New Technology (Tunnel Kiln) to make Sponge Iron / DRI in ... Nov 23, 2011 CASE Group has set up India's first DRI / Sponge Iron unit using Tunnel Kiln. The

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Keywords: Tunnel Kiln, Iron ore-coal composite pellets, Sponge iron, Thermal efficiency, Carbon utilization efficiency, Percentage metallic iron . 1. INTRODUCTION The tunnel kilns are mostly used by the ceramic industries for heating refractory and ceramic products [1-2]. In the year 1908 use of tunnel kiln started for iron oxide reduction. This

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In sponge iron production plant by tunnel kiln method, after crushing and screening raw materials, iron ore, coal and limestone are mixed and charged in storage bins in certain ratios.By using an automatic charging system, raw materials mix is charged in SiC crucibles. Sponge Iron Tubes, which is used in induction furnaces, has various features, including:

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Tunnel kiln furnace are evolving as an alternative to Rotary kiln process. Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns. The material bed in Tunnel kiln being stationary, it does not require high …

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The production of sponge iron is made by rolling iron oxide sheet, roasting at high temperature in tunnel kiln or rotary kiln, and reducing iron oxide by pulverized coal. The metal conversion rate has an important effect on the quality and production cost of the final reduced iron …

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A wide variety of sponge iron factory options are available to you, such as energy saving, long service life, and high safety level. You can also choose from pakistan sponge iron factory, as well as from welding, cutting sponge iron factory, and whether sponge iron factory is energy & mining, building material shops, or manufacturing plant.

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costs per tone of sponge iron = 150 usd. investment for 200,000 t/y dri briquette sponge iron ... .reitec tunnel kiln briquette sponge iron can be used in arc. stone crusher plant price in india. used crusher for sale in india in hyderabad andhra pradesh india. how to start hauling tipper business in nigeria.

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Massive tunnel kiln starts producing sponge iron A new modern sponge iron plant is inaugurated with a tunnel kiln measuring a whopping 265 metres. 1985. A period of strong growth In the mid 80's, the Metallurgy area experiences strong growth.

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BlackCat News is India's news tycoon and favorite public channel from World IT and Media Research Analysis Wing. World's largest media and information techno...

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From Introduction: "This bulletin presents a general description of methods that have been proposed or tried for production of sponge iron and direct iron."

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Production Process and technology for direct production of Sponge Iron from Iron Ore fines withough any need of either pelletisation nor sintering is offered adopted Tunnel kiln and Hematite Iron ore fines. Shape of produced sponge iron is in form of briquette having better density compared to …

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PDF | On Apr 1, 2010, Swaren Bedarkar and others published Production of Sponge Iron through Tunnel Kiln Process | Find, read and cite all the research you need on ResearchGate

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A wide variety of sponge iron sale options are available to you, such as energy saving, long service life, and high safety level. You can also choose from pakistan sponge iron sale, as well as from welding, cutting sponge iron sale, and whether sponge iron sale is energy & mining, building material shops, or manufacturing plant.

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There is abundance availability of iron ore fines and coal fines, beneficiated iron ore cake and producer gas, which are favourable for manufacturing sponge iron in tunnel kilns. Charging of cold setting iron ore–coal composite pellets or briquettes in place of standard feed material could possibly enhance tunnel kiln productivity and efficiency.

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Sponge iron is formed through the reduction of iron ore to metallic iron through reaction with carbon in the form of coal, etc. at approx. 1100 degree Celsius. Sponge iron is also referred to as direct reduced iron, metalized iron, or hot briquetted iron. Sponge iron is used in the iron and steel industry as a substitute for scrap in induction ...

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The relates coal-base direct reduction process for sponge iron with different shape by tunnel kiln without outer combustion chamber and the combination comprises as shown in abstract figure: to iron concentrate, firing pellet, cooling or compacting; preparing the reducer; blending, loading into retort; entering the kiln; out the kiln; and sorting.

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Today India stands as the largest producer of coal based sponge iron through rotary kiln process using calibrated ore and non coking coal. However, Rotary kiln process suffers from serious limitations like low productivity and pollution. In this respect fixed bed Tunnel kiln furnace are evolving as an alternative to Rotary kiln process. Iron ore fines and the low grade beneficiated iron ore ...

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DRI, also known as sponge iron, is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron, below the melting point of iron and typically in the range of 800–1200 °C. Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron ore lumps, or fines. The reduction takes place using gaseous reductants (CO + H ...

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tunnel sponge iron kiln process - sakthivelfoundations.in. tunnel kiln process sponge iron– Rock Crusher . tunnel kiln process sponge iron is a leading global manufacturer of crushing and milling equipment Production of Sponge Iron through Tunnel Kiln Process . Leave Message Send Inquiry.

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10. The Tunnel Is One of the Busiest Roadways in the Country. The numbers themselves are quite staggering. The Tunnel is 1.5 miles long, 95 feet underwater at …

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Tunnel Kiln Process For Sponge Iron Making in Nigeria - XSM in .. Huanggang Z Kiln&FURNACE Co.,Ltd. Our company has made the sponge iron tunnel kiln and matching refueling system equipment intechnical essence of Hoganas tunnel kiln process. Since 1990 the senior managers of OTSK began to develop the tunnel kiln for sponge iron cooperated. Read more

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Tunnel Kiln Sponge Iron Turnkey Project Get Latest Price . Min. Order / Reference FOB Price 1 Set: US $5,000,000/ Set: Port: Shanghai, China Production Capacity: 10 Sets/Year Payment Terms: ...

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Typical Tunnel Kiln Sponge Iron Technology ( Before being pressed into briquette, the density of sponge iron is about 1.8~1.9 t/m3 ) 3. The third generation of direct reduction combined with melting-separation technology, it includes rotary hearth furnace process and non-crucible reduction kiln process, its product is granular iron ( pig iron ...

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sponge iron by tunnel process. sponge iron by tunnel process. energy survey of the sponge iron process by kristina eriksson and maria larsson department of chemical engineering, lund institute of ...

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sponge iron, so named because the removal of oxygen from iron ore without melting leaves a honeycomb microstructure that resembles a sponge. The sponge iron was made by putting charcoal and iron ore in a shallow hearth, in which intense heat was built up by directing a jet of air at the burn­ ...

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New Technology Tunnel Kiln to make Sponge Iron / DRI in . 23.11.2011 CASE Group has set up India s first DRI / Sponge Iron unit using Tunnel Kiln The Kiln which is 194m in length is the longest in India was successfully fir. Chat Online; Cake Troubleshooting Guide Cake Baking Problems and Solutions

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Sponge Iron By Tunnel Process In South Africa. and sponge iron are all tetrachloride and reduced to titanium sponge Coal Mining Technology In South Africa For Sale ... Detail About. production sponge iron through tunnel kiln process ...

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CASE Group has set up India's first DRI / Sponge Iron unit using Tunnel Kiln. The Kiln which is 194m in length, is the longest in India was successfully fir...

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reduced iron tunnel kiln. By using tunnel kiln to produce DRI is that mix the iron ore concentrate pulverized coal and limestone powder with certain proportion and feed into material drum for being reduction and then put these drums on the kiln car and pushed it into the tunnel kiln when the material drum is heated to 1150℃ for reduction and cooling iron ore concentrate will be reduction and ...

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The pilot project that was setup for 0.1 million Tons P.A capacity under the guidance of Prof. G.G Roy Dept of Metallurgy IIT Khargapur, has been successful and has exceeded all the expectations with the technological breakthrough in the process of Iron ore reduction or Sponge iron manufacturing through a tunnel kiln instead of the conventional ...

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