It is then ground in a ball mill and sized generally finer than GU. Air cooled slag is produced by permitting the mol- ten slag to harden in a pit under prevailing atmospheric conditions. Search Contracts. Look at the weld . Slag is usually a mixture of metal oxides and silicon dioxide. Beyond the slag was a colliery with its machinery and smoking chimney, making the whole area look grim and austere. Slag inclusions occur when the molten slag does not solidify on the exterior surface of the weld. LEO.org: Your online dictionary for English-German translations. See more. See more. Made by melting and casting in a mold. 1. scoria :: scoria. Seminar concentrates on optimization of … The roof consists of three holes through which the electrodes are inserted. The main parts of the electric furnace are the roof, hearth (lower part of a furnace, where molten metal is collected), electrodes, and sidewalls. noun A hollow or depression of land. Weld slag inclusions can be caused by improper welding technique, improper flux or improperly handled flux. 1. My papa used to pour slag in a steel mill. Noun. Different Forms. from The Century Dictionary. ‘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.’ translation and definition "Slag", Dictionary English-English online. Slag is usually a mixture of metal oxides and silicon dioxide. Slag is a coating. Molten slag is tapped from a blast furnace, rapidly quenched with water ("granulated"), dried and ground to a fine powder. … Hence, the impacting behavior of a molten slag droplet is an essential problem that is needed to be understood. Welding Slag is formed by metal oxides and other chemical compounds. Slag needs to be removed so that you can; 1. 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. In the 1700s, it was combined with lime to make mortar. In slag wool manufacturing, slag is the primary component and other additives are used to make up for deficiencies in the raw material. Mineral wool definition, a woollike material for heat and sound insulation, made by blowing steam or air through molten slag or rock. A molten slag container according to claim 2 wherein the lid is double hinged. 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. The process is initiated by an arc that heats up the slag. The weld pool is shielded by this slag which moves along the full cross section of the joints as welding progresses. 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. 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. The present invention relates to a method and a system (11) for the detection of metal inclusions in molten slag, with a metal fraction entrapped in non metallic molten slag material. Slag is drawn off the furnace just before the molten steel is poured into ladles for ingotting. Coal gasification has been applied in clean coal technologies to produce gas fuels or chemical products. During blast furnace operations, the plant operator pays careful attention to the slag chemistry (both composition and variability) as slag behavior is a major consideration in ensuring the quality of hot metal (molten iron). Taphole definition, a hole in a blast furnace, steelmaking furnace, etc., through which molten metal or slag is tapped off. 2. en.wiktionary.org . Definition of molten slag. Made liquid by heat; melted: molten lead. Clauses. However, slags can contain metal sulfides and elemental metals. The process of manufacturing slag into cement begins when molten slag is water-cooled and either pelletized or granulated. Reduction smelting is usually performed in blast furnaces and matte smelting in reverberatories, but there are exceptions in both cases. The hearth includes metal and slag. Slag cement is as old as iron-making itself. means fused and vitrified matter separated during the reduction of a metal from its ore. Contracts. The layer on top of your weld left after you have welded. Slag definition: Slag is an insulting term for a woman who has a lot of sexual partners . 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. Search Clauses. Click here to see list of references, authorities, sources and geographical terms as used in this glossary. en.wiktionary.org. 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. A welding process that produces coalescence of metals with molten slag that melts the filler metal and the surface of the workpieces. Prev: moler Next: molybdenum Glossary Search . The scoria of a volcano. 2. Ladle definition is - a deep-bowled long-handled spoon used especially for dipping up and conveying liquids. A waste product of smelting; usually a mixture of silicates. 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. Slag is a product resulting from the action of a flux on the non-metallic constituents of a processed ore. slag /slæɡ/ Definitions. Molten slag is removed from one end of the furnace and ferronickel is removed from the other end for refining and shipment. We reduce the Earth to molten slag, then sell it. Because of the high-temperature operating condition, the generated slag is molten and sticks easily on the refractory surface or tubes during the combustion of the coal. Related Words (1) slag off :: ලකුණු ශෛලිය. Electroslag remelting is a process of remelting a consumable electrode utilizing the heat generated by an electric current passing through a molten slag between the electrode and the solidifying ingot. The iron is used to produce steel, and the molten slag is converted to a cement-like material by rapidly cooling it with water. scum that forms on the surface of molten metal. ten (mōl′tən) adj. Also available as App! Resources. (16) The concentrates are refined by smelting - they are melted, and the impurities are removed as a slag . Search Dictionary. Clauses Browse A-Z. 3. Mineral and/or Locality . How to use ladle in a sentence. A weld slag inclusion is a common discontinuity with the above-mentioned welding processes. The liquid nickel slag is transported by rail to a stockpile area where it is discharged and allowed to cool and solidify under ambient conditions (Fig. Dictionary. 8.4). Behälter für geschmolzene Schlacke nach Anspruch 2, wobei der Deckel doppelt angeschlagen ist. Smelting may be conducted in a blast furnace, a reverberatory furnace, or an electric furnace. To form a slag, or to cohere when heated so as to become a slag-like mass. Slag in welding is the result of and the by product of arc welding (welding with an electric arc). This kind of slag is obtained by melting iron ore in a blast furnace, containing at least two-thirds of crystalline slag mass and having hydraulic properties when activated properly. (15) Mineral fiber insulation, including fiber glass and rock wool, is produced from either molten glass, slag , or rock. Dictionary Browse A-Z. Brilliantly glowing, from or as if from intense heat: "A huge red bed of coals blazed and quivered with molten fury" (Richard Wright). However, slags can contain metal sulfides and elemental metals. Riduciamo la Terra a un ammasso di scorie fuse e poi la vendiamo. This rapid cooling, called quenching, creates glassy granules, which are then ground into the fine powder known as slag cement. a molten lava at about 27000 F. It is free from deleterious materials such as: shale, chert, clay, and organic matter. Ferrous and non-ferrous smelting processes produce different slags. | Meaning, pronunciation, translations and examples The consumable electrods are as cast or forged cylindrical parts made of an alloy to be remelt. Gegenstand nach Anspruch 31, wobei die Schlacke geschmolzen ist. 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. v. Archaic A past participle of melt. 3. The melted metal may be covered with a protecting slag . Define Slag. Slag is a molten oxide that floats on the surface of a molten metal and protects it. * 2010 , Yuri N. Toulouevski, Ilyaz Y. Zinurov, Innovation in Electric Arc … Contracts Browse A-Z; Browse by Tag: Category Country Jurisdiction US State Company Person Law Firm Filing ID SEC Filing Type SEC Exhibit ID. Synonyms. Bringing coal into the 21st century The impurities which result and are separated out when melting a metal or refining it from its ore; also, vitrified cinders. Offering forums, vocabulary trainer and language courses. 2. dross :: බොර. slag, slags. Prepare your weld project for protective painting or galvanization . Ref: Kirk. After the slag has cooled sufficiently to be handled it is excavated with power machinery, crushed, and screened to desired sizes. The object of claim 31, wherein said slag is molten. As used in this glossary and other additives are used to make mortar matte smelting in reverberatories, there. Ferronickel is removed from the action of a molten oxide that floats on non-metallic..., wobei der Deckel doppelt angeschlagen ist, then sell it for deficiencies in 1700s! By this slag which moves along the full cross section of the furnace just before the steel! Forms on the non-metallic constituents of a metal or refining it from its ore ; also, vitrified cinders and... 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