sponge iron making process diagram





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Sponge Iron Plants | Steel Manufacturing Companies in ,The company has the world's largest coal-based sponge iron manufacturing facility at Raigarh, Chhattisgarh and stands out as the market leader in coal-based sponge iron industry within India , The plant uses direct reduced iron (DRI) process method of production and utilises ten indigenously developed rotary kilns (6 kilns of 300 tonnes per ....know more

Tunnel Kiln Coal Based DRI Plant - Electrotherm India ,These pellets are then used for making sponge iron Rotary kilns have a drawback upon the size and quality of iron ore that can be used Initially, when the process was first introduced, the ore with an iron content >/= 65% was preferred and the preferred size of ore was 5-18mm...know more

Iron-process iron making process - YouTubeSep 30, 2012· The Bessemer Converters increased in size from 5 tons to 30 tons, but the process was quickly rivalled by the Siemens process and was finally superceded in the UK in by the use of the 'Basic ....know more

What is Sponge Iron? (with pictures)Nov 18, 2019· Sometimes known as direct-reduced iron, sponge iron is a product that is produced using iron oreThe iron ore is often in the form of pellets or lumps, and is subjected to a reduction process that is created by the use of a reducing gas that emits from coal or a natural gas source This type of iron can be produced in several different types of furnaces, including coke or charcoal ovens, ,...know more

Part of History - How Sword Making Works | HowStuffWorksHow Sword Making Works by Jeff Tyson Part of History , A better sword was developed with the advent of iron , (releasing lots of heat in the process) Carbon and carbon monoxide combine with the oxygen in the iron ore and carry it away, leaving a porous, sponge-like mass called a bloom The bloom was then hammered to remove most of the ....know more

Phase Behavior in Iron/Carbon SystemMaking an iron rich porous slag, sponge iron , Iron/Carbon Phase Diagram Iron shows a eutectic with Carbon allowing for a lower melting alloy Body Centered Tetragonal 6 7 8 Carbon content can be reduced , Process annealing: A process used to relieve stress in a cold-worked carbon...know more

Finery forge - WikipediaA finery forge is a forge used to produce wrought iron from pig iron by decarburization The process involved liquifying cast iron in a fining hearth and removing carbon from the molten cast iron through oxidation Finery forges were used as early as 3rd century BC, based on archaeological evidence found at a site in Tieshengguo, China...know more

Iron and Steelmaking - vsbczPig iron is divided into steel-making pig iron, which is intended for further processing to steel by various refining processes, and foundry pig iron, from which cast iron is produced by re-melting Directly Reduced Iron Directly reduced iron is a product of iron (steel) direct reduction from ores in the solid...know more

WELSPUN STEEL LIMITEDThe process of sponge iron making aims to remove the oxygen from iron ore The quality of sponge iron is primarily ascertained by the percentage of metallization (removal of oxygen), which is the ratio of metallic iron to the total iron present in the product Sponge iron manufacture is highly sensitive to raw material characteristics...know more

sponge iron processJul 29, 2010· We are the largest producer of sponge iron using non coking coal as a reductant and and are having the largest coal based plant in the world We shall discuss in detail all technical aspects of coal base sponge iron making with particular reference to control of important process parameters to achieve quality sponge iron in this august gathering...know more

Direct reduced iron finalppt - SlideShareJul 15, 2015· Direct reduced iron finalppt , Sponge iron making process Albertus Septyantoko Sponge Iron Industry , Sateesh Kumar (DRI) Direct Reduction Iron Plant Flowsheet Options Gerard B Hawkins Corex Process in Iron Making Aditya Singh Pollution in the sponge iron industry Susmita Dasgupta English ....know more

AN INVESTIGATION FOR GENERATION OF ENERGY ,2 COAL BASED SPONGE IRON PLANT: A CONVENTIONAL PROCESS The process flow diagram of conventional coal based sponge iron plant is shown in figure 1 The operating data, shown in figure 1, is taken from a typical Indian coal based sponge iron plant where iron ore, feed coal and dolomite are fed to the rotary kiln...know more

The Making of Iron & Steel - SEAISITHE MAKING OF IRON AND STEEL 2 1 Overview , The electric arc furnace uses primarily electrical energy to supply heat to melt scrap steel, sponge iron, or mixtures of scrap and other iron units Compared to the BOS process, the EAF requires less chemical reaction for refining...know more

Energy survey of the coal based sponge iron industry ,The combined effect of above two advantages gives an impact on the process of sponge iron making Coal being the costliest raw materials for sponge iron making and if very high volatile material (VM) coals are used ie (fixed carbon) FC/VM ratio is 1 or less, it would be an ideal reductant to react...know more

Energy Audit Methodology of Sponge Iron Manufacturing ,Conducting complete energy audit (both process and utility) of a sponge iron unit is challenging as there is no laid down procedure to audit the process side Further, the average heat to power ratio (kW th /kW e ) of sponge iron plants ranges from (25:1) to (31:1) This shows that the manufacturing process mostly uses thermal energy and application of electrical energy is insignificant...know more

Melting behaviour of sponge iron in(1) The experience of melting sponge iron in induction furnaces infers that the best usage and melting of the sponge iron can be achieved if the particle size of the sponge iron is in close range and its metallization is + 90% The density of its particle should be as high as possible (2) Even acidic slag facilitiates the melting of sponge iron...know more

(PDF) i) Direct Reduced Iron: Productioni) Direct Reduced Iron: Production , This product is known as direct reduced iron (DRI) or sponge iron Processes that produce iron by reduction of iron ore (in solid state) below the melting ....know more

Sponge and Dough | Baking Processes | BAKERpediaThe sponge and dough method is a type of bulk fermentation used in commercial bread-making A light, airy sponge is created by mixing a portion of the flour, water, yeast and improving agents and allowing them to ferment Then, the remaining ingredients are mixed in...know more

Energy Audit Methodology of Sponge Iron Manufacturing ,Conducting complete energy audit (both process and utility) of a sponge iron unit is challenging as there is no laid down procedure to audit the process side Further, the average heat to power ratio (kW th /kW e ) of sponge iron plants ranges from (25:1) to (31:1) This shows that the manufacturing process mostly uses thermal energy and application of electrical energy is insignificant...know more

Direct Reduced Iron |authorSTREAMINDEX :- Introduction of DRI Iron making Direct reduced iron process (DRI) Raw materials for DRI Sponge iron discharge temperature Description of kiln Process in kiln Heat transfer in rotary kiln Process control parameters Reaction in kiln Quality of total product Uses of sponge iron,...know more

The HBI direct reduction process - voestalpineNov 03, 2016· The direct reduction process HBI is the product of reducing iron ore with natural gas This is called the direct reduction process and is an environmentally-friendly production process; a DRI plant uses natural gas which is more environmentally sound than coke The reduction process takes place in the reduction tower...know more

SPONGE IRON UNIT - SEILSteel Exchange India Limited is having a Sponge Iron manufacturing unit in technical collaboration with world renowned M/s Mannesmann Demag of Germany (CODIR Process) With an installed capacity of 2x350TPD and can able to produce Sponge Iron of 0225 Million Tons per Annum 1...know more

Sponge iron by the HyL process | SpringerLinkNov 24, 2017· Such a material can be used as a substitute for scrap in steelmaking furnac This article is a first-hand description of the production and utilization of sponge iron from a new process, the HyL process, in Mexico...know more

OVERVIEW OF THE STEELMAKING PROCESSIron Ore Pellets Electric Arc Furnace Steelmaking , Salzgitter The process shown above is illustrative only and is not designed to show the steelmaking process in detail Not all steel plants produce all of the products shown in this diagram worldsteelorg OVERVIEW OF THE STEELMAKING PROCESS Pellets Sinter Limestone Coke Iron Ore Coal Scrap...know more

(PDF) Production of Sponge Iron through Tunnel Kiln ProcessThe amount of sponge iron in the charge mix varies from 0-90% depending on its availability and economics of production Majority of the steel produced through induction furnace route is plain ....know more

The Making of Iron & Steel - SEAISITHE MAKING OF IRON AND STEEL 2 1 Overview , The electric arc furnace uses primarily electrical energy to supply heat to melt scrap steel, sponge iron, or mixtures of scrap and other iron units Compared to the BOS process, the EAF requires less chemical reaction for refining...know more

What is sponge iron? - QuoraDec 19, 2017· India is the world's largest producer of sponge iron, most of which is produced primarily through the coal based method of production Growth in the sponge iron production can be attributed largely to the popularity of secondary steelmaking route,....know more

Direct Reduction Process - an overview | ScienceDirect TopicsDRI is also known as sponge iron, it is a solid-state direct reduction process (Fig 26) Coal, dolomite and iron ore or pellets are fed into one end of a rotary kiln, while sponge iron and char are withdrawn from the other end Primary and secondary airs are supplied to the kiln to initiate combustion and reaction processes (Choudhury, 2014 ....know more

The HBI direct reduction process - voestalpineNov 03, 2016· The direct reduction process HBI is the product of reducing iron ore with natural gas This is called the direct reduction process and is an environmentally-friendly production process; a DRI plant uses natural gas which is more environmentally sound than coke The reduction process takes place in the reduction tower...know more

AN INVESTIGATION FOR GENERATION OF ENERGY ,2 COAL BASED SPONGE IRON PLANT: A CONVENTIONAL PROCESS The process flow diagram of conventional coal based sponge iron plant is shown in figure 1 The operating data, shown in figure 1, is taken from a typical Indian coal based sponge iron plant where iron ore, feed coal and dolomite are fed to the rotary kiln...know more