sponge iron limestone

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  • Limestone and Dolomite and their Use in Iron and Steel ...

    May 08, 2013· The limestone which is used by iron and steel industry in bulk quantity is a bedded type sedimentary limestone. The two most important constituents are calcite and dolomite. Limestone frequently contains magnesium carbonate, either as dolomite CaCO3.Mg CO3 or magnesite (MgCO3) mixed with calcite.

  • Limestone - Wikipedia

    Limestone is commonly white to gray in color. Limestone that is unusually rich in organic matter can be almost black in color, while traces of iron or manganese can give limestone an off-white to yellow to red color. The density of limestone depends on its porosity, which varies from 0.1% for the densest limestone to 40% for chalk.

  • advantages of limestone in sponge iron process

    advantages of limestone in sponge iron process. Advantages Of Limestone In Sponge Iron Process Applications of electrostatics how does a electrostatic precipitator use static electrostatic precipitators use electric forces to is limestone used in the production of sponge iron tunnel kiln for sponge iron production is there an advantage in producing sponge iron over sponge iron production in ...

  • Sponge Iron - an overview | ScienceDirect Topics

    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 8001200 °C. Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron ore

  • US3165398A - Method of melting sponge iron - Google Patents

    US3165398A US29518563A US3165398A US 3165398 A US3165398 A US 3165398A US 29518563 A US29518563 A US 29518563A US 3165398 A US3165398 A US 3165398A Authority US United States Prior art keywords iron temperature furnace sponge iron melting Prior art date 1962-08-31 Legal status (The legal status is an assumption and is not a legal conclusion.

  • sponge iron process

    Jul 29, 2010· The sulphur content in sponge iron is controlled by adding 1-6mm of limestone/dolomite along with feed materials which picks up sulphur from the coal preventing the sulphur pick up in sponge iron. the sulphur content in sponge iron can be controlled in the range 0.012 to 0,025%

  • Welcome to SIPC Services- Pioneer in Sponge Iron ...

    Sponge Iron Background:: DRI Process:: The majority of DRI units in India are coal based. In a coal based DRI unit, non-coking coal and iron ore along 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.

  • advantages of li ne in sponge iron process

    Sponge iron is a metallic product produced through the direct reduction of iron ore in the strong state. It is a substitute for scrap and therefore is mostly applicable in making steel through the secondary route. The procedure of sponge iron making aims to expel the oxygen from iron ore. The level of metallization (expulsion of oxygen) shows ...

  • Sponge Iron vs. Pig Iron - VS Pages

    Aug 03, 2020· Difference Between Sponge Iron and Pig Iron. Sponge and Pig iron are different from each other in terms of their use and the way they are produced. Although both are forms of iron but they have different properties. Pig iron is produced by melting iron ore under high pressure with charcoal and limestone.

  • Bathwal Corp. - Mining, Iron & Steel, Real Estate, Finance ...

    LIMESTONE. IRON ORE. STEEL BILLET. SPONGE IRON. GRANITE. TEXTILES. REAL ESTATE. Latest News. Bauxite mines not being successfully auctioned leads to rise in import Read More » February 26, 2021

  • Products | Metallics and Rolls | Metals Trading | Tata ...

    From coal-based sponge iron and pig iron for casting and forgings to HBI / DRI for electric arc furnaces and recycled scrap sheets, Tata International's Metal Trading business offers customised products.

  • Sponge ITC, Sponge Iron,India Iron Consultant

    Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron production can be classified into:-1) Physical requirements:- Strength and granulometry are the two important physical requirements. ...

  • Mobarakeh Steel Company - Wikipedia

    MSC's iron ore (raw material) comes from mines in Golgohar and Chadermaloo (Kerman and Yazd provinces) and are converted to pellets in the pelletizing plant (diameters: 810 mm). After being reduced in the direct reduction (DR) plant and removed of oxygen, pellets are converted to (sponge iron).

  • Sponge Iron, Minerals and Metallurgy Trading of Tava ...

    Dec 03, 2019· Product name: Sponge Iron / Sponge Iron Powder With Low Price Type: Sponge Iron Size: 0.5-1 1-2 2-4 4-6 6-8mm Hardness: 5-7 Compressive strength: 1500N/T Application: For water treatment ,Casting, Metallgical AL+SI: 5.5 Active iron: 98% Bulky density: 2.2g/cm3 Sample: Free

  • Sponge Iron Industry - SlideShare

    Nov 17, 2012· Garbage Factor for a tonne of sponge iron unit PUT (in Tonnes) OUTPUT (in Tonnes)1.6-1.75 Iron Ore 1.8-2 Carbon Dioxide1.2-1.5 Coal 0.25 Dust0.035-0. 5 Dolomite 0.29 Coal Char1.5-2 Water 0.02 Kiln accretions 0.2 Sulfur Dioxide with water vapour Water vapourSource: Down to Earth, September 16,2006.

  • Bulk Density Chart - Anval

    Iron Chromite 114 1826 Iron Fillings 180 2884 Iron Ore 162 2595 Iron Oxide 80 1282 Iron Oxide (Black) 161 2579 Iron Oxide (Red) 69 1105 Iron Powder 175 2804 ... Limestone (Ground) 59 945 Limestone (Pulverised) 68 1089 Limestone Dust 69 1105 Limestone Filler 63 1009 Limestone Flour 69 1105 ...

  • Masvingo Steelmakers plant to resume operations | The Herald

    May 06, 2021· The sponge iron producer opened in 2004 and produced 60 000 tonnes annually when it shut down. Iron ore and limestone to feed the plant is extracted at Glenlivet,25kms east of

  • Sponge Iron, in Hata, Jamshedpur , Shah Sponge ...

    Sponge iron production using coal involves Reducing iron- ore with coal or lignite. The reduction is carried out in a Rotary Kiln at a pre-determined temperature and controlled atmosphere. The input raw material i.e. irons ore, coal and limestone in the required range of speeds.

  • Limestone Supplier, Tava Trading is a Limestone Supplier ...

    Nov 10, 2019· Micronized Gypsum Powder, Coal, Onyx Marble, Chromite Stone, Granite, Marble Sponge Iron, Iron Concentrate, Iron Ore Pellets, Iron Ore, Limestone Total Employees 11 50 People

  • SPONGE IRON PLANT

    The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron

  • Sponge Iron - an overview | ScienceDirect Topics

    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 8001200 °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 ...

  • 157 questions with answers in LIMESTONE | Science topic

    Mar 24, 2021· Review and cite LIMESTONE protocol, troubleshooting and other methodology information | Contact experts in LIMESTONE to get answers ... Production of Sponge Iron through Tunnel Kiln Process ...

  • ORISSA SPONGE IRON AND STEEL LTD.

    Sponge Iron Plant. As on 31.03.2011, OSIL has the following production facilities at the plant: ... (limestone/dolomite) is charged in proportion through material handling systems into the rotary kiln. Coal acts as the reductant to romove oxygen from iron ore. The process of reduction causes micro pores in the ore body turning it porous.

  • Sponge Iron | High & Low Carbon Grade Supplier & Wholesale ...

    Sponge iron is a valuable source of iron for the production of high-quality steel. With the Direct Reduction technology that has been developed considerably in recent years, sponge iron melting in electric arc furnaces has more qualitative advantages than scrap metal smelting for steel

  • Our History - Iron, Manganese, Sponge Iron, Limestone ...

    CIN:L51430WB1918GOI0030262 The company was incorporated in the year 1918. A prospecting License was granted over 93 square miles area for Mining in Keonjhar district of Orissa (1917). The 1st Mining Lease was granted in the year 1924 (for 30 years) to M/s & Company (P) Ltd. OMDC was the operating Company for the Leaseholds of M/s & Company (P) Ltd. M/s & Company (P) Ltd ...

  • SPONGE IRON - WELCOME TO IGR INDIA

    Limestone : CaO > 50%. Sponge Iron Standards: For TFe 67%. H90: TFe 90-92, S 0.02-0.025, P 0.04-0.06, Other Oxides < 6%; H88; TFe 88-90, S 0.025-0.03, P 0.06-0.08, Other Oxides < 7.5%; Sponge Iron Grades : TFe 80-83% 84-86% With Iron ore finess TFe 61-63% 63-65%

  • Sponge Iron Making - Metal bureau

    Sponge iron is directly reduced iron in the solid state. Iron ore is reduced with the help of coal and limestone in rotary kiln at 700-1000' C. The oxygen present in the iron ore is separated through reduction of carbon and metallic iron content is raised above 90% of iron. The sponge iron is melted in the electric arc furnace and induction ...

  • Sponge Iron | Vetix Co

    Size (90%): 9.5 18 mm Sponge Iron is one of the most important and the basic raw materials required for the production of various steel/iron based products like TMT bars, D.I Pipes etc. Sponge Iron is a partsubstitute for steel scrap used for manufacturing steel by

  • Corex Process for Production of Iron IspatGuru

    Feb 22, 2017· Calcination of the uncalcined limestone and dolomite. Reduction of the residual iron oxide in the sponge iron. Direct reduction of FeO in the DRI takes place by carbon in the char bed. Combustion of coal char by oxygen takes place near the tuyeres since the maximum temperature inside the melter-gasifier exists in front of the tuyeres.

  • US2855290A - Method of reducing iron oxide to sponge iron ...

    US2855290A US597507A US59750756A US2855290A US 2855290 A US2855290 A US 2855290A US 597507 A US597507 A US 597507A US 59750756 A US59750756 A US 59750756A US 2855290 A US2855290 A US 2855290A Authority US United States Prior art keywords pellets iron limestone reducing reduction Prior art date 1956-04-04 Legal status (The legal status is an assumption and is

  • Risk Assessment & Hazard Management (RH)

    Sponge Iron, DRI, Induction Furnace & Captive Power Plant of Shah Sponge & Power ltd at Village-Bhurmi (Juri) Singhbhum, Jharkhand . Prepared by : Anuradha Sharma- FAE-RH Page 4. Table 1.2 Raw material required for Sponge iron production . Raw material Size Ratio/Ton MT/Day MT/Year . Sized iron ore 5-18 mm 1.7 340.00 102000.00

  • EC Eminent Corporation

    Phone & Email +880 181 965 9500 [email protected] Working hours. Saturday to Thursday 9am to 6pm. Friday Closed. OFFICE ADDRESS. 40/1/A, Niketon, Gulshan, Dhaka-1212, Bangladesh

  • Extracting More Sponge Iron Is Imperative To Boost Steel ...

    Sep 29, 2019· The total capacity is reported to be about 11MT of sponge iron; in Chhattisgarh 4.5 MT, followed by 2.2 MT in Odisha and 1.6 MT in West Bengal. In India, most of the sponge iron producers do not have captive mines of any of the raw materials like hematite, non-coking coal and limestone, which are used for sponge iron production.

  • Limestone Supplier, Tava Trading is a Limestone Supplier ...

    Apr 17, 2020· Limestone Trading, Tava Trading is specialized in Limestone trading and distribution of Minerals and Metallurgy products in the world.

  • advantages of li ne in sponge iron process

    Sponge Iron - an overview ScienceDirect Topics. The resulting sponge iron is hammered into shapes to produce wrought iron. The conventional integrated steel plants of less than one million tons annual capacity are generally not economically viable, but some of the smaller capacity steel plants use sponge iron as a charge to convert iron into steel.

  • Extract more sponge iron to boost steel production, jobs

    Oct 18, 2019· In India, most of the sponge iron producers do not have captive mines of any of the raw materials namely hematite, non coking coal and limestone which are used for sponge iron production.

  • Historic Preservation | Sponge-Jet

    Limestone, sandstone, marble, granite, brick, terracotta and tile; Bronze, brass, copper, gold, wrought iron and delicate castings; Wood beams; Selective stripping and removal of smoke, soot, and graffiti; Sponge Media cleaning and restoration products provide professionals with surgical-like control for a wide range of cleaning and ...

  • (PDF) Modeling of Rotary Kiln for Sponge Iron Processing ...

    Modeling of Rotary Kiln for Sponge Iron Processing Using CFD package (ANSYS 13.0) A Thesis Submitted for Partial Fulfillment of the Degree Award Of MASTER OF TECHNOLOGY In CHEMICAL ENGINEERING Under the supervision of. Radhebihari Upadhyay.

  • (PDF) "Sponge Iron Industry in Chhattisgarh : A Perspective

    Jan 14, 2020· Sponge Iron Industry in recent years has witnessed growth in India as well as globally. Chhattisgarh blessed with abundant natural resources is one of major producers of Sponge Iron in India.

  • sponge iron process: 2010

    Jul 29, 2010· The sulphur content in sponge iron is controlled by adding 1-6mm of limestone/dolomite along with feed materials which picks up sulphur from the coal preventing the sulphur pick up in sponge iron. the sulphur content in sponge iron can be controlled in the range 0.012 to 0,025%

  • Mobarakeh Steel Company - Wikipedia

    Mobarakeh Steel Company (MSC, Persian: فولاد مبارکه , Foolad Mobarakeh) is an Iranian steel company, located 65 km south west of Esfahan, near the city of Mobarakeh, Esfahan Province, Iran is the largest steel maker of MENA (Middle East & Northern Africa) region, and one of the largest industrial complexes operating in Iran.

  • sponge iron process

    Jul 29, 2010· The sulphur content in sponge iron is controlled by adding 1-6mm of limestone/dolomite along with feed materials which picks up sulphur from the coal preventing the sulphur pick up in sponge iron. the sulphur content in sponge iron can be controlled in the range 0.012 to 0,025%

  • Convert your sponge iron plant into a cast iron plant and ...

    MAGMA produces pig iron from iron ore, by the method of liquid-phase reduction of iron. In the process, iron ore fines & limestone are pre-heated by the off-gases of the smelting chamber in a rotary kiln, to temperatures of 900-1,000°C & then hot-charged into the MAGMA chamber. Coal is directly burnt in oxygen inside MAGMA.