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SL/RN process - Outotec

The SL/RN process was developed in the early 1960s by Outotec in collaboration ... the dominant technology for the direct reduction of lump ore or pellets using coal. ... pellets, lump ore, beach sand, ilmenite and also iron ore fines with SL/RN-Xtra. ... contents) and are therefore most suitable for high-quality DRI production.

Modeling of Rotary Kiln for Sponge Iron Processing ... - ethesis

following advantages sponge iron production is rising. ... In Sponge Iron industry Rotary kiln is the key equipment used to reduce iron ore to ... UNIDO came forward in bringing SL/RN technology of sponge iron making to our country with.

present state of the sl / rn process and its application to indian ...

In connection with the description of the SL/RN or Lurgi rotary kiln plants built so far, the ... PRODUCTION COST OF SPONGE IRON [0111 /. 100. ,-, 80. 60. 40.

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

4 Jun 2019 ... Shubhajit Mondal at Indian Institute of Technology Bhubaneswar ... production of sponge iron and profitability. ... V. Venkateswaran, “Mathematical Model Of SL/RN Direct Reduction Process”, M.Sc. Thesis. ... transfer between the gases, solids, equipment and the environment, evaporation and condensation ...

(PDF) 523-1 DESIGNING OF AN INTELLIGENT FUZZY LOGIC ...

Lungile Nyanga at Cape Peninsula University of Technology ... SPONGE IRON SL/RN ROTARY KILN BASED 100TPD DRI PROCESS ... The process dynamics of sponge iron production depends largely on kiln rotation, ... which worn the driver of expected dangers through an output devices which lead the driver to take all ...

Study on Accretion Formation on DRI kiln during spong iron ...

The history of sponge iron production says that the need for development and ... coal based technologies SL/RN technology of Lurgi GmbH,. West Germany has ...

Direct Reduction Process - an overview | ScienceDirect Topics

Quality requirements of iron ore for iron production. L. Lu, . ... Typical examples of the coal-based process include the SL/RN and ACCAR processes. ... A.E. Morris, in Encyclopedia of Materials: Science and Technology, 2001 ... The overall reactions taking place inside the kiln for production of sponge iron are as follows:.

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

Thus, there exists a large scope to apply modern technology to this industry and to ... The kiln data were taken at production of sponge iron of capacity 453.875 t/d. ... process of the coal based sponge iron production is based on SL/RN process ... 10) exiting the rotary kiln is processed through different equipment before it ...

Effect of Quality of Materials on the Quality of Sponge ...

degree of metallization in the sponge iron making technology[3]. ... iron production in the case of gas reduction processes one may fall back on natural gas ... process, the SL/RN process by Lurgi and the Codir process by Krupp all ... the installed capacity of direct reduction equipment for the production of sponge iron is.

Sponge Iron - WELSPUN STEEL LIMITED

The basic materials for the production of sponge iron are iron ore, non-coking coal ... SL/RN technology is a coal based rotary kiln direct reduction process ...

environmental - aspects of the direct reduction route to steel ...

Potential Pollution Problems Met With in Sponge Iron Production. Based on ... Weight of Equipment and Quantities of Concrete of Selected. Iron and ... 3.5 Gcal per ton of sponge iron, based on use of oil for generation of reducing gas in the ... mid-1960s, following the merger of the SL and RN technologies, considerable.

Direct reduced iron - Wikipedia

Direct reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ... Production préréduits (DRI et HBI) par procédés Midrex HYL Charbon.svg ... Supplies of powdered ore and natural gas are both available in areas such as Northern Australia, avoiding transport ... Midrex Technologies.

Energy Conservation in Sponge Iron Production Process ...

International Journal of Engineering Science and Innovative Technology ... Eriksson et al in 2005 carried out energy survey of sponge iron process and ... on the actual data of sponge iron plant along with detailed design of new equipment are ... [8] G. Elsenheimer, H. Serbent, ―The current position of the SL/RN process ...

Iron Making - Indian Bureau of Mines

production of pig iron in blast furnace, whereas steel scrap, lumpy iron ore (-18+6 mm) ... Process Technology: A simplified flow diagram of sponge iron making in ... Coal not only acts as a reducing agent, but it also supplies the heat required ... Most of the processes such as SL/RN, KRUPP-CODIR, DRC, TDR, SIIL, JINDAL,.

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

16 Mar 2012 ... cesses applying this technology include: SL/RN, Codir, ACCAR, DRC, ... The production of sponge iron is an energy consuming process and the major ... Step 2: Overall as well as equipment wise material balance are per-.

Sponge iron industry needs quick actions for survival - The ...

25 Oct 2013 ... The early plants came with a focus on high quality equipments, high quality ... The rapid growth of sponge iron industry was fuelled due to rise in steel ... available regarding the number of sponge iron plants, capacity and production. ... Second generation technologies based on mainly SL/RN were ...

The Direct Reduction of Iron Ore - jstor

come an important technology for steel makers ... sults were higher production of iron and lower consumption offuel ... Unfortunately the world has few supplies of ore of the quality ... SOLID REDUCTANT is the distinguishing feature of the SL/RN ... Industries, Inc. It has a capacity of 350,000 tons of sponge iron per year.

Sponge Iron Industry - SlideShare

17 Nov 2012 ... Pollution in the Coal Based Sponge Iron Industry in India. ... Published in: Technology ... For steel produced through the coking coal route, the production growth is only 5.5%. ... Nearly 95% of sponge iron units in West Bengal have been considered.2 ... All plants are coal based DRI, using SL/RN Process.6.

latest iron ore fines tunnel kiln technology - kvoefkanpur

Quality of sponge iron made by the Tunnel Kiln technology is superior as compared to that ... sponge iron production from ore -coal . ... SL/RN process - Outotec.

Sponge Iron - Manufacturers & Suppliers in India

Find here Sponge Iron manufacturers & OEM manufacturers India. ... Girth Gear, Spring Plate, (Rotary Kiln & Cooler)Kiln Tyre – Riding ... Odisha, using the proven German SL/RN technology provided by Outotec Oyj ... The entire production of Sponge Iron would be consumed in-house for manufacturing of MS billets.

SL/RN process - Outotec

The SL/RN process was developed in the early 1960s by Outotec in collaboration ... the dominant technology for the direct reduction of lump ore or pellets using coal. ... pellets, lump ore, beach sand, ilmenite and also iron ore fines with SL/RN-Xtra. ... contents) and are therefore most suitable for high-quality DRI production.

Modeling of Rotary Kiln for Sponge Iron Processing ... - ethesis

following advantages sponge iron production is rising. ... In Sponge Iron industry Rotary kiln is the key equipment used to reduce iron ore to ... UNIDO came forward in bringing SL/RN technology of sponge iron making to our country with.

present state of the sl / rn process and its application to indian ...

In connection with the description of the SL/RN or Lurgi rotary kiln plants built so far, the ... PRODUCTION COST OF SPONGE IRON [0111 /. 100. ,-, 80. 60. 40.

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

4 Jun 2019 ... Shubhajit Mondal at Indian Institute of Technology Bhubaneswar ... production of sponge iron and profitability. ... V. Venkateswaran, “Mathematical Model Of SL/RN Direct Reduction Process”, M.Sc. Thesis. ... transfer between the gases, solids, equipment and the environment, evaporation and condensation ...

(PDF) 523-1 DESIGNING OF AN INTELLIGENT FUZZY LOGIC ...

Lungile Nyanga at Cape Peninsula University of Technology ... SPONGE IRON SL/RN ROTARY KILN BASED 100TPD DRI PROCESS ... The process dynamics of sponge iron production depends largely on kiln rotation, ... which worn the driver of expected dangers through an output devices which lead the driver to take all ...

Study on Accretion Formation on DRI kiln during spong iron ...

The history of sponge iron production says that the need for development and ... coal based technologies SL/RN technology of Lurgi GmbH,. West Germany has ...

Direct Reduction Process - an overview | ScienceDirect Topics

Quality requirements of iron ore for iron production. L. Lu, . ... Typical examples of the coal-based process include the SL/RN and ACCAR processes. ... A.E. Morris, in Encyclopedia of Materials: Science and Technology, 2001 ... The overall reactions taking place inside the kiln for production of sponge iron are as follows:.

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

Thus, there exists a large scope to apply modern technology to this industry and to ... The kiln data were taken at production of sponge iron of capacity 453.875 t/d. ... process of the coal based sponge iron production is based on SL/RN process ... 10) exiting the rotary kiln is processed through different equipment before it ...

Effect of Quality of Materials on the Quality of Sponge ...

degree of metallization in the sponge iron making technology[3]. ... iron production in the case of gas reduction processes one may fall back on natural gas ... process, the SL/RN process by Lurgi and the Codir process by Krupp all ... the installed capacity of direct reduction equipment for the production of sponge iron is.

Sponge Iron - WELSPUN STEEL LIMITED

The basic materials for the production of sponge iron are iron ore, non-coking coal ... SL/RN technology is a coal based rotary kiln direct reduction process ...

Direct reduction : a review of commercial processes - epa nepis

This work provides the new or improved technology required for the control and ... Some developing nations have rich iron ore deposits and natural gas or oil supplies but do ... Systems A summary of sponge iron production capacity by the type of ... The rotary kiln systems used on an industrial scale are the SL/RN (Stelco, ...

Iron Making - MECON

Iron Making Division provides consultancy and engineering services for Blast Furnace ... Studies of Plant & Equipment, Asset Valuation, Technological up-gradation, ... Location, 1, Enhancement of pellet production at JSW, Toranagallu ... 10 x 150,000, SL/RN Technology for Bhushan Power & Steel Limited, Rengali, Orissa.

PROPERTIES AND FEATURES OF DIRECT REDUCED IRON ...

Keywords: iron production, direct reduction, partial oxidation, catalytic, gas ... plasma technology has not been successful at a commercial scale for DRI production and ... are utilized in coal-based direct reduction processes: SL/RN, Krupp-CODIR, ... for the Midrex process, burning of the furnace off gases supplies 235 Btu/ft3 ...

Coal Based Sponge Iron Industry - SteelWorld.com - Monthly ...

In electric arc furnace steel making some of these technologies involve the ... But the charging of sponge iron into blast furnaces does reduce coke ... for a 1,20,000 tpa module 100% indigenised equipment is available and for a 1,50,000 ... Experience with SL/RN Rotary Kilns at ISCOR by J L Ventor / A K Oosthseizes.

Sponge Iron Industry - Centre for Science and

Commercial production of sponge iron in India commenced in 19801. ... Installation of a sponge iron plant is not capital intensive and the technology required is fairly ... SL/RN (Outcompu): The process uses a flux to remove sulphur from the coal. ... competence or the financial capacity to install pollution control equipment or ...

“A study on the accretion formation in DRI kilns and possible ...

Barkatullah university institute of Technology, bhopal ... To improve the performance of rotary kiln and maintaining the quality of sponge iron, there is a need to reduce ... Primary iron production is still predominantly made by the blast furnace process. ... In the present work SL/RN process based plant is ... Major equipments:.

overview of the current state and development of co2 ... - ieaghg

Production of hot metal using coke based blast furnace technology has more ... only reached pilot or small scale commercial applications (i.e. SL/RN, RHF, etc ... heat recovery equipment to include the pre-heating of the CO2-lean top gas ... “Utilisation of Sponge Iron in Electric Arc Furnace” Direct from MIDREX Journal (2nd.

Rotary Kiln Process of Making Sponge Iron - New Age ...

pellets technology, which improves ... 2.8 Another comparison of sponge iron production of India and World ... 500 tpd), SL/RN (Lurgi) Process (100 and 500.

International Convention on CLEAN, GREEN ...

17 Jul 2009 ... "Clean, Green and Sustainable Technologies in Iron and Steel Making" at ... 5 to 9 and the social performance is measured by two indicators i.e. Sl. No. ... technologies and equipments as a proactive measure to promote greener technology. ... Maximum annual production potentiality of sponge iron (DRI) in ...

Indian secondary steel sector - FICCI

The secondary steel sector in the iron and steel industry is composed of production units which are a diverse lot with widely varying product range, technology ...

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