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About HBI Product Specifications its uses Direct Reduced

Jindal Shadeed Iron Steel is the First Midrex plant to have a direct gravity of HDRI to Electric arc furnace Hot DRI is tapped at 700*c from the shaft furnace to storage bin and to the electric arc furnace at 650*c Major advantage of Using HDRI is reduction in power consumption Get price

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Production Process

Production Process of GPH TMT 500W Rebar This begins the process of gradual size reduction of billets Following roughing mill the size is further reduced in Intermediate and Finishing Mill This gradual reduction is an important factor to ensure finer grain structure of the bar The rolling continues till the required size is achieved Get price

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Coal Base DRI Operation Process Description and flow

Aug 07 2016Process Description and flow diagram of Coal Based DRI Plant 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 Get price

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Direct Reduced Iron (DRI)

Direct-reduced iron (DRI) also called sponge iron is produced from direct reduction of iron ore (in the form of lumps pellets or fines) by a reducing gas produced from natural gas or coal The reducing gas is a mixture majority of hydrogen (H2) and carbon monoxide (CO) which acts as reducing agent Get price

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IRON AND STEEL

2 Generalized Process Flow Diagram A general flow diagram for the production of raw steel from iron ore is presented in Exhibit 2 In general the process involves (1) beneficiation of the iron ore (2) either direct-reduction or reduction in an iron blast furnace (3) processing in Get price

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DIRECT REDUCED IRON ( DRI)

Dec 20 2014Direct reduced iron i e DRI is basically technically expressed as iron -ore and these ore of iron which has been reduced to metal without melting it Hot briquetted iron (HBI) is a densified form of DRI to facilitate its handling and transport Get price

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How iron is made

As the volume of the charge is reduced more is continually added at the top of the furnace The iron and slag are drawn off separately from the bottom of the furnace The melted iron might go to a further alloying process or might be cast into ingots called pigs The slag is carried away for disposal Get price

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Direct Reduced Iron (DRI) Production Plant

Direct Reduced Iron (DRI) Production Plant NIPPON STEEL SUMIKIN ENGINEERING CO LTD Basic Concept or Summary S-16 A direct reduced iron (DRI) production plant is a shaft reduction furnace to produce DRI with large metal iron content by directly reducing iron ore (or iron ore pellets) with reducing gases Get price

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Modelling a new low CO2 emissions hydrogen steelmaking

20% of world production respectively) hematite iron ore is reduced by a gas mixture (syngas) obtained by reforming of natural gas (CH 4) and mainly composed of CO and H 2 Using pure H 2 as a reducing agent only water vapour is released to the atmosphere and CO 2 from CO reduction is avoided as it can be noted from theGet price

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mining technology Iron Ore Operations Flowchart

Iron Ore Processing for the Blast Furnace TATA STEEL PLANS TO RESTRUCTURE CORUS'EUROPE OPERA DEVELOPMENT OF HEMATITE BENEFICIATION AND PELLET T Iron Ore Operations Flowchart New gasification method to produce Direct Reduced DRI SEMI-AUTO DRAFT The process flow of DRI Direct reduced iron beneficiation of IRON ORE Steel making drawingGet price

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1A Manufacturing Process for Iron and Steel

In addition to the BF-BOF process there is another process which utilizes mainly scrap as an iron source with some direct reduced iron whenever necessary The direct reduced iron is produced by reducing iron ore with reformed natural gas whose principal components are Get price

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GASIFICATION AND THE MIDREX? DIRECT REDUCTION

DIRECT REDUCTION PROCESS By Rob Cheeley – Senior Sales Engineer Midrex Direct Reduction Corporation INTRODUCTION The production of direct reduced iron (DRI) a basic raw material for making steel is concentrated in a few countries in the Middle East and Latin America One primary reason is that natural gas the main fuel source for most DRIGet price

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mining technology Direct reduced iron

Direct-reduced iron (DRI) also called sponge iron [1] is produced from direct reduction of iron ore (in the form of lumps pellets or fines) by a reducing gas produced from natural gas or coal The reducing gas is a mixture majority of Hydrogen (H2) and Carbon Monoxide (CO) which acts as reducing agent Get price

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3

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 transported via feed legs into the melter gasifier The gas containing mainly of CO and H2 which is producedGet price

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DIRECT REDUCTION PROCESS AND SHAFT FURNACE UTILIZING

May 03 2018There are a number of conventional processes for producing direct reduced iron (DRI) from iron ore including the Midrex Process (Midrex) the HYL Process (HYL) and the PERED Process (MME) As with all of these conventional processes the PERED Process converts iron oxide pellets or lumps to metallic iron by exposure to reducing gas at relatively low temperatures within a Get price

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Direct Reduced Iron (DRI) in the CIS and China Production

Dec 08 2016Direct Reduced Iron (DRI) in the CIS and China Production Market and Forecast In addition the characteristics of the technology of production of the recovered iron by liquid-phase reduction processes and hybrid process The third Chapter is devoted to analysis of production of DRI in the world in basic technological processes and countries in 2007-2015 the main regions and countries for the Get price

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Direct Reduced Iron (DRI)

Use of Direct Reduced Iron (DRI) in the Electric Arc Furnace (EAF) for Steelmaking Shipping and handling of DRI Being a highly reduced material DRI has a tendency to re-oxidise an exothermic reaction Thus without appropriate precautions being taken in its handling transport and storage there is a risk of self-heating and fires Get price

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US20110247457A1

The present invention relates to a process for the direct reduction of iron ore performed by means of a plant comprising a gravitational furnace ( 2 ) having at least one iron ore reduction zone ( 8 ) in the upper part thereof and at least one carbon deposition zone ( 9 ) and one reduced metal product cooling zone ( 10 ) in the lower part thereof and means for feeding a reducing gas mixture into the reactor in Get price

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Direct

Direct reduction (DR) is defined as any process in which metallic iron is produced by the reduction of iron ore at temperatures below the iron melting point The product of a DR process is called direct reduced iron (DRI) The major consumers of DRI are the smaller steel mills which use DRI to dilute the residual elements present in the steel scrap Get price

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Direct Reduced Iron (DRI)

Chapter 11 Direct Reduced Iron (DRI) The world market for steel is expected to continue to increase The volume of steel produced by the now old-fashioned blast furnace process is already very low and will continue to decline relative to the volume of steel produced by the electric arc process for which DRI is the raw material Get price

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QA/QC and Process Optimization for Direct Reduced Iron

Introduction Direct Reduced Iron (DRI) is a method of purifying iron ores at lower temperatures with lower energy needs and smaller scale plants The DRI process uses natural gas to reduce iron ore to produce a "sponge iron" product with iron concentrations (90 – 94%) similar to that of pig iron Get price

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Iron and Steelmaking

Reduction of iron oxides by carbon 37 reduction of magnetite and wstite see Figure below Indirect reduction is carried out at temperatures to about 800 C in the range of 800 to 1100 C both types of reduction take place and above the temperature of 1100 C only direct reduction occurs Get price

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Direct

Direct reduction (DR) is defined as any process in which metallic iron is produced by the reduction of iron ore at temperatures below the iron melting point The product of a DR process is called direct reduced iron (DRI) The major consumers of DRI are the smaller steel mills which use DRI to dilute the residual elements present in the steel scrap Get price

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Iron processing

The primary objective of iron making is to release iron from chemical combination with oxygen and since the blast furnace is much the most efficient process it receives the most attention here Alternative methods known as direct reduction are used in over a score of countries but less than 5 Get price

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ULCORED Process

ULCORED is a direct reduction (DR) process which produces DRI (direct reduced iron) in a shaft furnace either from natural gas (NG) or from reducing gas obtained by gasification of coal The process was designed mainly in 2006 by a team led by LKAB Voest-alpine and MEFOS Get price

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Direct Reduced Iron and its Production Processes – IspatGuru

The shaft furnace works on counter current principle where the iron ore feed material moves downward in the furnace by gravity and gets reduced by the up flowing reducing gases The pressure and temperature in shaft furnace in HYL process is 5-6 bars and 800-850 deg C Get price

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SL/RN process

As an answer to decreasing ore grades availability of lump ore and ever-increasing amount of fine ores and concentrates Outotec has developed a variant of the process the SL/RN-Xtra direct reduction process which allows customers to produce direct reduced iron (DRI) for steelmaking directly from concentrates in a single plant combining pelletizing and direct reduction Get price

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The HBI direct reduction process

Nov 03 2016The direct reduction process This is called the direct reduction process and is an environmentally-friendly production process a DRI plant uses natural gas which is more environmentally sound than coke The reduction process takes place in the reduction tower The tower is the heart of the plant and is 137 m (450 feet) tall Get price

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Direct

NIPPON STEEL ENGINEERING CO LTD provides new iron source technology that enables the achievement of productivity improvements operational cost reductions CO 2 emissions reductions and capital investment reductions through the optimal combination of Tenova HYL and Danieli's natural gas-based direct-reduced iron technology (ENERGIRON) with our blast furnace equipment technology Get price

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Coal Base DRI Operation Process Description and flow

Aug 07 2016Most 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 Raw material mix-iron ore dolomite and coal are fed to one end of rotary Kiln as well as some fine coal also fed from discharge end and product sponge iron along with char is taken out from the other end Get price

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The HBI direct reduction process

Nov 03 2016The direct reduction process This is called the direct reduction process and is an environmentally-friendly production process a DRI plant uses natural gas which is more environmentally sound than coke The reduction process takes place in the reduction tower The tower is the heart of the plant and is 137 m (450 feet) tall Get price

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Direct Reduction

DRI Products Versatile Ore-based Metallics CDRI Cold Direct Reduced Iron HDRI Hot Direct Reduced Iron charged directly into a melter without cooling HBI Hot Briquetted Iron is direct reduced iron discharged from the shaft furnace at ≥650C and compacted to a density ≥ 5 gm/ccGet price

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US4556417A

Both objects are preferably achieved by means of injecting only natural gas or a similar methane-containing gas into the cooling loop of the direct reduction process and venting a portion of the cooling gas from the cooling zone to the reducing zone (preferably on the order of 1% to 2% of the methane content of the cooling gas in relation to the volume flow of the reducing gas) Get price

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Process for production of direct reduced iron

Apr 29 2014The present invention relates to a process for the direct reduction of iron ore performed by means of a plant comprising a gravitational furnace (2) having at least one iron ore reduction zone (8) in the upper part thereof and at least one carbon deposition zone (9) and one reduced metal product cooling zone (10) in the lower part thereof and Get price

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