furnace for sponge iron

  • Pig Iron Manufacturing Process

    Pig Iron Manufacturing Process. View Larger Image; Table of Contents. Electric Furnace Production of Pig Steel ... there is not so great an opportunity for the iron to come in contact with the coke as is the case in blast-furnace smelting when sponge iron is carburized at the tuyeres, so that a comparatively pure product settles out in the ...

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  • US4248624A - Use of prereduced ore in a blast furnace ...

    The composition of the sponge iron is selected so as to realize an increase in the production of pig iron and a decrease in the consumption of coke while simultaneously maximizing the over-all economy and efficiency of the blast furnace operation.

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  • Direct reduced iron - Wikipedia

    Nov 18, 2018· The process of sponge iron making aims to remove the oxygen from iron ore.Sponge iron is not useful by itself, but can be processed to create wrought iron. The sponge is removed from the furnace, called a bloomery, and repeatedly beaten with heavy hammers and folded over to remove the slag, oxidise any carbon or carbide and weld the iron ...

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  • Bloomery - Ancient Mobile Furnace - YouTube

    Mar 14, 2015· A bloomery is a type of furnace once widely used for smelting iron from its oxides. The bloomery was the earliest form of smelter capable of smelting iron. A bloomery's product is …

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  • Difference Between Sponge Iron and Pig Iron l Sponge Iron ...

    Sponge iron has many advantages over other similarly smelted iron forms. Sponge iron is superior to pig iron as it is richer in iron content. Because of this property, it has many uses in electric furnaces. We can mix sponge iron, in its powdered form with many other metals to manufacture a variety of iron-containing products.

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  • Use of Direct Reduced Iron in Electric Arc Furnace ...

    Use of Direct Reduced Iron in Electric Arc Furnace. Electric arc furnace (EAF) operations have improved significantly over the past 30 – 40 years. Future significant improvements will need either new melting technologies or faster power input capabilities.

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  • Modeling and Simulation of the MIDREX Shaft Furnace ...

    There are several technologies, like MIDREX 1 and H.Y.L 2 using the countercurrent shaft furnace to make sponge iron. In MIDREX technology, the furnace is a vertical shaft (Fig. 1 ). A charge of pelletized or lump ore is loaded into the top of the furnace …

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  • continuous heat treatment furnace/sponge iron kiln process ...

    Ductile Iron Pipe Equipment, Ductile Iron Pipe Plant, continuous heat treatment furnace, sponge iron kiln process. As the engineering equipment supplier of world's largest casting pipe corporation, Handan metallurgical engineering and Research Co., LTD. combines with the actual production experience, paying attention to the development of the casting pipe technology and technical equipment ...

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  • Direct Reduced Iron (DRI) | International Iron Metallics ...

    In India there are many small rotary kiln furnaces producing DRI, known locally as sponge iron, using coal as energy and reductant source. Some of the sponge iron plants are captive to steel mills, but there is a significant domestic merchant market, India producing 57% of its crude steel in electric arc furnaces (2016).

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  • Electric Arc Melting Steel Iron Casting Furnace

    DC ARC furnace for Sponge iron/DRI (Direct Reduced Iron)/Spongy iron melting. When ferro ore was reduced to sponge iron by blast furnace, it must be melted by Electric Arc Furnace (EAF) to remove the impurities, then adjust the component to your required steel.

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  • Use of Direct Reduced Iron in the Electric Furnace

    tion furnaces, this sponge iron with ap- proximately 0.17 pct carbon has not until recently been used in higher amounts for stainless steel with extra low carbon specifications in this type of furnace. Sponge iron with the analysis reported (carbon 0.17 pct and oxygen …

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  • Sponge Iron | Gagan Tmt

    Sponge iron furnaces could not be developed into a single entity to produce liquid metal. Increased scrap availability that was being traded world wide as a furnace RM. Blast furnace capacities increased from 0.7 Mt/yr in 1960s to over 4 Mt/yr. Today the largest gas based sponge iron module available is approx. 1.0 Mt/yr.

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  • Multiple Hearth Furnace Direct Reduced Iron - alanglover.co.za

    reduce magnetite to sponge iron in rotary hearth furnace. Equilibrium in reduction of antimony oxide with in the present study to reduce ... reduce magnetite to sponge iron in rotary hearth ... direct reduced iron furnace ... Get A Free Quote Direct reduced iron Wikipedia. Get Price; PRIMUS , a new process for the recycling of steelmaking by ...

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  • Sponge iron - an overview | ScienceDirect Topics

    DRI, also known as sponge iron, is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron, below the melting point of iron and typically in the range of 800–1200 °C. Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron …

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  • Sponge Iron-I - Apps on Google Play

    The melting furnace can be induction furnace, arc furnace or any other furnace. Sponge iron is popularly used to make steel in India. There are other Gulf and Asian countries which use sponge iron to make steel in large quantity.

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  • Melting behaviour of sponge iron in - [email protected]

    Laboratory has made an attempt to melt sponge iron in induction furnaces and optimize its melting behavour. It is possible to use continuous charging arrangements for melting of l(X)% sponge iron in induction furnace. Introduction Steel scrap is normally the feed stock for the production of steel in induction furnace.

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  • Study on Accretion Formation on DRI kiln during spong iron ...

    utility of sponge iron in other steel manufacturing processes like L.D. Converters, Open Hearth Furnaces (OHFs), Blast Furnaces (BFs) & Basic Oxygen Furnaces (BOFs), Induction Furnaces (IFs) and Cupolas. 1.2 Rotary Kiln Operation Generally in any sponge iron process, reduction is conducted in a refractory lined rotary kiln.

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  • Reduced Iron Powder | Sponge Iron Powder | - Metal Powder ...

    the sponge iron. The reduction process consists of two procedures, which are primary reduction (solid carbon reduction) and secondary reduction. The primary procedure mainly includes: (iron ore, rolled steel scales, etc.) → Drying → Magnetic Separation → Crushing → Sieving → Canning → Entering Primary Reduction Furnace → Sponge Iron.

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  • Sponge Iron | BHUSHAN

    Sponge iron is not useful in itself, but can be processed to create wrought iron. The sponge is removed from the furnace, called a bloomery , and repeatedly beaten with heavy hammers and folded over to remove the slag, oxidise any carbon or carbide and weld the iron together.

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  • Sponge Iron | Atibir Industries Company Limited | Steel ...

    Sponge iron is superior to pig iron as it is richer in iron content. Because of this property, it is widely used in electric furnaces. Sponge iron, in its powdered form can be mixed with many other metals to manufacture a variety of iron based products.

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  • iron and steel manufacturing process.ppt | Steel | Iron

    This technique produces 97.0 percent pure iron, which is called, solid Sponge Iron. Smelting Reduction Technologies In this process, the hot metal (liquid iron) is produced from iron ore in two steps.

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  • rotary kiln furnace in sponge iron plant

    rotary kiln furnace in sponge iron plant ... Iron. Fig. 2.5 Material balance in a rotary kiln sponge iron plant 2.4 FEATURES OF ... rotary kiln iron ore ... Cracking of an air tube used for supplying air in rotary kiln of a sponge iron plant is investigated in this paper. …

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  • Direct Reduced Iron | Industrial Efficiency Technology ...

    Direct Reduced Iron (DRI), also known as Sponge Iron, offers an alternative steel production route to BF-BOF and Scrap-EAF routes. In DRI, iron ore is reduced in its solid state – unlike BF process where a liquid metal is formed during reduction. DRI can then be transformed to steel in electric arc furnaces.

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  • “DEPHOSPHORIZATION OF STEEL PRODUCED FROM …

    This is to certify that the thesis entitled, “DEPHOSPHORIZATION OF STEEL PRODUCED FROM SPONGE IRON IN THE INDUCTION FURNACE” submitted by Mr. ABHILASH PUROHIT Roll No. 212MM2458 in partial fulfillment of the requirements for the award of Master of Technology Degree in Mechanical Engineering

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  • Steelmaking in Induction Furnace | ispatguru.com

    The main raw materials for steelmaking in induction furnace are (i) steel scrap, (ii) iron scrap or/and pig iron, (iii) sponge iron, (iv) carburizer, and (v) additives. Out of these the first three are metallics.

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  • Manufacturing Units - sunflagsteel.com

    SUNFLAG STEEL uses the (Sponge Iron + Hot Metal from MBF+ Plant Return Scrap)–Electric Arc Furnace–Ladle Refining Furnaces—Vacuum Degassing –Continuous casting machines –Rolling mills route, backed up by the state-of-the-art technology and computerized process control.

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  • Iron and Steel Making Machines - Coal Based DRI Plant ...

    Iron and Steel Making Machines Pioneers in the industry, we offer coal based dri plant rotary kiln, modular billet caster, vibro feeder, induction melting furnace, coal based dri plant tunnel kiln and programmable dynamic load manager from India.

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  • Studies on direct reduced iron melting in induction furnace

    The model of a fixed bed reactor for the production of sponge iron from haematite incorporates both heat- and mass-transfer, as well as the chemical reduction rate.

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  • Blast furnace - Wikipedia

    A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper. Blast refers to the combustion air being "forced" or supplied above atmospheric pressure.. In a blast furnace, fuel (), ores, and flux (limestone) are continuously supplied through the top of the furnace, while a hot blast of air ...

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  • STUDIES ON DIRECT REDUCED IRON MELTING IN …

    For induction furnace melting, the gangue content and unreduced iron oxide content of DRI should be as low as possible. Low iron oxide content is important for safety reasons as well as for energy consumption reasons. If a large quantity of unreduced iron oxide is introduced into a high carbon bath at high temperature, there is a vigorous ...

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