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Read moreIron Ore, Metallurgy Chemical Sponge Iron Rotary Kiln for Sponge Iron Production Plant . Introduction. Direct-reduced iron (DRI), also called sponge iron, is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal.
Get PriceSponge Iron Composition Manufacturing Process Lloy. Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a selectgrade of ironcoking coal little dolomite inside an inclined rotary kiln and control busted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in finished product ...
Get PriceIn India there are many small rotary kiln furnaces producing DRI, known locally as sponge iron, using coal as energy and reductant source. Some of the sponge iron plants are captive to steel mills, but there is a significant domestic merchant market, India producing 57% of …
Get PriceRotary Kiln Cement Rotary Kiln and Sponge Iron Rotary Kiln. Rotary kiln is a rotating cylindrical vessel which is used for drying, calcination and sintering in a continuous process with the use of hot gases. The hot gases may be generated in an external furnace or by a flame inside the kiln. A study on the accretion formation in DRI kilns and
Get PriceMar 16, 2013· DR process, DRI, HBI, Iron making. Metallization, reformed natural gas, residual elements, Rotary kiln. Direct reduced iron (DRI) is technically defined as iron ore which has been reduced to metal without melting it. Hot briquetted iron (HBI) is a densified form of DRI to facilitate its handling and transport.
Get Pricelarge number of viable design and operating candidates. Introduction Rotary kilns (Figure 1) are used for a range of mineral processing operations. Kilns range in size from 2–6 m in diameter and can be 50–225 m long with an operating mass of up to 3000 t. Two of the most common applications are for cement production and sponge iron production.
Get PriceSponge iron is a metallic product produced through direct reduction of iron ore in the solid state. It is a substitute for scrap and is mainly used in making steel through the secondary route. The process of sponge iron making aims to remove the oxygen from iron ore.
Get PriceInnovative System Design And ... values of output parameters is carried out for a sponge iron production process. ... of production of direct reduced iron in a rotary kiln and induration of wet ...
Get PriceThe coal base DRI rotary kiln process for production of DRI / Sponge Iron has its many parameters to increase the quality as well as productivity which need careful operations through out the process. Number of DRI processes came up and rotary kiln process with solid coal as fuel found to be most acceptable process in the world.
Get PriceBoudouard reaction, dolomite, DRI, Iron ore, metallization, non coking coal, pellets, reduction, Rotary kiln, Sponge iron, Sulphur, Coal based Direct Reduction Rotary Kiln Process . The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials.
Get PriceRotary Kiln Gas Station. India is largest producer of Sponge Iron in the world. Most of this production comes from secondary steel industry using rotary kiln process. The design was initially introduced by Germany but later has been almost completely altered by Indian consultants and technology providers.
Get Pricedesign parameters of rotary kiln for dri sponge iron. 2 D Model of Sponge Iron Rotary Kiln Developed Using CFD. 2 D Model of Sponge Iron Rotary Kiln Developed Using CFD They studied the parameters related to better design of rotary kiln such as smaller inclination angle, medium gas flow rate and low rotational speed in the range of 350, 37 kg/s and 110 rpm respectively [2].
Get PriceThe reduced iron ore i.e. SPONGE IRON from rotary Kiln with other contaminants like non magnetic char/stone pieces gets discharged into a Rotary Cooler at a temperature of 950-1000deg C. The rotary cooler is 2.2 meters in diameter and 50 meters long inclined at 2.5 percent and rotating at 0.8-1.2 rpmThe sensible heat of the matirials will be ...
Get PriceIron Ore: Lump iron ore in the size range of 5-20mm can be used in all coal based rotary kiln processes. In gas based processes 70% iron ore pellets and 30% lump iron ore of 10-30mm are being used. In general high grade iron ore of 65% minimum Fe (total) with less decrepitating characteristics is preferred for use in rotary kiln.
Get PriceSponge iron being magnetic gets attracted and gets separated from non- magnetic char. The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in pre-determined ratio. The rotary kiln is slightly inclined at an angle 2.5 deg and rotated by
Get Priceto production of direct reduced iron (DRI) or sponge iron using the model developed by Runkana et al. (2010). Direct reduction is an alternative route of iron making.
Get PriceKiln Support Roller with Shaft Shrink fitted As per standard design and dimensions for 100 TPD Sponge Iron Plant Rotary Kilns. This material used for Ring Tyre (Kilns Tyres / Riding Ring) in Kilns Shell. This is supporting roller drive system. KILN SUPPORT ROLLER: OD 1000mm, Face 560mm, Bore: 315mm. Material: IS-2708 Grade –II
Get PriceRotary kiln is the primary equipment in sponge iron industry, which is used to reduce iron ore to metallic iron i.e. Fe. It is called sponge iron. Rotary kiln is widely used in cement and steel industries. The production capacities of these industries depend significantly on the performance of rotary kiln.
Get PriceNov 12, 2012· Rotary Kiln Process of Making Sponge Iron; Thermodynamic Considerations: Feasibility of Reaction; Aerodynamics inside a Sponge Iron Rotary Kiln; process making sponge iron rotary kiln animation in south africa … … kiln direct reduction iron (DRI … iron (sponge) that imported from Malaysia, Australia, South Africa, and ...
Get PriceRaw material mix-iron ore, dolomite and coal are fed to one end of rotary Kiln and product sponge iron along with char is taken out from the other end. Apart from this, primary and secondary airs are supplied to the Kiln to initiate the combustion and reaction processes. The reaction takes place at high temp (1050 to 1065˚C ˚C).
Get PriceShanghai GM Mining and Construction Machinery Co., Ltd. is a hi-tech, engineering group. We are specialized in the research, development, and production of industrial crushing, powder grinding, mineral processing equipments and other related devices.
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