use of fines for sponge iron production in coal based rotary kiln

  • DRI UPDATESponge 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

    Chat Online
  • Sponge Iron Production in Rotary Kiln Sarangi A. Sarangi

    Sponge Iron Production in Rotary KilnKindle edition by Sarangi A. Sarangi B.. Download it once and read it on your Kindle device PC phones or tablets. Use features like bookmarks note taking and highlighting while reading Sponge Iron Production in Rotary Kiln.

    Chat Online
  • sponge iron process 2010

    Jul 29 2010 · Lump iron ore in the size range of 5-20mm can be used in all coal based rotary kiln processes. In gas based processes 70 iron ore pellets and 30 lump iron ore of 10-30mm are being used. In general high grade iron ore of 65 minimum Fe (total) with less decrepitating characteristics is preferred for use in rotary kiln. Reductant

    Chat Online
  • sponge iron process 2010

    Jul 29 2010 · Lump iron ore in the size range of 5-20mm can be used in all coal based rotary kiln processes. In gas based processes 70 iron ore pellets and 30 lump iron ore of 10-30mm are being used. In general high grade iron ore of 65 minimum Fe (total) with less decrepitating characteristics is preferred for use in rotary kiln. Reductant

    Chat Online
  • Sponge Iron Production From Ore-Coal Composite Pellets in

    Today India stands as the largest producer of coal based sponge iron through rotary kiln process using calibrated ore and non coking 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

    Chat Online
  • Prospects for Coal-based Direct Reduction Process

    coal-based DRI. Out of the global DRI production of 68.5 million tonnes in 2008 the production of coal-based DRI occupies 17.6 million tonnes which equates to 25.7 of the total1). Most coal-based reduction processes including SL/RN2) employ rotary kilns. Pellets or lump-ore mixed with coal are/is charged into the rotary kilns2) and heated

    Chat Online
  • ENERGY INTEGRATION IN SPONGE IRON PLANT USING

    Table 2.1 Raw Materials for Production of Sponge Iron Material Size Iron Ore 5-18 mm Coal 3-20 mm Dolomite 2-6 mm Air2.1.3. Theory In any rotary kiln process based on coal the reduction of iron oxide takes place by the carbon monoxide produced from coal. The following reactions involved are as

    Chat Online
  • SPONGE IRON PRODUCTION FROM ORE -COAL COMPOSITE

    Abstract Today India stands as the largest producer of coal based sponge iron through rotary kiln process using calibrated ore and non coking 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.

    Chat Online
  • Direct Reduced Iron and its Production ProcessesIspatGuru

    Mar 16 2013 · Metallization reformed natural gas residual elements Rotary kiln Direct Reduced Iron and its Production Processes. Direct reduced iron (DRI) is the product which is produced by the direct reduction of iron ore or other iron bearing materials in the solid state by using non-coking coal

    Chat Online
  • Setting up of modalities for normative coal requirement in

    rotary kiln and in other reactors (IS 11860 1998) The contribution of coal based sponge iron to the total production in India has remained above 60 per cent since 2004-05. The contribution of coal based sponge iron has been on the rise. From about 8 MT in 2004-05 contributing 63 per cent to the total production it has grown to

    Chat Online
  • about usORISSA SPONGE IRON AND STEEL LTD.

    AT A GLANCE Orissa Sponge Iron Steel Ltd. (OSIL) was promoted in the year 1979. It was the fi rst 100 000 TPA commer cial scale coal based Sponge Iron Plant in our Country and one of the first few in the World. The Plant went into commercial production in 1984 with process technology from Allis Chalmers Corporation of U.S.A. using 80 coal a nd 20 oil.

    Chat Online
  • calculation on reduction for direct reduced iron in tunnel

    sponge iron production from ore -coal composite pellets in tunnel kiln. Keywords Tunnel Kiln Iron ore-coal composite pellets Sponge iron Thermal efficiency products 1-2 . In the year 1908 use of tunnel kiln started for iron oxide reduction. This . For composite pellets amount of external coal is calculated in. Read more

    Chat Online
  • 2.5 MTPY DR PLANT (COG Syngas) based Comparison

    Coal Based DRI production in Raigarh JSPL produces 1.3 MTPA DRI using rotary kilns based on coal. The plant is rated as most efficient environment friendly. Parameters Coal consumption 1.30 ton/ton of DRI Power Consumption 78 kwh/ton of DRI Oxide Consumption 1.49 ton /ton of DRI

    Chat Online
  • Recovery and utilization of waste heat in a coal based

    Air coal at 30 C Rotary Kiln (1050 C) Kiln air at 30 C Flue gas Fly ash Fines of iron ore at 900 oC Kiln Feeding Iron ore Feed coal Dolomite All at 30 C Rotary Cooler Sponge iron (magnetic) At 110 oC Water at 30 oC DSC 900 C 1020 C Dust ABC Air WHRB Waste gas Water ESP Dust Wet scraper waste gas Dusty gas Chimney Steam Water at 34.5 oC

    Chat Online
  • Recovery and utilization of waste heat in a coal based

    Air coal at 30 C Rotary Kiln (1050 C) Kiln air at 30 C Flue gas Fly ash Fines of iron ore at 900 oC Kiln Feeding Iron ore Feed coal Dolomite All at 30 C Rotary Cooler Sponge iron (magnetic) At 110 oC Water at 30 oC DSC 900 C 1020 C Dust ABC Air WHRB Waste gas Water ESP Dust Wet scraper waste gas Dusty gas Chimney Steam Water at 34.5 oC

    Chat Online
  • Sponge Iron Composition Manufacturing ProcessLloyd s

    Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a select grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled magnetically separated screened and size wise in finished

    Chat Online
  • Study on Accretion Formation on DRI kiln during spong

    Study on Accretion Formation on DRI kiln during spong iron production Chandrashekhar shrivas Himanshu shrivas Abstract---Today is an era of competition and contrary to this the Iron and steel industries are also suffering from the same. One of the major challenges for sponge iron plant is the Accretion formation. Through this

    Chat Online
  • Sponge Ironan 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. The reduction takes place using gaseous reductants (CO H

    Chat Online
  • Brief Process Of Coal Based Sponge Iron Rotary Kiln

    Brief Process Of Coal Based Sponge Iron Rotary Kiln. 2 D Model of Sponge Iron Rotary Kiln Developed . variation in mass fraction of Fe content in kiln outlet stream is observed based on . kiln which consists of iron ore coal . rotary kiln of sponge iron process. Get Price And Support Online A Thesis Submitted for Partial Fulfillment of the .

    Chat Online
  • TechnologyTata Steel Long Products Limited

    Iron ore and non-coking coal are the prime raw materials for the production of sponge iron. These are charged into a rotary kiln in requisite proportion along with some dolomite. Coal plays a dual role in the process by acting as a reductant as well as a fuel for providing heat to maintain the requisite temperature inside the kiln at 950-1050 o C.

    Chat Online
  • OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN

    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

    Chat Online
  • Coal Gas based DRI PlantSponge Iron Plant

    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 Kiln

    Chat Online
  • A Thesis Submitted for Partial Fulfillment of the Degree

    3.1 Material Balance in a Rotary Kiln sponge iron plant 14 3.2 Energy Balance in a Rotary Kiln sponge based iron making 14 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

    Chat Online
  • Modelling and optimization of a rotary kiln direct

    for cement production and sponge iron production. Hatch has developed a proprietary one-dimensional kiln model to evaluate designs for clients (Haywood et al. 2009). This tool has been utilized for a variety of pyrometallurgical applications including ferrovanadium nickel carbonate nickel laterite iron ore reduction and spodumene (lithium)

    Chat Online
  • Super RefractoriesSponge Iron Production

    For Sponge Iron production by Direct Reduction Process CUMI offers the following solutions. COAL BASED SPONGE IRON ROTARY KILN. svenska casino spel. Application Recommended Products AFTER BURNING CHAMBER (ABC) CUMICRETE CK 14 SI ABC BACK UP CUMICRETE CII 104SI

    Chat Online
  • WELSPUN STEEL LIMITED

    During lite up there is a start up burner at the kiln discharge end which is oil fired to heat up the rotary kiln. To ignite the injected coal from outlet of the kiln. When the desired temp. is reached Iron ore coal lime stone or dolomite are fed from kiln feed end and also coal is injected from from kiln

    Chat Online
  • Sponge Iron Production In Rotary Kiln Sponge Iron

    Related Searches for sponge iron production in rotary kiln sponge iron pellet fob cfr china iran bandar abbas price orissa sponge iron use of sponge iron sponge iron india ltd orissa sponge iron ltd sponge iron india limited sponge iron price in india price of sponge iron in india of sponge iron sponge iron to sponge iron and sponge iron ore sponge iron fines

    Chat Online
  • WELSPUN STEEL LIMITED

    During lite up there is a start up burner at the kiln discharge end which is oil fired to heat up the rotary kiln. To ignite the injected coal from outlet of the kiln. When the desired temp. is reached Iron ore coal lime stone or dolomite are fed from kiln feed end and also coal is injected from from kiln

    Chat Online
  • MGM

    Sized iron ore feed coal-1 feed coal-2 dolomite corse injection coal fine injection coal are stored in the day bins.Electronicweigh feeders have been provided to ensure accurate dosing of the raw matrials for the proceeding in the rotry kiln of 4.3meters in diameter and 72meters long inclined at 2 5 percent.

    Chat Online
  • Study on Accretion Formation on DRI kiln during spong

    Study on Accretion Formation on DRI kiln during spong iron production Chandrashekhar shrivas Himanshu shrivas Abstract---Today is an era of competition and contrary to this the Iron and steel industries are also suffering from the same. One of the major challenges for sponge iron plant is the Accretion formation. Through this

    Chat Online
  • Energy survey of the coal based sponge iron industry

    In conventional coal based sponge iron plant Fig. 1 kiln feed (Stream no. 1) which consists of iron ore feed coal and dolomite is fed to the rotary kiln (RK).A separate conveyor collects different size fractions of coal (Stream no. 5) for injection into the kiln with the help of pressurized air (Stream no. 4) from discharge end side.

    Chat Online
  • Coal based Direct Reduction Rotary Kiln ProcessIspatGuru

    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.

    Chat Online
  • 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 for a sponge iron production

    Chat Online
  • Sponge Iron Composition Manufacturing ProcessLloyd s

    Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a select grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled magnetically separated screened and size wise in finished

    Chat Online
  • Sponge iron making processLinkedIn SlideShare

    Nov 09 2014 · INJECTION COAL Coal Crushing Combustion Injection to kiln Coal Injection over a large range of size 0-20 mm Temperature combustion below 950 C Coal injection system makes use of voal volatiles for reduction thereby reducing the coal requirement to a minimum Coal Injection can decrease energy consumption 8. ROTARY KILN 9.

    Chat Online

Solutions

Products

Project

Products Contents

Product information is here