a blast furnace, a reverberatory furnace, or an electric furnace. Slag cement is as old as iron-making itself. This rapid cooling, called quenching, creates glassy granules, which are then ground into the fine powder known as slag cement. However, slags can contain metal sulfides and elemental metals. Ladle definition is - a deep-bowled long-handled spoon used especially for dipping up and conveying liquids. scum that forms on the surface of molten metal. ten (mōl′tən) adj. Brilliantly glowing, from or as if from intense heat: "A huge red bed of coals blazed and quivered with molten fury" (Richard Wright). Beyond the slag was a colliery with its machinery and smoking chimney, making the whole area look grim and austere. After the slag has cooled sufficiently to be handled it is excavated with power machinery, crushed, and screened to desired sizes. The smelting of copper, lead and bauxite in non-ferrous smelting, for instance, is designed to remove the iron and silica that often occurs with those ores, and separates them as iron-silicate-based slags. Slag is a product resulting from the action of a flux on the non-metallic constituents of a processed ore. The melted metal may be covered with a protecting slag . en.wiktionary.org. A waste product of smelting; usually a mixture of silicates. v. Archaic A past participle of melt. 1. 1. scoria :: scoria. ‘The blasts shot towards the small shielded orb and reduced the metal to molten slag.’ ‘The waste product slag was also increasingly used in road and house building.’ ‘Blast furnaces are used to recycle slag, dross, and residues from other processes.’ ‘In particular, tuyeres in the furnace became blocked with slag.’ Weld slag inclusions can be caused by improper welding technique, improper flux or improperly handled flux. In slag wool manufacturing, slag is the primary component and other additives are used to make up for deficiencies in the raw material. Shotting definition is - a process for producing metal shot or powders by dropping molten metal (such as lead) through small openings from a height (as in a shot tower) so that the metal forms spherical drops in the descent that are received in water or other liquid. 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