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(PDF) Production of Sponge Iron through Tunnel Kiln Process

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

SPONGE IRON PRODUCTION FROM ORE -COAL COMPOSITE

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

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 Kiln which is 194m in length, is the longest in India was successfully fir...

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN

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

Iron Manufacturing process related to the specified

Sponge iron powder . The Höganäs process is a direct reduction method for production of sponge iron powder using magnetite ore (Fe3O4) and carbon as raw materials. The reduction process takes place in a gas fired tunnel kiln at around 1200°C for 60 hours producing a sponge iron

sponge iron through tunnel kiln process Induzin

production sponge iron through tunnel kiln process. production sponge iron through tunnel kiln process Sponge iron production by tunnel kiln method was developed from 1911 as Höganäs method in Sweden After many modifications now this process is a sufficient and effective method for sponge iron production PDF Production of Sponge Iron through Tunnel Kiln Process Get Price.

Sponge iron making process SlideShare

Nov 09, 2014 Making process iron ore to sponge iron. Making process iron ore to sponge iron . SlideShare Explore AIR Secondary air is introduced axially in the direction of the gas flow The air supplied to the length of the kiln is metered for close control of temperature and gas atmosphere in the kiln Heating zone extends from 25% to 40% along length

SPONGE IRON PLANT

Sponge iron being magnetic gets attracted and gets separated from non- magnetic char. The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in pre-determined ratio. The rotary kiln is slightly inclined at an angle 2.5 deg and rotated by

tunnel kiln process for sponge iron making

tunnel kiln process for sponge iron making No posts. No posts. Home. Subscribe to: Posts (Atom) Followers. About Me. T.S.N.RAJU View my complete profile. Awesome Inc. theme.

CN1804049A Tunnel kiln without exterior combustion

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.

Tunnel Kiln Electrotherm Engineering & Technologies

Tunnel Kiln history dates back to 1807 when Hoganas first used this process to produce iron powder of 99.9% purity. When iron ore is mined or processed (in a crusher), lots of fines are generated. Quantity of fines generation is a function of the quality of ore i.e. whether it is hard or soft.

magnetic ore iron reduction process in tunnel kiln sudan

In the year 1908 use of tunnel kiln started for iron oxide reduction. This process was invented by E.Sieurin as Hoganas process. In 1954, more kilns came in operation in SWEDEN and USA. Presently it is more popular in China for sponge iron production from beneficiated iron ore fines cakes. reduction reaction in tunnel kiln process for iron ores

Iron Manufacturing process related to the specified

Sponge iron powder . The Höganäs process is a direct reduction method for production of sponge iron powder using magnetite ore (Fe3O4) and carbon as raw materials. The reduction process takes place in a gas fired tunnel kiln at around 1200°C for 60 hours producing a sponge iron

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION

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

sponge iron through tunnel kiln process Induzin

production sponge iron through tunnel kiln process. production sponge iron through tunnel kiln process Sponge iron production by tunnel kiln method was developed from 1911 as Höganäs method in Sweden After many modifications now this process is a sufficient and effective method for sponge iron production PDF Production of Sponge Iron through Tunnel Kiln Process Get Price.

tunnel kiln for sponge iron production

Although iron powder could be produced in sponge iron tunnel kiln production line and it is the main raw material for powder metallurgy production lines. Process . 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.

SPONGE IRON PLANT

Sponge iron being magnetic gets attracted and gets separated from non- magnetic char. The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in pre-determined ratio. The rotary kiln is slightly inclined at an angle 2.5 deg and rotated by

tunnel kiln process for sponge iron making

tunnel kiln process for sponge iron making No posts. No posts.

sponge iron process

Jul 29, 2010 In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%.The mean particle size of iron ore shall be restricted to 11mm in order to achieve uniform Fe metallic of all grain size fraction of the product.

Sponge Iron an overview ScienceDirect Topics

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

Production Process Of Sponge Iron In Rotary Kiln Grinding

Tunnel Kiln Process For Sponge Iron Making. An energy survey is made on a sponge iron plant in order to identify the keywords sponge iron tunnel kiln energy e ciency exhaust pushing time district.17 feb 2012 a system and continuous process of manufacturing of sponge iron from iron of sponge iron from iron ore fines in a tunnel kiln is. Read More

tunnel kiln process for sponge iron making

Tunnel Kiln Process For Sponge Iron Making in Nigeria TY 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.

Detailed Project Report

3.5.5 Manufacturing process of reducing metallic mineral ore to metal power such as Iron Powder through Tunnel Kiln 59 3.5.6 Process and Process Flow diagram of Mineral Briquetting Plant 66 3.5.7 Manufacturing process of Ferro Alloys Plant 67 3.5.8 Manufacturing process of Semi finished i.e. Billet through Induction furnace based

Tunnel Kiln Electrotherm Engineering & Technologies

Tunnel Kiln history dates back to 1807 when Hoganas first used this process to produce iron powder of 99.9% purity. When iron ore is mined or processed (in a crusher), lots of fines are generated. Quantity of fines generation is a function of the quality of ore i.e. whether it is hard or soft.

CN1804049A Tunnel kiln without exterior combustion

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.

magnetic ore iron reduction process in tunnel kiln sudan

In the year 1908 use of tunnel kiln started for iron oxide reduction. This process was invented by E.Sieurin as Hoganas process. In 1954, more kilns came in operation in SWEDEN and USA. Presently it is more popular in China for sponge iron production from beneficiated iron ore fines cakes. reduction reaction in tunnel kiln process for iron ores

sponge iron through tunnel kiln process Induzin

production sponge iron through tunnel kiln process. production sponge iron through tunnel kiln process Sponge iron production by tunnel kiln method was developed from 1911 as Höganäs method in Sweden After many modifications now this process is a sufficient and effective method for sponge iron production PDF Production of Sponge Iron through Tunnel Kiln Process Get Price.

tunnel kiln for iron making Bed Breakfast Brunch

Tunnel Kiln Process For Sponge Iron Making cz-eu . Sponge iron production by tunnel kiln method was developed from 1911 as Hgans method in Sweden. After many modifications, now this process is a sufficient and effective method for sponge iron production. Get Price And Support Online; Reduction Efficiency of Iron OreCoal Composite .

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION

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

tunnel kiln for sponge iron production

Although iron powder could be produced in sponge iron tunnel kiln production line and it is the main raw material for powder metallurgy production lines. Process . 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.

Production Process Of Sponge Iron In Rotary Kiln Grinding

Tunnel Kiln Process For Sponge Iron Making. An energy survey is made on a sponge iron plant in order to identify the keywords sponge iron tunnel kiln energy e ciency exhaust pushing time district.17 feb 2012 a system and continuous process of manufacturing of sponge iron from iron of sponge iron from iron ore fines in a tunnel kiln is. Read More

tunnel kiln process for sponge iron making

Tunnel Kiln Process For Sponge Iron Making in Nigeria TY 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.

production sponge iron through tunnel kiln process

tunnel kiln process for sponge iron making. tunnel kiln process sponge iron in south africa. Get Price tunnel process of sponge iron making in Processtunnel kiln process + ironIt helps you get all the information you need to trade confidently with tunnel kiln process sponge iron -- Grinding Mill ChinaPosted at: July 24, 2012 Articles

magnetic ore iron reduction process in tunnel klin

tunnle kiln process of sponge iron. tunnel kiln process for sponge iron making tunnel kiln process sponge iron is a leading global manufacturer of crushing and milling equipment WELSPUN STEEL LIMITED Sponge iron is a metallic product produced through direct reduction of iron

Iron and Steel Making Machines Induction Melting Furnace

Reaction time of 42 hours in the Tunnel Kiln provides ample opportunity for the raw material to completely react and this results into superior Fe metallic from the end product; Flow chart of the Tunnel Kiln process is as under; Tunnel Kiln history dates back to 1807 when Hoganas first used this process to produce iron powder of 99.9% purity.

chruser plant for slag sponge iron

Although iron powder could be produced in sponge iron tunnel kiln production line and it is the main raw material for powder metallurgy production lines. Process 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.

Tunnel Kiln Coal Based DRI Plant, टनल किलन in Village

Tunnel Kilns are comfortable with coal fines and mill scale; Uniform product quality; Production cost from Tunnel Kilns is lower than that from rotary kilns; Extremely low on environmental pollution; Other Details: The Research & Development team of Electrotherm has extensively worked upon this process of Sponge Iron making and we have