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Why magnetite ore not use in blast furnace? Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Why magnetite ore not use in blast furnace?, quarry, aggregate, and different kinds of minerals.


The blast furnace process is characterised by the variety and complexity of the phenomena of gas dynamics, charge transfer, heat transfer, recovery, softening, and other phenomena. Investigating these phenomena in a blast furnace in order to identify reserves of its efficiency—reducing coke consumption and increasing productivity—


In the blast furnace, iron ore is placed with coke and to this a blast of hot air forms a gas which is responsible for the reduction. You can use this to answer the given question. Complete Solution : > We know that a blast furnace is a huge furnace made up of steel which is lined with refractory material so that the high heat produced inside ...


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iron and steel - chemguide

This page looks at the use of the Blast Furnace in the extraction of iron from iron ore, and the conversion of the raw iron from the furnace into various kinds of steel. The common ores of iron are both iron oxides, and these can be …


the blast furnace/ basic oxygen furnace (BF/BOF) route that uses iron ore, coal/coke as the basic input mix. Essar Steel, Ispat Industries employ electric arc furnace with sponge iron, melting scrap or a mix of both as input.ESSAR has installed 1.73 MPTA capacity blast furnaces in December, 2010. JVSL uses COREX, a revolutionary technology using


basis for the taconite process. In this process, ore is first crushed and ground to the fineness of face powder, then separated by magnetic concentration, and finally pelletized by adding clay and firing to over 2,000F. The pelletizing is done to simplify handling and Improve gas flow in the blast furnace. The name "taconite" began as a misnomer.


magnetite (Fe3O4) by a carbothermic reaction (reduction with carbon) in a blast furnace at temperatures of about 2000 °C. In a blast furnace, iron ore, carbon in the form of coke, and a flux such as limestone (which is used to remove impurities in the ore which would otherwise clog the furnace with solid material)


Blast furnace vs direct-reduction ironmaking – horses for courses There are two main technologies for converting iron ore (iron oxide) into metallic iron: the blast furnace (BF), which is by far the most common, and the direct-reduction (DR) route, which accounts for just over 100 million tonnes per year (tpy), or around 8% of global primary iron


T RON ore reduction is the conversion of iron oxide minerals to metallic iron. The chemical reactions involved take place in the blast furnace during the production of hot metal or in the several proposed solid-state processes that pro-duce sponge iron. Because there are three oxides of iron, hematite, magnetite and wustite, and be-


BLAST FURNACE PRODUCTS AND THERE USE SIZE OF BLAST FURNACE Design of blast furnace is evolved through experience . Calculation of blast furnace size is empirical in nature. Hearth dia of possco b/f increases from 9.5-13.5 Hearth area increased from 1660 mtr sq -3800 mtr sq . Now there are nearly 700 blast furnace available in world.


the use of plasma torches in blast furnace ironmaking.....128 m. sukhram, n. patel, i. cameron, v. subramanyam, a. gorodetsky kÜttner's pulverized coal inject ion technology – latest ... a study of the gaseous reduction of magnetite ore in a fixed-bed reactor and


Combustion process. The iron in the processed ores must be dissolved out by chemical processes. This requires an element that binds oxygen more strongly than iron. This is exactly what carbon can do as a reducing agent.The carbon is fed to the blast furnace in the form of coke (pyrolyzed coal) from the coking plant.At sufficiently high temperatures, the carbon can …


The process of sinter making originated from a need to make use of fines generated in mines and in ore benefiCiation plants. With the development of sintering technology, a sintering plant has become a tremendous success for providing a phenomenal increase in productivity and saving in coke rate to the blast furnace. The technology of sinter making


Blast furnaces use carbon from metallurgical coke and pulverised coal, about 500-600 kg per tonne of hot metal as the reducing agent for iron ore. In addition, the carbon is also the fuel for the process as it is combusted to …


blast furnace, a vertical shaft furnace that produces liquid metals by the reaction of a flow of air introduced under pressure into the bottom of the furnace with a mixture of metallic ore, coke, and flux fed into the top. Blast furnaces are used to …


The minimum long-term iron ore price (62 per cent Fe) that would be required to underpin such a project is estimated at US$78/t CFR for BF-grade magnetite and US$68/t CFR for DR-grade concentrate.Apart from the financial benefits, it is demonstrated that the use of magnetite concentrate in ironmaking has the potential to reduce CO2 emissions by ...


a few countries use a batch for pig iron production, which contains a titanium-vanadium-magnetite concentrate, and only for isolated blast-furnace units. such a concentrate is only used for the purpose of recovering vanadium contained in it. It should be emphasized that the use of a …


Use of Iron Ore Pellets in Blast Furnace Burden Pelletizing is a process that involves mixing very finely ground particles of iron ore fines of size less than 200 mesh with additives like bentonite and then shaping them into …


To increase the utilization fraction of V-Ti-Magnetite ore in the burden of the blast furnace over 80 pct, the technology of "replacing CaO with MgO" was discussed.


PROSPECTIVE OF TITANIA- MAGNETITE ORE PROCESSING IN BLAST FURNACE AND ALTERNATIVE IRONMAKING1 Yakov Gordon2 Michiel Freislich3 Harry Brunger3 Peter Slack3 Leigh Harris3 Abstract Titania-magnetite ores represent a largely untapped resource for international steelmakers in spite of representing a significant …


[4,5] Blast furnace burden consisting of sinters and pellets must contain less than 2.3%TiO 2 to have a manageable slag. [6] Charging of titanomagnetite in a blast furnace in Panzhihua, China is made possible with dilution of hematite from Australia.[7] There is only one ironmaking facility in the world that makes use entirely of magnetite sand ...


Complete step by step answer: First, let us know about the use of blast furnaces. As mentioned it is used to attain the iron by reduction with the carbon, and carbon is attained in the form of coke. The ores extracted in the blast furnace are hematite, magnetite. Now, we will draw the diagram of a blast furnace used in the extraction of iron.


HOW A BLAST FURNACE WORKS Introduction The purpose of a blast furnace is to chemically reduce and physically convert iron oxides into liquid iron called "hot metal". The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, coke and limestone are dumped into the top, and preheated air is blown into the bottom.


Keywords:blast furnace pellets, hematite, magnetite, wustite. 1. Introduction acceptable levels for use in the blast furnace and become Iron ore is described as a natural material that can profitable. The agglomeration can be done by sintering, using possess various compositions, degrees and physical qualities. It can


sent study, it can be seen from Fig. 5 that with the increase. in the pellet basicity from 0.10 to 0.50, the swelling index. increases from 10 to 18%, which is undesirable for blast. furnace ...


Ironmaking Blast Furnace. Iron is made by reacting iron ore (iron oxide and impurities), coke (a reductant) and limestone (CaCO 3) in a blast furnace.. Iron ores with lower iron content such as taconite are first processed …


The reason for LKAB to build its own experimental blast furnace instead of continue to use the British Steel pilot blast furnace was primarily to overcome some of the problems with that very small furnace. Although the furnace had proved very useful, a …