s natural gas based sponge iron rotary kiln

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Sponge Iron | Gagan Tmt

In a country like India, which does not posses adequate natural gas and abundant non-coking coal bed, the rotary kiln process is the obvious choice for producing sponge iron from their own grade iron ores.

Mining Industry Sponge Iron Rotary Kiln Production Lines ...

Mining Industry Sponge Iron Rotary Kiln Production Lines, Find Complete Details about Mining Industry Sponge Iron Rotary Kiln Production Lines,Rotary Kiln,Sponge Iron Rotary Kiln,Kiln from Cement Making Machinery Supplier or Manufacturer-Henan Hongke Heavy Machinery Co., Ltd. ... What's the fuel being used for the kiln? A:Natural gas,Coal ...

Accretion Control in Sponge Iron Production Kiln using ...

Sponge iron is the product generated by direct reduction of iron ore with aid of either carbon or natural gas under controlled temperatures and pressures within a rotary kiln. However the performance of rotary kilns …

ENERGY INTEGRATION IN SPONGE IRON PLANT USING ... - …

This is to certify that the thesis entitled "Energy integration in sponge iron plant using heat of ... Waste gas from the rotary kiln of the sponge iron plant exits at a temperature around 900 C. ... India- 115 of them are coal based while only 3 are natural gas based. The advantages of sponge iron are:

Simulation of Rotary Kiln Used in Sponge Iron Process ...

Simulation of Rotary Kiln Used in Sponge Iron Process ... Index Terms—Sponge iron process, rotary kiln, temperature profile, artificial neural network. I. ... However, the optimization of process parameters based on the desired output of the industry remains untouched.

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

A Thesis Submitted for Partial Fulfillment of the Degree Award Of MASTER OF TECHNOLOGY In ... 3.2 Energy Balance in a Rotary Kiln sponge based iron making 14 ... of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal. The reducing gas is a mixture majority of hydrogen (H 2

rotary kiln sponge iron pellets natural gas coal

Modeling of Rotary Kiln for Sponge Iron Processing Using ... - ethesis. Energy Balance in a Rotary Kiln sponge based iron making. 14. 3.3 ..... Raw Materials; Iron ore or pellets, reductant natural gas …

Energy Audit Methodology of Sponge Iron Manufacturing ...

Energy Audit, DRI Process, Sponge Iron, Kiln Efficiency, Sankey Diagram of Kiln, Coal Balancing 1. Background of This Study ... rotary Kiln and product sponge iron along with char is taken out from the other end. Apart from this, primary ... 2 level in the flue gas. In other words, air supply should not be in excess than the stoichiometric require-

gas based sponge iron plant using magnetite ore - wibea.org

Direct Reduced Iron, iron ore is reduced in its solid state, Natural gas based DRI production also leads to lower CO 2 emissions, . ... Waste gas from the rotary kiln of the sponge iron plant exits at a temperature around . sponge iron from magnetite iron ore -,

2.5 MTPY DR PLANT (COG + Syngas) based Comparison …

based rotary kilns. GAS Based DRI 76 % World DRI Production Coal-based ... SPONGE IRON - FINES (i) % NON MAGNETIC 1.0 MAXIMUM (ii) % METALLIC Fe 80 MINIMUM (iii) % TOTAL Fe 91 MINIMUM ... 2.5 MTPY DR PLANT (COG + Syngas) based Comparison between MIDREX and …

Rotary Kiln Sponge Iron - alibaba.com

Structures of rotary kiln sponge iron The rotary kiln mainly consists of kiln body, loading device, burning device, unloading device, electronic appliance, dust collector, etc. Different lime kilns have different structures. Their process flow are almost same.But the equipment value has big distinction, of course the results are different.

Direct Reduced Iron and its Production Processes ...

reformed natural gas; residual elements; Rotary kiln; Related Posts. ... Due to it the DRI is also known as sponge iron. ... please I need to know if I could add coal in addition to ore&binder during the formation of pellet for coal-based direct reduced iron. Reply. Leave a Reply Cancel reply.

Case Studies in Thermal Engineering - researchgate.net

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).

Study on Accretion Formation on DRI kiln during spong iron ...

Study on Accretion Formation on DRI kiln during spong iron production Chandrashekhar shrivas, Himanshu shrivas ... when the coal based DRI plant of Sponge Iron India Limited (SIIL) was commissioned at ... 1 technology of Hojalata Y Lamina of S.A. (HYLSA), gas based moving bed technologies of Midrex Corporation of

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

Energy survey of the coal based sponge iron industry. Author links open overlay panel Nishant R. Dey Anil K. Prasad Shravan K. Singh. Show more. ... The major fraction of total energy is lost to the atmosphere through waste gas exiting from the rotary kiln. This fact is used to develop model for coal consumption as shown in Section 3.6.

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

and utilization of waste heat in a coal based sponge iron process Vivek ... natural gas as reductant and therefore classified as coal based ... gas from ESP outlet to rotary kiln an insulated duct, which is a hollow cylinder of 43m length and 0.6m diameter, is used. To

Setting up of modalities for normative coal requirement in ...

Setting up of modalities for normative coal requirement in respect of cement and sponge iron industries Sponsored By ... rotary kiln and in other reactors (IS 11860:1998) ... The contribution of coal based sponge iron to the total production in India has remained above

Manufacturer of SPONGE IRON - BHAGWATI POWER

Manufacturer of SPONGE IRON. ... The reformed natural gas process i.e. by the gaseous reduction of the iron ore. Coal based Rotary Kiln process - Solid Reduction. ... All the gas based plants in operation use natural gas as the reluctant and are all along the HBJ line. The natural gas is under the GAIL control, which is a government ...

2 D Model of Sponge Iron Rotary Kiln Developed Using CFD

inside the kiln, distributions of gas (air)-solid flow, particle size of raw material, ratio of air to coal, combustion of coal, heat ... identified various key issues related to performance of rotary kilns and were simulated based on CFD models. The authors ... A schematic diagram of the rotary kiln of sponge iron process considered for the ...

SEPTEMBER-2012/1 - spongeironindia.in

SEPTEMBER-2012/1 CHAIRMAN'S MESSAGE ... like iron ore, coal and natural gas has been the biggest bottle- neck. Innovative approach is required to counter the ever increasing price of input materials and make the process more efficient. ... (Rotary Kilns) l Gas based DRI (Vertical Shafts)

Tunnel Kiln Technology Sponge Iron Gasbase - aux4vents.eu

brief process of coal based sponge iron rotary kiln. The process of manufacturing sponge iron or DRI is coal based sponge iron technology now The ... product coal gas based sponge iron plant of rotary/tunnel kiln . Chat With Sales. kiln & furnace - high-tech-development. A tunnel kiln is a continuous kiln, ... Sponge Iron .

Gasifier For DRI Rotary Kiln - CASE Group |CASE Coal ...

Gasifier For DRI Rotary Kiln. CASE introduces another first in India by introducing coal gasifier for DRI Rotary Kiln saving tremendous coal used for reduction of Iron Ore. The system could be easily installed in the present setup&is totally PLC controlled Automatic equipment. India is largest producer of Sponge Iron in the world.

gas based sponge iron plant using magnetite ore

Modeling of Rotary Kiln for Sponge Iron Processing Using... - ethesis Energy Balance in a Rotary Kiln sponge based iron making. 14 ... Iron Ore which is an oxidised form of Iron (magnetite (Fe3O4) or hematite (Fe2O3)) is reduced to ... Natural gas combined with little inert gases can be used in direct reduction process to ....

Direct Reduced Iron | Industrial Efficiency Technology ...

Direct Reduced Iron (DRI), also known as Sponge Iron, offers an alternative steel production route to BF-BOF and Scrap-EAF routes. ... Natural gas based DRI production also leads to lower CO 2 emissions, with emissions ranging from 0.77 to 0.92 ton of CO 2 per fon of steel, depending on the type of electricity used. The most common technologies ...

Direct Reduced Iron (DRI) | International Iron Metallics ...

Direct Reduced Iron (DRI) is the product of the direct reduction of iron ore in the solid state by carbon monoxide and hydrogen derived from natural gas or coal. ... In India there are many small rotary kiln furnaces producing DRI, known locally as sponge iron, using coal as energy and reductant source. ...

Sponge Iron Production in Rotary Kiln, A. Sarangi, B ...

Sponge Iron Production in Rotary Kiln - Kindle edition by A. Sarangi, B. Sarangi. Download it once and read it on your Kindle device, PC, phones or tablets. ... Direct-reduced iron (DRI), also called sponge iron, is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or ...

Sponge Iron Composition & Manufacturing Process - Lloyd's ...

The direct reduction process uses palletized iron or natural 'lump' ore. Process. Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a 'select' grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before ...

Conversion of Sponge Iron From Low Grade Iron ore And Mill ...

Conversion of Sponge Iron From Low Grade Iron ore And Mill ... natural gas/ coal. While this is in general more expensive process than reducing the iron ore in the blast furnace, ... Rotary Klin Process Rotary Kiln method is very important for sponge iron production using non-coking coal as a reluctant.