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Process Production Sponge Iron

Process Production Sponge Iron1
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SPONGE IRON Lloyd’s Metals

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 product bunkers prior to dispatch.

Production of sponge iron powder by reduction of

The sponge iron obtained subsequently passes into a rotary cooler where it is cooled with water11-15. There is another process known as the H gan s process in which high purity ore is placed together with coke and lime in ceramic containers which are in turn placed in a reduction furnace where the process takes place16.

OPERATIONAL ASPECTS OF SPONGE IRON

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.

PROCESS FOR PRODUCTION OF SPONGE IRON

Process for production of sponge iron by direct reduction of iron ore wherein iron ore admixed with a carbonaceous reducing agent is passed through a rotary kiln countercurrent to a gas stream and wherein granular coking high volatile coal is injected co-current to said gas stream as a solid reducing agent by means of oxygen containing gases through an inlet pipe and said solid reducing agent becomes admixed with the iron.

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.

Energy Audit Methodology of Sponge Iron Manufacturing

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 251 to 311. This shows that the manufacturing process mostly uses thermal energy and application of electrical energy is insignificant.

AT350600B Process for treating sponge iron to prevent

Process of treatment of sponge iron for its protection against reoxidation and or corrosion apparatus for its realization and sponge iron in particles thus obtained AU3920778A AU505111B1 en 1977-08-25 1978-08-24 Process of treating sponge iron for protection against reoxidation and apparatus.

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.

OPERATIONAL ASPECTS OF SPONGE IRON

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.

sponge iron process 2010

Jul 29 2010 Thursday July 29 2010. TECHNICAL ASPECTS OF MANUFACTURE OF SPONGE IRON. We have produced 55 million tons plus of steel in our country in the year 2008.This production of steel has come thro both conventional blast furnace route electric arcinduction furnace route and thro new iron making technology COREX. Process.

Direct Reduced Iron and its Production Processes

Mar 16 2013 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.

SPONGE IRON INDUSTRY

India is the worlds largest producer of sponge iron accounting for 13 per cent of the global production 8. Sponge iron is produced using either coal or natural gas.

LowCarbon Production of Iron amp; Steel Technology

Mar 08 2021 The Al Reyadah CSLForum 2020 Sakaria 2017 plant uses SMR for syngas production and then feed it as reducing gas to a HYL DRI plant for sponge iron production. The off-gas from the process consists of CO2 and H2O which is the source of capture for CCS facility.

process manufacturing iron ore

2.3 The H gan s Sponge Iron Process The H gan s sponge iron process is essentially a chemical process in which finely divided iron ore is being reduced with coke breeze yielding a spongy mass of solid metallic iron which can readily be comminuted to iron powder.

Sponge Iron an overview ScienceDirect Topics

7.7.1 Iron Sponge Process. The iron sponge absorption is the earliest sulfur removal process and remains one of the widely used processes today. Iron sponge is very selective for H2 S removal. In this process the inlet gas is fed at the top of the fixed-bed reactor filled with hydrated ferric oxide Fe2 O 3.

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.

Investigation of bubblehearth process for production of

Investigation of bubble-hearth process for production of sponge iron OCoLC608744087 Online version Barrett E.P. Investigation of bubble-hearth process for production of sponge iron OCoLC609332286 Material Type Government publication National government publication Document Type Book All Authors Contributors E P Barrett; United.

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. The sponge iron is also known as Direct Reduced.

Project Report on SPONGE IRON REDUCTION PLANT STEEL

SPONGE IRON REDUCTION PLANT STEEL BILLETS FROM IRON ORE - Project Report - Manufacturing Process - Cost - Investment Required. Report includes feasibility report profitability analysis raw materials break even points formulations and formula and much more.

process manufacturing iron ore

2.3 The H gan s Sponge Iron Process The H gan s sponge iron process is essentially a chemical process in which finely divided iron ore is being reduced with coke breeze yielding a spongy mass of solid metallic iron which can readily be comminuted to iron powder.

Hydrogen in steel production what is happening in

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.

The reasons for the success of Sponge Iron Industry in

Jul 28 2017 In addition as sponge iron is used as an alternative to scrap iron EAF process the demand for sponge iron is also dependent on prices and availability of ferrous scrap.

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