Use of sponge iron in electric arc furnaces
Sponge iron is a valuable feedstock for the electric arc furnace because of its low residual content, easy handling and uniform quality. Steels with low residuals specifications are easily
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Sponge iron is a valuable feedstock for the electric arc furnace because of its low residual content, easy handling and uniform quality. Steels with low residuals specifications are easily
coal and air quantities. @DOI: 10.1115/1.1577601# Introduction One of the avenues for increasing the productivity of the iron and steel sector lies in establishment of the rotary kiln based DR plant for sponge iron making, requiring less costly and abundantly available noncoking coal. Hence, the establishment of
25-10-2013· From 2003, coal based sponge iron route dominated because of limited availability of natural gas and fast growing demand of metallics. In fact, no gas based sponge iron/HBI plant came up after 1994 (19 years). During 2003-2008, there had been a rapid growth of coal based sponge iron
India is the largest producer of sponge iron in the world with the coal-based route accounting for 90% of total sponge iron production in the country. Data on production for the sale of pig iron, sponge iron and total finished steel (alloy + non-alloy) are given below for last five years. Production (in million tonnes) Category 2010-11 2011-12
Coal, which likely last for another 200 years or so India is in an adventitious for coal based Sponge Iron plants. The total gross reserves of coking and non coking coal in India are approximately 11,602 and 71,400 million tons respectively. From this prospective, the
Objectives During the last decade, coal-based sponge iron plants, a highly polluted industry, have grown rapidly in Barjora, India. Understanding their workers' perception of health is essential in people-centered healthcare. The aim of the study was to assess their health-related quality-of-life (HRQoL), and to determine factors that independently predict their HRQoL.
Bravo Sponge Iron Pvt. Ltd. Project Feasibility Report for Expansion project Chapter 02 1 | of P a g e 3 2.0 INDUSTRY SCEANARIO 2.1 IMPORTANCE OF THE PROJECT TO THE COUNTRY AND REGION: All the products proposed to be manufactured have high market demand.
(iii) Sponge Iron: India, world's 2nd largest producer of sponge iron (2016, prov.), has a host of coal based units located in the mineral-rich states of the country. Over the years, the coal based route has emerged as a key contributor and accounted for 79% of total sponge iron production in the country.
In coal based sponge iron kilns, depending on the quality of reductant (coal) used, about 60% of the total heat input is utilised in the reduction process. About 40% of the heat input is discharged with the kiln waste gases and the kiln materials in the form of sensible or chemical heat.
India is the largest producer of sponge iron in the world with the coal-based route accounting for 90% of total sponge iron production in the country. Data on production for the sale of pig iron, sponge iron and total finished steel (alloy + non-alloy) are given below for last five years. Production (in million tonnes) Category 2010-11 2011-12
Sponge iron is the product created when iron ore is reduced to metallic iron, in the presence of coal, at temperatures below the melting point of iron. The external shape of the ore is retained with 30% reduction in weight due to oxide reduction resulting in change in
Sponge Iron: India, world's largest producer of sponge iron (2018), has a host of coal based units located in the mineral-rich states of the country. Over the years, the coal based route has emerged as a key contributor and accounted for 79% of total sponge iron production in the country.
Prakash Industries Ltd., is producing Sponge Iron from Rotary Kilns based on SL/RN technology of Lurgi, Germany.. The technology is coal based and the waste gases of the Rotary Kilns are utilized for generation of power in Power Cogeneration plant.
Thus, the sector depends mostly on coal-based sponge iron and nearly 80% of the total coal-based sponge iron plants are located in India. 1 About 60% of this production comes from small-scale industries in the unorganised sector with poor pollution control facilities. 1 During the past decade, these sponge iron plants have rapidly grown in the Barjora block of Bankura district, a deprived
Bravo Sponge Iron Pvt. Ltd. Project Feasibility Report for Expansion project Chapter 02 1 | of P a g e 3 2.0 INDUSTRY SCEANARIO 2.1 IMPORTANCE OF THE PROJECT TO THE COUNTRY AND REGION: All the products proposed to be manufactured have high market demand.
Sponge iron making process 1. ALBERTUS SEPTYANTOKO 2712100014 2. IRON ORE • Iron = 65-67 % • SiO2 + Al2O3 = 2-3 % • CaO + MgO = 0,5-1 % • Sulphur = 0,02 % max • Phosphorus = 0,04 % max Chemical Composition • Size = 5-18 mm • Shatter Index = +95 % • Tumbler index = +88 % • Reducibility Index = +94 % • Thermal Degradation Index = 5 % Physical Composition
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
30-08-2020· Coal being the costliest raw materials for sponge iron making and if very high volatile material (VM) coals are used i.e. N.R. Dey et al. / Case Studies in Thermal Engineering 6
ADVERTISEMENTS: The first public sector sponge iron unit, the Sponge Iron India Limited (SIIL) was set up at Palvancha, near Kothagudem in Andhra Pradesh using coal from Singareni coalfield in 1981. It took over a decade to popularise sponge iron as a substitute to metallic scrap in mini steel plants with electric arc furnaces. Related []
Sponge Iron. India is the world's largest producer of sponge iron, most of which is produced primarily through the coal based method of production. Growth in the sponge iron production can be attributed largely to the popularity of secondary steelmaking route, which has shown a phenomenal growth in India.