corex process ppt

04 ARM Architecture Overview

Dec 02 2009· Corex Process in Iron Making Schematic diagram of a COREX plant Reduction Shaft Iron ore pellets and additives limestone and dolomite are continuously charged into the reduction shaft via lock hopper system located on the top of the shaft PowerPoint Using Photos and Video Effectively for Great Presentations Online Course

Operating experiences with Corex and blast furnace at JSW ...

1 x COREX® C-2000 Module = FINEX® Demonstration Plant • Start-up of COREX ® in 1995 • The COREX ® export gas was utilized for power generation. • In parallel agreement for the joint development of the FINEX ® process POSCO. • Conversion to the FINEX ® Demonstration Plant in 2003 • In July 2014 the operation was stopped and ...

Comparing the CO2 Emissions of Different Ironmaking Routes

2 Confidential 3 ARM Architecture profiles §Application profile (ARMv7 -A àe.g. Cortex -A8) §Memory management support (MMU) §Highest performance at low power §Influenced by multi-tasking OS system requirements §TrustZone and Jazelle-RCT for a safe, extensible system §Real-time profile (ARMv7 -R àe.g. Cortex -R4) §Protected memory (MPU) §Low latency and predictability 'real-time ...

COREX - Economic and Environmental friendly Iron Production

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1 x COREX® C-2000 Module = FINEX® Demonstration Plant • Start-up of COREX ® in 1995 • The COREX ® export gas was utilized for power generation. • In parallel agreement for the joint development of the FINEX ® process POSCO. • Conversion to the FINEX ® Demonstration Plant in 2003 • In July 2014 the operation was stopped and ...

Sponge Iron - an overview | ScienceDirect Topics

Fig. 1 Process flowchart for DIOS pilot plant (per 1,000kg of molten iron) Coal 952kg Flux 80kg Iron ore 1450kg Pre-heating furnace RD 8.7% RD 8.6% 600 OC 2,326Nm3 2,789Mcal (11.7GJ) Venturi scrubber Pressure control valve Off-gas Smelting reduction furnace 1.9kg/cm2 — G (290kPa) N2 70Nm3 Tapping device RD 27.0% 779 OC O2 608Nm3 RD 27.1% OD ...

Non-blast Furnace Iron Making Technology :: Total Materia ...

A new cementitious material has recently become available in South Africa. This product is a ground slag produced by the Corex process at the Saldanha steel plant in the Western Cape.

BYProduct Gas Optimization.ppt

power, the COREX® ®and FINEX Process offer significant potential for achieving low greenhouse gas emission figures. • Although the direct reduction + EAF routes benefit most from low emission values, they are only economically feasible if sufficient amounts of low …

PowerPoint Presentation

Introduction. COREX is a new ironmaking process that has successfully been realized during production by using lump coal instead of coke to extract hot metal from iron ore [1, 2].Industrial applications have proved that the lump coal quality has a significant impact on stable operation and energy consumption.

JSW - Corex-Green Technology to produce hot metal

JSW Steel is the first Indian Company to use the Corex technology to produce hot metal. We went for this technology although it was untested in Indian conditions due to its benefits to the environment. 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.

ppt for iron reduction plant - kaskadove-kotelny.cz

-gas produced by the COREX Process. Until two months ago, the only commercial process to do so. Syn-gas from commercial . ... The MIDREX Process consistently performs as the standard of the industry and WE, MTI have seen nothing to indicate it is not still THE State of the ART! ... PowerPoint Presentation

04 ARM Architecture Overview

power, the COREX® ®and FINEX Process offer significant potential for achieving low greenhouse gas emission figures. • Although the direct reduction + EAF routes benefit most from low emission values, they are only economically feasible if sufficient amounts of low …

COREX - Economic and Environmental friendly Iron Production

Oct 13, 2020· The Corex process has been developed as an alternative to the blast furnace where 80–85% non-coking coal and 15–20% coke is used as fuel for …

Alternative emerging ironmaking technologies for energy ...

1 x COREX® C-2000 Module = FINEX® Demonstration Plant • Start-up of COREX ® in 1995 • The COREX ® export gas was utilized for power generation. • In parallel agreement for the joint development of the FINEX ® process POSCO. • Conversion to the FINEX ® Demonstration Plant in 2003 • In July 2014 the operation was stopped and ...

3A3. Direct Iron Ore Smelting Reduction Process (DIOS)

May 01, 2014· This process is called post-combustion and leads to a tradeoff in the utilization of the gas between increased pre-reduction potential or increased heat delivery for smelting . Commercial smelting reduction is still dominated by first-generation processes, notably the COREX process developed in Germany and Austria . 2.5.

Alternative Iron making processess - SlideShare

South Africa, which uses the COREX Process to generate a synthesis gas, will be discussed in the third section of this paper. Another COREX / MIDREX combination is under construction in South Korea. A simple schematic of the MIDREX Process is shown in Figure 1. FIGURE 1 Heat RecoveryHeat Recovery ReformerReformer Shaft Furnace

JSW Steel Ltd - Green Business Centre

The COREX process is a two-stage process, as is shown in Figure 1.1.40.In the first step, iron ore is reduced to sponge iron in a shaft furnace by means of reducing gas. In the second step, the reduced iron is melted in the melter–gasifier vessel.

FINEX Technology | Coal | Natural Gas

Replacing HP and high CV corex gas by LP and low CV BF gas for ore drying furnace of pellet plant. 2009-10 VP(EMD),Sr.Manager (EMD),Manager(EMD), Asst.Managers(EMD), Technicians Project has been completed 3 Utilizing mixed gas in corex gas network by regulating Corex gas pressure in case of one corex gas unit is under shutdown. 2009-10

COREX & FINEX - NEW DEVELOPMENTS IN UTILIZATION …

PROCESS CHEMISTRY: Corex is a two reactor but three-stage process. The blast furnace concept has been used, virtually splitting it into two at the cohesive zone interface. Accordingly a Corex plant has shaft unit, where iron ore pellets (with or …

Tata Steel SWOT Analysis | Top Tata Steel Competitors, STP ...

COREX (contd..) – Unless the net export gas from the plant can be utilised very economically (1650 Nm3/thm; calorific value 1800 Kcal/Nm3)- the process becomes unviable. – For this reason probably Baosteel has opted for a combined cycle power plant along with the COREX unit. – As in the case in BFs, over 90% of the phosphorous goes to the ...

MIDREX Processes - KOBELCO

Corex Process Ppt As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including …

Alternative Iron making processess - SlideShare

PROCESS CHEMISTRY: Corex is a two reactor but three-stage process. The blast furnace concept has been used, virtually splitting it into two at the cohesive zone interface. Accordingly a Corex plant has shaft unit, where iron ore pellets (with or without some closely sized lump ore) is reduced by gases emanating from the second unit to make hot ...

THE FINEX® PROCESS ECONOMICAL AND …

MIDREX process accounts for about 60% of global production. Fig. 2 shows the worldwide locations of MIDREX plants. 2. MIDREX process Fig. 3 is a flow chart for the MIDREX process. Either lump ore, or pellets prepared for direct reduction ironmaking, are charged as raw material from the top of a shaft furnace. The ore is reduced

Corex Process in Iron Making - SlideShare

3.1. COREX Process COREX consists of two reactors, the reduction shaft and the melter-gasifier. The reduction shaft is placed above the melter-gasifier and reduced iron bearing material descends by gravity. The volume of the reduction shaft and the melter-gasifier is …

Solvay Process | Sodium Carbonate | Industrial Processes

Apr 12, 2020· 1. Newer technologies- The Corex process, The Hismelt process, Direct iron ore smelting. 2. Public private partnership. 3. Acquisition of coal blocks in Asia, Africa etc. Tata Steel Threats The threats in the SWOT Analysis of Tata Steel are as mentioned: 1. Rising coking coal prices. 2. India is plagued with violent agitation against land ...

MIDREX Processes - KOBELCO

Jan 18, 2014· COREX PROCESS  Charge is charged into a reduction shaft where they are reduced to direct reduced iron (DRI) by a reduction gas moving in counter flow.  Discharge screws convey the DRI from the reduction shaft into the melter …

COREX - Economic and Environmental friendly Iron Production

Total Coal Reserves 209 Bt Others 6% Semi-coking 11% HVC 3.0% 15% MVC 14.0% 83.0% 50% LVC Coking Non- coking 19% Prime coking COAL SCENARIO IN INDIA COREX 2000. Availability of Coal for COREX process COREX 2000. Deposits of iron ore/ Coal COREX 2000. Judicious beneficiation of available coal is a necessity COREX 2000

Factors Influencing Gas Generation Behaviours of Lump Coal ...

Corex® Process characteristics Oxygen Hot metal Slag Non-coking coal Export gas Lump ore / Pellets Additives • Single process without the need of coking or sinter plant • Direct use of non-coking coal and low quality nut coke as reducing agent • Direct use of run of mine lump ore and pellets • High dome temperature (>1000 °C)

An ideal concept for economic and environmental friendly ...

MIDREX process accounts for about 60% of global production. Fig. 2 shows the worldwide locations of MIDREX plants. 2. MIDREX process Fig. 3 is a flow chart for the MIDREX process. Either lump ore, or pellets prepared for direct reduction ironmaking, are charged as raw material from the top of a shaft furnace. The ore is reduced

ppt for iron reduction plant - kaskadove-kotelny.cz

The FINEX® Process is jointly developed by POSCO, Korea and Primetals Technologies, Austria. Besides COREX®, FINEX® is the only commercial proven alternative iron making process to the blast furnace (BF) route, consisting of blast furnace, sinter plant and coke oven, generating hot metal. FINEX® is based on the direct use of

Corex Process in Iron Making - SlideShare

2 Confidential 3 ARM Architecture profiles §Application profile (ARMv7 -A àe.g. Cortex -A8) §Memory management support (MMU) §Highest performance at low power §Influenced by multi-tasking OS system requirements §TrustZone and Jazelle-RCT for a safe, extensible system §Real-time profile (ARMv7 -R àe.g. Cortex -R4) §Protected memory (MPU) §Low latency and predictability 'real-time ...

Resources Trend and Use of Direct Reduced Iron in ...

Jan 18, 2014· COREX PROCESS Charge is charged into a reduction shaft where they are reduced to direct reduced iron (DRI) by a reduction gas moving in counter flow. Discharge screws convey the DRI from the reduction shaft into the melter –gasifier. In Melter-gasifier final reduction and melting takes place. Hot metal and slag tapping are done as in ...

Corex Process in Iron Making - SlideShare

The process variants differ in the number of reactors, operating temperature, the ore feed (pellet, lump ore or fines). The variant processes that are relatively well developed are: COREX, DIOS, HIsmelt, CCF, Romelt and HIsarna. The most promising direct reduction processes in the worldwide include Hyl III, Midrex, Circored, Circofer, FASTMET ...

COREX & FINEX - NEW DEVELOPMENTS IN UTILIZATION …

as the off-gas from the COREX process and synthesis gas produced by a coal gasifier. In particular, a DR plant with a capacity of 1.8 million t/y is gathering attention. The order for this plant was placed by Jindal Steel & Power Limited, an Indian steel manufacturer, at the end of 2009. This plant

Corex slag - Properties and use of a new cementitious ...

Solvay Process - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. descriptions

Essay on Tata Steel SWOT & PESTLE Analysis | by Emma Zoe ...

Dec 02 2009· Corex Process in Iron Making Schematic diagram of a COREX plant Reduction Shaft Iron ore pellets and additives limestone and dolomite are continuously charged into the reduction shaft via lock hopper system located on the top of the shaft PowerPoint Using Photos and Video Effectively for Great Presentations Online Course

PPT - COALS FOR COREX PROCESS PowerPoint Presentation ...

Mar 16, 2013· It can use natural gas, a syngas from coal, coke oven gas, or exhaust gas from the Corex process as the reducing gas. The reduction reactions take place both with H2 and CO in a gas based DRI process. The reactions which take place with H2 are (i) 3Fe2O3 + H2 =2Fe3O4 + H2O, (ii) Fe3O4 + H2 = 3FeO + H2O, and (iii) FeO + H2 = Fe + H2O. The ...

PPT - COALS FOR COREX PROCESS PowerPoint Presentation ...

•1.5 – 2 % Corex Gas flaring Gas network consist of 2 gas mixing stations Byproduct gases supplied to Captive power plants and externalByproduct gases supplied to Captive power plants and external ... Microsoft PowerPoint - BYProduct Gas Optimization.ppt [Compatibility Mode]

Cortical Lesions of the Tibia: Characteristic Appearances ...

South Africa, which uses the COREX Process to generate a synthesis gas, will be discussed in the third section of this paper. Another COREX / MIDREX combination is under construction in South Korea. A simple schematic of the MIDREX Process is shown in Figure 1. FIGURE 1 Heat RecoveryHeat Recovery ReformerReformer Shaft Furnace

GASIFICATION AND THE MIDREX? DIRECT REDUCTION …

A new cementitious material has recently become available in South Africa. This product is a ground slag produced by the Corex process at the Saldanha steel plant in the Western Cape.