material balance of gas based sponge iron

Sponge iron makers urges steel min to ensure raw material ...

Aug 13, 2018· Iron ore and non-coking coal are main raw materials used to produce sponge iron. The minister noted that India''s sponge iron production has grown 25 per cent to .

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Design Modifications for Energy Conservation of Sponge ...

Mar 10, 2011· During the operation in the coal based sponge iron plant, a tremendous amount of heat is generated and significant part of this heat, associated with the waste gas, remains unutilized. It appears worth interesting to modify the process that facilitates the integration of .

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rotary kiln process of making sponge iron | Solution for ...

Nov 12, 2012· Coal : The most critical raw material for sponge iron making. Sponge iron making is a process in which iron ore lumps . for a rotary kiln coal based sponge iron manufacturing process to be successful it is absolutely . 8122424015 9788122424010 Advances Rotary Kiln Sponge Iron Plant . Role of Coal in Rotary Kiln Sponge Iron Making Process 6. Quantity of Protective Char 7.

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Energy-saving DC twin shell arc furnace for melting low ...

which is based on ABB''s proven DC EAF ... assumed that the main charge material would be low-grade scrap (ie, scrap with a low density and/or large amounts of organic impurities), to which smaller amounts of sponge iron, pig iron and similar would be added. Combustion of the fossil fuel and natural residuals contained in pig iron and sponge ...

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States of matter: A simple introduction to solids, liquids ...

A solid lump of iron is much heavier than a glass of water the same size, while a balloon that''s many times bigger seems to weigh nothing at all. Some solids, such as rubber, are very stretchy: you can pull a rubber band to two or three times its length and it will snap straight back to .

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Historical Statistics for Mineral and Material Commodities ...

However, some commodities are still reported in units that represent the physical state of the commodity (million cubic meters for helium, a gas) or an industry market unit (carats for diamonds). Data are reproduced as they were published (after the necessary conversions) for production, shipments, imports, exports, reported and apparent consumption, stocks, and end uses.

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Process analytics in the Iron and Steel Industry - Siemens

Direct reduction is a gas-based iron-making technology, using natural gas instead of coke. The natural gas reacts with CO 2 to CO and H 2. The CO then acts as reducing agent. Smelt reduction technology is a coal-based iron making process. Smelting reduction technology, as the name clearly suggests, involves both solid-state reduction and melting.

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Figure 10:E x-CCGT Energybalanced iagram

c. Ideal Mass balance condition To produce 1 kg of Sponge Iron in ideal condition i.e. with no excess air (flue gas without O 2 & CO). Input: 0.64 kg coal, 1.43 kg Iron Ore, 5.20 Kg of Air Output: 6.206 Kg flue gas, 0.064 Kg (Ash of Coal), 1 kg sponge iron.

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Evaluation of new equipments for utilization of waste heat ...

During the operation in coal-based sponge iron plant, a tremendous amount of heat is generated and a significant part of this heat, associated with the waste gas, remains unutilized. In scenario 1, the feed materials are preheated in a rotary drier with waste gas outside the rotary kiln.

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Modelling and optimization of a rotary kiln direct ...

Modelling and optimization of a rotary kiln direct reduction process 55 Figure 3. Kiln temperature distribution for the base case The feed material (bed) enters the kiln at ambient temperature and rapidly heats up due to the hot gas in the freeboard.

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gas based sponge iron plant using magnetite ore

Sponge Iron in gas based plants, ... iron ore beneficiation plant,iron . Glossary ... - ethesis Energy Balance in a Rotary Kiln sponge based iron making. 14 ... Iron Ore which is an oxidised form of Iron (magnetite ... Technology for Extraction of Sponge Iron from Magnetite Ore - PDF 16 Aug 2011 ...

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Welspun Maxsteel Limited vs Union Of India on 8 July, 2011

It has been decided to give priority to the existing natural gas based sponge iron/steel plants after the sectors prioritized earlier. However, the supply would be made from the production beyond the first 40 mmscmd to be produced from RIL''s KG-D6 field.

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Development of energy conservations scenarios for sponge ...

Jan 16, 2011· This paper presents an approach to find the best modification in the coal-based sponge iron process with an aim to integrate energy in it. For this purpose, a few energy conservation cases are formulated by integrating unutilized energy present in possible areas of process flow sheet.

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Sour gas sweetening - PetroWiki

Iron sponge (Iron Oxide) Iron sponge consists of wood chips that have been impregnated with a hydrated form of iron oxide. The material is placed in a pressure vessel through which the sour gas is flowed. Because this is a batch process, usually two vessels are installed—one in service and the other on standby.

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Pranav Mehta - Chairman - National Solar Energy Federation ...

Received Govt. of India''s prestigious National Metallrgist award for catalytic and pivotal role in establishing India''s First Gas Based Sponge Iron and Steel Plant at Hazira in Gujarat, recieved ...

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The reasons for the success of Sponge Iron Industry in ...

Thus, sponge iron prepared through the reduction of iron ore using non-coking coal or natural gas as reductant was developed as a substitute for ferrous scrap. The consumption of sponge iron by EAF typically range 60-80% as an input with the metallic scrap, hence, easing the demand for steel scrap.

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sponge iron process: 2010

The carbon content in sponge iron produced by coal based rotay kiln processes are generally low and is in the range og 0.08% to 0.20%.The carbon content in gas based processes can be controllrd to a level of 1.5% to 2.0% based on requirement for steel making.

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Tata Sponge Iron Ltd

India has emerged as the world''s largest producer of sponge iron (DRI) in the last few years. Direct Reduced Iron (DRI) is produced mainly through coal based plants (28MT at the end of FY14) and gas based plants (9.6MT at the end of FY14). Coal based plants are located in the mineral-rich states of Chhattisgarh, Odisha and West Bengal, where the

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rotary kiln for sponge iron

Looking forward to the need of developing coal-based sponge iron technology in India, a country having no significant resources of either coking coal or natural gas, the Research and Development Division of the Tata Iron and Steel Company Limited (TISCO) set up a rotary kiln based direct reduction pilot plant in 1975.

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gas based sponge iron plant using magnetite ore

gas based sponge iron plant using magnetite ore. gas based sponge iron plant using magnetite ore How long is the warranty of crusher equipment The guarantee period of .

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International Journal of ChemTech Research

It is seen that the growth of sponge iron industry in last few years is remarkable and today India is the largest producer of sponge iron as it covers 16% of global output1. Sponge iron is produced primarily both by using non-coking coal and natural gas as reductant and therefore classified as coal based and gas based process respectively.

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coal based sponge iron plant using magnetite ore

gas based sponge iron plant using magnetite ore. gas based sponge iron plant using magnetite ore, south africa coal based sponge iron crushergoogle who make sponge iron from coal and iron ore process A coal gas based sponge iron plant using magnetite ore kinea org why magnetite ore not used in coal based sponge iron gas based sponge iron plant ...

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Final Thermal Power Plant Cover - Bureau of Energy Efficiency

Section 6.02 Formula for target setting for Gas based Thermal Power Plant 6 (a) Design Parameters 6 (b) Operating parameters 6 ... Sponge Iron Subsector- Major Product details 159 ... Clinker Factor calculation 165 Table 20: Material and Energy balance of Fertilizer sector 166 Table 21: Material balance of all inputs in Fertilzer sector 169 ...

sponge iron principles

Sponge Iron Production by Direct Reduction of Iron Oxide ... This book provides a fascinating study of the very important emerging field of direct reduction in which iron ore is ''directly reduced'' in the solid-state, using either natural gas or non-coking coal, to produce a highly metallised material, referred to as sponge iron (or direct reduced iron).

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GAS CONTROL

The 235 Series Gas Purifier utilizes a bed of iron sponge as the active media for H 2 S removal. The sponge consists of wood shavings impregnated with a hydrated form of iron oxide (Fe 2 O 3). The wood shavings serve only as a carrier for the iron oxide powder. The sponge is loaded into the vessel, and is supported on wooden pine trays.

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Time Frame it Takes to Melt 1000kg of Cast Iron on A ...

Nov 12, 2013· The time frame melt 1,000 kilograms of cast iron is based on the power supply and kilo watts, learn how long it takes using this equation. The time frame melt 1,000 kilograms of cast iron is based on the power supply and kilo watts, learn how long it takes using this equation. 908-494-0726. Home; About us.

Study on Accretion Formation on DRI kiln during spong .

Study on Accretion Formation on DRI kiln during spong iron production Chandrashekhar shrivas, Himanshu shrivas Abstract---Today is an era of competition, and contrary to this the Iron and steel industries are also suffering from the same. One of the major challenges for sponge iron plant is the Accretion formation. Through this

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Industry Overview: Sponge Iron Industry - Goodreturns

Even in sponge iron route, it is more economical to put up coal-based sponge iron units and not gas-based units. India has an estimated of 200 sponge - iron units, of which more than 100 are coal ...

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Guide to Delivering Gas to Gas Fueled Generator Sets

The two types of gas used are Natural Gas (NG) or Liquefied Petroleum Gas (LPG). To ensure proper operation the gas piping must be installed correctly. This information sheets discussing the advantages of gas, recommends piping sizes and installation procedures.

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rotary kiln process of making sponge iron | Solution for ...

Nov 12, 2012· Coal : The most critical raw material for sponge iron making. Sponge iron making is a process in which iron ore lumps . for a rotary kiln coal based sponge iron manufacturing process to be successful it is absolutely . 8122424015 9788122424010 Advances Rotary Kiln Sponge Iron Plant . Role of Coal in Rotary Kiln Sponge Iron Making Process ...

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Sponge Iron Production by Direct Reduction of Iron Oxide ...

This book provides a fascinating study of the very important emerging field of direct reduction in which iron ore is ''directly reduced'' in the solid-state, using either natural gas or non-coking coal, to produce a highly metallised material, referred to as sponge iron (or direct reduced iron).

Get Price

How to Choose the Right Grate for Your Grill

Learn the pros and cons of steel, porcelain, and cast iron grates. You have a few options when it comes to the material you choose for your grill grate. Learn the pros and cons of steel, porcelain, and cast iron grates. ... The 10 Best Gas Grills Between $1,000 and $2,000 in 2019 The Spruce Eats.

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