• Requirements For Raw Materials In The Production Of ...

    Requirements for raw materials in the production of silicon calcium alloy. The raw materials for smelting silicon calcium alloys are silica, lime, coke, wood (or charcoal) and bituminous coal. Silica: The SiO2 content is required to be greater than 98%. The Al2O3+Fe2O3 content is less than 1%. The less other impurities, the better.

    Lee Más

  • STATE OF THE DIRECT REDUCTION AND REDUCTION …

    of 2000, which display a constant increase in the modern process metallurgy. Keywords: iron, coal, direct reduction, reduction smelting, main processes, reduction. 1. Introduction The processes that produce iron by reduction of iron ore below the melting point of the iron produced are generally classified as direct reduction processes, and the

    Lee Más

  • Bihar Foundary & Casting Limited, Ramgarh - Exporter of ...

    Silico manganese is an alloy with 60% to 68% manganese, 14% to 21% silicon , and 5% to 2.5% carbon. It is produced by smelting of slag from high-carbon Ferro Manganese or of Manganese ore with coke and a quartz flux in a submerged electric arc furnace.the process requires power consumption of about 3,800 to 4,800 kilowatt-hours per tonne.

    Lee Más

  • EP0326402B1 - Smelting reduction process - Google Patents

    EP0326402B1 EP19890300798 EP89300798A EP0326402B1 EP 0326402 B1 EP0326402 B1 EP 0326402B1 EP 19890300798 EP19890300798 EP 19890300798 EP 89300798 A EP89300798 A EP 89300798A EP 0326402 B1 EP0326402 B1 EP 0326402B1 Authority EP European Patent Office Prior art keywords smelting reduction gas oxygen reduction furnace slag Prior art date 1988-01-29 Legal …

    Lee Más

  • beneficio production process of iron and steel smelting ...

    Iron Ore Smelting Process Iron smelting is the process of making iron ore into iron the smelters heat up the iron ore to melting point using charcoal as fuel they then cast the heated iron ore into ingots called pigs the ingots were either reheated and cast into moulds or they were heated and hammered into wrought iron which is more malleable this job was usually.

    Lee Más

  • Manganese processing - The metal and its alloys | Britannica

    Manganese processing - Manganese processing - The metal and its alloys: More than 90 percent of the manganese produced goes into metallurgical applications, the pure metal being used in copper and aluminum alloys and ferromanganese and silicomanganese employed in steel and cast iron. Most manganese is consumed as high-carbon ferromanganese for addition to carbon steels.

    Lee Más

  • OVERVIEW OF THE STEELMAKING PROCESS

    Direct reduction Scrap Ladle (Refining) Electric arc furnace (Steelmaking) Iron Ore Pellets Electric Arc Furnace Steelmaking Continuous casting Design by Blisscommunication.com / Cover photo: ThyssenKrupp Steel / Tubes photo: Salzgitter The process shown above is illustrative only and is not designed to show the steelmaking process in detail.

    Lee Más

  • The occupation hazard of ferromanganese smelting

    Nov 29, 2012· Chemical poison, blast furnace smelting process resulting in toxic chemical manganese smoke, lead, carbon monoxide, carbon dioxide, nitrogen dioxide, sulfur dioxide and others. Ferromanganese alloy furnace workers might be exposed to the harm of lead, and lead in air of workshop content and ore furnace lead emissions and protective effects are ...

    Lee Más

  • Smelting Reduction: Most Efficient Technologies for ...

    Jul 19, 2019· By the type of smelting stage applied, three process groups can be distinguished: in-bed processes, in-bath processes, and electric smelting. The shaft furnace technology is applied for the reduction of pellet and lump ore, whereas fluidized bed technologies and cyclones are used for …

    Lee Más

  • Material-and energy-saving metallurgical complex for ...

    Sep 20, 2006· The proposed metallurgical complex includes the following: 9 smelting of low-manganese, low-silicon pig iron (less than 0.3% Mn and Si) from a manganese-free charge; 9 out-of-furnace desulfurization of the pig iron (to less than 0.005% S); 9 highly efficient production of steel from the low-impurity pig in a basic oxygen convener, with thorough ...

    Lee Más

  • Hot Metal Desulfurization_Steel Pipe knowledge_News_World ...

    The pre-desulfurization of hot metal has become an indispensable process is one of optimization of metallurgical production process, reduce ironmaking coke rate and increase productivity, reduce the consumption of lime and slag in the steel-making, etc., thereby reducing production costs. before

    Lee Más

  • Non-blast Furnace Iron Making Technology :: Total Materia ...

    However, the sharp drop in gas prices due to the Marcellus shale development has led to resurgence in interest in gas based DRI production. COREX is the first commercially operating alternative to the blast furnace for hot metal production, and HIsmelt is the world's first commercial smelting process for making iron straight from the ore.

    Lee Más

  • (PDF) COKE FREE IRON REDUCTION

    substances to th e process, the cost of steel production is reduced; - mixing lime as a desulfurizer and the passage of magnetic separation after recovery makes it possible to get rid of sulfur ...

    Lee Más

  • Calcium Silicon Uses as Deoxidizer and Desulfurizer for ...

    The calcium silicon alloy is hot sale product in our factory. It is mainly made of silica, lime and coke. So. the calcium silicon uses include deoxidizer and desulfurizer in industrial steel making and casting. Calcium silicon alloy is an ideal deoxidizer and desulfurizer for smelting high quality steel.

    Lee Más

  • MAGNESITE BASE DESULFURIZER OF METALLURGICAL …

    several problems in application of magnesium smelting process [Z]. Chinese magnesium industry, (2008) [5] Saxena S.K. Mass production of high quality steel by oxygen steelmaking the latest developments of hot metal desulphurization technology used. [P]. Metal + Metallurgy China ‘97, Rossborough manufacturing company and Ho-

    Lee Más

  • Deoxidization - Wikipedia

    Deoxidization is a method used in metallurgy to remove the oxygen content during steel manufacturing. In contrast, antioxidants are used for stabilization, such as in the storage of food. Deoxidation is important in the steelmaking process as oxygen is often detrimental to the quality of steel produced. Deoxidization is mainly achieved by adding a separate chemical species to neutralize the ...

    Lee Más

  • Production process of magnesium metal

    In the 1970s, magnesium was used as a desulfurizer for high-quality steel. Compared with traditional desulfurization methods, the process is simple, the utilization rate is high, and the effect is good. The practical castability, ductility, welding performance and impact toughness of steel are improved.

    Lee Más

  • Stainless steel | Outokumpu

    Stainless steel for a wide range of environments Maximizing your performance and optimizing solutions that fit your needs is our priority. Choosing the right stainless steel is the first step towards top-level performance, and Outokumpu experts are ready to identify the right solutions for you.

    Lee Más

  • Ferro Alloys | Rhodium Ferro Alloys Pvt. Ltd.

    Medium Carbon Ferro Manganese is made after smelting the manganese ore along with the medium carbon content coke/coal in electric furnaces and blast furnaces. Medium Carbon Ferro Manganese proves to be the excellent desulfurizer and deoxidizer and used in steel production. ... Ferro Phosphorous is a by-product of a process that involves ...

    Lee Más

  • Experimental Study on Deep Desulfurizer in LF Process

    Variety Steel Smelting Practice and Refining Effect Analysis in L F Furnace Process [J]. Research on Iron and Steel, 2007, 35(6): 8 (in Chinese). T h e Composition and Tempera-ture Dependence of ...

    Lee Más

  • Powdered Desulfurizer for Steelmaking

    The desulfurizer used in modern iron and steel production is mainly in the pretreatment desulfurization of molten iron and secondary refining of molten steel. Hot metal pretreatment desulfurization refers to the treatment process for desulfurization,desiliconization, and dephosphorization before the molten iron is fed into the steelmaking furnace.

    Lee Más

  • Ca-Fe Cored Wire | ALTech GROUP

    back. back. back

    Lee Más

  • Desulfurizer desulphurization kinetics by the injection ...

    Aug 01, 2008· Journal of University of Science and Technology Beijing Volume 15, Number 4, August 2008, Page 375 Metallurgy Desulfurizer desulphurization kinetics by the injection method Wei Wu, Zhijun Han, Yanbin Hu, and Wei Wu Metallurgical Technology Institute, Central Iron & Steel Research Institute, Beijing 100081, China (Received 2007-08-01) Abstract: To obtain a better desulphurization …

    Lee Más

  • China Customized High Carbon Ferromanganese Furnace ...

    Submerged arc furnace high carbon ferromanganese, with carbon content of 7%, is mainly used as a deoxidizer, a desulfurizer and an alloy additive in steelmaking process. And it can be used for medium/low carbon ferromanganese production with carbon content of 1.0~1.5% and 0.5%.

    Lee Más

  • What are the Effects of Impurity Elements on the ...

    When manganese exists as an impurity in steel, its mass fraction is generally less than 0.8%, and sometimes it may reach 1.2%. Manganese comes from pig iron and deoxidizer (ferromanganese) which are used as raw materials for steelmaking. In the steelmaking process, manganese is a good deoxidizer and desulfurizer. It has strong deoxidation ability.

    Lee Más

  • STUDY ON THE BEHAVIOR OF MAGNESIUM IN MOLTEN SALT ...

    In the modern steel production process, the hot metal pretreatment process plays an irreplaceable role in metal-lurgical process, especially in the clean steel smelting process because it can reduce the burden of removal of sulfur and other harmful impurities in converter and im-prove the quality of steel. Pretreatment of molten iron

    Lee Más

  • Smelting and Refining Technology Processes of Stainless Steel

    Almost 90% of all stainless steel manufacturing companies around the world use these methods, although majority prefers the AOD process. The AOD uses a vessel that has a 3 step process in refining the stainless steel. These are Decarburization, Reduction, and Desulphurization. Decarburization simply means reducing the carbon content in the steel.

    Lee Más

  • Experimental Study on Deep Desulfurizer in LF Process ...

    Apr 01, 2012· By using the deep desulfurizer, 211 heats ultra- low sulfur steel with a total amount of 5. 5 X lo4 t smel- ting steel production were developed in industrial condi- tion. The average ws of the production is 0.000 8 %, and the maximum ws is 0.001 2%.

    Lee Más

  • The Properties and Effects of Manganese as an Alloying Element

    The main product of the smelting process is a carbon-saturated ferroalloy consisting of 76 to 80% manganese, 12 to 15% of iron, 7.5% of carbon, and 1.2% of silicon. 70 to 80% of the manganese is recovered in the melt, and a slag consisting of 30 to 42% manganese is also achieved.

    Lee Más