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Sponge iron rotarykiln pdf

Aug 03, 2021

Download Free PDF. Download Free PDF. Modeling of Rotary Kiln for Sponge Iron Processing Using CFD package (ANSYS 13.0) A Thesis Submitted for Partial Fulfillment of the Degree Award Of MASTER OF TECHNOLOGY In CHEMICAL ENGINEERING Under the supervision of. Radhebihari Upadhyay

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  • PROSES REDUKSI BIJIH BESI LAMPUNG MENJADI
    PROSES REDUKSI BIJIH BESI LAMPUNG MENJADI

    sensitif dalam pembuatan sponge iron. Karakteristik kimia dan fisik merupakan faktor yang penting pada rotarykiln. Bahan baku bijih besi pada pabrik kotary kiln cukup fleksibel bisa berupa iron ore pellet, lump ore, atau pasir besi.5 Kandungan Fe minimum 53% dan kandungan gangue maksimum 5%. Batu kapur digunakan sebagai bahan aditif pada proses

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  • (PDF) Different processes of Sponge Iron production – A Review
    (PDF) Different processes of Sponge Iron production – A Review

    Feb 22, 2013 2D CFD model of rotary kiln of sponge iron process is developed to study the effects of angle of inclination, number of rotation and mass flow rate of iron ore on output parameters

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  • CHAPER-II OVERVIEW OF IRON AND STEEL INDUSTRY
    CHAPER-II OVERVIEW OF IRON AND STEEL INDUSTRY

    Sponge Iron During the early 90s, the sponge iron industry had been specially promoted so as to provide an alternative to steel melting scrap, which was increasingly becoming scarce. The production of sponge iron (Direct Reduced Iron - DRI) during the period 1991-92 to 2002-03 was as under:

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  • (PDF) Spontaneous burning of sponge iron | varun suri
    (PDF) Spontaneous burning of sponge iron | varun suri

    No.1, Issue No. I, July ISSN-2319-8354 Fig – 1, Sponge Iron Sponge iron is the product created by heating an iron ore at a temperature high enough to burn off its oxygen and carbon content but below iron's melting point. Concept of Sponge Iron:- The appearance of iron ore is completely changed when it gets converted to sponge iron of its

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  • DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A
    DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A

    Sponge iron is the metallic form of iron produced from reduction of iron oxide below the fusion temperature of iron ore (1535 oC) by utilizing hydrocarbon gases or carbonaceous fuels as coal. The reduced product having high degree of metallisation exhibits a „honeycomb structure‟ due to which it is named as sponge iron

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  • No. 11.7 HBI – Hot Briquetting of Direct Reduced Iron
    No. 11.7 HBI – Hot Briquetting of Direct Reduced Iron

    During direct reduction, oxygen is removed from iron ore in solid state. This procedure results in a spongy structure of the product, thus Sponge Iron , with a high porosity. De-pending on the raw material and the reduction process applied, apparent product density is approx. 2 g/cm associated with a very high specific surface area. The

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  • Techno Economic Feasibility Report of M/s Bravo
    Techno Economic Feasibility Report of M/s Bravo

    Sponge iron is the metallic form of iron and Scarp substitute produced from reduction of iron oxide below the fusion temperature of iron ore (15350C) by utilizing hydrocarbon gases or carbonaceous fuels as coal. The reduced product having high degree of metallization exhibits a honeycomb structure, due to which it is named as sponge iron

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  • DRI UPDATE - Sponge Iron Manufacturer India
    DRI UPDATE - Sponge Iron Manufacturer India

    based DRI plants like PI Tata I Steel, Bihar Sponge Iron Ltd, Odisha Sponge iron Ltd etc were set up. Major growth in coal based sector from 2003-04 to 2008-09. In early 90’s three gas based DRI plants were set up in the west coast due to the availability of natural gas at that time

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  • Tata Sponge - Tata Steel Long Products Limited
    Tata Sponge - Tata Steel Long Products Limited

    TATA SPONGE IRON LIMITED 6 Integrated Report & Annual Accounts 2018-19. With a consistent focus on quality and operational excellence, we have set an industry benchmark in terms of capacity utilisation. We have an installed capacity of 390,000 TPA of sponge iron

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  • Use Of Sponge Iron In Steel Production ebook PDF
    Use Of Sponge Iron In Steel Production ebook PDF

    Use Of Sponge Iron In Steel Production. Download and Read online Use Of Sponge Iron In Steel Production ebooks in PDF, epub, Tuebl Mobi, Kindle Book. Get Free Use Of Sponge Iron In Steel Production Textbook and unlimited access to our library by

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  • High-pressure briquetting of iron ore fines & sponge
    High-pressure briquetting of iron ore fines & sponge

    Briquetting of sponge iron nes - Sponge iron has a strong tendency to spontaneously ignite due to its high porous structure, which needs passivation by way of briquetting to facilitate the storage, transportation & proper melting. For briquetting the sponge iron nes of 0-3 mm size, usually the binder employed is 2% sodium silicate (Na 2O SiO

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  • charge passes in a rotary kiln
    charge passes in a rotary kiln

    100 tpd rotary kiln - pdf free download. RotaryKilnOperation .KilnFeed vsKilnspeed calculation.RotaryKiln- Refractory Lining 13. This material is cooled in arotarycooler, which is sealed from the ambient atmosphere, fitted with Coal is usually washed by passing it over a bath of liquid of known density. This removes high-ash content

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  • PEMBUATAN SPONGE IRON DARI BIJIH BESI LAMPUNG
    PEMBUATAN SPONGE IRON DARI BIJIH BESI LAMPUNG

    Quality of sponge iron targeted which are have high levels of metal Fe ≥ 80% and ≥ 90% metallization degree. In this study, the best results are obtained sponge iron has a metal content of 62.62% Fe and 95.31% metallization degree. Keywords: iron ore, pulverized

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  • OPERATIONAL ASPECTS OF SPONGE IRON
    OPERATIONAL ASPECTS OF SPONGE IRON

    1. Krupp Sponge Iron Process The Krupp. Sponge 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 de-sulphurizing agents (lime-stone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge

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  • A STUDY OF RING FORMATION OF SPONGE IRON IN
    A STUDY OF RING FORMATION OF SPONGE IRON IN

    for the production of sponge iron in a 34 feet long rotary kiln were successfully conducted at the National Metallurgical Laboratory using pellets made from Donimalai haematite ore and bituminous coal from Maharashtra also nut coke. The iron ore was of high grade with 65-66% Fe, 1.6-2.05% Si02 and 3.0-3.8 per cent A1 203. The

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  • 2 D Model of Sponge Iron Rotary Kiln Developed Using
    2 D Model of Sponge Iron Rotary Kiln Developed Using

    2II. Rotary kiln: Operation and construction details A schematic diagram of the rotary kiln of sponge iron process considered for the present work is shown in Fig. 1. The rotary kiln consists of a rotating cylindrical shell lined inside with refractory material. The kiln is around 80 m long with 4 m

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  • Simulation of Rotary Kiln Used in Sponge Iron Process
    Simulation of Rotary Kiln Used in Sponge Iron Process

    Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN IACSIT International Journal of Engineering and Technology, Vol. 6, No. 2, April 2014 DOI: 10.7763/IJET.2014.V6.673 95 Abstract—In the present study, estimation of actual output parameters is carried out

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  • SPONGE IRON PLANT
    SPONGE IRON PLANT

    Sponge iron being magnetic gets attracted and gets separated from non- magnetic char. The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in pre-determined ratio. The rotary kiln is slightly inclined at an angle 2.5 deg and rotated by

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  • (PDF) 2 D Model of Sponge Iron Rotary Kiln
    (PDF) 2 D Model of Sponge Iron Rotary Kiln

    Nov 2016. Gajendra Kumar Gaurav. Shabina Khanam. 2D CFD model of rotary kiln of sponge iron process is developed to study the effects of angle of inclination, number of rotation and mass flow rate

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  • (PDF) Operation of Coal-Based Sponge Iron Rotary
    (PDF) Operation of Coal-Based Sponge Iron Rotary

    Sponge iron is a type of iron produced by coal based or gas-based 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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  • USE OF SPONGE IRON - Cradle of technical
    USE OF SPONGE IRON - Cradle of technical

    Problems 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 productivity-Productivity can be improved by: 1)High reactivity coal can be used. 2)Pick up of ore with high reducibility

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  • A Thesis Submitted for Partial Fulfillment of the
    A Thesis Submitted for Partial Fulfillment of the

    3.3 Schematic of optimised Rotary kiln sponge iron making process 21 4.1 Industrial view of Sponge Iron making Rotary Kiln 24 4.2 Schematic view of internal heat exchange in Rotary kiln 26 4.3 Schematic view of Lobe Blower. 27 4.4 Schematic view of Air & material

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  • IS 15774 (2007): Sponge Iron/Directed Reduced Iron (DRI
    IS 15774 (2007): Sponge Iron/Directed Reduced Iron (DRI

    (DRI) fines/briquettes for steel making’ and IS 13905:1993 ‘Hot briquette sponge iron (HBI) for steel making’. With the formulation of this standard IS 10812: 1992, IS 13839: 1993 and IS 13905: 1993 stand withdrawn. In this revision, the carbon content for rotary kiln DRI/sponge iron has been modified to around 0.1 percent apart

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