corex process for pig iron

  • Ironmaking Alternatives Screening

    Ironmaking Alternatives Screening

    PIG IRON OTHER 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

    Get Price
  • Metal productionVestlandsforsking

    Metal productionVestlandsforsking

    from the pig iron. Coke gives the gangue materials the necessary permeability. Coal is combusted during the blast furnace process. COREX is another process by which pig iron is produced. The process uses a shaft with high pressure oxygen in a smelter gasifier. A gasifier is a chemical gas oven. The COREX-process does not use coke but coal

    Get Price
  • Production of Pig Iron by Using the Romelt Process

    Production of Pig Iron by Using the Romelt Process

    Production of Pig Iron by Using the Romelt Process . In the iron and steel industry in the world there are currently two types of factories that produce ferrous metals. There are so-called integrated plants which start from the extraction of iron ore from the mine to the final rolled products.

    Get Price
  • COREX  FINEXNEW DEVELOPMENTS IN UTILIZATION OF

    COREX FINEXNEW DEVELOPMENTS IN UTILIZATION OF

    manufacture of pig iron using the COREX and FINEX processes. In contrast to a blast furnace COREX FINEX requires neither coke nor sinter to produce pig iron from ironore. Neither process involves a coking or sinter plant. This means that capital investment and production costs are both lower than with classic blast furnaces and fewer

    Get Price
  • Steel and metal productionSAACKE Boiler and Process

    Steel and metal productionSAACKE Boiler and Process

    Furnace gas is created during the production of pig iron in the blast furnace process or as it is known in the corex process "corex gas". These lean gases can be used in conventional three-pass boilers and on larger water-tube boilers with multiple burners.

    Get Price
  • Direct ReductionSEAISI

    Direct ReductionSEAISI

    The ITmk3 process is similar to FASMELT except that there is no melting process and therefore the product will be in the form of pig iron nugget. An ITmk3 plant can be placed either at the iron mine site or near steel-making facilities. The iron nugget is an excellent raw ma-terial for EAF or BOF steel-making. ELECTRIC ARC FURNACE—

    File Size 430KBGet Price
  • Smelt reduction for iron and steel sector Climate

    Smelt reduction for iron and steel sector Climate

    The iron and steel sector is the second-largest industrial user of energy consuming 616 Mtoe in 2007 and is also the largest industrial source of CO2 emissions. The five most important producersChina Japan the United States the European Union and Russiaaccount for over 70 of total world steel production. Smelting reduction is a term assigned to a group of upcoming ironmaking

    Get Price
  • STATE OF THE DIRECT REDUCTION AND REDUCTION

    STATE OF THE DIRECT REDUCTION AND REDUCTION

    State of direct reduction and reduction smelting processes J. Min. Met. 38 (3 ‡ 4) B (2002) 127Providing grounds for the construction of smaller mills with lowest possible investment and production cost.Securing proper environmental protection. Thus for instance the COREX process which is used for commercial purposes

    Get Price
  • corex process in iron makingvanoers-design

    corex process in iron makingvanoers-design

    corex process for pig ironbondhumahalin. The COREX®-process is the first commercially operating smelting reduction process for the production of pig iron For this reason it can be seen as an alternative to the common industrial iron-making route via the blast furnace Chat Online

    Get Price
  • COREX(r)Engineering DictionaryEngNet

    COREX(r)Engineering DictionaryEngNet

    COREX(r) COREX is a coal-based smelting process that yields hot metal or pig iron. The output can be used by integrated mills or EAF mills. HOWThe process gasifies non-coking coal in a smelting reactor which also produces liquid iron.

    Get Price
  • COREX(r)Engineering DictionaryEngNet

    COREX(r)Engineering DictionaryEngNet

    COREX(r) COREX is a coal-based smelting process that yields hot metal or pig iron. The output can be used by integrated mills or EAF mills. HOWThe process gasifies non-coking coal in a smelting reactor which also produces liquid iron.

    Get Price
  • OVERVIEW OF ITMK3 PROCESS

    OVERVIEW OF ITMK3 PROCESS

    reduction of iron ore fines with non coking coals. It eliminates sinter/pellets plant and coke oven battery. The process produces high-grade iron nuggets with better meltability than pig iron during the steel making stage. The iron nuggets are slag free and are also free from re oxidation. It does not generate fines and is easy to transport.

    Get Price
  • Ironmaking 101From Ore to Iron with Smelting and Direct

    Ironmaking 101From Ore to Iron with Smelting and Direct

    Oct 17 2017 · In the smelting reduction process pelletized iron oxide ore or fine ore powders are pre-reduced in a fluidized bed or reduction shaft. The reduced iron along with coal and lime is fed to a gasifier-melter which completes the reduction process and produces pig iron or hot metal of the same quality as a blast furnace.

    Get Price
  • Corex Process For Pig Iron

    Corex Process For Pig Iron

    Optimum Process Conditions for the Production of Pig Iron . COREX process for pig iron production is a commercially proven process and is currently considered as the main competent to blast furnace for pig iron production. Get Price And Support Online Tuyere failure analysis in Corex processTaylor .

    Get Price
  • PAPER OPEN ACCESS Related content Types of greenhouse

    PAPER OPEN ACCESS Related content Types of greenhouse

    In addition to blast furnace (BF) process in iron and steel production Corex Romelt Midrex Hyl-3 processes are used currently. Pig iron or sponge iron with scrap iron addition are loaded into electric arc furnaces (EAF) for steelmaking 1-4 . There is a problem of comparative assessment of carbon dioxide through emission (carbon

    Get Price
  • Corex ProcessWikipedia

    Corex ProcessWikipedia

    In a single-stage system the iron ore is both reduced and melted in the same container. Meanwhile in a two-stage process like Corex the ore is reduced in one shaft and melted and purified in another. Plants using the Corex process have been put use in areas such as South Africa India and China.

    Get Price
  • Timeline of Ferrous Metallurgy DevelopmentFerrous

    Timeline of Ferrous Metallurgy DevelopmentFerrous

    The usual open that is the usual usually called the open hearth process This process used pig iron ore and scrap. It became known as the Siemens-Martin process. The process allowed closer control over the composition of the steel also a substantial quantity of scrap could be included in the charge. The COREX process consists of 2 main

    Get Price
  • Numerical Modelling of the Moving Bed Inside the COREX

    Numerical Modelling of the Moving Bed Inside the COREX

    Sep 19 2013 · The COREX®-process is the first commercially operating smelting reduction process for the production of pig iron. For this reason it can be seen as an alternative to the common industrial iron-making route via the blast furnace. For both the COREX® melter-gasifier (MG) and the blast furnace good gas-solid contact is essential for the stable and efficient operation of the process. Due to

    Get Price
  • Metal productionVestlandsforsking

    Metal productionVestlandsforsking

    from the pig iron. Coke gives the gangue materials the necessary permeability. Coal is combusted during the blast furnace process. COREX is another process by which pig iron is produced. The process uses a shaft with high pressure oxygen in a smelter gasifier. A gasifier is a chemical gas oven. The COREX-process does not use coke but coal

    Get Price
  • WO2012175313A1Device for the closed-loop control of

    WO2012175313A1Device for the closed-loop control of

    The invention relates to a device for close-loop control of process gases (11) in a plant for producing directly reduced metal ores (8). This plant (8) comprises at least one reduction unit (10) (e.g. a fluidized-bed reactor system fixed-bed reduction shaft etc.) an appliance connected upstream of the reduction unit (10) for separating gas mixtures (18) having an assigned compressor

    Get Price
  • Steel and metal productionSAACKE Boiler and Process

    Steel and metal productionSAACKE Boiler and Process

    Furnace gas is created during the production of pig iron in the blast furnace process or as it is known in the corex process "corex gas". These lean gases can be used in conventional three-pass boilers and on larger water-tube boilers with multiple burners.

    Get Price
  • Cleaner Iron Production with Corex Process

    Cleaner Iron Production with Corex Process

    Corex is a smelting reduction process Coal gasification iron ore reduction and liquefaction of the resulting iron are combined in one process. The gases produced can immediately be used for heating or for generating electricity in a gas and steam turbine power plant.

    Get Price
  • HIsmelt process of IronmakingIspatGuru

    HIsmelt process of IronmakingIspatGuru

    Jul 02 2013 · HIsmelt process of Ironmaking HIsmelt is short for high intensity smelting. It is a direct smelting process for making liquid iron straight from the iron ore. The process has been developed to treat iron ore fines with minimum pretreatment making the process more flexible in terms of the quality of iron ore it can treat.

    Get Price
  • Open Hearth Processan overview ScienceDirect Topics

    Open Hearth Processan overview ScienceDirect Topics

    Acid processes are used to refine pig-iron low in phosphorus and sulfur that are rich in silicon and therefore produce an acid slag. The furnace lining is constructed of an acid material so that it will prevent a reaction with the slag. A basic process is used to refine pig-iron

    Get Price
  • Energy Use and Carbon Emissions in the Steel Sector in Key

    Energy Use and Carbon Emissions in the Steel Sector in Key

    Industrieanlagenbau 1996). The COREX process uses agglomerated ore which is pre-reduced by gases coming from a hot bath. The pre-reduced iron is then melted in the bath. The process produces excess gas which is used for power generation DRI-production or as fuel gas. The COREX process is estimated to use 15 to 18 GJ/tonne steel net energy

    Get Price
  • corex process in iron makingvanoers-design

    corex process in iron makingvanoers-design

    corex process for pig ironbondhumahalin. The COREX®-process is the first commercially operating smelting reduction process for the production of pig iron For this reason it can be seen as an alternative to the common industrial iron-making route via the blast furnace Chat Online

    Get Price
  • Copyright

    Copyright

    Technical Advisor and the Pig Iron Sub-Committee chaired by Rodrigo Valladares CEO Process of reducing iron ore using a reducing agent such as coke charcoal etc. as well as by alternative iron making technologies such as Corex and ITmk3.

    Get Price
  • Direct ReductionSEAISI

    Direct ReductionSEAISI

    The ITmk3 process is similar to FASMELT except that there is no melting process and therefore the product will be in the form of pig iron nugget. An ITmk3 plant can be placed either at the iron mine site or near steel-making facilities. The iron nugget is an excellent raw ma-terial for EAF or BOF steel-making. ELECTRIC ARC FURNACE—

    Get Price
  • The HIsmelt Iron-Making ProcessAZoM

    The HIsmelt Iron-Making ProcessAZoM

    Dec 12 2002 · The HIsmelt Iron-Making Process. Rio Tinto has for many years been a trusted supplier to the world s iron and steel industry particularly in South East Asia where its Australian mines offer cost-effective raw material.

    Get Price
  • New Ironmaking Processes Relevance to India

    New Ironmaking Processes Relevance to India

    Experience of COREX at JSW suggest that still 15 coke is required in the process to control VM of the input reductant. Same may be the case for FINEX process. Use of pellet atleast partially is a must for COREX process . For FINEX HISMELT process iron ore fines can be directly used.

    Get Price
  • 2-0 Process DevelopmentIronmakingAmerican Iron and

    2-0 Process DevelopmentIronmakingAmerican Iron and

    furnace iron. The COREX process does use coal directly but is still capital‐intensive requiring pellets or lump ore and some coke and producing excess energy (off‐gas) that must be used for the process to be economical. The FINEX variant of COREX (developed by POSCO) uses fine ore instead.

    Get Price
  • PRIVATE SECTOR Introduction

    PRIVATE SECTOR Introduction

    hot rolled coils capacity integrated steel plant based on Corex Process of oxygen iron making. The production facilities include 1.5 mtpa iron ore Beneficiation unit 3 mtpa Pellet Plant two Corex units 0.8 mtpa each 2 x 130 t convertors two slab casters and hot strip mill with state of art coil box technology. JVSL has a distinction

    Get Price
  • OPTIMUM PROCESS CONDITIONS FOR THE PRODUCTION

    OPTIMUM PROCESS CONDITIONS FOR THE PRODUCTION

    SCANMET IV4th International Conference on Process Development in Iron and Steelmaking 10-13 June 2012 Luleå Sweden OPTIMUM PROCESS CONDITIONS FOR THE PRODUCTION OF PIG IRON BY COREX PROCESS

    Get Price
  • Pig ironblast furnace route International Iron

    Pig ironblast furnace route International Iron

    For general information about merchant pig iron please visit the pig iron page. Modern blast furnaces produce more than 10 000 tonnes per day. Blast Furnace Process. The blast furnace is a counter-current gas/solids reactor in which the descending column of burden materials coke iron ore and fluxes/additives reacts with the ascending hot gases.

    Get Price
  • Corex Process in Iron MakingSlideShare

    Corex Process in Iron MakingSlideShare

    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 unit besides being eco-friendly.

    Get Price
  • Sponge Ironan overview ScienceDirect Topics

    Sponge Ironan overview ScienceDirect Topics

    Pig iron production used akome iron sand (with high titanium content as 5 or more of TiO 2) which was added after the charcoal charge 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

    Get Price