Sponge Iron Production In Rotary Kiln Ebook A Sarangi B This book deals with the basics of sponge iron production in rotary kiln describing the operational problems and control needed to produce a quality product The book comprehensively explains the process of selection and testing of raw materials needed to prepare sponge iron...
Sponge iron powder The Höganäs process is a direct reduction method for production of sponge iron powder using magnetite ore (Fe3O4) and carbon as raw materials The reduction process takes place in a gas fired tunnel kiln at around 1200°C for 60 hours producing a sponge iron ,...
Sponge iron is obtained by direct reduction of iron ore It contains nearly 94% of metallic iron and thus it is vital constituent in steel making process It is made either by making use of coal or by making iron ore undergo reaction with reducing gas...
Sep 10, 2020· During the sponge iron manufacturing process, hot air enters through the air tube and air nozzle of the sponge iron kiln, providing heat for the reaction The waste gas produced by the rotary kiln first enters the dust settling chamber, and the settled dust is finally discharged by the scraper The treated exhaust gas can enter the waste heat ....
The new concept of process technology, which is proposed in this paper (patent pending) to produce hot metal / pig iron is the combination of rotary kiln and lower part of blast furnace (smelting ....
Vertical raw mill in cement manufacturing plant construction details in file Products As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Vertical raw mill in cement manufacturing plant construction details in file, quarry, aggregate, and different kinds of minerals...
Shaft kiln’s small floor space The vertical kiln is arranged upright The single-hopper hoist is arranged at a large angle, and the functional areas are compactly arranged to greatly reduce the floor space Shaft kiln’s less investment The kiln steel structure has fewer machining parts and lower processing costs...
Cement Vertical Mill Process Farmine Machinery Cement vertical mill process FOB Reference Price Get Latest Price in the cement manufacturing process, most material must be broken, such as limestone, iron ore, clay and coal etc limestone is the main raw material for cement production, each producing a ton of clinker needs about 13 tons of ....
Direct reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) into iron by a reducing gas or elemental carbon produced from natural gas or coalMany ores are suitable for direct reduction Direct reduction refers to solid-state processes which reduce iron oxides to metallic iron at temperatures below the melting ....
Sponge iron process The longest established of these processes is the sponge iron process, the leading example of a family of processes involving solid state reduction of an oxide In the process, selected magnetite (Fe 3 O 4) ore is mixed with coke and lime and placed in a silicon carbide retort...
Aug 07, 2016· • Sponge iron produced by the process will be the high grade which contains 80% Fe, 12% FeO and 8% gangue material After separation of sponge iron in the magnetic screen/pulley, the remains are collected as char Char has good amount of fixed carbon (25% - 30%) and moderate GCV (2500 - 2600 Kcal/Kg)...
Sponge Iron Making Process , Sponge Iron Production in Rotary Kiln: Bidyapati Iron processing, iron; production of steel Encyclopædia Britannica, Inc use of a smelting process to turn the ore into a form from which products can be fashioned , iron pellet manufacturing process ppt - Gold Ore Crusher the manufacture of iron from iron ....
Sizing of the Raw materials also play vital role in sponge iron manufacturing process The required size of Iron ore, MPS (Mean particle size) , its physical properties like TI, AI & chemical properties like Fe (T), LOI, gangue content In Sponge Iron Process , two types of coal are being used such as feed coal and injection coal...
process of iron reduction in tunel kin and rotary kiln Rotary kiln A rotary kiln is a pyroprocessing device used to raise materials to a high temperature calcination in a continuous process Materials produced using rotary kilns include Cement Lime Refractories Metakaolin Titanium dioxide Alumina Vermiculite Iron ore pellets They are also used for roasting a wide variety of sulfide ores prior ....
Direct Reducing Iron (DRI) Process Process drawing Introduction of direct reducing iron (DRI) process The heat source is natural gas or heavy oil, petroleum coke (anthracite) as reducing agent, iron powder more than 68% Fe3O4 (can add 50% scale)...
Jul 14, 2014· the kiln process chemistry This article tries to establish detailed energy audit methodology of sponge iron manufacturing process or kiln operation with a view to finding out major energy sav-ing potential of the unit In the research work we find that it is the incomplete reaction of coal that causes the major energy inefficiency in the process...
1 Krupp Sponge Iron Process The Krupp Sponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets (Fig 1) The feed is introduced together with reducing and de-sulphurizing agents (lime-stone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge ....
A vertical retort is used for the reduction of iron ore as against a rotary kiln in coal based sponge iron process When the gases are travelling upwards the charge moves downward by gravity Gas-based sponge iron is not subjected for magnetic separation, as no contamination with nonmagnetic is possible either it can be cooled indirectly or ....
Energy Audit Methodology Of Sponge Iron Manufacturing 2014-9-15the kiln process chemistryhis article tries to establish detailed energy audit methodology of sponge iron manufacturing process or kiln operation with a view to finding out major energy sav-ing potential of the unitn the research work we find that it is the incomplete reaction of ....
Sponge Iron Thermax is a pioneer in supplying waste heat recovery boilers for sponge iron plants and has over 150 installations to date The boilers are designed to handle large amounts of dust from the flue gas generated in the rotary kilns The steam generated from ,...
Kiln Photos and Premium High Res Pictures Getty Imag iron manufacturing kiln stock pictures, royalty-free photos & imag 2001 in Peshawar, Pakistan near the border man removing pottery from kiln kiln stock pictures, royalty-free photos & images block manufacturing plant and air pollution kiln stock pictures, royalty-free photos & imag lime kiln during firing, wood engravingget price...
Sponge iron is a highly processed form of iron ore that contains metallic iron in the range of 83-88% obtained by direct reduction through reaction with carbon in the form of coal at approx 1100 degree Celsius Due to high porosity, the resulting iron is called sponge iron Sponge iron is also referred to as direct reduced iron or metalized iron...
1 Krupp Sponge Iron Process The Krupp Sponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets (Fig 1) The feed is introduced together with reducing and de-sulphurizing agents (lime-stone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge ....
Mar 16, 2013· Fig 2 Principle of direct reduction process Gas based process In the gas based reduction processes, a vertical shaft kiln is used in which iron ore is fed into the top of the kiln and finished sponge iron is drawn off from the bottom after cooling it so as to prevent its re-oxidation...
Nov 09, 2014· Making process iron ore to sponge iron Making process iron ore to sponge iron Submit Search Upload , AIR Secondary air is introduced axially in the direction of the gas flow The air supplied to the length of the kiln is metered for close control of temperature and gas atmosphere in the kiln Heating zone extends from 25% to 40% along ....
process of iron reduction in tunel kin and rotary kiln Rotary kiln A rotary kiln is a pyroprocessing device used to raise materials to a high temperature calcination in a continuous process Materials produced using rotary kilns include Cement Lime Refractories Metakaolin Titanium dioxide Alumina Vermiculite Iron ore pellets They are also used for roasting a wide variety of sulfide ores prior ....
11 Image of a Sponge Iron Granule 2 12 Microscopic view of sponge iron 4 31 Material Balance in a Rotary Kiln sponge iron plant 14 32 Energy Balance in a Rotary Kiln sponge based iron making 14 33 Schematic of optimised Rotary kiln sponge iron making process 21 41 Industrial view of Sponge Iron making Rotary Kiln 24...
Jul 29, 2010· In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%The mean particle size of iron ore shall be restricted to 11mm in order to achieve uniform Fe metallic of all grain size fraction of the product...
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With such dimension of notion WE in our Sponge Iron Manufacturing process through 4 Kilns (1 * 350T and 3 * 500T) laid up the best DRI making process of India It is Coal Fuel based DRI Coal based Sponge-iron is a metallic product produced through direct reduction of iron ore in the solid state As such it is also known as Direct Reduced Iron ....