dolomite in sponge iron process

Sponge Iron – Metalist.co

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.

China High Quality Sponge Iron Powder Direct Reduced Iron ...

High Quality Sponge Iron Powder Direct reduced iron/Sponge Iron Introduction of Sponge Iron Sponge iron is a metallic product produced through direct reduction of iron ore in the solid state. It is a substitute for scrap and is mainly used in making steel through the secondary route. The process of sponge iron making aims to remove the oxygen ...

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 …

Dolomite Stone And Quartz - IndiaMART.com

Sponge iron is not useful by itself, but can be processed to create wrought iron. The sponge is removed from the furnace, called a bloomery, and repeatedly beaten with heavy hammers and folded over to remove the slag, oxidise any carbon or carbide and weld the iron together.

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

The actual process of the coal based sponge iron production is based on SL/RN process (jointly developed by the Steel Company of Canada, Lurgi Chemie, Republic Steel Company and National Lead Corporation in 1964), which works on direct reduction of ore.This process is adopted by worldwide conventional sponge iron industries.

advantages of limestone in sponge iron process

are produced by additions of lizenithne, dolomite...Advantages of PelletsIron ore pellet is a kind ...process in a coal base sponge iron kiln if -... Get Price advantages of lizenithne in sponge iron process

Direct Reduced Iron Plant in Vidarbha, Maharashtra, India ...

It has now become one of the biggest Sponge Iron manufacturers in Vidarbha region of Maharashtra. The major raw materials required for production of Sponge Iron by using Rotary Kiln Process are sized iron ore and Non-coking coal. Dolomite / limestone in small quantities is also required as de-sulphurizing agent to control sulphur in the sponge ...

sponge iron process

Jul 29, 2010· We are the largest producer of sponge iron using non coking coal as a reductant and and are having the largest coal based plant in the world. We shall discuss in detail all technical aspects of coal base sponge iron making with particular reference to control of important process parameters to achieve quality sponge iron in this august gathering.

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 ...

advantages Of Dolomite Process Gypsum Russian

advantages and disadvantages of dolomite keuken310.nl. advantages of dolomite process abwasseranlagen.eu. advantages of limestone in sponge iron process. advantages of limestone in sponge iron process, iron through tunnel advantages of limestone in sponge iron, dolomite and limestone The sponge iron issuing . >>Chat Online; advantages and disadvantages of adit mining …

Simulation of Rotary Kiln Used in Sponge Iron Process ...

out. The role of kiln is to convert the raw material (iron ore, coal and dolomite) into the sponge iron [8]. Detail reaction mechanism of the process is discussed below: There are two reduction reactions. First reaction converts iron ore to iron oxide which further reacts with CO to produce metallic iron (Fe) which is called sponge iron.

status of sponge iron plant, Orissa - vasundharaodisha.org

The process of sponge iron involves the removal of oxygen from iron ore. During this process, the departing oxygen causes micro pores in the ore body making it porous. The final product, when observed under a ... along with some dolomite. Coal plays a dual role in the process by acting as a

advantages and disadvantages of dolomite - keuken310.nl

Mar 07, 2018· Materials to Process: this machine can be used to process all kinds of non-flammable and non-explosive mineral materials with the mosh hardness below 9.3 and humidity below 7%, and it is the perfect choice for the materials such as quartz, feldspar, calcite, limestone, talc, ceramics, marble, granite, dolomite, bauxite, iron.

Recovery and utilization of waste heat in a coal based ...

Recovery and utilization of waste heat in a coal based sponge iron process Vivek Kumar, Shabina Khanam∗ Department of Chemical Engineering, National Institute of Technology, Rourkela-769008, Orissa, India a r t i c l e i n f o Article history: Received 1 October 2011 Received in revised form 26 January 2012 Accepted 7 March 2012

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

i) Direct Reduced Iron: Production ... This product is known as direct reduced iron (DRI) or sponge iron. Processes that produce iron by reduction of iron ore (in solid state) below the melting ...

Sponge Iron Composition & Manufacturing Process - Lloyd's ...

Process. 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 ...

Coal Base DRI Operation: Process Description and flow ...

Aug 07, 2016· 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. Raw material mix-iron ore, dolomite and coal are fed to one end of rotary Kiln as well as some fine coal also fed from discharge end and product sponge iron along with char is taken out from the other ...

2 D Model of Sponge Iron Rotary Kiln Developed Using CFD

2 D Model of Sponge Iron Rotary Kiln Developed Using CFD Gajendra Kumar Gaurav* and Shabina Khanam *Research Scholar and Assistant professor Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee - 247 667, India _____ Abstract: The present paper deals with 2D CFD model of rotary kilns employed in sponge iron process.

ORISSA SPONGE IRON AND STEEL LTD.

Coal acts as the reductant to romove oxygen from iron ore. The process of reduction causes micro pores in the ore body turning it porous. Directly reduced iron looks like sponge in texture due to pores and hence is called sponge iron. Iron Ore after due reduction inside the kiln is discharged to a rotary cooler of 3.5 mtr.

Sponge Iron Rotary Kiln Alignment Ppt - balieieper.be

Process Making Sponge Iron Rotary Kiln Animation. sponge iron rotary kiln process cement. Rotary Kiln - Cement Rotary Kiln and Sponge Iron Rotary Kiln Rotary kiln is a rotating cylindrical vessel which is used for drying, calcination and sintering in a continuous process with the use of hot. Live Chat » slrn process sponge iron - skinzleather ...

WELSPUN STEEL LIMITED

Therefore, it is essential to examine the chemical and physical characteristics of raw materials, both individually and in combination. The basic raw materials for the production of sponge iron are iron ore, non-coking coal and dolomite. Sizing of the Raw materials also play vital role in sponge iron manufacturing process. The required size of ...

How To Use Dolamite In Spong Iron Plant - rolvaplast.be

crusher of making sponge iron process - immobilien-tessin.eu. jaw crusher of making sponge iron proces. Detailed process of 100tpd-8000tpd rotary kiln cement plant/cement making machinery/cement kiln . such as limestone,clay,iron ore and coal,etc Limestone is the largest amount of raw material . mini cement plant white cement plant sponge iron plant.

MGM

The basic raw materials for the production of sponge iron are iron ore, non coking coal and dolomite. Iron Ore: Iron ore is the source of iron and available in oxide form namely hematite(Fe2O3). As only oxygen can be removed from the iron ore during the process of making sponge iron iron,ores rich in iron content of 65percent and above is ...

A PROCESS FOR REFINING STEEL IN INDUCTION FURNACE

furnace. In the process of the present invention core type or coreless induction furnace can be used. In the process of the present invention the metallic charge which is supplied in the induction furnace comprises cast iron / pig iron, steel scrap and sponge iron, which contains iron oxide (FeO).

Bhagwati Sponge Private Limited - Welcome to Environment

BHAGWATI SPONGE PRIVATE LIMITED 3 - 1 3 – MANUFACTURING PROCESS 3.1 MANUFACTURING PROCESS 3.1.1 SPONGE IRON PLANT M/s BSPL is now operating 2 DRI kilns, each of 100 TPD capacity for production of 60,000 TPA sponge iron. The company is now planning to install (1x200 +1x350) TPD DRI Kilns for production of 1,65,000 TPA Sponge Iron.

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 …

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

Sponge Iron - 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 ...

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 .

F ocus - Steelworld

Sponge Iron India Ltd. (SIIL) was the first sponge iron plant in the country which was set up at Paloncha in Andhra Pradesh in 1990 with an initial capacity of 0.03 Mtpy . Since coal was adequately available in India, production of coal-based sponge iron plants was considered as a …

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