high tech energy saving rotary kiln sponge iron

Different processes of Sponge Iron production – A - ResearchGate

This paper deals with the sponge iron production using various processes. the energy requirement for the reduction reaction is also supplied by a part of the reductant. For high kiln efficiency the reheated zone is made as short as possible A unique feature of CODIR technology is the counter-current injection of 

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Sponge Iron Technology - LinkedIn

Nov 29, 2016 and rotary kiln ironmaking process, its product is sponge iron, the feature of Rotary hearth furnace process with direct reduction technology also can energy-saving, high automation degree and low production cost, it is 

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2015 Use of Coke Oven Gas during shutdown period of Direct

1M Tech Scholar, Department of Mechanical Engineering, Indira Gandhi process, which extracts high metallic solid iron by removing oxygen from iron ore or any .. Choudhary B. R., Selection of Coals for Rotary Kiln Sponge Iron Plant, Trans. S. R. and Rau V. G., Some Studies on Energy Savings in Sponge Iron Plants, 

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Productivity Increment of Coal based Sponge Iron Plant using

well as increase the productivity of sponge iron by applying heat integration using simulation process. Findings: Some of the cases from literature based on pinch technology . ume of material waste, high volume of rejects and rework . Step 2: Mass balance around Rotary Kiln, Dust Settling . Energy Efficiency. 2014 

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High-tech Energy Saving Rotary Kiln Sponge Iron - Buy Rotary Kiln

High-tech energy saving rotary kiln sponge iron. Introduction of High-tech energy saving rotary kiln sponge iron. 1. Rotary kiln have the highest quality, with the 

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Waste Heat Recovery Steam Generator in Sponge Iron Plant

Abbreviations—Bureau of Energy Efficiency (BEE), Clean Development Mechanism (CDM), Electro Energy intensity in Indian industries is high when compared Technology, Rourkela. Waste gas from the rotary kiln of the sponge iron plant.

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Sponge Iron Industry - Central Pollution Control Board

Mar 20, 2007 2.5 : Technology & Capacity-wise Sponge Iron Plants in India. 15. 6. 4.1 Name pollution control and to enhance production and energy efficiency development of the blast furnace, which produced high carbon pig iron, direct . namely coal based rotary kilns and gas based shaft furnace reactors. The.

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Modeling of Rotary Kiln for Sponge Iron Processing - Academia.edu

India has a proven reserve of 410 million ton of high grade iron ore, another 440 million ton to a waiting electric arc furnace to be charged and thereby saving energy. Computational fluid Dynamics is one of the emerging technology used for . Energy Balance in a Rotary Kiln sponge based iron making [15] IRON ORE 

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DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A SPONGE

of Chemical Engineering, National Institute of Technology, Rourkela is a record of bonafide 2.4 Utilisation of waste heat of flue gas is sponge iron plant . proper integration techniques, non-optimal process parameters, high energy consumption and . The air inlets are positioned towards the inlet end of rotary kiln.

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Modeling of Rotary Kiln for Sponge Iron Processing - Academia.edu

India has a proven reserve of 410 million ton of high grade iron ore, another 440 million ton to a waiting electric arc furnace to be charged and thereby saving energy. Computational fluid Dynamics is one of the emerging technology used for . Energy Balance in a Rotary Kiln sponge based iron making [15] IRON ORE 

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Patent WO2014111901A2 - An efficient process in the production of

Jul 24, 2014 The method converts and upgrades low grade iron ore to high grade iron ore by dry [004] In the existing technology of manufacturing iron or steel using Direct [006] Various rotary kiln processes for production of sponge iron are The direct reduction process is intrinsically more energy efficient than the 

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Modeling of Rotary Cement Kilns: Applications to Reduction in

Mar 1, 2006 Rotary cement kilns are used for converting calcineous raw meal into cement clinkers. In this paper, we discuss and evaluate possible ways of 

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Schedule - Association for Iron & Steel Technology

The breakthrough technologies are: (1) charging high-carbon DRI and by application of the energy saving facilities of NSENGI; and (3) combination of coal . Difficulties in rotary kiln and rotary hearth operations originate from the qualities of heat. . Technology) to investigate the possibility of hydrogen based sponge iron 

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Cold bonded ore–coal composite pellets for sponge ironmaking Part

sponge ironmaking technology using lump iron ore, simultaneously. 8 t/day rotary kiln sponge iron plant giving. University Gas based shaft processes are more efficient, but their (ii) high energy consumption of ~21–25 GJ t−1 of sponge 

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Waste Heat Recovery for Rotary Kiln Direct Reduction | Industrial

In this technology, DRI is produced in a rotary kiln of 3-6 m diameter and ~ 85 Sponge iron is discharged from the kiln at approximately 800 -1000°C. Off of which represents the biggest opportunity for improving energy efficiency in this process. However, CO2 and particulate matter emissions of the technology is high 

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Recovery and utilization of waste heat in a coal based sponge iron

iron exiting rotary kiln and further hot water is used to preheat air. To compute coal direct reduction technology has emerged as a potential process for iron and steel With the availability of raw materials, high demand of sponge iron and less of sponge iron process and showed that the process is 40% energy efficient.

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Rotary Kiln Process of Making Sponge Iron - New Age International

2.2 A concise schematic representation of a rotary kiln sponge iron plant pellets technology, which improves lower energy consumption and higher .. efficiency. The stored energy in sponge iron is about 1.7 GCal per tonne, while energy 

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Direct Reduced Iron Industry in India — Problems - [email protected]

Consultant (Mineral Processing, Iron & Steel Technology and Engineering) Further, energy consumption wise, the coal based sponge iron plants are not efficient Coal based rotary kiln sponge iron plants have mushroomed in India mainly in other states mainly due to relatively low investment costs, scarcity and high 

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Simulation of Rotary Kiln Used in Sponge Iron Process Using - IJET

Index Terms—Sponge iron process, rotary kiln, temperature profile, artificial neural parameters, high energy consumption and old running process technology 

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Coal Based Sponge Iron Industry - A Prime Mover to - Steelworld

Power : The initial plants were high power consuming units due mainly to the wet In coal based sponge iron technology, the furnace (rotary kiln) fulfils various gas and char produced thus contain considerable energy saving potentials.

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A Study of Energy Efficiency in the Indian Iron and Steel - cstep

Center for Study of Science, Technology and Policy (CSTEP) is a not for profit energy consumption at some of the Indian plants is 50 percent higher than the . in eight sample plants from the Integrated Steel Plant (ISP) and Sponge Iron (SI).

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Reducing CO2 emissions from heavy industry - Imperial College

Mar 16, 2011 share (>70%) of emissions, i.e. iron and steel, cement and There is therefore no single technology on which to focus Adoption of energy efficient technologies – specific or generic Due to the high temperatures inside industrial reactors .. replaced by the rotary kiln, a large number are still in operation.

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Simulation of Rotary Kiln Used in Sponge Iron Process Using - IJET

Index Terms—Sponge iron process, rotary kiln, temperature profile, artificial neural parameters, high energy consumption and old running process technology 

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Orrisa (Sponge Iron) - Sameeeksha

The Bureau of Energy Efficiency (BEE) – SME Program . . Technology Gap Analysis in Sponge Iron Cluster . . Table: 3.6 Technical Specification of Preheating Rotary kiln of Raw material heating .40. Table 3.7 Cost The size of coal procured for the suppliers are higher than the required size to feed into the kiln.

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