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MGB series Hopper Discharge Feeder

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MZA/K Series Circular Vibrating Screen

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MF Series Fixed Shaft Circular Vibrating Screen

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MC Series Single-Cylinder Hydraulic Cone Crusher

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MS Series Triaxial Horizontal Screen

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MGD Series Vibrating Feeder

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Sponge iron roytary pr cess flow chart

  • Energy Audit Methodology of Sponge Iron Manufacturing

    Jul 14, 2014· Most of the plants in India use DRI processa solid state direct reduction process by which iron ore is reduced to sponge without phase change (Figure 1). Raw material mix-iron ore, dolomite and coal are fed to one end of rotary Kiln and product sponge iron along with char is taken out from the other end. Apart from this, primary

  • 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

  • A Thesis Submitted for Partial Fulfillment of the Degree

    1.1 Image of a Sponge Iron Granule 2 1.2 Microscopic view of sponge iron 4 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

  • Sponge iron making full process_Coal base DRI - YouTube

    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 process

    Jul 29, 2010· Flow chart of SL/RN process has been shown in fig. 1.Sized Iron Ore and Non Coking Coal along with Dolomite are fed continuously to the charge end of Rotary Kiln inclined at 2.5%. Coal is also injected through an Injection Pipe at the discharge end of Kiln.

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

    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

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

    Fig. 1 Schematic of the rotary kiln of sponge iron process Table 1. Reaction Temperature and its heat of reaction [11] III. CFD Model: Boundary & Operating conditions The 2 D geometry of rotary kiln is developed using GAMBIT 2.4.6. The assumptions for the present work are: (1) 2D geometry of the kiln is considered, (2) Feed Consists mixture of

  • Sponge Iron Production Process - Arij Trading

    In this method, heat coal (as a reducing agent) is mixed with iron ore and sponge iron is produced in a horizontal furnace. Input iron ore: In the Midrex or HYL process, it is generally recommended to use high quality cooked pellets with a maximum of about 30% iron ore lumps.

  • Effluent and Emission Standards for Sponge Iron Plant

    Sep 01, 2018· The location of Sponge Iron Plant should be at least 500 m away from National Highway and State Highway. The radial distance between two Sponge Iron Plants should be 5 km for plants having capacity 1000 TPD or more. Sponge Iron Plants can be established in designated industrial areas/Estates as notified by State Government.

  • sponge iron process: 2010

    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.

  • 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

  • Super Refractories - Sponge Iron Production

    Sponge Iron. 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:

  • Basai Steels Pvt Ltd.

    The overall process requires duration of approximately eight to ten hours inside the kiln, during which iron ore is optimally reduced and discharged to a rotary cooler for cooling below 120°C, before coming out into the finished product circuit, flowchart of the process is given below:

  • Coal based Direct Reduction Rotary Kiln Process IspatGuru

    Feb 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 into metallic iron without the melting of the materials.

  • China Sponge Iron Rotary Kiln&Rotary Kiln Process of

    Sponge Iron Rotary Kiln, Rotary Kiln Process of Making Sponge Iron manufacturer / supplier in China, offering Sponge Iron Rotary Kiln&Rotary Kiln Process of Making Sponge Iron, Stone Crusher Mobile Primary Jaw Crusher & Mobile Jaw Crusher, High Capacity Xs Series Spiral Sand Washerr & Wheel Sand Washer and so on.

  • Rotary Kiln & Shredded Tires Manufacturer from Delhi

    Iron Ore: 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.

  • Simulation of Rotary Kiln Used in Sponge Iron Process

    Index TermsSponge iron process, rotary kiln, temperature profile, artificial neural network. I. INTRODUCTION Sponge iron is the metallic form of iron produced from reduction of iron oxide below the fusion temperature of iron ore (1535oC) by utilizing hydrocarbon gases or carbonaceous fuels as coal. The reduced iron having high

  • Direct reduced iron - Wikipedia

    Direct reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) into iron by a reducing gas or elemental carbon produced from natural gas or coal.Many ores are suitable for direct reduction. Direct reduction refers to solid-state processes which reduce iron oxides to metallic iron at temperatures below the melting

  • 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 so as to prevent its re-oxidation.

  • Modelling and optimization of a rotary kiln direct

    Rotary kilns (Figure 1) are used for a range of mineral processing operations. Kilns range in size from 26 m in diameter and can be 50225 m long with an operating mass of up to 3000 t. Two of the most common applications are for cement production and sponge iron production. Hatch has developed a proprietary one-dimensional kiln model to

  • Industrial Training Report on Direct Reduced Iron Plant(DRI)

    Jul 16, 2017· 3 P a g e Index 1. Introduction of Jindal Steel and Power ltd 2. Facilities at Raigarh Plant Include 3. Introduction of DRI Plant 4. Sponge Iron or Direct Reduced Iron 5. Raw Material 6. Raw Material Handling Station(RMHS) 7. Process of DRI Plant 8. Process Flow Chart 9. Pump House 10. Product Handling System 11. Pollotion Control System 12.

  • WELSPUN STEEL LIMITED

    The process of sponge iron making aims to remove the oxygen from iron ore. The quality of sponge iron is primarily ascertained by the percentage of metallization (removal of oxygen), which is the ratio of metallic iron to the total iron present in the product. Sponge iron manufacture is highly sensitive to raw material characteristics.

  • (PDF) i) Direct Reduced Iron: Production

    Mar 30, 2016· discussion is restricted to the rotary kiln process only. Normally, the rotary kiln is 60125 m long ( L )a n d 46 m in diameter ( D ), and the L / D ratio is about 1520.

  • THE KRUPP SPONGE IRON PROCESS PRODUCTION AND

    Essential features of the process Fig. 1 shows the two variants of the process, one using lump ore and the other fine ore or con-centrates. Lump ore is charged together with the reductant and a desulphurizing agent into an inclined rotary kiln, where it is heated by a coun-tercurrent flow of hot gas and reduced to sponge iron.

  • SPONGE IRON PRODUCTION FLOW CHART Raw Material

    SPONGE IRON PRODUCTION FLOW CHART Raw Material Feeding to Kiln (Iron Ore, Coal, Dolamite) Rotary Kiln (Conversion of Raw Iron Ore into Sponge Iron) Cooler (Sponge Iron Cooling below 100deg by external Water Cooling) Intermediate Bin Desired Quality (for Blending) Screening in Product House Lumps Magnetic Separation Lumps Bunker Despatch [email protected]

  • Accretion Control in Sponge Iron Production Kiln using

    2 KILN BASED SPONGE IRON PRODUCTION PROCESS Rotary kilns are found in many processes that involve processing of solids. 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

  • BDG Metal & Power Ltd.

    Sponge Iron (DRI) Unit. 300 TPD Sponge Iron Plant: State of art, 3 numbers computerized Rotary kiln for Iron Ore processing & manufacturing of Sponge Iron; Backed up with Coal handling and Captive Power; Annual capacity : 1.5 Lac M.T.

  • Fastmelt Process and Electric Arcfurnace Manufacturer

    Lubok Industries Pvt Ltd is founded by Mr. Neeraj Jain- M D Ashiana Ispat Ltd- Bhiwadi (Rajasthan), Mr. Ashok Garg- M D Reby Casting Pvt Ltd-Bhiwadi, Mr. Pravin Jain- M D AmodSpuntex Pvt Ltd- Mumbai, Mr. Neeraj Jain is the co-founder of Kamdhenu Steels Ltd- (Popularly known as KamdhenuSaria).

  • process making sponge iron rotary kiln

    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 8001200 °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

  • Sponj Iron Rotary Kiln - SUPER PRIMEURS

    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

  • Detailed Project Report

    3.5 Project description with process details (a schematic diagram/ flow chart showing the project layout, components of the project etc.) 31 3.5.1 Manufacturing Process of Sponge Iron (DRI) 31 3.5.2 Manufacturing process of Pig Iron through Mini Blast Furnace 37 3.5.3 Process and Process Flow diagram of Iron

  • Mining Industry Sponge Iron Rotary Kiln Production Lines

    Mining Industry Sponge Iron Rotary Kiln Production Lines , Find Complete Details about Mining Industry Sponge Iron Rotary Kiln Production Lines,Rotary Kiln,Sponge Iron Rotary Kiln,Kiln from Cement Making Machinery Supplier or Manufacturer-Henan Hongke Heavy Machinery Co., Ltd. 3.Some process flowchart . 4.Auxiliary accessories.

  • Sponge Iron Industry - SlideShare

    Nov 17, 2012· Raw DRI Process materials, partly coal, iron ore, After Burn Flue gas Chamber fluxes enter the rotary kiln The remainder Rotary kiln coal in = 2.5% Slo and 0.47 rp pe powdered form m sp e e d and hot air is charged Preheating Solid iron and zone or unburnt char,combustion zone lime is where coal is heated discharged Cooler discharge and product

  • Flow of materials in rotary kilns used for sponge iron

    The present work identifies the basic features of burden movement in a rotary kiln. The cold model study was conducted with iron ore as the feed material to determine the influence of length to diameter ratio (L/D) of a rotary kiln on the filling degree, hold-up, and residence time of the charge. An empirical equation correlating different operating variables has been derived on the basis of

  • Sponge Iron Prakash Industries Limited

    Sponge iron is a highly processed form of iron ore which contains metallic iron in the range of 83-88% obtained by direct reduction without melting it. Due to high porosity, the resulting iron is called sponge iron. It is used as a raw material for manufacturing steel

  • Study on Air Tubes Failure in Sponge Iron Rotary Kiln

    Abstract: The rotary kiln process is a commonly practiced method in the industry for producing sponge iron using coal. In the industry, there have been recent reports of premature failures of certain air tubes in a rotary kiln. Most of those cases have concentrated on those air tubes which

  • OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION

    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

  • sponge iron rotary kiln process cement

    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.

  • Flow of materials in rotary kilns used for sponge iron

    Looking forward to the need of developing coal-based 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 of

  • Sponge Iron Plant Rotary Kiln - China Rotary Kiln, Rotary

    sponge iron plant rotary kiln 1..Brief description of clinker rotary kiln : Our company owns the magnesium production line. As a kind of qualified material crushed by the crusher, the raw material-dolomite is calcined till it became white by rotary kiln, being cooled by the cooling machine and then mix it evenly with silicon powder (75%) and silica powder (including GaF2 fluorite=95%).

  • Flow of materials in rotary kilns used for sponge iron

    Abstract. The formation of accretions or rings in rotary kilns used for the manufacture of directly reduced iron (sponge iron) affects the residence time of the charge, kiln