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Coal Based Sponge Iron Process

2 Coalbased sponge iron process The process of the direct reduction of haematite in a rotary kiln is schematically described in the Fig 1 Haematite and noncoking coal are fed to the kiln at controlled rates without premixing and the charge moves through the kiln depending upon the rotation speed and inclination of the kiln

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  • coal based rotary kiln reduction process slrn india

    coal based rotary kiln reduction process slrn india

    2 Coalbased sponge iron process The process of the direct reduction of haematite in a rotary kiln is schematically described in the Fig 1 Haematite and noncoking coal are fed to the kiln at controlled rates without premixing and the charge moves through the kiln depending upon the rotation speed and inclination of the kiln

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  • India production share of sponge iron by process route

    India production share of sponge iron by process route

    Oct 16 2020 Around 86 percent of the sponge iron produced in India in fiscal year 2020 was under coal based process route This was due to numerous coal based units present in

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  • Energy survey of the coal based sponge iron industry

    Energy survey of the coal based sponge iron industry

    Sep 01 2015 The actual process of the coal based sponge iron production is based on SLRN process jointly developed by the Steel Company of Canada Lurgi Chemie Republic Steel Company and National Lead Corporation in 1964 which works on direct reduction of oreThis process is adopted by worldwide conventional sponge iron industries

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  • PDF Modeling of Rotary Kiln for Sponge Iron Processing

    PDF Modeling of Rotary Kiln for Sponge Iron Processing

    Direct reduction by treating with coal as reductantIn According to the adopted technologies coal fuelled kiln based process is mostly practiced by industries widelyThere are some key features which makes kiln based process different from other practiced sponge iron production A sealed environment prevents external air to get into the system

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  • Coal based Direct Reduction Rotary Kiln Process IspatGuru

    Coal based Direct Reduction Rotary Kiln Process IspatGuru

    Boudouard reaction dolomite DRI Iron ore metallization non coking coal pellets reduction Rotary kiln Sponge iron Sulphur Coal based Direct Reduction Rotary Kiln Process The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials

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  • PDF Operation of CoalBased Sponge Iron Rotary Kiln to

    PDF Operation of CoalBased Sponge Iron Rotary Kiln to

    Sponge iron is a type of iron produced by coal based or gasbased reduction of iron ore It is difficult to measure and control the degree of reduction or quality of the iron ore at intermediate

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  • sponge iron process 2010

    sponge iron process 2010

    Jul 29 2010 The carbon content in sponge iron produced by coal based rotay kiln processes are generally low and is in the range og 008 to 020The carbon content in gas based processes can be controllrd to a level of 15 to 20 based on requirement for steel making

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  • sponge iron process

    sponge iron process

    Jul 29 2010 The carbon content in sponge iron produced by coal based rotay kiln processes are generally low and is in the range og 008 to 020The carbon content in gas based processes can be controllrd to a level of 15 to 20 based on requirement for steel making

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  • The reasons for the success of Sponge Iron Industry in

    The reasons for the success of Sponge Iron Industry in

    Presently coal based units produce 90 of the total sponge iron in India Moreover Indias crude steel production grew at a CAGR of 675 between 200616 The production of EAF steel as a share of total steel grew at a steady rate from 57 2006 to 68 2012 thereafter this declined to 57 in the past four years ending 2016

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  • sponge iron price per ton today sponge iron briquette

    sponge iron price per ton today sponge iron briquette

    Coal based sponge iron process Production of sponge iron by gas is the most common way of producing sponge iron in the world However in India as the largest producer of sponge iron 70 of the product is produced by Coal based sponge iron process How a sponge iron production process is used in a region or country depends on the abundance of

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  • Generation of Energy Conservation Measures for Sponge Iron

    Generation of Energy Conservation Measures for Sponge Iron

    Generation of Energy Conservation Measures for Sponge Iron Plants Anil Kumar Prasad Vivek Kumarand Shabina Khanam Member IAENG Abstract During the operation a tremendous amount of heat is generated in the coal based sponge iron plant and a significant part of this heat associated with the waste gas remains unutilized While utilizing this heat in the process the energy demand of the

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  • Coal amp Gas based DRI Plant Rotary Kiln for Making Sponge

    Coal amp Gas based DRI Plant Rotary Kiln for Making Sponge

    Manufacturer of Coal amp Gas based DRI Plant Rotary Kiln for Making Sponge Iron Sponge Iron Plant Gas Based HYL DRI Plant and Coal Based DRI Plant offered by Remso Control Technologies Private Limited Greater Noida Uttar Pradesh

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  • Sponge iron industry needs quick actions for survival

    Sponge iron industry needs quick actions for survival

    Oct 25 2013 Coal gasificationbased sponge iron plant of Jindal Steel amp Power Ltd in Angul Odisha may become a game changer in the coming years This plant is likely to be commissioned in 2013 Cost of syn gas and efficient running of gasifiers will be the key of success of this promising sponge iron process

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  • Energy Audit Methodology of Sponge Iron Manufacturing

    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 251 to 311 This shows that the manufacturing process mostly uses thermal energy and application of electrical energy is insignificant

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  • Sponge Iron Gas Based Sponge Iron Manufacturer from

    Sponge Iron Gas Based Sponge Iron Manufacturer from

    Natural gas is reformed to enrich with 112 and Co mixture and this enriched and reformed gas mixture is preheated in gasbased process A vertical retort is used for the reduction of iron ore as against a rotary kiln in coal based sponge iron process When the gases are traveling upwards the charge moves downward by gravity

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  • Direct Reduced Iron and its Production Processes IspatGuru

    Direct Reduced Iron and its Production Processes IspatGuru

    Mar 16 2013 Major DRI production processes are either natural gas based or coal based Feed material for the DR process is either sized iron ore of size ranging from 10 mm to 30 mm or iron ore pellets of size ranging from 8 mm to 20 mm produced in an iron ore pellet plant The gas based process uses a shaft furnace for the reduction reaction

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  • sponge ironpptx Iron Steelmaking

    sponge ironpptx Iron Steelmaking

    Gasbased sponge iron is not subjected for magnetic separation as no contamination with nonmagnetic is possible either it can be cooled indirectly or briquetted in hot condition to get hot briquetted iron HBI B Solid Reducant or Coal Based Technologies This process utilizes noncoking coal as reducing agent along with lumpy rich grade iron ore

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  • Effluent and Emission Standards for Sponge Iron Plant

    Effluent and Emission Standards for Sponge Iron Plant

    The Sponge Iron Plant are free to explore other options possibilities to use char for generation of power Char can be sold to local entrepreneurs for making coal briquettes It can also be mixed with coal fines converted to briquettes and used in brick kilns The industry can explore other reuserecycling techniques for

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  • Top PDF Sponge Iron 1Library

    Top PDF Sponge Iron 1Library

    Coalbased sponge iron plant workers are not only at risk of developing respiratory diseases but many also have some form of respiratory disease Chattopadhyay 2016 The un healthy working environment is evidently a significant predic tor of healthrelated quality of life Taghavi et al 2014

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  • Sponge Iron Industry SlideShare

    Sponge Iron Industry SlideShare

    Nov 17 2012 Garbage Factor for a tonne of sponge iron unitINPUT in Tonnes OUTPUT in Tonnes16175 Iron Ore 182 Carbon Dioxide1215 Coal 025 Dust00350 5 Dolomite 029 Coal Char152 Water 002 Kiln accretions 02 Sulfur Dioxide with water vapour Water vapourSource Down to Earth September 162006

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  • Sponge Iron DRI The Hira Group

    Sponge Iron DRI The Hira Group

    Sponge Iron is a substitute of scrap in steel melting Although the reduction in the kiln is not direct the CO gas reduces the impurities and oxides of hematite and the resultant DRI is in the solid form this process is known as Direct Reduction Process Coal based DRI process is mainly preferred on account of better non contaminated Iron Fe

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  • Sponge Iron Manufacturer India

    Sponge Iron Manufacturer India

    Sponge iron produced using the non coking coal is called coal based sponge iron DRI For producing the sponge iron through this process requires high grade of iron ore and non coking coal Gas Based DRI HBI In this process route iron oxides are converted to the DRI HBI by using natural gas in a vertical shaft furnace

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  • PDF i Direct Reduced Iron Production

    PDF i Direct Reduced Iron Production

    be broadly classied into two groups 1 coalbased DR proces s and 2 gasbased DR process Details of DR processes reoxidation storage tran sportation and application of DRI are discussed in

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  • Development of energy conservations scenarios for sponge

    Development of energy conservations scenarios for sponge

    Jan 16 2011 It decreases coal consumption as coal is the only source of energy in this plant For energy integration in sponge iron process pinch technology is applied on the actual data of plant Based on this data seven energy conservation cases are identified Among these two are selected for detailed analysis based on utility requirement

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