• OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN

    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 iron.SPONGE IRON PLANT,The Rotary Kiln process is a well-established process for production of coal based sponge iron. Rotary kiln of certain dia and length is provided for reduction of Iron Ore into sponge iron using non-coking coal as reductant and Dolomite as sulphur scavenger; however the Diameter and Length are to be designed based on the Plant Capacities.

  • Accretion Control in Sponge Iron Production Kiln using

    This study focuses on sponge iron kiln based process. The chemical process involved in making sponge iron removes oxygen from iron ore by using a reducing agent in the form of non-coking coal [Patra et al, (2005)]. The reduction process is carried out in an inclined horizontal rotary kiln, which rotates at a programmed speed.Sponge iron making full process_Coal base DRI YouTube,Dec 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

  • Sponge iron making process SlideShare

    Nov 09, 2014· ROTARY COOLER The product is conveyed to the product separation and storage building The product is Sponge iron and char Place that spraying a controlled amount of water directly into hot solids and by spraying additional water outside the cooler shell 12. SCREENING + 10 mm 3-10 mm 3 mm 13.Sponge Iron an overview ScienceDirect Topics,DRI, also known as sponge iron, is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron, below the melting point of iron and typically in the range of 800–1200 °C. Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron ore lumps, or fines.

  • SPONGE IRON PRODUCTION FROM ORE -COAL COMPOSITE

    However, Rotary kiln process suffers from serious limitations like low productivity and pollution. In this respect fixed bed Tunnel kiln furnace are evolving as an alternative to Rotary kiln process. Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns.sponge iron process,During the process of manufacture of sponge iron, coal injection plays a very vital role in maintaining the product quality. Due to highly endothermic nature of Boudouard reaction, heat has to be continuously supplied in entire reduction zone of rotary kiln. Generally the length of reduction zone is 60-70% of total kiln length.

  • 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 0.08% to 0.20%.The carbon content in gas based processes can be controllrd to a level of 1.5% to 2.0% based on requirement for steel making.DRI UPDATE Sponge Iron Manufacturer India,2. ED, SIMA requested the participants to volunteer to spare their rotary kiln for carrying out the R&D for exploring the use of Syn Gas in the rotary kiln. Mr. T Srinivasa Rao, MD, Balajiswamy Premium Steels Pvt Ltd offered his 50TPD kiln for this purpose. 3. Presentation from Tata Sponge Iron Ltd was very much liked and lot of the people showed

  • Accretion Control in Sponge Iron Production Kiln using

    This study focuses on sponge iron kiln based process. The chemical process involved in making sponge iron removes oxygen from iron ore by using a reducing agent in the form of non-coking coal [Patra et al, (2005)]. The reduction process is carried out in an inclined horizontal rotary kiln, which rotates at a programmed speed.Sponge iron making process SlideShare,Nov 09, 2014· Sponge iron making process 1. ALBERTUS SEPTYANTOKO 2712100014 2. IRON ORE • Iron = 65-67 % • SiO2 + Al2O3 = 2-3 % • CaO + MgO = 0,5-1 % • Sulphur = 0,02 % max • Phosphorus = 0,04 % max Chemical Composition • Size = 5-18 mm • Shatter Index = +95 % • Tumbler index = +88 % • Reducibility Index = +94 % • Thermal Degradation Index = 5 %

  • sponge iron process

    Jul 29, 2010· In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%.The mean particle size of iron ore shall be restricted to 11mm in order to achieve uniform Fe metallic of all grain size fraction of the product.(PDF) Operation of Coal-Based Sponge Iron Rotary Kiln to,Also, the process conditions in a sponge iron rotary kiln are dynamic in nature. Hence, the quality keeps fluctuating and is not a constant value. A mathematical mass

  • China Rotary Kiln Process of Making Sponge Iron China

    Model NO.: Rotary Kiln Process of Making Sponge Iron Type: Iron-Making Equipment Certification: ISO Lateritic Nickel Rotary Kiln: Rotary Kiln for Laterite Nickel Ore Calcining Output: 80-100 T/H(Roasted Sand) Application: Roasting Laterite OresWALK BY INSPECTION OF A SPONGE IRON ROTARY KILN,Nov 23, 2017· Walk by inspection of a sponge iron kiln...yes guys KILN in cement and SPONGE IRON isn't the same...see it to believe it :)

  • SL RN (Iron Making Rotary Kiln Process for DRI

    Nov 01, 2015· (SL/RN) Stelco-Lurgi/Republic-National rotary kiln processslrn process of sponge iron making,Sponge iron rotary kiln process anticorruption helpline sponge iron composition manufacturing process lloy sponge iron making is a process in which iron ore lumps typically mmmm size are tumbled with a selectgrade of ironcoking coal little dolomite inside an inclined rotary kiln and control busted in the presence of air for about hours before

  • process making sponge iron rotary kiln animation

    obtainingiron process animation. process making sponge iron rotary kiln animation. Gulin machine inironore processing plant,process making sponge iron rotary kiln animation. Gulin provide theprocess making sponge iron rotary kiln animationget price. Modeling SinteringProcessofIronOre 25 Fig. 2. Thermal cycle of the materials in the sinterTunnel Kiln Process For Sponge Iron Making,Tunnle Kiln Process Of Sponge Iron. tunnel kiln process sponge iron in south africa jaw crusher used to making sponge iron crusherpricetop Rotary Kiln Process of Making Sponge Iron Rotary kiln is the Live Chat running sponge iron plant for sale in gujarat iie Get More info. direct reduction of iron ore from tunnel kiln process.

  • [PDF] Rotary Kiln Process of Making Sponge Iron 2 . 1

    Consequently, they were replaced by the high production rate ‘indirect process,’ and the development of modern DR Process did not begin until the middle of 19th century. Perhaps the very first patent in U.K. for sponge iron making was in 1792 presumably using a rotary kiln. More than 100 DR processes have been invented and operated since 1920.Making Sponge Iron With Rotary Kiln,Ppt For Rotary Kiln Process Of Making Sponge Iron Rotary Consequently they were replaced by the high production rate indirect process and the development of modern dr process did not begin until the middle of 19th century perhaps the very first patent in uk for sponge iron making was in 1792 presumably using a.

  • Excellent Sponge Iron Kiln To Deal With Your Rotary Kiln

    Sponge iron kiln’s cylinder: The design of the sponge iron rotary kiln cylinder is more reasonable. The cylinder is rolled with a Q235-B steel plate to ensure five mechanical properties, usually with automatic welding. The wall thickness of the cylinder is generally 25 mm, and that of the firing zone is 32 mm.process of making ironore shibang-china,The ba sic oxygen process has sup planted it as the predomina nt primary steel-making process, to the iron ore concentrate during the ball ing stage. Rotary Kiln Process of Making Sponge Iron Iron ore coal flux Inlet hood After burning & cooling kiln chamber Shell-mounted air

  • [PDF] Rotary Kiln Process of Making Sponge Iron 2 . 1

    Consequently, they were replaced by the high production rate ‘indirect process,’ and the development of modern DR Process did not begin until the middle of 19th century. Perhaps the very first patent in U.K. for sponge iron making was in 1792 presumably using a rotary kiln. More than 100 DR processes have been invented and operated since 1920.Rotary Kiln Process Of Making Sponge Iron,process of sponge iron by rotary kiln Grinding Mill China. Posted at: January 5, 2013 . Rotary Kiln Process of Making Sponge Iron The production of steel began in ancient times; but because of the complexity. Click & Chat Now

  • Sponge Iron Production Process Arij Trading

    This process is one of the oldest direct reduction methods and the idea of its structure is based on a horizontal cement kiln. In this method, heat coal (as a reducing agent) is mixed with iron ore and sponge iron is produced in a horizontal furnace.SPONGE IRON PRODUCTION FROM ORE -COAL ,However, Rotary kiln process suffers from serious limitations like low productivity and pollution. In this respect fixed bed Tunnel kiln furnace are evolving as an alternative to Rotary kiln process. Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns.

  • Sponge Iron Prakash Industries Limited

    In the solid reduction process iron ore is converted into DRI in a rotary kiln fired by non-coking coal. Iron ore, coal and dolomite in pre-measured quantities are fed into the kiln, which is rotated at a speed of about 0.5 RPM.Convert your sponge iron plant into a cast iron plant and,After pre-heating the charge materials in the rotary kiln, heat from the off gases of MAGMA are sent to a boiler unit at 1,000-1,050°C for power generation, to meet the electricity requirements of the oxygen plant and other iron & steel making operations. To convert the rotary kiln-based sponge iron plant into a pig iron plant, MAGMA smelter

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

    We manufacture Sponge Iron Plant on turn-key basis of different functional capacities i.e. 100 TPD, 300 TPD, 500 TPD plants.The equipment support provided for the plants include Kiln/cooler tyre, Kiln/cooler support roller, Kiln/cooler support roller shaft, Kiln/cooler support roller assembly with bearing housing, Kiln/cooler girth gear, Kiln/cooler pinions, Kiln/cooler pinion shaft, KilnModelling and optimization of a rotary kiln direct,The kiln model applied in this work was developed by Hatch over a number of years and has been used for several rotary kiln projects. It has its roots in a FORTRAN program that was developed by Venkateswaran (1978) to study the reduction of iron ore. The original software was used to model the operation of a 35 m pilot kiln at the Stellco company

  • DRI UPDATE Sponge Iron Manufacturer India

    2. ED, SIMA requested the participants to volunteer to spare their rotary kiln for carrying out the R&D for exploring the use of Syn Gas in the rotary kiln. Mr. T Srinivasa Rao, MD, Balajiswamy Premium Steels Pvt Ltd offered his 50TPD kiln for this purpose. 3. Presentation from Tata Sponge Iron Ltd was very much liked and lot of the people showedAccretion control in sponge iron production kiln using,Title: Accretion control in sponge iron production kiln using fuzzy logic, Author: Alexander Decker, Name: Accretion control in sponge iron production kiln

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

    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 Rotary kiln Wikipedia,A rotary kiln is a pyroprocessing device used to raise materials to a high temperature (calcination) in a continuous process.Materials produced using rotary kilns include: Cement; Lime; Refractories; Metakaolin; Titanium dioxide; Alumina; Vermiculite; Iron ore pellets; They are also used for roasting a wide variety of sulfide ores prior to metal extraction.

  • rotary kiln process of making sponge iron

    Sponge Iron Production In Rotary Kiln In World. Rotary kiln process of making sponge iron c. 2009-4-15rotary kiln process of making sponge iron 13 that the entire production by number 2 3 and 4 countries is through gas based route while in india more than half the production is by the coal based route 25 the indian scene situation in india.Direct Reduced Iron and its Production Processes IspatGuru,Mar 16, 2013· Fig 2 Principle of direct reduction process. Gas based process. In the gas based reduction processes, a vertical shaft kiln is used in which iron ore is fed into the top of the kiln and finished sponge iron is drawn off from the bottom after cooling it