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iron ore to sponge iron process

Theprocessof manufacturingsponge ironor DRI is known as DRprocess. Though the industrial application ofsponge ironstarted early in the 1950s, it could not fulfill industry expectations at that time in being used as a supplementary material for feed/ alternative to blast furnaces

sponge iron process

Jul 29, 2010· In general sizediron oreof 5-18mm is used in theprocessof manufacture ofsponge ironon all types of rotary kiln with +16mm not exceeding 15-20%.The mean particle size ofiron oreshall be restricted to 11mm in order to achieve uniform Fe metallic of all grain size fraction of the product

sponge iron an overview sciencedirect topics

The iron-sponge sweetening process is a batch process with the sponge being ahydratediron oxide (Fe 2 O 3) supported on wood shavings. The reaction between the sponge and H 2 S is2 Fe 2 O 3 + 6 H 2 S 2 Fe 2 S 3 + 6 H 2O The ferric oxide is present in a hydrated form

sponge iron (dri) the hira group

Coal based Sponge-iron is ametallic product produced through direct reduction ofironore in the solid state.Assuch it is also known as Direct Reduced Iron (DRI). Iron Ore Pellet is used for reduction. After reduction of iron ore pellet the product resembles sponge …

dri sponge iron price dri hbi prices simurgh iron and

Sponge iron process. In Iran, sponge iron is produced mainly in two ways:Perred (Persian Reduction) Midrex; DRI midrex process.TheMidrexprocess for the production of sponge iron, seen in the video placed in the first part of the paper.Persian reductioniron ore dri

raw materialiron oreinsponge ironplant raai's techs

Jun 21, 2020· The above table shows that the limit of phosphorus percent should less than 0.50% insponge iron. ForIron Ore, which should less than 0.03 5%. Sulpher InIron Ore. Sulfur is the predominant impurity insponge iron. So,iron orewith low sulfur is selected. The presence of sulfur iniron ore, as well assponge iron…

sponge iron process

Jul 29, 2010· In general sizediron oreof 5-18mm is used in theprocessof manufacture ofsponge ironon all types of rotary kiln with +16mm not exceeding 15-20%.The mean particle size ofiron oreshall be restricted to 11mm in order to achieve uniform Fe metallic of all grain size fraction of the product

iron ore beneficiation rashmi group

The productionprocessfollowed at Rashmi Metaliks makes theSponge Ironunique and superior than its competitors.Iron ore(Red Hematite) is extracted from the mines and taken to the Direct ReducedIron(DRI) Plant where it is charged with different sizes of Coal (Carbon) by conveyor from different stock houses into the Rotary Kiln

welspun steel limited

Theprocessofsponge ironmaking aims to remove the oxygen fromiron ore. The quality ofsponge ironis primarily ascertained by the percentage of metallization (removal of oxygen), which is the ratio of metallicironto the totalironpresent in the product.Sponge ironmanufacture is highly sensitive to raw material characteristics

sponge iron (dri) the hira group

Sponge Iron. Manufacturing 0.495 MTPA high quality Pellet andIron OrebasedSponge Ironhaving low phosphorous leading to manufacture of ISI products. Armed with strength to go global, incorporated reaffirmed focus to develop and produce best quality of product with inventive approach open for flexible solution sowing the seed of multiple yields

top pdfsponge iron 1library

After the purificationprocess/beneficiation completed, the mixingprocessis carriediron oreconcentrate that has been purified by using a binder such as bentonite and lime. Function of bentonite and lime is to draw impurities remnants that still exist at the time of the reduction so that the levels ofironin thesponge ironcan be increased

difference between sponge iron and pig iron compare the

Apr 30, 2011· The keydifference between sponge iron and pig ironis that we can producesponge ironby direct reduction ofiron orethrough reducing agents whereas the production ofpig ironis by meltingiron orewith charcoal and limestone at very high pressures..Sponge ironandpig ironare different forms ofironthat we can produce fromironores that occurs naturally under the surface of the earth

a new swedishironprocessing project could disrupt the

Dec 17, 2020· These steel plants can replace polluting blast furnaces with aprocessthat emits water vapor instead of CO2. On Nov. 23, LKAB announced that it intends to integrate forward in the steel supply chain and start producing "sponge iron" as a value-added product from its current pellet product, using the HYBRITprocess

welcome to sipc services pioneer insponge iron

Sponge IronBackground:: DRIProcess:: The majority of DRI units in India are coal based. In a coal based DRI unit, non-coking coal andiron orealong with limestone or dolomite in the required size range and quantity are continuously fed into the feed – end of an inclined rotary kiln through a feed pipe

raw materialiron oreinsponge ironplant raai's techs

Jun 21, 2020· So, the suitable 66% iron ore grade is good for sponge iron making. So, above 65% FeT of iron ore from all iron ore grades is suitable for sponge iron making. Hence, the conclusion comes here that gangue containing 4.5 maximum in Iron ore is …

sponge iron making process slideshare

Nov 09, 2014· Sponge iron making process. 1. ALBERTUS SEPTYANTOKO 2712100014. 2. IRON ORE • Iron = 65-67 % • SiO2 + Al2O3 = 2-3 % • CaO + MgO = 0,5-1 % • Sulphur = 0,02 % max • Phosphorus = 0,04 % max Chemical Composition • Size = 5-18 mm • …

welcome to sipc services pioneer insponge iron

The reduction process occurs in solid state. The crucial factor in this reduction process is the controlled combustion of coal and its conversion to carbon monoxide (by) while removing oxygen from the iron ore. For the Sponge Iron manufacturing there are two main processes i.e Coal based and Gas based

the hbi direct reduction process voestalpine

Nov 03, 2016· HBI is the product of reducing iron ore with natural gas. HBI stands for hot briquetted iron – porous sponge iron, pressed into briquettes. HBI is created by reducing the iron ore with natural gas. HBI can be used as a pre-material in blast furnaces or electric arc furnaces. In blast furnaces, HBI replaces coke and iron ore, while in electric arc furnaces it replaces scrap metal

research development itc pre heating technology

The Carbon Monoxide Gas Generates Due to The Combustion of Coal Which Reduces The Iron Ore and Convert it into Sponge Iron. The Waste Gases Liberated Through This Reduction Process is Passes Through Pre-Heater

top pdfsponge iron 1library

In the process for the production of sponge iron, the raw materials viz., iron ore, coal and dolomite are charged into rotary kiln from the inlet end by means of a feed tube in a pre-determined ratio by electronic weighing equipment. The Rotary kiln is of 3.00 mts

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