coal based sponge iron plant pdf

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2018-5-11  Questionnaire (SGRQ)] among coal-based sponge iron plant workers in Barjora. Methods Study This article presents a new analysis of a study conducted among coal-based sponge iron plant workers in Barjora (Bankura district, West Bengal, India) in May and June 2013 to assess their health-related quality of life and respiratory

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Direct Reduced Iron Industry in India — Problems and

2012-12-18  objective of earning higher profits by sponge iron sales. PROBLEMS OF COAL BASED PLANTS About 75% of the sponge iron capacity in India is coal based. While setting up the plants, it has been assumed that iron ore and coal are available easily as India has the fourth largest reserves of iron ore and non-coking coal is available in plenty.

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DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A

2011-5-13  promising availability of coal, the coal based sponge iron plants share the major amount of its production. At present, there are 118 large and small sponge iron plants operating in India, amongst them only 3 are natural gas based and the remaining 115 plants are coal based. With the availability of raw materials, high demand of sponge iron and ...

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EDITORIAL - Sponge Iron Manufacturer India

2019-4-10  Then in 1983, Odisha Sponge Iron Limited set up India’s second coal based DRI plant. The third coal based DRI plant was set up by Tatas in 1985based on their own technology. To push up further growth, DRI industry was de-licensed in 1985 baring certain location restrictions much before the de-licensing and deregulation of Indian economy in 1991.

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Health-related quality-of-life of coal-based sponge iron ...

2014-9-4  A cross-sectional study was conducted among coal-based sponge iron plant workers in Barjora block (Bankura district, West Bengal, India) as shown in figure 1. Participants who gave written informed consent to participate in the study were included, and those who were absent from work on the dates of the survey were excluded.

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Energy survey of the coal based sponge iron industry ...

2015-9-1  A survey is made on a typical coal based Indian sponge iron plant of capacity 500 t/d in order to identify the largest energy losses and find ways to increase the efficiency. The required data are obtained by measurements or taken from production industries. The process efficiency is about 51.31%. The energy balances of the process show that ...

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ARTICLE How and why to value coal-based power plants

2020-9-25  7 Coking coal is used in steel industry whereas non-coking coal is used in sponge iron industry. 8 Includes various pre-project activities based on coal to chemicals initiatives undertaken by the government. 9 Includes coking coal production and imports.

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A Thesis Submitted for Partial Fulfillment of the Degree ...

2012-5-29  requirement of sponge iron production. Today India produce 13.9 million tons of sponge iron, out of which 4.2 million ton is gas based and remaining 9.7 million ton is coal based. India has a proven reserve of 410 million ton of high grade iron ore, another 440 million ton

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DRI UPDATE - Sponge Iron Manufacturer India

2020-12-3  of rotary kiln based plant. 3. Product suits best steel making qualities. 4. DRI fines (-5mm) generated is 5%. Thus, Loss in SMS are less due to low % of fines. 5. - Sulphur content in DRI is in range of 0.003-0.01% which is very low. 6. Average Metallization is 92-94% COAL BASED 1. Prone to Pollution 2. High Energy Requirement. 3.

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OPERATIONAL ASPECTS OF SPONGE IRON

2012-1-10  1. Krupp Sponge Iron Process The Krupp. Sponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets (Fig. 1). The feed is introduced together with reducing and de-sulphurizing agents (lime-stone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge ...

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Development of energy conservations scenarios for

2011-1-16  Coal based sponge iron plant: a conventional process. The process flow diagram of conventional coal-based sponge iron plant is shown in Fig. 1. The operating data shown in Fig. 1 is taken from a typical Indian sponge iron plant. In the conventional process kiln feed, which consists of iron ore, feed coal, and dolomite, is fed to the rotary kiln.

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Energy Audit Methodology of Sponge Iron

2014-9-15  A. Choudhury 45 2Fe 2O 3 (320) + 6CO (168) = 4Fe (224) + 6CO 2 (264) [2]. The figures in the bracket indicate the weight of the reactants and products. From the above equations we get 72 Kg carbon or 144 Kg coal + 96 Kg O 2 or 417 Kg air + 320 Kg ore reacts to gene rate 224 Kg of sponge iron 264 Kg of CO 2.Or in other words, to produce 1 Kg of pure sponge iron the stoichiometric

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EDITORIAL - Sponge Iron Manufacturer India

2019-4-10  Then in 1983, Odisha Sponge Iron Limited set up India’s second coal based DRI plant. The third coal based DRI plant was set up by Tatas in 1985based on their own technology. To push up further growth, DRI industry was de-licensed in 1985 baring certain location restrictions much before the de-licensing and deregulation of Indian economy in 1991.

More

ENERGY INTEGRATION IN SPONGE IRON PLANT USING

2017-2-1  Sponge iron is produced primarily both by using non coking coal and natural gas as reductant and therefore classified as coal based and natural gas process respectively. Presently, there are 118 large and small sponge iron plants in India- 115 of them are coal based while only 3 are natural gas based. The advantages of sponge iron are:

More

Development of energy conservations scenarios for

2011-1-16  Coal based sponge iron plant: a conventional process. The process flow diagram of conventional coal-based sponge iron plant is shown in Fig. 1. The operating data shown in Fig. 1 is taken from a typical Indian sponge iron plant. In the conventional process kiln feed, which consists of iron ore, feed coal, and dolomite, is fed to the rotary kiln.

More

Productivity Increment of Coal based Sponge Iron Plant ...

Objective: A typical coal based sponge iron plant is investigated to utilized waste heat to preheat the feed coal and air as well as increase the productivity of sponge iron by applying heat integration using simulation process.Methods: In the present work, utilized waste heat to preheat the feed coal and air, heat integration process using modified pinch approach is applied and to increase ...

More

ARTICLE How and why to value coal-based power plants

2020-9-25  7 Coking coal is used in steel industry whereas non-coking coal is used in sponge iron industry. 8 Includes various pre-project activities based on coal to chemicals initiatives undertaken by the government. 9 Includes coking coal production and imports.

More

OPERATIONAL ASPECTS OF SPONGE IRON

2012-1-10  1. Krupp Sponge Iron Process The Krupp. Sponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets (Fig. 1). The feed is introduced together with reducing and de-sulphurizing agents (lime-stone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge ...

More

Energy Management Practices at Tata Sponge

2016-12-21  As an energy intense manufacturer of Sponge Iron through Coal based DRI ... agencies to improve thermal energy efficiency of the plant. 1) Working further with supplier to improve life of the paint to reduce the radiation loss. 2) Exploring technological options (Oxygen Enrichment) to improve utilization ...

More

Energy Audit Methodology of Sponge Iron

2014-9-15  A. Choudhury 45 2Fe 2O 3 (320) + 6CO (168) = 4Fe (224) + 6CO 2 (264) [2]. The figures in the bracket indicate the weight of the reactants and products. From the above equations we get 72 Kg carbon or 144 Kg coal + 96 Kg O 2 or 417 Kg air + 320 Kg ore reacts to gene rate 224 Kg of sponge iron 264 Kg of CO 2.Or in other words, to produce 1 Kg of pure sponge iron the stoichiometric

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Direct Reduced Iron (DRI) Production Plant

2021-2-17  and coal gas refined in coal gasifiers, as well as widely-used natural gas, may be used as reducing gases. u NSENGI, Tenova-HYL and Danieli concluded a strategic alliance agreement for the joint development of DRI steel production plant and expansion of the market of DRI in September 2013. Direct Reduced Iron (DRI) Production Plant

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Mr.A.C.R.Das Ministry of Steel PDF Coke (Fuel) Coal

2014-6-13  Structure of Iron Steel Industry in India Type of Plant Number of Units Total Capacity (million tonnes per year) BF-BOF based Integrated Steel Plant 8 29.997 EAF Based Integrated Steel Plant 3 10.600 EIF based plant 1170 28.833 EAF/ EOF based mini steel plant 37+2 9.500 Gas Based DRI plant 3 8.000 Coal Based DRI plant 418 26.600 Mini BF based ...

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Recovery and utilization of waste heat in a coal based ...

2012-10-4  Sponge generation iron plant Design of modifications Payback period a b s t r a c t The present work is an attempt to conserve energy in coal based sponge iron industry incorporating certain design modifications without disturbing the process technology. A typical sponge iron plant has

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Monnet Ispat Energy Limited (MIEL)

2021-7-3  1050 MW coal based power plant 87.5% (Rs 701 Cr*) • Lenders have initiated change in management proposal for MPCL and EoI have been received from the interested bidders; • Return on investment made by MIEL shall be negligible. (Detailed as per Annexure IV) Orissa Sponge Iron and Steel Limited Iron ore mine with DRI plant in Odisha 35.17%

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Recovery and utilization of waste heat in a coal based ...

2012-10-4  Sponge generation iron plant Design of modifications Payback period a b s t r a c t The present work is an attempt to conserve energy in coal based sponge iron industry incorporating certain design modifications without disturbing the process technology. A typical sponge iron plant has

More

Setting up of modalities for normative coal requirement

2021-7-20  The contribution of coal based sponge iron to the total production in India has remained above 60 per cent since 2004-05. The contribution of coal based sponge iron has been on the rise. From about 8 MT in 2004-05, contributing 63 per cent to the total production, it has grown to

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STUDIES ON POLLUTION CONTROL IN IRON BASED

2020-5-22  Sponge Iron plants. Since non coking coal is available in India, the sector largely depends on coal based sponge iron which contributes about 80 per cent of the total capacity in the country. Today, India has an installed capacity of 36.7 MTPA of sponge iron. Leading states in sponge iron production are Odisha, Chhattisgarh, West Bengal and ...

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ENERGY INTEGRATION IN SPONGE IRON PLANT USING

2017-2-1  Sponge iron is produced primarily both by using non coking coal and natural gas as reductant and therefore classified as coal based and natural gas process respectively. Presently, there are 118 large and small sponge iron plants in India- 115 of them are coal based while only 3 are natural gas based. The advantages of sponge iron are:

More

Productivity Increment of Coal based Sponge Iron Plant ...

Objective: A typical coal based sponge iron plant is investigated to utilized waste heat to preheat the feed coal and air as well as increase the productivity of sponge iron by applying heat integration using simulation process.Methods: In the present work, utilized waste heat to preheat the feed coal and air, heat integration process using modified pinch approach is applied and to increase ...

More

STUDIES ON POLLUTION CONTROL IN SPONGE IRON

2016-4-11  Keywords-Sponge Iron, Emissions, Wastes. I. INTRODUCTION India is the world’s largest producer of sponge iron, accounting for 13 per cent of the global production8. Sponge iron is produced using either coal or natural gas. Since non coking coal is available in India, the sector largely depends on coal based sponge iron

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Energy Management Practices at Tata Sponge

2016-12-21  As an energy intense manufacturer of Sponge Iron through Coal based DRI ... agencies to improve thermal energy efficiency of the plant. 1) Working further with supplier to improve life of the paint to reduce the radiation loss. 2) Exploring technological options (Oxygen Enrichment) to improve utilization ...

More

INFORMATION HANDBOOK ON THERMAL POWER PLANTS

2021-5-7  Coal Quality and Availability in India Based on its calorific value, coal is classified as Coking Coal Non-coking Coal. Coking coal is mainly used in metallurgy, steel, cement and sponge iron industries. The largest part of the coal resources of the country is non-coking coal. Coal is classified into seven grades from A to G.

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Monnet Ispat Energy Limited (MIEL)

2021-7-3  1050 MW coal based power plant 87.5% (Rs 701 Cr*) • Lenders have initiated change in management proposal for MPCL and EoI have been received from the interested bidders; • Return on investment made by MIEL shall be negligible. (Detailed as per Annexure IV) Orissa Sponge Iron and Steel Limited Iron ore mine with DRI plant in Odisha 35.17%

More

Mr.A.C.R.Das Ministry of Steel PDF Coke (Fuel) Coal

2014-6-13  Structure of Iron Steel Industry in India Type of Plant Number of Units Total Capacity (million tonnes per year) BF-BOF based Integrated Steel Plant 8 29.997 EAF Based Integrated Steel Plant 3 10.600 EIF based plant 1170 28.833 EAF/ EOF based mini steel plant 37+2 9.500 Gas Based DRI plant 3 8.000 Coal Based DRI plant 418 26.600 Mini BF based ...

More

Health-related quality-of-life of coal-based sponge iron ...

2014-9-4  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 ...

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Iranian PERED Technology Based Sponge Iron Plant

2021-7-27  Iranian PERED Technology Based Sponge Iron Plant Launched in China. Tehran Times reported that Iranian Mines and Mining Industries Development

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