slrn procedure for sponge iron production

About. 32years of experience in Sponge Iron, Steel and Power Industry. Coal based Rotary Kiln Process for DRI(Sponge Iron) making is the speciality as success in return.

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 ...

requirement of sponge iron production. Today India produce 13.9 million tons of sponge iron, out of which 4.2 million ton is gas based and remaining 9.7 million ton is coal based. India has a proven reserve of 410 million ton of high grade iron ore, another 440 million ton of high grade iron …

All effective methods of direct reduction actually use the same process: rich iron ore (fine concentrate or pellets) is reduced by a special gas mixture up to the iron content of 85-90%. This explains why the production of direct-reduced iron is mainly concentrated in countries with large reserves of oil (oilwell gas), natural gas and iron ore ...

 · 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

slrn process of sponge iron making - swiming-project ... slrn process sponge iron wikipedia process of producing iron flow chart Iron beneficiation and production ... slrn process of sponge iron making china group ...

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 …

This book provides a fascinating study of the very important emerging field of direct reduction in which iron ore is ''directly reduced'' in the solid-state, using either natural gas or non-coking coal, to produce a highly metallised material, referred to as sponge iron (or direct reduced iron). This intermediate product is subsequently melted in electric arc furnaces or induction furnaces ...

Process For Producing Sponge Iron Particles And Molten Pig Iron. 4299694 Method and apparatus for char separation from the discharge materials of an iron oxide ... Read more coal based sponge iron process - crusher in India

A process for producing pig iron is described, which contains a reducing shaft furnace 1 and a melting gasifier 2. The sponge iron produced from iron ores in the reducing shaft furnace is supplied to the melting gasifier and converted there into a pig iron melt. The gas produced in the melting gasifier is supplied directly via a line 4 as reducing gas to the reducing shaft furnace.

Reduction Of Ilmenite Sand In Tunnel Kiln tembaletu tunnel kiln process sponge iron crusher. 201925 tunnel kiln process for sponge iron making process making sponge iron rotary kiln Get the price of machineshttp quartz crusher contact More details Crusher Wikipedia A crusher is a machine designed to reduce large rocks into smaller.

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...

 · DR process, DRI, HBI, Iron making. 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 or natural gas.

iron ore pellets producer in iraniron ore pellets production flow chart ppt. Vale is the worlds biggest producer of iron ore and pellets, raw materials essential to the manufacture of steel iron ore is found in nature in the form of rocks, mixed with other elements by means of various industrial processes incorporating cuttingedge technology, iron ore is processed and then sold to steel companies

calculation of sponge iron recovery in induction furnace. There are forty years of manufacturing history, with three major production bases,over 160 senior R&D engineers and 600+ large and medium-sized digital processing equipment, The first-line technicians and professional after-sales service personnel up to 2,300+ and 200+ respectively troducing advanced technology and craftsmanship ...

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 ...

Barite spong iron kiln spracheintegration.Slrn process of sponge iron making more details producing iron with slrn process carry crusher producing iron with slrn process sponge iron is a metallic product formed by the reduction of iron ore at temperature just ins rotary kiln.Live chat primus process for sponge iron production.

The so-called Stelco-Lurgi/Republic Steel-National Lead (SL/RN) process is a widely used coal-based DRI-making process which uses a rotary kiln. The process uses lump ore, pellets and solid carbon (non-coking coal) to produce hot or cold DRI. The process operates at high temperature and atmospheric pressure. In (SL/RN) process using rotary kilns lump iron ore or pellets and non-coking coal are ...

 · Direct reduced iron, also called sponge iron, is produced from the direct reduction of iron ore to iron by a reducing gas or elemental carbon produced from natural gas or coal . In some models, Sponge Iron is the category for HBI (Hot Briquette Iron), CDRI (Cold DRI) and HDRI (Hot DRI).

producing iron with slrn process in greece. SLRN process Outotec,In the standard SLRN process iron ore coal and dolomite or limestone as desulfurizing agent are charged into a rotary kiln and heated up by a countercurrent gas flow Heat is generated by the controlled combustion of volatiles from the coal and surplus CO from the charge...As a leading global manufacturer of crushing equipment ...

iron and steel manufacturing process.ppt. iron and steel manufacturing process.ppt - Free download as Powerpoint Presentation (. ppt), PDF File (.pdf), Text file (.txt) or view presentation This technique produces 97.0 percent pure iron, which is called, solid Sponge Iron.

China Group For Reduction Iron Ore Slrn Grinding . 2018-3-6reduction of iron ore fines in the ffcon furnace 1eduction of iron ore fines in the ffcon furnace 1 plants in south africa and china reduction of iron ore fines in the ffcon furnace 5 the slrn process is free online chatponge iron industry4 pr china.

Sponge Iron China Impact Crusher. Sponge Iron By Tunnel Process In South Africa 20171025impact crusher sponge iron by tunnel process in south africa mobile crushing plant jindal steel power ltd crocodyl from a moderately performing company in the steel sector to the largest sponge iron diamond mining in the democratic republic of congo and coal ...

Processing Iron Sand To Sponge Iron By Rotary Kiln. slrn process sponge iron in Pirooz, Khuzestan, ... crusher in sponge iron process. The process of sponge iron making aims to remove the oxygen from iron ore. ... like Fe (T), LOI, gangue content In Sponge Iron Process, ... iron pulverizer machine manufacturers... buy cast iron, sand iron ...

Operation. In the standard SL/RN process, iron ore, coal, and dolomite or limestone as desulfurizing agent are charged into a rotary kiln and heated up by a countercurrent gas flow. Heat is generated by the controlled combustion of volatiles from the coal and surplus CO from the charge. The reduction of iron oxides in the solid state is ...

who make sponge iron from coal and iron ore process. 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, noncoking coal and dolomite sizing of the raw materials also play vital role in sponge iron manufacturing process the required size of

 · The presentation describes different processes for the production of direct reduced iron.

slrn process of sponge iron making. This page is about process making sponge iron rotary kiln animation in south africa, slrn process of sponge iron making India – Ore Mining Machine, Request Quotation process of sponge iron making, prior and meticulous desulphurisation of natural gas is necessary to . metal crusher widely used in south africa

 · Midrex Process for Direct Reduction of Iron Ore. Midrex is an ironmaking process, developed for the production of direct reduced iron (DRI). It is a gas-based shaft furnace process is a solid state reduction process which reduces iron ore pellets or lump ore into DRI without their melting using reducing gas generally formed from natural gas.

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 from iron ore. The quality of sponge iron is primarily ascertained by the percentage of ...

 · Stockholm/Sweden – The Hybrit pilot plant in Luleå, Sweden has completed test production of sponge iron and demonstrates that it is possible to use fossil-free hydrogen gas to reduce iron ore instead of using coal and coke to remove the oxygen.Production has been continuous and of good quality. Around 100 tons have been made so far.This is the first time ever that hydrogen made …

Conducting complete energy audit (both process and utility) of a sponge iron unit is challenging as there is no laid down procedure to audit the process side. Further, the average heat to power ratio (kW th /kW e ) of sponge iron plants ranges from (25:1) to (31:1). This shows that the manufacturing process mostly uses thermal energy and application of electrical energy is insignificant.

 · Energy integration of sponge iron production process. process technology, the industry are facing a setback in market. Many investigators considered the process of sponge iron manufacturing and recommended improvement in that . It is found that during the operation in the coal based sponge iron plant, an incredible amount of heat is. Get Price

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 ...

process of sponge iron making, prior and meticulous de-sulphurisation of natural gas is necessary to prevent poisoning of catalyst used for reforming. Request Quotation. sponge iron process. Jul 29, ... slrn process sponge iron. china group for reduction iron ore sl/rn. process of sponge iron production power point animation. Request Quotation

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 ...

The separate production of Fe in efficient modern plants by the direct reduction process (DRI, operated below the melting point of iron) requires 12.8 GJ per ton of iron [9]. In this case, the production of 0.50 million tons Fe would require 6.4 million GJ.

Flow Process Iron Ore Processing Unit In India. Beneficiation of hematite iron orefirst latest special jigging plant for hamatite iron ore in india emf tech jig is a simple mineral processing device using water and the force of gravity to separate a raw ore stream by density.

Sponge Iron Production by Direct Reduction of Iron Oxide. Ed. Asoke K. Ghosh, PHI Learning Private Limited, New Delhi-110001, India, 2010, ISBN 978-81-203-3644-5, Printed Jay Print Pack Private Limited New Delhi-110015. pp. 1-353.

Rotary Kiln with SL/RN Process. Rotary Kiln with SL/RN Process. Coal Based Rotary Kiln for Direct Reduced Iron / Sponge Iron (100 TPD, 350 TPD, and 500 TPD) Solid-state reduction of Iron Ore using either coal/gas as a medium of reduction to produce a substitute raw material for steel making is termed as Direct Reduced Iron (DRI).

Iron Carbide Process: Energy input to the process is reported to be 12.6 GJ/t-product (IPPC, 2009. p.500). Total CO 2 emissions from the process are reported to be 2.17 t CO 2 /t-steel. Capital expenses for the process are estimated to be $347.6/t-steel. Production costs are estimated to be lower than other DRI processe. Commercial: Circored

Sponge iron powder . The Höganäs process is a direct reduction method for production of sponge iron powder using magnetite ore (Fe3O4) and carbon as raw materials. The reduction process takes place in a gas fired tunnel kiln at around 1200°C for 60 hours producing a sponge iron cake that is crushed, milled and

The Sponge Iron Manufacturers Association (SIMA) established in 1992 is an all India apex body of Indian sponge iron industry. It is the voice of the indian iron ore based sponge iron & steel industry, at both domestic and global forums. As a not-for-profit society, SIMA has been mandated to communicate the viewpoints of its constituents & al ...