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iron ore sinter coke lime stone dolomite

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  • Numerical Modeling of the Iron Ore Sintering Process

    A. Iron ore sintering is considered a 1-D transient pro-cess; the lateral transfer of heat and mass across the bed being negligible B. The continuum of the gas (O2, CO2, CO, H2O and N2) and solid (coke, limestone, lime, dolomite, mag-nesia, water, hematite and magnetite) phases; with the gases flowing through a stationary bed of solids

  • Iron and Steel Makingmmm | PDF | Coke (Fuel) | Sintering

    2018-1-1 · The B.F. works on a counter current principle Ascending hot gases meet Descending solid charge The charge includes Iron bearing materials (ore, sinter, pellets), coke & flux (Lime stone, Dolomite) The ascending gases cause reduction of Iron oxide in the Iron bearing materials while progressively heating it. The result is Production of Liquid ...

  • th SEM B TECH DEPARTMENT OF METALLURGY AND …

    2017-10-27 · lime stone/dolomite/lime Which is charged independently and with sinter. OXYGEN/AIR for combustion IMPROVEMENT MADE IN BLAST FURNACE TECHNOLOGY 1-hot metal production rate -8000-10000tpd 2-fuel rate 450-470 kg/thm(270-275 coke and 175-225 kg of coal). 3-productivity levels of 2.5-3.0 t/m3/d(based on inner volume). 4-low silicon (<0.20)

  • (PDF) Model Predictions of Important Bed and Gas ...

    D. Coke, lime stone, dolomite and iron ore particles have characteristic size distributions; in a sinter mix the lay- ering of fines onto the surfaces of larger particles pro-

  • MSP STEEL & POWER LIMITED

    2020-7-12 · 2.2.3 Sinter Iron ore fines, Lime stone, Dolomite, coke Breeze, flue dust and mill scales will be used in the sinter plant of size 1 x 60 m 2 to produce BF sinter which ultimately will be used as raw material in Blast furnace. The flue gases generated in the sinter plant will be treated in a State -of – The Art ESP and the dust

  • IRON AND STEEL

    2021-11-15 · primarily of iron ore, sinter, or pellets; coke; and limestone or dolomite. Iron and steel scrap may be added in small amounts. Near the bot tom of the furnace, preheated air is blown in. Coke is combusted i n the furnace to produce carbon monoxide which reduces the iron ore to iron. Silica and alumina in the ore and coke ash are fluxed with

  • Effect of Oxygen Enrichment on Top Layer Sinter Properties

    Sintering is a process in which iron ore fines along with limestone, dolomite, coke fines, quicklime GCP dust, flue dust, mill scale and return sinter are mixed with water to form nodules and then fired to form sinter. 1) Mix of these materials is then charged into pallet cars, where an ignition burner initiates combustion from the top part of the bed and air is supplied by down draft suction.

  • Influence of limestone particle size on iron ore sinter ...

    Iron ore fluxed sinter is the main ferrous burden of Jindal south west steel limited (JSWSL) blast furnaces. In sinter plant fluxes including limestone and dolomite are added to improve the sinter properties of iron ore and to provide an appropriate

  • Sintering Technology for Iron ores and Optimization of ...

    2016-10-19 · Raw materials consisting of iron ore fines, coke breeze, slag modifiers such as lime stone, dolomite, manganese ore, lime, quartzite, and sand etc., and waste materials such as mill scale, screenings, dusts, sludges, and converter slags etc. are batched and conveyed to a blending system.

  • Partial substitution of anthracite for coke breeze in iron ...

    2021-1-15 · Based on the above issues, anthracite has become the main substituting fuel for coke breeze in iron ore sintering due to its reasonable price 19,20.When this …

  • A STUDY ON THE EXAMINATION OF THE SINTER …

    2021-11-9 · A STUDY ON THE EXAMINATION OF THE SINTER METALOGRAPHIC STRUCTURE. Öz Sintering process is carried out domestic and imported iron ore powders, fluxes (limestone, dolomite etc.), coke dust, metallurgical recycling powders and slag forming agents. The purpose of the sintering process is to produce a charging material with suitable thermal ...

  • PowerPoint Presentation

    2016-4-7 · The iron (Fe) containing materials (Iron ore and Sinter), fluxes (Dolomite, Silica stone and Limestone), Manganese ore and Coke, are added to the top of the furnace shaft. Hot blast air enriched with oxygen and steam is blown from the bottom of the furnace together with Pulverised Coal (PCI), producing a counter current of reducing gasses. ...

  • Ppt0000015 [Read-Only]

    2018-6-27 · Sinter Plant (3 MTPA) Pellet Plant (1.2 MTPA) Coke Oven Plant (1 MTPA) Iron Ore Fines, Limestone, Dolomite Iron Ore Fines, Bentonite Parbatpur Coal+ Imported Coal Blast Furnace (2.5 MTPA) Ductile Iron Pipe Plant (0.3 MTPA) Hot Metal De-Sulpherization Plant (HMDP) (1.8 MTPA) (Provision) Pig Casting Machine (0.4 MTPA) Scrap Basic Oxygen …

  • Influence of sulfur dioxide-related interactions on PM2.5 ...

    2018-6-17 · For making sinter, iron ore fines, fluxes (limestone, dolomite, and quicklime), return fines (sinter with size range of <5 mm), and solid fuel are necessary raw materials. All of them were directly obtained from an integrated steelwork in China. Table 1 gives the basic chemical compositions and proportions of raw materials,

  • NEELACHAL ISPAT NIGAM LTD

    2017-9-22 · which increases the FeO content in sinter. The more undersigned coke breeze not only reduces the permeability of bed but also flares immediately without sintering the material; this generates more sinter return-fines. Fluxes: Lime stone, dolomite, dunite, pyroxinite are the main source of fluxes used in Indian iron and steel industry.

  • Coke Ovens-Sinter-BF-BOF Route | SAIL

    2021-11-23 · SINTERING PROCESS A Sinter Plant typically comprise the following sub-units as shown below. SINTERING PROCESS. The raw materials used are as follows - Iron ore fines (-10 mm), coke breeze (-3 mm), Lime stone & dolomite fines (-3mm) and other metallurgical wastes. The proportioned raw materials are mixed and moistened in a mixing drum.

  • Effect of Oxygen Enrichment on Top Layer Sinter …

    Blending ratio of sinter mixture used in the experiments. Material Iron ore Coke Return Sinter Limestone Dolomite Quick lime Mill scale Flue dust GCP dust Mass (%) 55.25 5 24 6.25 5 1.5 1 1 1 Fig. 2. Schematic diagram of sinter pot. (Online version in color.)

  • Influence of limestone particle size on iron ore sinter ...

    Iron ore fluxed sinter is the main ferrous burden of Jindal south west steel limited (JSWSL) blast furnaces. In sinter plant fluxes including limestone and dolomite are added to improve the sinter properties of iron ore and to provide an appropriate slag composition of the blast furnace.

  • FINAL SAFETY AUDIT OF VISHAKHAPATNAM STEEL …

    2020-7-29 · The Iron ore fines and crushed lump ore (sized iron ore) Limestone (BF), Manganese Lump, Quartzite is sent to Blast furnace (BF). BF grade lime stone, BF grade dolomite, sand, Manganese ore & iron ore fines are sent to Sinter Plant (SP). SMS grade Lime stone and Dolomite, Dolo chips are sent to Calcining plant (CRMP). SMS grade Dolomite ...

  • Static Heat Energy Balance Mathematical Model for an …

    wastages, having some iron percentages, such as screened sinter fines, flue dust and sludge from the blast furnace, and scales from mills. Limestone and dolomite are added to maintain the required basicity of sinter. Coke fines are used in the coke oven plant, to heat the iron ore fines along with the flux material, to form lumps of sinter.

  • METALLURGICAL USES FLUXES FOR METALLURGY

    2016-3-4 · furnaces, lime plants, and sinter plants. The sinter plants were often located at or near steel mills to take advantage of the availability of a variety of iron-bearing raw materials, coke fines, and slag. Recently, some major iron producers have incorporated flux into pellets, and the fluxed pellets are transported to iron producing centers.

  • Sinter Presentation | PDF | Iron Ore | Business Process

    2019-11-9 · silico ferrite of calcium and aluminium (sfca) cross-section of sintering zones material conversion at sinter plant input •ore fines (90% -10mm) •lime stone (90% -03mm) output •dolomite (90% -3mm) sinter •coke fines (90% 3mm) sintering process • sand/ quartzite (90% -3mm) (5 - 40 mm) • plant wastes like flue dust, mill scale, sms ...

  • (PDF) The analysis of the effect of iron-ore raw material ...

    The range of processes used generate iron ore fines, mill scale, DRI fines, nut coke, BOF slag, Corex sludge, limestone, and dolomite fines, which are all …

  • Gopal Sponge & Power Private Limited

    2020-7-12 · Iron ore fines, Lime stone, Dolomite, coke Breeze, flue dust and mill scales will be used in the sinter plant to produce BF sinter which ultimately will be used as raw material in Blast furnace. The flue gases generated in the sinter plant will be treated in a State -of – The Art ESP and the dust concentration at the outlet of the ...

  • Mathematical modeling of and parametric studies on flue ...

    2016-6-5 · Zhou et al. considered most of the important physicochemical reactions, in which coke, limestone, dolomite, and iron ore particles were treated with characteristic size distributions. Then, Zhao et al. [20] modified Zhou''s model [15] by integrating into an available granulation model to provide a novel description of coke positioning within ...

  • BF3 Sinter Plant Environment Statement

    Grade Ore c) Limestone d) Dolomite e) Manganese Ore f) Siliceous ore/Quartz g) Sinter h) Pulverized coal a) High Grade Low Mn Iron Ore Fines b) Low Grade Iron Ore Fines c) Coke Breeze d) Limestone e) Dolomite f) Limestone & Dolomite Fines Product Pig Iron Sinter During previous Financial year 2015- 16 506.4 Kg/T of 408 Kg/T of product 5.9 Kg/T ...

  • Effect of Mixing Pre-heated Water on Granulation and Iron ...

    2021-4-27 · Sintering is a process in which iron ore fines along with limestone, dolomite, coke fines, lime, gas cleaning plant (GCP) dust, flue dust, mill scale and return sinter are mixed with water to form nodules and then fired to form sinter [].The sintering process commences with the downward propagation of combustion front and process completes when the combustion front …

  • CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

    2012-8-16 · The product ''sinter'' consists of a cellular mass of ore bonded in a slag matrix. The sinter mix, besides the ore fines, usually contains other materials like flue dust, return fines, limestone and/or dolomite etc., in order to control the properties of the product as well as to utilize industrial waste.

  • Chemical, Mineralogical and Metallurgical …

    2017-12-21 · Generally before sintering a charge-mix is prepared that consists of iron ore fines, fluxes (limestone and/or dolomite), fuel (coke breeze), sinter return-fines, and sometimes some waste-recycling plant materials. Therefore, efficiency of producing good quality sinter depends on many characteristics of the charge mix.

  • Effect of Oxygen Enrichment on Top Layer Sinter Properties

    D. Coke, lime stone, dolomite and iron ore particles have characteristic size distributions; in a sinter mix the lay- ering of fines onto the surfaces of larger …

  • DESIGN MODIFICATION TO ACHIEVE PROCESS …

    2021-2-3 · i) Iron ore fines (0-10 mm) ii) Coke - used as fuel iii) Limestone & Dolomite - to maintain required sinter basicity. iv) Sand - to maintain required sinter basicity. Metallurgical wastes - to use wastes effectively and thus reduce the cost of Sintering v) Lime - to enhance the process of sintering.

  • Sintering and Reduction of pellets of El-Baharia iron ore ...

    2016-9-9 · sinter containing lime stone is higher than that dolomite . Min et al [4] illustrated that the six additives, limestone, lime, magnesite, magnesia, dolomite and light-burned-dolomite to iron ore for investigating their influences on the pellet quality. For green balls, adding lime and light-burned-dolomite makes

  • LECTURE NOTES ON IRON MAKING SUBJECT CODE: …

    2021-4-8 · crucible-like hearth. Iron-bearing materials (iron ore, sinter, pellets etc.), coke and flux (limestone and dolomite) are charged into the top of the shaft. A blast of heated air and also, in most instances, a gaseous, liquid or powdered fuel are introduced through openings at the bottom of the shaft just above the hearth crucible.

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