rotary kiln based sponge iron plant process pdf

  • SPONGE IRON PLANT

    The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and NonCoking coal Limestone, in small quantities, is also required to scavenge the sulphur IRON ORE The quality requirement of Sized ore for sponge iron production can be classified into: wwwspongeitc 2 1) Physical requirements: Strength and granulometry are the twoSponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets (Fig 1) The feed is introduced together with reducing and desulphurizing agents (limestone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge iron Depending on its content of volatile matter, the coal is partly blown into theOPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN AOperation of CoalBased Sponge Iron Rotary Kiln A graphic user interface is used by the operator to control the process Results of plant trials are described Minimum response time of a large(PDF) Operation of CoalBased Sponge Iron Rotary Kiln to

  • rotary kiln based sponge iron plant process pdf

    rotary kiln based sponge iron plant process pdf In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln The process is very energy demanding In order to identify the largest losses and to find ways to increase the efficiency, an energy survey of the sponge iron plant was carried out for a number of rotary kiln based sponge iron plant process pdf parameters is carried out for a sponge iron production process by designing a Multilayer Perceptron model that uses a momentum learning algorithm For this purpose data of temperature profile of rotary kiln are collected from typical sponge iron plant, which correlate four air inlets and twelve temperatures measured at different lengths of therotary kiln based sponge iron plant process pdfThe coal based rotary kiln process of making sponge iron is the focus of the present write up Although many different processes and CHAPTER 2 process concepts have been emerging in this area, there were rapid births and deaths of these processes and process concepts in the middle of the twentieth century But those operating successfully at present have many features in common Somerotary kiln based sponge iron plant process pdf

  • rotary kiln based sponge iron plant process pdf

    rotary kiln based sponge iron plant process pdf In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln The process is very energy demanding In order to identify the largest losses and to find ways to increase the efficiency, an energy survey of the sponge iron plant was carried out for a number of31 Material Balance in a Rotary Kiln sponge iron plant 14 32 Energy Balance in a Rotary Kiln sponge based iron making 14 33 Schematic of optimised Rotary kiln sponge iron making process 21 41 Industrial view of Sponge Iron making Rotary Kiln 24 42 Schematic view of internal heat exchange in Rotary kiln 26 43 Schematic view of Lobe Blower 27 44 Schematic view of Air & material flow inA Thesis Submitted for Partial Fulfillment of the Degreesponge iron plant, which correlate four air inlets and twelve temperatures measured at different lengths of the kiln Four different topologies are proposed for this data set to optimize the regression coefficients (R2) Firstly, these topologies are used to identify optimum value of output parameters based on value of R2 These values of output parameters meet the process requirementsSimulation of Rotary Kiln Used in Sponge Iron Process

  • rotary kiln based sponge iron plant process pdf

    process making sponge iron rotary kiln The coal based rotary kiln process of making sponge iron is the 22 A concise schematic coal based sponge iron process in south africa, Solution for Learn More rotary kiln for sponge iron plant 300,0001,500,000TPY31 Material Balance in a Rotary Kiln sponge iron plant 14 32 Energy Balance in a Rotary Kiln sponge based iron making 14 33 Schematic of optimised Rotary kiln sponge iron making process 21 41 Industrial view of Sponge Iron making Rotary Kiln 24 42 Schematic view of internal heat exchange in Rotary kiln 26 43 Schematic view of Lobe Blower 27 44 Schematic view of Air & material flow inA Thesis Submitted for Partial Fulfillment of the DegreeProblems of Rotary Kiln process a)Low productivity b)Building up of accretions or ring formation c)Erratic operation d)Heat loss through exit gas e)Sponge iron contains low carbon Minimization of these problems: a)Low productivityProductivity can be improved by: 1)High reactivity coal can be used 2)Pick up of ore with high reducibilityUSE OF SPONGE IRON NIT Jamshedpur

  • Energy Audit Methodology of Sponge Iron Manufacturing

    rotary Kiln and product sponge iron along with char is taken out from the other end Apart from this, primary and secondary airs are supplied to the Kiln to initiate the combustion and reaction processes The reaction takes place at high temp (1050 to 1065˚C ˚C) 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 theDetailed operation of this plant is discussed in the work of Prasad et al [2011] The operating parameters for this process are shown in Table 1 Fig 1 Process flow diagram of the sponge iron process with material and energy balanced data ROTARY KILN (RK) (900 C) (1020 C) Total air Flue gas Kiln Feed RC Sponge iron Water Hot Water DSC Dust: 1 T/hr ABC Water Air (+1mbar) Dust: 44 T/h ECCASE STUDY ON THRESHOLD PROBLEM Sponge Iron ProductionCoal based rotary kiln sponge iron plants have mushroomed in India mainly in the states of Madhya Pradesh, West Bengal, Orissa, Jharkhand, Goa, Andhra Pradesh , Karnataka and in small numbers in other states mainly due to relatively low investment costs, scarcity and high cost of quality steel scrap and on the assumption that the technology is not sophisticated and could be operated by lessDirect Reduced Iron Industry in India — Problems and Prospects

  • Flow of materials in rotary kilns used for sponge iron

    Looking forward to the need of developing coalbased sponge iron technology in India, a country having no significant resources of either coking coal or natural gas, the Research and Development Division of the Tata Iron and Steel Company Limited (TISCO) set up a rotary kiln based direct reduction pilot plant in 1975 In this pilot plant, a totally indigenous technology for production ofSKMRotary Kiln Sponge Iron Plant Pdf Rotary Kiln Process of Making Sponge Iron C 10 // Advances in Rotary Kiln Sponge Iron Plant A typical process scheme for making sponge iron in a rotary kiln is presented in Fig 21 While Fig 21 shows only the key steps, a more detailed scheme, as it would appear for a typical operating plant, isrotary kiln process of making sponge iron chapter 3· 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 The process has the advantage of low capitalCoal based Direct Reduction Rotary Kiln Process – IspatGuru

  • Simulation of Rotary Kiln Used in Sponge Iron Process

    sponge iron plant, which correlate four air inlets and twelve temperatures measured at different lengths of the kiln Four different topologies are proposed for this data set to optimize the regression coefficients (R2) Firstly, these topologies are used to identify optimum value of output parameters based on value of R2 These values of output parameters meet the process requirementsprocess making sponge iron rotary kiln The coal based rotary kiln process of making sponge iron is the 22 A concise schematic coal based sponge iron process in south africa, Solution for Learn More rotary kiln for sponge iron plant 300,0001,500,000TPYrotary kiln based sponge iron plant process pdfrotary kiln based sponge iron plant process pdf SPONGE IRON SL/RN ROTARY KILN BASED 100TPD DRI PROCESS, states that the plant floor has been in the, Get Price Simulation of Rotary Kiln Used in Sponge Iron mail: [ protected]) Anil K Poonia and Shabina Khanam, Member, IACSIT Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN Get Price Free Download Here Sponge Ironrotary kiln based sponge iron plant process pdf

  • rotary kiln sponge iron plant pdf Products

    rotary kiln sponge iron plant pdf 250tph river stone crushing line in Chile 200tph granite crushing line in Cameroon 250tph limestone crushing line in Kenya 250tph granite crushing line in South Africa MCC 120tph granite crushing line in Zimbabwe 400tph crushing plant in Guinea Chat Online [ protected] Based on many years of market experiences and R & D experiences, HGT gyratoryWaste gas from the rotary kiln of the sponge iron plant exits at a temperature around 900 CFeb 14, 2017 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 intoRotary Kiln Based Sponge Iron Plant ProcessFor this purpose data of temperature profile of rotary kiln are collected from typical sponge iron plant, which correlate four air inlets and twelve temperatures measured at different lengths of the kiln Four different topologies are proposed for this data set to optimize the regression coefficients (R2) Firstly, these topologies are used to identify optimum value of output parameters based[PDF] Simulation of Rotary Kiln Used in Sponge Iron

  • CASE STUDY ON THRESHOLD PROBLEM Sponge Iron Production

    Detailed operation of this plant is discussed in the work of Prasad et al [2011] The operating parameters for this process are shown in Table 1 Fig 1 Process flow diagram of the sponge iron process with material and energy balanced data ROTARY KILN (RK) (900 C) (1020 C) Total air Flue gas Kiln Feed RC Sponge iron Water Hot Water DSC Dust: 1 T/hr ABC Water Air (+1mbar) Dust: 44 T/h ECRotary Kiln Sponge Iron Plant Pdf parameters is carried out for a sponge iron production process by designing a Multilayer Perceptron model that uses a momentum learning algorithm For this purpose data of temperature profile of rotary kiln are collected from typical sponge iron plant which correlate four air inlets and twelve temperatures measured at different lengths of the Get a QuoteRotary Kiln Sponge Iron Plant PdfOperation of CoalBased Sponge Iron Rotary Kiln to Reduce Accretion Formation and Optimize Quality and Power Generation Shubhajit Mondal 1, Puneet Choudhary, Sampurna Borah 1, Brahma Deo, SusilOperation of CoalBased Sponge Iron Rotary Kiln to Reduce

  • DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A SPONGE IRON PLANT

    The waste gas from a sponge iron plant exits at a temperature of around 200300 C A lot of sensible heat is lost with these gases This heat is utilized to preheat the air entering to kiln Further, the waste gas at reduced temperature is used to cool hot sponge iron which is previously carried out by water Consequently, considerable energy and water savings is achived which increases the

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