coal based sponge iron plant pdf
SPONGE IRON PLANT
2018-9-24 · The major quality requirements of coal for Sponge iron production are- 1) Non-coking characteristics 2) Low ash content 3) Low sulphur content 4) Good reactivity 5) High ash fusion temperature 6) Medium volatile matter 1). Non-coking character:- Non-coking coal is required in sponge iron production, since the
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COAL BASED SPONGE IRON PLANT - Confederation of
2018-9-24 · Title: COAL BASED SPONGE IRON PLANT Author: bf Created Date: 11/9/2009 1:20:49 PM
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(PDF) Energy survey of the coal based sponge iron industry
2015-4-20 · 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
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SPONGE IRON INDUSTRY
2020-5-1 · Sponge iron is produced using either coal or natural gas. Since 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 country9. It is not possible to ascertain the exact number of sponge iron plants in India due to non-reporting by
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(PDF) Operation of Coal-Based Sponge Iron Rotary Kiln to ...
Sponge iron is a type of iron produced by coal based or gas-based reduction of iron ore. It is difficult to measure and control the degree of reduction or quality of the iron ore at intermediate ...
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Relationshipbetweenhealth ...
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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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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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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Sponge Iron Factories - Sanhati
2009-5-16 · Till date, as per official figures, about 7000 workers have been employed in 33 large coal based sponge iron units in West Bengal. Of these about 10% are hired against daily wage from nearby localities. Around Rs. 1012 crores are required to produce 100 metric tons per day,
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Energy survey of the coal based sponge iron industry ...
2015-9-1 · In 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.
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COAL BASED SPONGE IRON PLANT - Confederation of
2018-9-24 · Title: COAL BASED SPONGE IRON PLANT Author: bf Created Date: 11/9/2009 1:20:49 PM
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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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(PDF) Dissolution of heavy metals from (ESP) dust of a ...
Coal based sponge iron industries in India generate considerable quantity of solid waste, 40% of which is flue dust produced from the electrostatic precipitator (ESP) connected to rotary kiln.
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Relationshipbetweenhealth ...
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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Jindal Steel & Power Ltd
2014-7-28 · It has the largest coal based sponge iron facility in the world with an installed capacity of 6,50,000 MTPA, using six rotary kilns. Sponge iron was the first production facility at the Raigarh plant, commissioned in 1991. In India, JSPL is the market leader in coal-based sponge iron, enjoying a market share of 22%. A good portion of the
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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
Read More
Sponge Iron Factories - Sanhati
2009-5-16 · Till date, as per official figures, about 7000 workers have been employed in 33 large coal based sponge iron units in West Bengal. Of these about 10% are hired against daily wage from nearby localities. Around Rs. 1012 crores are required to produce 100 metric tons per day,
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ENERGY INTEGRATION IN SPONGE IRON PLANT USING
2012-5-12 · 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:
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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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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
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Jindal Steel & Power Ltd
2014-7-28 · It has the largest coal based sponge iron facility in the world with an installed capacity of 6,50,000 MTPA, using six rotary kilns. Sponge iron was the first production facility at the Raigarh plant, commissioned in 1991. In India, JSPL is the market leader in coal-based sponge iron, enjoying a market share of 22%. A good portion of the
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ENERGY-EFFICIENT TECHNOLOGY OPTIONS FOR DIRECT
2021-8-20 · sponge iron sector, which is dominated by small-sized coal-based direct reduction of iron (DRI)-based plants. India is one of the unique countries in the world where coal-based DRI route contributes to nearly 20% of the total steel capacity in the country. The prominence of DRI route in the country is
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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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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
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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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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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MINISTRY OF STEEL, Direct Reduction GOVT. OF INDIA
2019-12-13 · SAFETY GUIDELINES FOR IRON & STEEL SECTOR MINISTRY OF STEEL, Direct Reduction GOVT. OF INDIA Plant (Coal Based) Doc. No: SG/32 Rev no. : 00 Effective Date: -- 1. OBJECTIVE: The main function of making Sponge Iron in the Kiln is to convert Iron ore into sponge iron by using Iron ore, coal and dolomite / limestone. The Sponge Iron is processed
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DRI UPDATE - Sponge Iron Manufacturer India
2019-4-10 · MICRO INTEGRATED STEEL PLANT 4 Coal Crusher Iron Ore Crusher Sponge Iron (DRI) Kiln MET Coke Cold Briquette Mn Fines Briquette Fluxesi.e. Dolomite, Quartz, Lime stone, etc. Blast Furnace Induction Furnace WHR Boiler AFBC Boiler Power STEAM Generation DOLO-CHAR FLUE GAS POWER SPONGE IRON PIG IRON C C M Rolling Mill FINISHED Products
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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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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 of high grade iron ore which will be established.
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