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corex process in iron making:

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COREX PROCESS in IRONMAKING Report Submitted by : Aditya Kumar Singh (5207), Bachelor in Technology, Metallurgy & Materials Engineering, National Institue of Foundry & Forge Technology, Ranchi, Jharkhand Page | 1 INTRODUCTION: For decades, there have been number of initiatives towards development of alternative smelting reduction route of iron making.

Corex Process for Production of Iron – IspatGuru

Feb 22, 2017 · Corex Process for Production of Iron. satyendra; February 22, 2017; 0 Comments ; Corex gas, Corex process, Dome, DRI, export gas, Hot metal, Iron ore lump, Melter-Gasifier, non coking coal, pellets, Reduction furnace,; Corex Process for Production of Iron. During the late twentieth century, several new initiatives have been taken for the development of the smelting reduction

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Dec 02, 2009 · (ii) Absence of post combustion means that much chemical energy is lost in the exit gases and consequently the coal consumption in Corex is much higher than in any other iron making process. (iii) The system is maintenance oriented, including cooling gas compressor for recycling part of COREX gas for cooling the hot gases from the melter-gasifier.

COREX Process of Iron Making - its Merits and Demerits ...

In a nutshell, COREX is a coal based SR (smelting reduction) process of making hot metal or pig iron by direct use of non-coking coal. The outputs can be used either by integrated mills or EAF (electric arc furnace) mills. The process gasifies non-coking coal in a

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Corex, the unique smelting-reduction process allows for the cost-effective and environmentally friendly production of hot metal from iron ore and coal. In the Corex process, all metallurgical work is carried out in two separate process reactors—the reduction shaft and the melter gasifier.

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The Corex process consists of two main parts a Reduction Shaft and a Melter- Gasifier . The main reagents for the Corex process are iron ore, noncoking coal, and oxygen. Unlike the Blast furnace the Corex process does not use a hot blast of nitrogen, thereby greatly reducing NOx gas emissions, but instead uses oxygen. In addition, the Corex process can use iron oxides containing up to 80% lump ore and uses non coking coal directly as a reducing agent.

Corex Process | Industrial Efficiency Technology & Measures

Corex is a smelting reduction process combining a melter gasifier with a reduction shaft. The process takes lump iron ore or pellets, non-coking coal, and oxygen as main inputs. Similar to the blast furnace process, the reduction gas moves in counter flow to the descending burden in the reduction shaft. Then, the reduced iron is discharged from the reduction shaft by screw conveyors and ...

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Oct 29, 2018 · Corex Process - iron Manufacturing Technology 1. IRON MANUFACTURING TECHNOLOGY COREXPROCESS 2. Metallurgy & Material Engineering Group Members – Usama Hassan(332) – Asfand Shahid(333) – JunaidIllahi (334) – Asad Jamil (335) – Ahmer Ejaz(336) 3.

JSW - Corex-Green Technology to produce hot metal

Corex is a smelting-reduction process developed by VAI, for cost-efficient and environmentally friendly production of hot metal from iron ore and low grade coal. The process differs from the conventional blast furnace route in that low grade coal can be directly used for ore reduction and melting work, eliminating the need for coke making units.

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Oct 08, 2015 · Corex Reduction Shaft Furnace. The primary reduction of the iron oxide feed stocks takes place in the reduction shaft furnace. The residence time in the redu...

COREX IRON MAKING PROCESS PDF -

Jan 30, 2021 · The attractiveness of the Corex process is due to i hot metal quality suitable for steelmaking, ii low investment and operational costs due to the elimination of coke ovens and by product plant, iii low process related emission rates, iv use of a

Corex Process | Industrial Efficiency Technology & Measures

Corex is a smelting reduction process combining a melter gasifier with a reduction shaft. The process takes lump iron ore or pellets, non-coking coal, and oxygen as main inputs. Similar to the blast furnace process, the reduction gas moves in counter flow to the descending burden in the reduction shaft. Then, the reduced iron is discharged from the reduction shaft by screw conveyors and ...

COREX IRON MAKING PROCESS PDF - deformafo

Mar 22, 2020 · Corex Process for Production of Iron. During the late twentieth century, several new initiatives have been taken for the development of the. COREX PROCESS in IRONMAKING Report Submitted by: Aditya Kumar Singh ( ), Bachelor in Technology, Metallurgy & Materials.

Cleaner Iron Production with Corex Process

A special manufacturing process is making the production of iron much more environmentally friendly. The outstanding feature of the “Corex process” is that it uses conventional coal instead of coking coal, the customary ingredient. Siemens is currently building the world’s largest Corex-based plant in China.

COREX IRON MAKING PROCESS PDF

Jun 08, 2021 · Corex Process for Production of Iron. During the late twentieth century, several new initiatives have been taken for the development of the. COREX PROCESS in IRONMAKING Report Submitted by: Aditya Kumar Singh ( ), Bachelor in Technology, Metallurgy & Materials.

Environment-friendly Corex process of iron and steel making:

Feb 27, 2008 · Environment-friendly Corex process of iron and steel making: The highlight of the process is it does not require coking coal. The process differs from the conventional blast furnace route; where un-treated non-coking coal can be directly used for ore reduction and melting work, eliminating the need for coking plants.

Ironmaking Process - Department of Energy

Of the Alternative Direct Iron Reduction Processes, 67% of the DRI is produced by the Midrex Shaft Furnace DRI processes. The second-most production of DRI (23%) is by the HYLSA processes. The balance is split between SL/RN (3%), Finmet (2%) and Other (predominately Corex at 5%).

COREX & FINEX - NEW DEVELOPMENTS IN UTILIZATION

making process. New iron making processes have been extensively explored with a view to saving resources and energy, as well as reducing environmental pollution. The present scenario of iron and steel sector is very much challenging. Consolidation of the iron and steel branches manifested itself in a significant increase of mergers and takeovers.

Corex Process in Iron Making - SlideShare

Corex Process in Iron Making

Industry.Guru: Iron making processes

Compared with the traditional iron making process via the blast furnace route, the COREX process differs since non coking coal can be directly used for ore reduction and melting work, eliminating the need for coking plants. The use of lump ore or pellets also dispenses with the need for sinter plants.

COREX IRON MAKING PROCESS PDF - PDF Lake Side

Apr 21, 2020 · A brief technical review about what is COREX process of iron making, some merits and demerits of COREX technology. The second stage of the process consists of melting and cogex of hot DRI by the coal and oxygen which is added in the meter-gasifier. After the success of the smelting reduction technology was achieved through operation of C module ...

The FINEX Process :: Total Materia Article

The Finex process is an innovative ironmaking process which has been developed by Siemens VAI and Posco. A schematic of the process is shown below: Figure 1: The FINEX process. Molten Iron is produced directly using iron ore fines and non-coking coal rather than processing through a sinter plant and coke ovens as traditional blast furnace route.

COREX IRON MAKING PROCESS PDF - hificom.net

Dec 16, 2020 · Corex Process for Production of Iron | Corex process distinguishes itself from the blast furnace route by i direct use of non-coking coal as reducing agent and energy source, ii Iron ore can be directly and feasibly charged to the process in form of lump ore, and pellets, and iii use of pure oxygen instead of nitrogen rich hot blast.

conveyor process in iron smelting process

Corex Process in Iron Making - SlideShare Dec 02, 2009· The COREX process offers high smelting intensity and hence higher productivity, ability to use various types of non-coking coals, use of iron ore fines to an extent, low net operating cost, possible generation of power or other alternative use of export gas generated from the ironmaking ...

COREX IRON MAKING PROCESS PDF - heshofo

Sep 24, 2021 · Corex process distinguishes procsss from the blast furnace route by i direct use of non-coking coal as reducing agent and energy source, ii Iron ore can be directly and feasibly charged to the process in form of lump ore, and pellets, and iii

Operating Line Prediction of COREX Iron-making Process ...

Operating Line Prediction of COREX Iron-making Process Using RIST Diagram C SRISHILAN,1) Anand VIVEK2) and Ajay Kumar SHUKLA1)* 1) Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai, 600036 India. 2) Department of Metallurgical & Materials Engineering, Jadavpur University Kolkata, 700032 India.

COREX IRON MAKING PROCESS PDF - Boden Seeland

Sep 07, 2019 · By fulfilling more stringent ecological regulations by law, utilization of low-cost, highly available low grade raw materials including fines, the COREX process has been accepted as a commercially proven technology for present and future iron making process. Today Corex technology is an acknowledged process for producing liquid hot metal in a ...

COREX IRON MAKING PROCESS PDF

Jun 08, 2021 · Corex Process for Production of Iron. During the late twentieth century, several new initiatives have been taken for the development of the. COREX PROCESS in IRONMAKING Report Submitted by: Aditya Kumar Singh ( ), Bachelor in Technology, Metallurgy & Materials.

(PDF) Optimisation of COREX process

The Corex process is a two-stage smelting reduction process, in which hot metal can be produced from non-coking coal and iron ores. Iscor's Corex plant has a yearly capacity of 300 000 t.

Comparison of CO2 emission between COREX and blast furnace ...

Jan 01, 2009 · Blast furnace (BF) is the classic iron-making process that extracts metallic iron from iron ore by carbon, while COREX is the only commercialized smelting reduction process. In 2007, the world steel output is about 1.344x109 ton where 4.81 x 108 ton of scrap and 9.48 x 108 ton of hot metal were consumed by BF, and the others were consumed the ...

(PDF) Minimization of Exergy Losses in the COREX Process

The COREX process is being projected as an alternative for blast furnace iron making. The coal consumption of the COREX process is large with a net fuel rate of~1000kg/tone of hot metal (THM).

Environment-friendly COREX®, FINEX® and MIDREX®

May 20, 2008 · (a) COREX® technology – It is an industrially and commercially proven direct smelting reduction process that allows for cost-efficient and environmentally compatible production of hot metal directly from iron ore and non-coking coal. This is the only alternative to the conventional blast furnace route consisting of sinter plant, coke oven ...

Degradation behaviour of weathered coal during handling ...

Apr 29, 2005 · VOSET-ALPINE Industrieanlagenbau (VAI) developed the COREX process. The research and development activities of the COREX process of iron making began in 1977 with extensive testing in a semi-industrial pilot plant in Germany. Depending on the production requirements, COREX plants are currently available in three module sizes as follows:

HIsmelt Process of Ironmaking – IspatGuru

Jul 02, 2013 · The process has been developed to treat iron ore fines with minimum of pre-treatment, making the process more flexible in terms of the quality of iron ore it can treat. The process allows the use of non coking coal and iron ore fines with significant impurities. The main product of the process is liquid iron or hot metal which can be used in ...

Sushma Shah - Supply Chain ML - A.P. Moller - Maersk ...

2) Corex process is new generation smelt-reduction process for iron making. It is one of the commercially and technologically proven alternate routes of Iron making which is developed by Voest Alpine Industrianlagenbau (VAI), Austria.

WO1994008055A1 - Iron making process using petroleum coke ...

The invention provides a method for both disposing of an environmentally undesirable material comprising petroleum coke and the sulfur and heavy metals contained therein and of providing fuel for a process of making molten iron or steel preproducts and reduction gas in a melter gasifier having an upper fuel charging end, a reduction gas discharging end, a lower molten metal and slag collection ...

Sreedhar Raju Bheemaraju - Head-Projects - Zain Coke ...

“Mr. Sreedhar Raju has vast experience in process metallurgy especially, in commissioning and technology of Corex Iron making. His expertise also spans from commissioning of NR coke oven battery and sinter plant. His sound domain knowledge helped JSW Steel in better understanding of Corex iron making process.

Pierre Steyn - Iron Making CO2 projects - ArcelorMittal ...

ArcelorMittal South Africa. avr. 2014 - janv. 20205 ans 10 mois. Saldanha Area, South Africa. Experienced in modern Iron and Steel Making technology. Corex Blast Furnace, Midrex DR plant, Conarc Steel shop and Inline Strip Process. World Class Manufacturing (WCM) and the rollout of the Focused Improvement (FI) pillar at Iron Making.

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