Sponge Iron, also known as Direct Reduced Iron is produced from Hematite Iron ore (5 to 18 mm size) by removing the oxygen by direct reduction process using non coking coal as the fuel and reducing agent in Rotary Kiln.
WhatsApp: +86 18221755073The 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. Strength and granulometry are …
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WhatsApp: +86 18221755073A review of the resource utilisation and waste generation potential of direct reduced iron plant reveals that the specific raw material consumption of iron ore is 1.6 tonne/tonne direct reduced ...
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WhatsApp: +86 18221755073The operating data, shown in Fig. 1, is taken from a typical Indian coal based sponge iron plant where iron ore, feed coal and dolomite are fed to the rotary kiln. A separate conveyor collects different size fractions of coal for injection into the kiln with the help of pressurized air from discharge end side.
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WhatsApp: +86 18221755073The role of kiln is to convert the raw material (iron ore, coal and dolomite) into the sponge iron [8]. Detail reaction mechanism of the process is discussed below: There are two reduction reactions. First reaction converts iron ore to iron oxide which further reacts with CO to produce metallic iron (Fe) which is called sponge iron.
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WhatsApp: +86 18221755073This plant had a 12 m length refractory lined rotary kiln of 8 t/day iron ore throughput capacity. Kiln operation was optimised to achieve more than 90% metallisation of sponge iron using ore–coal composite pellets.
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WhatsApp: +86 18221755073Our Sponge Iron Rotary Kiln Simulator is a tool based on a fundamental mathematical model for direct reduction of iron ore … the plant in an optimized manner. » More detailed! Advances In …
WhatsApp: +86 18221755073equations on the basis of plant operational data. 1. INTRODUCTION Pressure inside a coal fired sponge iron rotary kiln depends on several operating parameters such as coal injection rate, ore feed ...
WhatsApp: +86 18221755073India is the largest producer of direct reduction of iron (DRI), popularly known as sponge iron and accounted for about 39.3% of the global production in 2020. India's growing economy will require an increase in steel production to meet the demands of sectors such as housing and infrastructure, automobile, engineering, etc.
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WhatsApp: +86 18221755073The operating data, shown in Fig. 1, is taken from a typical Indian coal based sponge iron plant where iron ore, feed coal and dolomite are fed to the rotary kiln. A separate conveyor collects …
WhatsApp: +86 18221755073The 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 …
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WhatsApp: +86 182217550731.4.1 Sponge Iron (DRI) Refractory lined rotary kilns will be used for reduction of iron ore in solid state. A central Burner located at the discharge end will be used for initial heating of the kiln. …
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WhatsApp: +86 18221755073In conventional coal based sponge iron plant, Fig. 1, kiln feed (Stream no. 1), which consists of iron ore, feed coal and dolomite, is fed to the rotary kiln (RK).A separate conveyor collects different size fractions of coal (Stream no. 5) for injection into the kiln with the help of pressurized air (Stream no. 4) from discharge end side.
WhatsApp: +86 18221755073In book: Encyclopedia of Iron, Steel, and Their Alloys (pp.pp 1082-1108) Chapter: i) Direct Reduced Iron: Production; Publisher: CRC Press, Taylor and Francis Group, New York.
WhatsApp: +86 18221755073Sponge iron, Rotary Kiln INTRODUCTION Sponge iron is the final product of coal fired rotary kilns. The schematic diagram in Fig. 1 describes the unit processes involved in a sponge iron a ...
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WhatsApp: +86 18221755073In this study, the goal is to apply the methodology to production of direct reduced iron (DRI) or sponge iron using the model developed by Runkana et al. (2010). Direct reduction is an alternative ...
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WhatsApp: +86 182217550731.4.1 Sponge Iron (DRI) Refractory lined rotary kilns will be used for reduction of iron ore in solid state. A central Burner located at the discharge end will be used for initial heating of the kiln. Iron ore will be continuously fed into the kiln along with coal which has dual role of …
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