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  • 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

    Sponge Iron Production in Rotary Kiln, Sarangi, A. Sarangi

    Jan 30, 2011· Sponge Iron Production in Rotary Kiln Kindle 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.

    Sponge Iron Production in Rotary Kiln: Sarangi, Bidyapati

    This book comprehensively deals with the production of sponge iron in the rotary kiln. The book is divided into 17 chapters. The initial chapters give a brief on the fundamental theories and basic principles of sponge iron production, commercially used DR (direct reduction) processes and physico-chemical principles of sponge iron production.

    SPONGE IRON PLANT

    The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron production

    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. The reduction takes place using gaseous reductants (CO + H

    Technology Tata 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.

    sponge iron production in rotary kilns INDUSTAR

    Sponge Iron Production in Rotary Kiln Arabinda Sarangi. Jun 30, 2011· The increase in the demand ofsponge ironis also due to the fact that it is used as a substitute for coking coal which is available in scarcity in the world. This book comprehensively deals with theproductionofsponge ironin therotary kiln. The book is divided into 17 chapters.

    Coal based Direct Reduction Rotary Kiln Process IspatGuru

    The main raw materials for the production of DRI by the rotary kiln process are (i) sized graded iron ore or iron ore pellets, (ii) non-coking coal, and (iii) dolomite in small quantities to scavenge the sulphur. Iron ore of the right quality is the basic input for the coal based direct reduction process.

    tunnel kiln for sponge iron production

    zenith rotary kiln sponge iron careermentors . rotary kiln sponge iron pellets natural gas coal. Recovery and utilization of waste heat in a coal based sponge iron iron exiting rotary kiln and further hot water . Get Price; artifact Dictionary Definition Vocabulary . An artifact is a man-made object that has some kind of cultural significance.

    SPONGE IRON PLANT

    The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron production

    Sponge Iron Production in Rotary Kiln: Sarangi, Bidyapati

    This book comprehensively deals with the production of sponge iron in the rotary kiln. The book is divided into 17 chapters. The initial chapters give a brief on the fundamental theories and basic principles of sponge iron production, commercially used DR (direct reduction) processes and physico-chemical principles of sponge iron production.

    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. The reduction takes place using gaseous reductants (CO + H

    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

    Computational fluid dynamics analysis of sponge iron

    Mar 01, 2017· Rotary kiln is the primary equipment in sponge iron industry, which is used to reduce iron ore to metallic iron i.e. Fe. It is called sponge iron. Rotary kiln is widely used in cement and steel industries. The production capacities of these industries depend significantly on the performance of rotary kiln.

    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.

    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

    SL RN (Iron Making Rotary Kiln Process for DRI Production)

    Nov 01, 2015· (SL/RN) Stelco-Lurgi/Republic-National rotary kiln process

    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.

    Computational fluid dynamics analysis of sponge iron

    Mar 01, 2017· Rotary kiln is the primary equipment in sponge iron industry, which is used to reduce iron ore to metallic iron i.e. Fe. It is called sponge iron. Rotary kiln is widely used in cement and steel industries. The production capacities of these industries depend significantly on the performance of rotary kiln.

    Rotary Kiln Furnace In Sponge Iron Plant Solution For Ore

    Sponge Iron Composition Manufacturing Process Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a 'select' grade of ironcoking 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

    sponge iron production in rotary kiln dialogirozwoj.pl

    sponge iron production in rotary kiln. 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 productionWe are a professional mining machinery manufacturer, the main

    sponge iron vertical kiln manf process

    The coal base DRI rotary kiln process for production of DRI / Sponge Iron has its many parameters to increase the quality as well as productivity which need careful operations throughout the process. Number of DRI processes came up and rotary kiln process with solid coal as fuel found to be most acceptable process in the world.

    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 2–6 m in diameter and can be 50–225 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

    sponge iron production in rotary kilns INDUSTAR

    Sponge Iron Production in Rotary Kiln Arabinda Sarangi. Jun 30, 2011· The increase in the demand ofsponge ironis also due to the fact that it is used as a substitute for coking coal which is available in scarcity in the world. This book comprehensively deals with theproductionofsponge ironin therotary kiln. The book is divided into 17 chapters.

    difference between sponge iron kiln and cement kil

    We have difference between sponge iron kiln and cement kil,Due to this outward tension sprung arch kilns are framed with angle iron to support the arch and reduce any movement of the firebricks used to build the kiln Sprung arch kilns may be designed as either updraft or downdraft kilns 04 of 08 Catenary Arch Kilns Beth E Peterson Once built catenary arches are selfsupporting The arch itself

    tunnel kiln process sponge iron in ethiopia

    Rotary Kiln; tunnel kiln process sponge iron in ethiopia; tunnel kiln process sponge iron in ethiopia. Market share About 23 of sponge iron total production 4 Tunnel furnace process This process is the oldest direct reduction method In this method Thermal coal is mixed with iron ore as a reducing agent Natural gas generates the required

    Sponge Iron Rotary Kiln Parts In Gabon

    Sponge Iron Rotary Kiln Parts In Gabon. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including quarry, aggregate, and different kinds of minerals.

    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.

    Super Refractories Sponge 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:

    A Thesis Submitted for Partial Fulfillment of the Degree

    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 flow in Rotary kiln 27 4.5 Filling of Bed Geometry 28

    iron pellet reduction in sponge iron kilns in rwanda

    iron pellet reduction in sponge iron kilns in rwanda. 14 hours ago · The carbonfree sponge iron that will in time replace iron ore pellets as LKAB’s main export product is suitable for arc furnaces allowing the company to offer industries throughout the world access to carbonfree iron “In switching from iron ore pellets to carbonfree sponge iron we are taking an important step forward in

    rotary kiln process of making sponge iron

    Rotary Kiln Process of Making Sponge Iron C. Rotary 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. ppt on sponge iron production

    Sponge Iron Production in Rotary Kiln Arabinda Sarangi

    Jun 30, 2011· The increase in the demand of sponge iron is also due to the fact that it is used as a substitute for coking coal which is available in scarcity in the world. This book comprehensively deals with the production of sponge iron in the rotary kiln. The book is divided into 17 chapters. The initial chapters give a brief on the fundamental theories and basic principles of sponge iron production

    Computational fluid dynamics analysis of sponge iron

    Mar 01, 2017· Rotary kiln is the primary equipment in sponge iron industry, which is used to reduce iron ore to metallic iron i.e. Fe. It is called sponge iron. Rotary kiln is widely used in cement and steel industries. The production capacities of these industries depend significantly on the performance of rotary kiln.

    sponge iron production in rotary kiln Chauffage Nanni

    The rotary kiln process is a well-established process for production of sponge iron In this process a refractory lined rotary kiln is used for reduction of iron ore in solid state The size depends on the production capacity of kiln The kiln is mounted with a slope of ,

    2 D Model of Sponge Iron Rotary Kiln Developed Using CFD

    In sponge iron industry rotary kiln is the primary equipment, which is used to reduce iron ore to metallic iron i.e. Fe which is called sponge iron. The performance of rotary kiln significantly affects the production capacities of these industries. The performance of rotary kiln

    Sponge iron production in tunnel kiln Aramico Company

    Sponge iron production by tunnel kiln method was developed from 1911 as Höganäs method in Sweden. After many modifications, now this process is a sufficient and effective method for sponge iron production. The main advantage of tunnel kiln process is the possibility to build small plants with low investment costs which are feasible economically.

    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] A study on the accretion formation in DRI kilns and

    Direct reduction of iron ore with aid of either carbon or natural gas under controlled temperatures and pressures within a rotary kiln generates sponge iron as a product. However rotary kiln performance is adversely affected by the ring formation known as accretion. These accumulated sintered solid particles which gives formation of ring along the length of the kiln hinder material flow

    Modelling and optimization of a rotary kiln direct

    Rotary kilns are used for a range of mineral processing operations. Kilns range in size from 2–6 m in diameter and can be 50–225 m long with an operating mass of up to 3000 t. Two of the most common applications are cement production and sponge iron production. Hatch uses a proprietary one-dimensional kiln model

    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 % Physical Composition

    Method for Calculating Yield of DRI Production in Rotary Kiln

    we would like to know the correct method for calculating the yield for working the production of Sponge Iron in a rotary kiln. we have been evaluating the yield for production using the following formula : P = (Q-%TM)X(% Fe (T) in ore % LOI 1 / 2 % L&P) where. P = Production, Q = Qty of ore used in the Kiln. Fe (T) = Total iron in the ore,

    SPONGE IRON Rashmi Group

    The production process followed at Rashmi Metaliks makes the Sponge Iron unique and superior than its competitors. Iron ore (Red Hematite) is extracted from the mines and taken to the Direct Reduced Iron (DRI) Plant where it is charged with different sizes of Coal (Carbon) by conveyor from different stock houses into the Rotary Kiln.

    9788120340992: Sponge Iron Production in Rotary Kiln

    This book comprehensively deals with the production of sponge iron in the rotary kiln. The book is divided into 17 chapters. The initial chapters give a brief on the fundamental theories and basic principles of sponge iron production, commercially used DR (direct reduction) processes and physico-chemical principles of sponge iron production.

    Super Refractories Sponge 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:

 

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