process making sponge iron rotary kiln
process making sponge iron rotary kiln
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process making sponge iron rotary kiln

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 a reducing gas or elemental carbon ...

Sponge iron making process - LinkedIn 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

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.

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

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 Ores

DRI , THE SPONGE IRON INDUSTRIE FULL VIDEO - YouTube

Jan 17, 2017  we are trying to take a look at the sponge iron industrie , how we making sponge iron by coal based .if you like please subscribe and comment ,please comment your opinion .

Direct Reduction Process - an overview ScienceDirect Topics

DRI is also known as sponge iron, it is a solid-state direct reduction process (Fig. 2.6). Coal, dolomite and iron ore or pellets are fed into one end of a rotary kiln, while sponge iron and char are withdrawn from the other end. Primary and secondary airs are supplied to the kiln to initiate combustion and reaction processes (Choudhury, 2014 ...

Coal based Direct Reduction Rotary Kiln Process – IspatGuru

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.

rotary kiln DRI production technology - YouTube

Nov 15, 2015  Rotary kiln technology is advanced and mature, its products may be DRI, HDDRI, granular iron and CBI. Rotary kiln technology is fit for various of high grade or low grade iron ore and ferrous waste.

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.

Energy survey of the coal based sponge iron industry ...

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 ...

Sponge Iron Composition Manufacturing Process - Lloyd'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 ...

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 ...

WALK 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 :)

rotary kiln DRI production technology - YouTube

Nov 15, 2015  Rotary kiln technology is advanced and mature, its products may be DRI, HDDRI, granular iron and CBI. Rotary kiln technology is fit for various of high grade or low grade iron ore and ferrous waste.

DRI UPDATE - Sponge Iron Manufacturer India

2. ED, SIMA requested the participants to volunteer to spare their rotary kiln for carrying out the RD 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

(PDF) Operability Analysis of Direct Reduction of Iron Ore ...

direct reduction of iron ore by coal in a rotary kiln using a rigorous process model. Though the objective is not to quantify OI, but to develop deeper understanding of the process, the

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.

Sponge Iron - SEIL

6. The product i.e. Sponge Iron and semi burnt coal are discharged from the kiln through a rotary cooler. The cooler is 12M in length and water is sprayed directly as well as indirectly for cooling the material. The material is cooled down to 100oC and fed to magnetic separator for separating the sponge iron and non-magnetic (char). The Sponge ...

(PDF) i) Direct Reduced Iron: Production - ResearchGate

i) Direct Reduced Iron: Production. ... known as direct reduced iron (DRI) or sponge iron. Pro- ... discussion is restricted to the rotary kiln process only.

process making sponge iron rotary kiln animation

animation rotary kiln . process making sponge iron rotary kiln animation- cement rotary kiln animation ,Rotary kiln is the core section of whole cement production line Iron ore pelletizing ,process making sponge iron rotary kiln animation chemical process in rotary kiln for clinker productionprocesses which are involved in the operation of a . More

Computational fluid dynamics analysis of sponge iron ...

Simulation of rotary kiln for sponge iron process is based on combustion of coal particles and reduction of iron ore. The heat transfer inside the kiln is done through radiation. The model equations used for computation of desired parameters, such as temperature profile and % metallization, are tabulated in Table 3 .

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

The process of reducing the iron ore in solid form by reducing gases is called direct reduction. This book deals with the basics of sponge iron production in rotary kiln, describing the operational problems and control needed to produce a quality product.

Sponge iron rotary kiln process - Anti-Corruption Helpline

Sponge Iron Composition Manufacturing Process Lloy. Sponge iron making is a process in which iron ore lumps typically 5mm18mm 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 12 hours before the products are air cooled, magnetically separated, screened and size wise in finished product ...

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.

Rotary Kiln Sponge Iron In South Africa

Rotary Kiln Sponge Iron In South Africa. Cement plant rotary kiln equipment ,cost of tunnel kiln for sponge iron ,designing of an intelligent fuzzy logic system,direct reduced iron by tunnel kiln ,kiln for spong sale in south africa ,pottery kiln for sale south africa ,process making sponge iron rotary kiln,rotary kiln for sale south africa ,rotary kiln supplier south africa ,rotary kiln ...

Modelling 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

Extractive Metallurgy: Sponge Iron Making

The process proposed to be adopted is the rotary kiln proposes using Non-coking coal and iron ore. Iron are undergoes the following reduction reaction in all the processes. Based on Fig 3. seen that the reaction start at Temperature around 700 oC with 60% of CO at 1 atm.

sponge iron process

Aug 03, 2011  COAL INJECTION IN ROTARY KILN K.Ramu, C.Ramesh, A.Rajasekaran 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.

Rotary Kiln Process of Making Sponge Iron C

Sponge iron production in rotary kiln pdf Rotary Kiln Process of Making Sponge Iron The production of steel began in ancient times but because of the complexity and . Sree Metaliks Ltd. Direct reduction processes are classified , The process to be adopted is the rotary kiln process using low-grade , Process Flow Of Sponge Iron Making .

process making sponge iron rotary kiln animation

process making sponge iron rotary kiln animation Crusher News . process making sponge iron rotary kiln animation.The Zenith Mining Machine is custom designed to reduce your operating costs and increase your mine production by ...

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 ...

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 – 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

How is sponge iron made - Answers

The above kiln dia and length can produce 100MT of sponge/day.Though all reaction takes place in solid state the product from the kiln transfered to a rotary drum called COOLER ,where sponge iron ...

Tunnel Sponge Iron Kiln Process - Ketel Service Nederland

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.

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 – 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

How is sponge iron made - Answers

The above kiln dia and length can produce 100MT of sponge/day.Though all reaction takes place in solid state the product from the kiln transfered to a rotary drum called COOLER ,where sponge iron ...

Tunnel Sponge Iron Kiln Process - Ketel Service Nederland

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.

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 ,

Analysis of temperature profile and % metallization in ...

The literature discussed above is based on CFD analysis of rotary kiln of cement plant. As the focus of the present work is to study the kiln of sponge iron process, literature related to it is discussed here: Prasad and Ray simulated flow pattern of air using FLUENT software in rotary kiln of a typical 100 tpd sponge iron process. For ...

US2462900A - Reduction accelerator for the sponge iron ...

sponge iron iron rotary kiln sponge Prior art date 1946-09-30 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US700181A Inventor John P Riott Original Assignee John ...

Extractive Metallurgy: Sponge Iron Making

The process proposed to be adopted is the rotary kiln proposes using Non-coking coal and iron ore. Iron are undergoes the following reduction reaction in all the processes. Based on Fig 3. seen that the reaction start at Temperature around 700 oC with 60%

Energy Audit Methodology of Sponge Iron Manufacturing ...

Most of the plants in India use DRI process—a 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

Process Of Making Sponge Iron By Rotary Kiln

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. We Have More Than 40 Years of Experience.

Sponge iron production in tunnel kiln – Aramico Company

Although iron powder could be produced in sponge iron tunnel kiln production line and it is the main raw material for powder metallurgy production lines. Process In sponge iron production plant by tunnel kiln method, after crushing and screening raw materials, iron ore, coal and limestone are mixed and charged in storage bins in certain ratios.

Rotary Kiln For Sponge Iron / Dry Process Rotary Kiln ...

rotary kiln for sponge iron / dry process rotary kiln / rotary kiln for cement plant Rotary kiln Our company has manufactured a new rotary kiln production line with low pressure and energy consumption, which adopts advanced technology.And the rotary kiln also has functions of environmental protection and energy conservation.

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.

Rotary Kiln Maintenance Procedures

rotary kiln operations. Regardless of rotary kiln size or configuration the basic principles outlined in this manual govern the reliable operation of every rotary kiln, calciner, dryer, incinerator, digester and cooler application. For questions or problems with your specific application please contact North American Kiln