WEBNov 1, 2012 · For production of 100 ton sponge iron, there are 154 ton of iron ore and 120 ton of (BGrade) coal required. The solid waste generated during this process is around 45 ton and out of which 25 ton ...
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WEBThe production process followed at Lloyd Metals and Energy Limited makes it unique and superior to its competitors. The Technical Specifiions of Sponge Iron: Discover the process and expertise behind our topnotch sponge iron manufacturing at Lloyds. We specialize in producing highquality Direct Reduced Iron (DRI) that fuels industries ...
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WEBNov 10, 2023 · 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 point are generally classified as DR ...
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WEBSponge Iron or Direct Reduction Iron ... DR processes can be broadly classified into two groups: (1) coalbased DR process and (2) gasbased DR process. Details of DR processes, reoxidation ...
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WEBA survey is made on a typical coal based Indian sponge iron plant of capacity 500 t/d in order to identify the largest energy losses and find ways to increase the efficiency. The required data are ...
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WEBMar 31, 2023 · The present output of sponge iron in India is about 7 MT/year. Out of which 50 % output is based on non–coking coal. » Out of the 73 DRI units in India, 70 units are coalbased and the rest 3 are gasbased. Further the capital cost for setting up of coalbased units is cheaper compared to Gasbased units.
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WEBThe present work is an attempt to conserve energy in coal based sponge iron industry incorporating certain design modifiions without disturbing the process technology. A typical sponge iron plant has been investigated to find out the potential areas where energy is being wasted. To recover heat from these areas two design modifiions, .
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WEBDRI production. Direct reduction of iron is the removal of oxygen from iron ore or other iron bearing materials in the solid state, without melting, as in the blast furnace. The reducing agents are carbon monoxide and hydrogen, coming from reformed natural gas, syngas or coal. Iron ore is used mostly in pellet and/or lumpy form.
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WEBDownload scientific diagram | Process flow diagram of the sponge iron plant. from publiion: Energy survey of the coal based sponge iron industry | A survey is made on a typical coal based ...
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WEBDec 24, 2018 · Direct reduced iron (DRI), also called sponge iron,[1] is produced from the direct reductionof iron ore (in the form of lumps, pellets, or fines) to iron by ...
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WEBDec 1, 2007 · This paper presents an approach to find the best modifiion in the coalbased sponge iron process with an aim to integrate energy in it. For this purpose, a few energy conservation cases are ...
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WEBDec 15, 2017 · The present paper proposes two energy integration options, Option1 and Option2, to compare power generation and preheating scheme in sponge iron accounts power generation whereas in Option2 preheating of feed material, slinger coal and kiln air is considered. These options utilize heat of waste gas .
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WEBMar 11, 2024 · About Sponge Iron: Directreduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) by a reducing gas produced from natural gas or coal. The reducing gas is a mixture, the majority of which is hydrogen (H2) and carbon monoxide (CO), which act as reducing agents.; .
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WEBSep 1, 2021 · TERI proposes to undertake the following activities in collaboration with SIMA (Sponge Iron Manufacturers Association ) in the coalbased DRI production process: Detailed mapping of DRI production units and shortlisting 23 prominent coalbased DRI manufacturing clusters representing domestic production ranges, existing and proposed .
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WEBThis paper presents an approach to find the best modifiion in the coalbased sponge iron process with an aim to integrate energy in it. For this purpose, a few energy conservation cases are ...
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WEBJan 19, 2018 · An innovative coalbased direct reduction process of lowgrade iron ore coal composite minipellets in lowtemperature rotary kiln has been developed by Central South University. In this approach, 3–8 mm pellets were made of mixture of sodium additives, iron ore and coal.
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WEBMay 1, 2018 · This paper presents an approach to find the best modifiion in the coalbased sponge iron process with an aim to integrate energy in it. For this purpose, a ... Engineering, Environmental Science. 2011; During the operation in the coal based sponge iron plant, a tremendous amount of heat is generated and significant part of this heat ...
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WEBApr 26, 2023 · For production of 100 ton sponge iron, there are 154 ton of iron ore and 120 ton of (BGrade) coal required. The solid waste generated during this process is around 45 ton and out of which 25 ton ...
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WEBDec 14, 2013 · Direct Reduced Iron. Direct reduced iron (DRI) is the alternative iron source for steelmaking. Its advantages as a iron product and diluent for impurities, introduced with scrap, are well documented. DRI is also known as sponge iron. It refers to porous iron produced by the direct reduction (DR) process.
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WEBAug 7, 2016 · Coal plays a dual role in the Kiln. Part of coal is used as fuel to supply the desired heat so as to take the raw materials to the desired temp. But main role of coal is to supply carbon in the reduction process. Dolomite is used as sulphur scavenger which finally comes out with the char. Char contains ash of coal and other impurities of iron ore.
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WEBJul 16, 2017 · The document discusses the inputs and process for manufacturing sponge iron in a rotary kiln. It describes the chemical and physical composition of iron ore, coal, and dolomite that are fed into the kiln. ... structural, hot rolled plates and coils. JSPL operates the largest coalbased sponge iron plant in the world and has an installed ...
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WEBNov 21, 2008 · Modeling the process. Sponge iron particles can be considered as spherical shape with average diameter of 1 ... The present work is an attempt to conserve energy in coal based sponge iron industry incorporating certain design modifiions without disturbing the process technology. A typical sponge iron plant has been .
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WEBJul 29, 2010 · The carbon content in sponge iron produced by coal based rotay kiln processes are generally low and is in the range og % to %.The carbon content in gas based processes can be controllrd to a level of % to % based on requirement for steel making. ... COMPARISON BETWEEN GAS AND COAL BASED PROCESS Gas .
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