Jul 29, 2010· We are the largest producer of sponge iron using non coking coal as a reductant and and are having the largest coal based plant in the world. We shall discuss in detail all technical aspects of coal base sponge iron making with particular reference to control of important process parameters to achieve quality sponge iron in this august gathering.
When unutilized energy of the process is properly integrated, energy demand from outside sources can be reduced. It decreases coal consumption as coal is the only source of energy in this plant. For energy integration in sponge iron process pinch technology is applied on the actual data of plant.
process uses coking coal. The DRI process doesn‟t require coking coal and therefore is advantageous. In the present work waste heat recovery system is designed to integrate the heat of waste gas in the sponge iron process. For this purpose a case study of typical sponge iron production process is considered. The waste gas from a sponge iron ...
Oct 14, 2019· India's Sponge Iron: Production: ytd data was reported at 17,169.000 Metric Ton th in Oct 2018. This records an increase from the previous number of 14,849.000 Metric Ton th for Sep 2018. India's Sponge Iron: Production: ytd data is updated monthly, averaging 12,819.000 Metric Ton th from Feb 2007 to Oct 2018, with 141 observations.
International Scholarly Research Notices is a peer-reviewed, Open Access journal covering a wide range of subjects in science, technology, and medicine. ... The rate at which the iron oxide can be reduced to metallic iron is the primary determinant of the rate of production in any reduction process . ... "Sponge Iron Report," 2010, ...
7.3.1 Iron Sponge Process. Hydrogen sulfide scavengers have been used for many years. An example is the iron sponge process or dry box process, which is the oldest and still the most widely used batch process for sweetening of natural gas and natural gas liquids (Duckworth and Geddes, 1965; Anerousis and Whitman, 1984; and Zapffe, 1963).
From a meager production of 1.31 million tonnes of sponge iron in 1991-92 the present production level of sponge iron level jumped to 7.67 million tones in 2002-03 and 10 million tones in 2004-05 and India emerged as the largest producer of Coal based sponge iron in the world since 2001.
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 production …
Jan 17, 2017· we are trying to take a look at the sponge iron industrie, how we making sponge iron by coal based .if you like please subscribe and comment,please comment...
State of direct reduction and reduction smelting processes J. Min. Met. 38 (3 ‡ 4) B (2002) 127 - Providing grounds for the construction of smaller mills with lowest possible investment and production cost. - Securing proper environmental protection. Thus, for instance, the COREX process, which is used for commercial purposes,
Sponge iron process for manned space exploration Final project report June 2005 1 Introduction Reduction of oxidised iron species is a well-established technology utilised in iron metal production. The basic principle applied in this process is to reduce the iron oxides with process.
i) Direct Reduced Iron: Production. ... This product is known as direct reduced iron (DRI) or sponge iron. Processes that produce iron by reduction of iron ore (in solid state) below the melting ...
DRI unit in technical collaboration with world renowned M/s Mannesmann Demag of Germany (CODIR Process). It is the largest coal based sponge iron plant having two kilns of 350TPD each in modular design can able to produce Sponge Iron of 0.225 Million Tons per Annum from Iron Ore.
sponge iron went down upto Rs. 8200/- per ton. Such tumbling of prices hits at the economic viability of the sponge iron sector. Sponge iron industry has made several representations to the competent authorities for changes in policy which will help the sponge iron industry to procure iron ore at a regulated / reasonable price.
account for more than 90% of the world production of iron and steel powders, viz. the Höganäs sponge-iron process and the water-atomizing process. The former process is based on reduction of iron ore, yielding a highly porous sponge-iron which subsequently is comminuted to powder. The latter process is based on atomization of a stream of liquid
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) to iron by a reducing gas or elemental carbon produced from natural gas or coal. Many ores are suitable for direct reduction.
Feb 22, 2016· Need to report the video? ... IRON ORE AND STEEL PRODUCTION - Duration: 7:04. Vincent Ryan 105,329 views. 7:04. DRI, THE SPONGE IRON INDUSTRIE FULL VIDEO - …
Operation and maintenance of Instrumentation and Control systems related to MANESMANN DEMAG CODIR Process Sponge Iron Plant of 2.2 lack tons capacity and a turnover of 100 crores. A leading manufacturer of Sponge Iron in Sothern India with latest state of art technology.
OCL Iron & Steel Limited (NSE: OISL, BSE: 533008) engages in production of steel billets and sponge iron with plants located in iron ore and coal rich East India. The Company has government allocated iron ore mines and coal blocks in proximity. It has tie-ups with the state government for iron …
the price of sponge iron is 1/3 rd of the price of coke. Production scenario India has emerged as the largest producer of sponge iron in the world and stands at a whooping 103 lakh tons in 2004 -05. There are about 249+ coal based sponge iron units and about 3 gas based units in the country. The growth of sponge iron production in India has ...
process of sponge iron by rotary kiln – Grinding Mill China. Posted at: January 5, 2013 . Rotary Kiln Process of Making Sponge Iron The production of steel began in ancient times; but because of the complexity…. Click & Chat Now
Numerical prediction is performed on reduction zone of iron ore reactor which is a part of counter current gas-solid reactor for producing sponge iron. The aim of the present study is to investigate the effect of reduction gas composition and temperature on quality and capacity of sponge iron products through mathematical modeling arrangement and simulation.
In fact, iron is so common that production generally focuses only on ores with very high quantities of it. According to the International Resource Panel's Metal Stocks in Society report, the global stock of iron in use in society is 2200 kg per capita. More-developed countries differ in this respect from less-developed countries (7000–14000 ...
The iron ores, in particular high-grade or upgraded ores, are reduced to sponge iron by extracting the oxygen they contain, thus obtaining a ferrous material that replaces scrap. Iron and Steel Production. The world's pig iron production was 578 million tonnes in 1995 (see figure 73.1). Figure 73.1 World pig iron production in 1995, by regions
Direct Reduced Iron Industrial Efficiency Technology Measures. Direct Reduced Iron (DRI), also known as Sponge Iron, offers an alternative steel production route to BF-BOF and Scrap-EAF routes. In DRI, iron ore is reduced in its solid state – unlike BF process where a liquid metal is formed during reduction.
A DRI production process is one in which the solid metallic iron is obtained directly from solid iron ore without subjecting the ore or the metal to fusion. ... Since DRI is produced by removing oxygen from iron ore, its structure is just like sponge with a network of connecting pores. ... It can be evaluated in the annual report of Midrex ...
Dec 23, 2013· The HYL process was developed by Hojalata y Lamina S.A. (HYLSA) of Monterrey, Mexico in the HYL process, lump ore and fired plates are produced in the fix bed retorts by performed natural gas. The first commercial HYL plant was installed at Monterrey and started production …
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