coal based sponge iron process

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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.

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Sponge Iron Industry - SlideShare

Pollution in the Coal Based Sponge Iron Industry in India Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website.

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Development of energy conservations scenarios for sponge ...

The process flow diagram of conventional coal-based sponge iron plant is shown in Fig. 1.The operating data shown in Fig. 1 is taken from a typical Indian sponge iron plant. In the conventional process kiln feed, which consists of iron ore, feed coal, and dolomite, is fed to the rotary kiln.

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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.

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Sponge Iron | Gagan Tmt

Sponge iron will be manufactured through the coal-based route in which crushed iron ore is converted into DRI. A long, slightly inclined, slowly rotating kiln is employed to carry out the reduction. The process would be designed to carry out reduction using solid reductant like non-coking coal.

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Process Description and flow diagram of Coal Based DRI …

Process Description and flow diagram of Coal Based DRI Plant Description of Sponge Iron Manufacturing Process Most of the pla... Some of Required Properties Of Iron Ore for Sponge Iron Operation. Iron, along with its generic products, is currently the most widely utilised metal in the various sectors of the world's economy.

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Optimized-Sponge-Iron-Making-Process | Carbon Dioxide | Coal

The use of high-grade iron ore as well as non-coking coal for manufacture of DRI (Sponge Iron) as an alternative to steel scrap finally received due attention. The first DRI unit in India was commissioned in '80 by Sponge Iron India Ltd. (SIIL) based on SL/RN process of LURGI with a capacity of 30,000 TPA.

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gas based sponge iron plant

The carbon content in sponge iron produced by coal based rotay kiln processes are generally low and is in the range og 0.08% to 0.20%.The carbon content in gas based processes can be controllrd to a level of 1.5% to 2.0% based on requirement for steel making.

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rotary kiln process of making sponge iron | Solution for ...

Sponge iron making is a process in which iron ore lumps … for a rotary kiln coal based sponge iron manufacturing process to be successful it is absolutely … 8122424015 9788122424010 Advances Rotary Kiln Sponge Iron Plant …

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Direct reduced iron - Wikipedia

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) to iron by a reducing gas or elemental carbon produced from natural gas or coal. Many ores are suitable for direct reduction.

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Recovery and utilization of waste heat in a coal …

The present work is an attempt to conserve energy in coal based sponge iron industry incorporating certain design modifications without disturbing the process technology. A typical sponge iron plant has

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Sponge Iron - HIRA - Godawari Power & Ispat Limited

Coal based Sponge-iron is a metallic product produced through direct reduction of iron ore in the solid state .As such it is also known as Direct Reduced Iron (DRI). Iron Ore Pellet is used for reduction.

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DRI, THE SPONGE IRON INDUSTRIE FULL VIDEO - YouTube

 · 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 .

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Design Modifications for Energy Conservation of Sponge ...

During the operation in the coal based sponge iron plant, a tremendous amount of heat is generated and significant part of this heat, associated with the waste gas, remains unutilized. It appears worth interesting to modify the process that facilitates the integration of heat available with the waste gas.

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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. The process has the advantage of low capital expenditure and no requirement of coking coal.

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Ief Process Coal Based Sponge Iron Rotary Kiln

brief process of coal based sponge iron rotary kiln. malaysian manganese mining company is manufactured from iron ore mining company in Next:brief process of coal based sponge iron rotary kiln. Please . Chat With Sales. processing coal by rotary kiln …

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Energy integration of sponge iron production …

Energy integration of sponge iron production process ... of energy in the coal based sponge iron industry by heat integration and incorporating certain design modifications ... Indian sponge iron process of capacity 100 tpd is considered.

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2.5 MTPY DR PLANT (COG + Syngas) based Comparison …

process produced from iron ore which is consequently Gas Based used as a ... handling, storage & shipping. In India the coal based kiln type DRI plants became more popular because of availability of coal and to meet out the requirement of small steel plants. The gas based DRI ... SPONGE IRON - LUMPS (i) % NON MAGNETIC 1.0 MAXIMUM (ii ...

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OVERVIEW OF PROBLEMS IN SPONGE IRON INDUSTRY

sponge iron plants, therefore, are using any non coking/steam coal available to them. Many of the sponge iron producers have switched over to imported coal usage which has superior properties compared to local coal.

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Sponge iron plant process pdf

Rotary kiln based sponge iron plant process pdf. Iron ore pelletizing DR pellets are used in the direct reduction processes to produce sponge.speed of the ancient process, they could not be carried out on a. 2 A concise schematic representation of a rotary kiln sponge iron plant. 1

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Coal Based Sponge Iron Plant Pdf - bed-at-work.eu

CASE STUDY ON THRESHOLD PROBLEM Sponge Iron Production Process Process description This is the case study of typical coal based sponge iron plant of . Chat With Sales difference between sponge iron kiln and .

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(PDF) Energy survey of the coal based sponge iron industry

The present work is an attempt to conserve energy in coal based sponge iron industry incorporating certain design modifications without disturbing the process technology.

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brief process of coal based sponge iron rotary kiln ...

brief process of coal based sponge iron rotary kiln KAMY is the worldwide leader in manufacturing hydraulic cutters, road headers, tunnel support systems, and other specialized machinery used in the tunneling, mining, and construction industries.

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Manufacturers of Sponge Iron - Galaxy Refractories

Sponge iron is also known as direct reduced iron as it is obtained by reduction of iron. It is a very useful type of iron that is used in steel making process. It has also become popular because of paucity of coking coal and steel scrap that goes into arc furnaces and induction furnaces.

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SteelWorld.com - Monthly Journal

In coal based sponge iron kilns, depending on the quality of reductant (coal) used, about 60% of the total heat input is utilised in the reduction process. About 40% of the heat input is discharged with the kiln waste gases and the kiln materials in the form of sensible or chemical heat.

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coal based sponge iron process - htm-slovakia.eu

coal based sponge iron process - laceindiain The coal based rotary kiln process of making sponge iron is the focus of the present write up. Get Info; coal based tunnel kiln process in india - Roadheaders.

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CASE STUDY ON THRESHOLD PROBLEM Sponge …

CASE STUDY ON THRESHOLD PROBLEM Sponge Iron Production Process Process description This is the case study of typical coal based sponge iron plant of 500 tonne per day capacity. The process flow diagram (PFD) of the sponge iron process …

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CHAIRMAN'S MESSAGE

CHAIRMAN'S MESSAGE I am happy that Mr. Deependra Kashiva has joined SIMA as it Executive Director. He has been ... Coal based Sponge Iron Industry is highly energy intensive industry. The thermal energy consumption ... It is important to note that since in coal based DRI process, thermal energy accounts for approx 98% of

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