The electric stove is one of the indispensable in the production of special steel smelting equipment. More intense competition in the industry, conventional converter about 45 minutes out of steel, the use of the electric furnace 70 minutes or so, therefore, how to further shorten the electric arc furnace smelting time, reduce consumption, and thus substantially reduce the cost of the development of a number of special steel enterprises the internal need. Commonly used to strengthen the smelting furnace technology: high-temperature furnace 
 1, the electric furnace hot metal technology 
 The hot molten iron with a certain amount of physical heat, and high calorific value element containing carbon, silicon, manganese, Oxygen oxidation can release large amounts of chemical heat, scrap quickly become red-hot state, very easy to use oxygen cutting, and therefore can make use of hot metal, shorten smelting time, improve the efficiency of smelting. 
 Add Method: electric furnace with hot metal roof, that is, before adding the first material is about 50% of the total material, then the power Chuanjing about 8 minutes, power outages and unscrew the lid and lifting equipment will be equipped with hot metal molten iron package being lifted to the roof above the alignment the electrode Chuanjing hole parts will be poured into the furnace hot metal from the roof, about 3 minutes, then cover the lid powered smelting. Experimental electric furnace 
 2, high foaming slag 
 Slag foaming process is a high-impedance ultra high power electric arc furnace the best choice, good foam residue that can expand the interface of the metallurgical reactions, and it helps the migration of the reaction products; while being able to achieve good operation of the submerged arc, arc thermal efficiency greatly. improved. Tube furnace 
 RCB gun sprayed into oxygen and carbon in the molten pool oxidation reaction to produce large amounts of CO gas in a short period of time up to the formation of foamy slag conditions. With the oxidation of carbon in the molten pool, bath carbon content decreased, the need to keep to the furnace injection toner, in order to maintain the slag bubble, on the other hand, can also reduce the iron oxide content in the slag, improve the metal The recovery rate. As the reaction proceeded, the alkalinity of the slag decreased, foamy slag becomes unstable, then need to be in the smelting process should be timely in batches add lime to improve the slag basicity. High-temperature atmosphere furnace 
 Source: Luoyang City Yongtai test equipment research center http://www.lyytdl.com 
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