sponge iron plant process
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sponge iron plant process

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

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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.

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Sponge Iron - an overview | ScienceDirect Topics

The iron-sponge sweetening process is a batch process with the sponge being a hydrated iron oxide (Fe 2 O 3) supported on wood shavings. The reaction between the sponge and H 2 S is. The ferric oxide is present in a hydrated form. The reaction does not proceed without the water of hydration.

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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 ...

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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

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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 ...

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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 ...

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Sponge Iron Plant - Entrepreneur India

The sponge iron is a substitute for scrap in the electric arc furnace, which can be easily manufactured from indigenously available raw materials at very competitive price. It is the iron ore reduced in solid state by a direct reduction process using natural gas or non cooking coal as reluctant.

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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 ...

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Sponge Iron (DRI) | The Hira Group

In Energy conservation process in DRI plant we catch Process resultant fuel gases which is at high temperatures of around 950°C from the sponge iron kiln; constituting significant amount of heat energy. With WHRB, a modern Technology, We produces around 0.5 million TPA of Sponge Iron. Thus we have achieved about 85% recovery of waste heat from ...

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Energy Audit Methodology of Sponge Iron Manufacturing ...

2. Description of Sponge Iron Manufacturing Process 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 ...

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Sponge Iron | Manufacturer of Sponge Iron

Sponge iron is formed through the reduction of iron ore to metallic iron through reaction with carbon in the form of coal, etc. at approx. 1100 degree Celsius. Sponge iron is also referred to as direct reduced iron, metalized iron, or hot briquetted iron.

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What is Sponge Iron? (with pictures) - Info Bloom

Malcolm Tatum Sponge iron is created from iron ore. Sometimes known as direct-reduced iron, sponge iron is a product that is produced using iron ore.The iron ore is often in the form of pellets or lumps, and is subjected to a reduction process that is created by the use of a reducing gas that emits from coal or a natural gas source.

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Direct Reduced Iron and its Production Processes – IspatGuru

Mar 16, 2013 · Fig 2 Principle of direct reduction process. Gas based process. In the gas based reduction processes, a vertical shaft kiln is used in which iron ore is fed into the top of the kiln and finished sponge iron is drawn off from the bottom after cooling it so as to prevent its re-oxidation.

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TMT Bar Manufacturing Plants and Process with Latest ...

Best TMT Bar Manufacturing Plants India – In the Direct Reduced Iron (DRI) plant, production of sponge iron using a solid reductant involves reducing iron ore (lumps/pellets) with a carbonaceous material such as coal. The reduction is carried out in a rotary kiln (which is inclined and rotates at a predetermined range of speeds) at a ...

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INDUSTRIAL PROJECT CONSULTANT

Our area of work Are Sponge Iron Plant, Pellet Plant, Power Plant, Steel Melting, Rolling Mill. ... While iron making is a reduction process, steel making is an oxidation process. ROLLING MILL. Rolling mills are facilities that carry out a series of processes including rolling the billets, blooms, slab and beam blanks – extracted from the ...

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iron ore mineral processing in venezuela

SPONGE IRON PLANT FEASIBILITY STUDY IN 2020-11-10 · mineral products in Indonesia, including iron ore feasibility of unknown prospects. It requires the calculation of the investment feasibility of the development of iron ore mineral processing industry

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Process Description and flow diagram of Coal Based DRI Plant

Aug 07, 2016 · • Sponge iron produced by the process will be the high grade which contains 80% Fe, 12% FeO and 8% gangue material. After separation of sponge iron in the magnetic screen/pulley, the remains are collected as char. Char has good amount of fixed carbon (25% - 30%) and moderate GCV (2500 - 2600 Kcal/Kg).

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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 ...

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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) 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 ...

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ENERGY-EFFICIENT TECHNOLOGY OPTIONS FOR DIRECT

Direct Reduction of Iron Process (Sponge Iron Plants). New Delhi: The Energy and Resources Institute Published by The Energy and Resources Institute (TERI) Darbari Seth Block, IHC Complex, Lodhi Road, New Delhi – 110003. iii ENERGY-EFFICIENT TECHNOLOGY OPTIONS FOR DIRECT REDUCTION OF IRON PROCESS

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US4490168A - Process of making steel by melting sponge ...

Sponge iron produced by direct reduction is melted in an electric arc furnace, in which a pool of liquid metal is maintained. To ensure that liquid carbon-containing iron for forming the pool is available in adequate quantities and that the process can be carried out with the highest possible economy, the sponge iron is reacted in an electric arc furnace on a bath of liquid carbon-containing ...

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SPONGE IRON INDUSTRY

The average sponge iron plant size in India is 0.0886 MTPA implying the dominance of medium scale plants in the country 18. The average plant size in Chhattisgarh is 0.1026 MTPA and that in Jharkhand is 0.0641 MTPA19. Odisha has plants with 0.0971 MTPA capacity on an average while in West Bengal the average capacity of a sponge iron plant is 0 ...

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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.

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PRODUCTION OF IRON AND STEEL POWDERS

Höganäs sponge-iron process and the water-atomizing process. The former process is based on reduction of iron ore, yielding a highly porous sponge-iron which subsequently is comminuted to powder. The latter process is based on atomization of a stream of liquid iron (or steel) by means of a jet of pressurized water. Both processes will be ...

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TMT Bar Manufacturing Plants and Process with Latest ...

Best TMT Bar Manufacturing Plants India – In the Direct Reduced Iron (DRI) plant, production of sponge iron using a solid reductant involves reducing iron ore (lumps/pellets) with a carbonaceous material such as coal. The reduction is carried out in a rotary kiln (which is inclined and rotates at a predetermined range of speeds) at a ...

Read More
INDUSTRIAL PROJECT CONSULTANT

Our area of work Are Sponge Iron Plant, Pellet Plant, Power Plant, Steel Melting, Rolling Mill. ... While iron making is a reduction process, steel making is an oxidation process. ROLLING MILL. Rolling mills are facilities that carry out a series of processes including rolling the billets, blooms, slab and beam blanks – extracted from the ...

Read More
iron ore mineral processing in venezuela

SPONGE IRON PLANT FEASIBILITY STUDY IN 2020-11-10 · mineral products in Indonesia, including iron ore feasibility of unknown prospects. It requires the calculation of the investment feasibility of the development of iron ore mineral processing industry

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

Sponge generation iron plant Design of modifications Payback period a b s t r a c t 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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Hydrogen in steel production: what is happening in Europe ...

May 26, 2021 · The figure below shows the process of steelmaking using the DR-EAF route. Iron ore is reduced with hydrogen while in a solid state, hence the name direct reduction, to produce direct reduced iron (DRI) called sponge iron. Sponge iron is then fed into an EAF, where electrodes generate a current to melt the sponge iron to produce steel. Some ...

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Production cost of sponge iron Input parameters Unit cost ...

In the present work, an effort is made for best utilization of waste heat to reduce energy requirements in sponge iron plants. For this purpose, based on the principles of process integration ...

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sponge iron from iron concentrate tunnel kilns | Prominer ...

sponge iron industry - india environment portal29 apr 2010 blast furnace. sponge iron is fed into the electric furnace for steel production or into foundries for the .. 3) material: proximity to material such as coal and iron ore. the mixture then moves to a tunnel-kiln where it is. Get Price

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