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PTKP Sinter Iron making process Raw material Unloader Yard Lump Ore Pellet Ore Fine Ore Sintering Blast Furnace Sinter PTKP Sinter Iron making process School Sebelas Maret University Course Title CHEMICAL E I0512037 Uploaded By karlinaputri19 Pages 23 This preview shows page 1 out of 23 pages View full document Unformatted text preview View
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The Platts spot iron ore lump premium assessment by S P Global Commodity Insights IOCLP00 is of the premium a lump cargo commands over the price of fines as defined by the Platts 62% Fe Iron Ore Index or IODEX This premium is assessed on a US dollar per dry metric ton unit CFR Qingdao basis which is applied over the IODEX assessments
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Iron ore prices refer to Iron Ore Fine China Import 62 percent grade Spot Cost and Freight for the delivery at the Chinese port of Tianjin Is used to make steel for infrastructure and other construction projects The biggest producers of iron ore are China Australia and Brazil Others include India Russia Ukraine and South Africa
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Code meaning it is not liable to liquefy Iron ore fines are largely made up of powdery material below 10 mm in size and may be produced by sieving the natural ore The IMSBC Code defines iron ore fines as a category A cargo meaning that it may liquefy if shipped at a moisture content in excess of its Transportable Moisture Limit TML
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Fines vs pellets—Processes using iron ore fines rather than pellets or sized lump ore can save as much as $25 for 30 t of iron produced High iron yield can be achieved by recycling fines and dust generated during the reduction process Fines and low cost pulverised coal—The Fastmet process which utilizes iron ore fines and pulverised coal in a rotary hearth furnace could be developing
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Definition For the purposes of this document iron ore refers to iron ore fines concentrates and lump ore the main mineral types being hematite Fe 2O 3 magnetite Fe 3O 4 and goethite Iron ores which contain impurities that would give rise to a classification and labelling issue are not covered by this document
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DRI also known as sponge iron is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron below the melting point of iron and typically in the range of 800 1200 C Iron oxide is charged into shaft furnace rotary kiln or fluidized beds in the form of pellet iron ore lumps or fines The reduction takes place using gaseous reductants CO H
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The powdering residue from the screening known as fines is mixed with coal dust or coke breeze and the sintering controlled burning process follows resulting in the fusion of the fines into hard lumps that can be included in the furnace charge Sinter is being used more and more nowadays and in some plants it forms 100% of the charge
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Hematite ore is simply mined crushed and after that screened into either lump or fin It is then immediately sold as such The ore has high iron content typically between 56 and 64 Fe Magnetite has higher iron content than hematite But Beneficiation of an iron ore fines by magnetization Nov 10 2024 0183 32 1 Introduction Hematite α Fe 2 O 3 is widely distributed in various rocks and is
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Answer 1 of 2 What is Pelletization The process of Pelletization helps converting Iron Ore Fines into Uniform Size Iron Ore Pellets that can be fed in the blast furnaces or in the DRI kiln DRI Why Pelletization Pelletization is the only answer to a major question of preserving our
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BF grade DRI grade flux pellets swelling Iron ore pellets Iron ore pellet is a type of agglomerated iron ore fines which has better tumbler index when compared with that of parent iron ore and can be used as a substitute of lump ore for the production of direct reduced iron DRI and in blast furnaces for the production of hot metal
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The crushed ore is sorted over screens and resized to different specifications such as lump and fines products Once the iron ore is processed a stacker builds a stockpile in the stockyards When ready for transportation a reclaimer picks up the ore from the stockpiles and conveys it to train load out facilities
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Atlantic Basin DRI Iron Unit Sourcing Consumption Lump Consumption Pellet Nafta Trinidad Company Plant Annual Equity Market Comments Production KT KT KT Cliffs Northshore 5 200 0 5 200 tested DR grade prod Wabush 5 000 0 5 000 now idle USSteel MinnTac 14 500 14 500 0 potential conversion to DR USSteel KeeTac 6 000 6 000 0 potential conversion to DR ArcelorMittal Mines Canada QCM 9 200
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The term direct reduced iron or DRI has a generic meaning which covers a number of products with a variety of properties and hazards There has been a disturbing increase in the number of potential life threatening incidents involving the carriage of direct reduced iron DRI Gard Loss Prevention Circular No 07/2024 provided general advice on the carriage of this Since this
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Beneficiation of Iron Ore and the treatment of magnetic iron taconites stage grinding and wet magnetic separation is standard also applies to iron ores of the non magnetic type which after a reducing roast are amenable to magnetic separation All such plants are large tonnage operations treating up to 50 000 tons per day and ultimately requiring grinding as fine as minus 500
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The study aimed at investigating the chemical composition and microstructure of raw iron ore from the deposits in Muko area south western Uganda The quality of this iron ore was evaluated to establish its suitability to serve as a raw material for iron production Samples were taken from the six hills of Muko ore deposits and tests carried out to establish their composition and properties
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In iron processing Lumps and fines As mined iron ore contains lumps of varying size the biggest being more than 1 metre 40 inches across and the smallest about 1 millimetre inch The blast furnace however requires lumps between 7 and 25 millimetres so the ore must… Read More
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Mean microhardness of these ore groups was normalised to their proportion within the ore determined by manual point counting of iron ore fines mm or hand sorting of lump particles
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Iron ore fines are converted to iron by the following route Fines Pellets Reduction to metallic Fe Therefore the process of formation of pellets has to ensure that its product has required properties to perform as desired during the stage of reduction This thesis and the work done as recorded aims at identifying the optimum values of properties of the chief raw materials of pelletization
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It is pointed out that as per the notification of IBM royalty on iron ore lumps is much higher than iron ore fine In view of obvious loss to the State Exchequer by crushing of lump ore into CLO and fine by the petitioner and in view of the remarks of the CAG the impugned Circular had to be issued As the price of CLO is yet to be published
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Sinter fines and lumps make up the bulk of the seaborne iron ore market and are the products most frequently traded on a spot basis so daily pricing is used for the key 62% Fe 58% Fe and 65% Fe fines and lump premium references
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What is iron ore lumps and iron ore fines What is the difference · Iron ore fines less than 6mm · Sized ore size 5mm to 20mm · Lump ore size 10mm to 40mm Iron ore fines are created as
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For lump ores it should be 85 90% mm Cold compression strength for pellets should be 250 kg or greater Tumble strength and cold compression are indications of how well the oxide pellets have been indurated Low tumble and cold compression strengths mean higher fines generation during handling
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An on stream iron ore analyser has been developed in collaboration with Hamersley Iron Pty Limited for determining the iron content of both lump 30 6 mm particle size and fines 6 mm particle size on conveyor belts The analyser which is called IRONSCAN is based on pair production and is now commercially available from Mineral Controllnstrumentation Limited MC in Adelaide
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Inmetco is a coal based process similar to FASTMET that uses iron oxide fines and pulverized coal to produce a scrap substitute Mill scale and flue dust inexpensive by products of steelmaking can be mixed with the iron oxide fines Inmetco unlike other direct reduction products is intended to be hot charged into an EAF with attendant
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Direct reduced iron DRI is a type of metal substance produced from heating elemental iron in the presence of gas generated from natural gas or coal burning Due to the low degree of oxygen present DRI is prone to oxidation and has a higher corrosion rate compared to other types of iron Appropriate corrosion prevention methods must be used
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of interlocked iron ores lump ores as well as sinter fines which require high separation densities to obtain marketable concentrate grades The stratification of randomly mixed iron ore particles according to density in a jig is based on the well known principle of sorting by the water flow which pulsates vertically through the material bed The water movement is generated by the disc valve
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Iron Ore fines Iron ores are rocks and minerals from which metallic iron can be economically extracted The ores are usually rich in iron oxides and vary in colour from dark grey bright yellow deep purple to rusty red
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During the crushing of iron ores a great percentage of fine particles are produced Due to their detrimental influence on the permeability and Due to its better metallurgical and physical properties than pellets and lump ore iron sinter is today the major source of iron in the burden to the modern blast furnace
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Indian miners now face a hefty 50% tax on exports of iron ore fines lump and concentrate and a 45% tax on exports of iron ore pellets These were imposed from May 22 this year to curb inflation and increase supply within India The move caused liquidity of lower grade Indian pellets to vanish from the spot markets in Asia
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