tunnle kiln process of sponge iron

Sponge Iron Production From Ore-Coal Composite Pellets in ...

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 cake are directly used for manufacturing of sponge iron in tunnel kilns.

sponge iron rotary kiln process cement

Cement Kiln ballmillfactory Crusher Line 〉 400T/H 500T/H Cement rotary kiln is widely used for calcining cement clinker and there are two types for cement production dry cement kiln and Sponge Iron By Tunnel Process inss.

CASE GROUP

DRI Tunnel Kiln FINES TO SPONGE. FINES TO SPONGE DRI (Direct Reduced Iron) Tunnel Kiln was commissioned on 24 November 2011. CASE gave this technology to India and this was also first of its kind in India. The process has been established now after earlier hiccups.

Reduction Efficiency of Iron Ore–Coal Composite Pellets in ...

Feb 13, 2015· In the year 1908 use of tunnel kiln started for iron oxide reduction. This process was invented by Sieurin as Hoganas process . In 1954, more kilns came into operation in Sweden and USA. Presently it is more popular in China for sponge iron production from beneficiated cake of iron ore fines.

corbothermic reduction of iron in tunnel kiln

tunnel kiln iron oretunnel kiln iron ore reduction. Process Of Iron Reduction In Tunnel Kiln And Rotary Kiln . Reduction of iron ore briquettes into dri in the tunnel goodrich offers third generation tunnel kiln process from china to convert soft iron ore lumps or briquetted iron ore fines into direct reduced iron dri dri or sponge iron is a highquality metallic product and used as a feedstock ...

(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

Ultra-high pressure briquetting of sponge iron fines ...

For cold pressing of sponge iron, specific pressures in the range between 10,000 to 11,000 kgs/cm are required. Sponge iron briquettes can be advantageously used in place of sponge iron fines(0-3 mm size) for melting. With higher density up to 5 grams/cc, they penetrate deeper into the induction furnace / electric arc furnace & melt completely.

tunnel kiln process for sponge iron

Tunnel Sponge Iron Kiln Process - Ketel Service . tunnel sponge iron kiln process . tunnel kiln process sponge iron in south africa. 2016214 · dri iron furnace china machinery YouTube. Feb 14, 2016 Iron was made by smelting iron ore or heating the …

Excellent Sponge Iron Kiln To Deal With Your Sponge Iron ...

Sponge iron kiln's cylinder: The design of the sponge iron rotary kiln cylinder is more reasonable. The cylinder is rolled with a Q235-B steel plate to ensure five mechanical properties, usually with automatic welding. The wall thickness of the cylinder is generally 25 mm, and that of the firing zone is 32 mm.

Tunnel Kiln Process Sponge Iron Technology Consulting Gold

Tunnel Kiln Technology For Sponge Iron Grinding Mill . Tunnel kiln process sponge iron technology consulting,gold tunnel kiln for making of sponge tunnel kiln to make sponge iron case group has set up indias first dri sponge iron unit using tunnel kilnmini integrated steel plant consultant learn moreollution control devices for dri tunnel kiln quarry mining.

tunnel kiln process sponge iron crusher

Tunnel Technology Of Iron Sponge Making -, tunnel technology of iron sponge making - reduction of iron ore from tunnel kiln process New Technology (Tunnel Kiln) to make Sponge Iron /, 22 Nov 2011, The Kiln which is 194m in length, is the Tunnel Kiln Process For Sponge Iron Making .

sponge iron vertical kiln manf process

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 lengthget ...

Tunnle Kiln Process Of Sponge Iron - glasvereiser.de

Pdf Sponge Iron Tunnel Kiln Process . sponge iron production in tunnel kiln 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. the main advantage of tunnel kiln process is the possibility to build small plants with low

Sponge Iron - HIRA - Godawari Power & Ispat Limited

With such dimension of notion WE in our Sponge Iron Manufacturing process through 4 Kilns (1 * 350T and 3 * 500T) laid up the best DRI making process of India. It is Coal Fuel based DRI. Coal based Sponge-iron is a metallic product produced through direct reduction of iron ore in the solid state .As such it is also known as Direct Reduced Iron ...

CASE GROUP - casepl.com

DRI Tunnel Kiln. DRI (Direct Reducted Iron) Tunnel Kiln was commissioned on 24 November 2011. CASE gave this technology to India and this was also first of its kind in India. The process has been established now after earlier hiccups. The process of Tunnel Kiln uses fines of Iron ore and Coal which are mixed together in specified propotions to ...

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 making full process_Coal base DRI - YouTube

Direct reduced iron (DRI), also called sponge iron,[1] is produced from the direct reductionof iron ore (in the form of lumps, pellets, or fines) to iron by ...

tunnel kiln iron ore - ddslsiedlce.pl

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 making process - SlideShare

Nov 09, 2014· Making process iron ore to sponge iron. Making process iron ore to sponge iron . Submit Search. Upload ... 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 ...

SPONGE IRON PRODUCTION FROM ORE -COAL …

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 …

Sponge Iron By Tunnel Process - greenrevolution.org.in

Rotary Kiln Process of Making Sponge Iron C. Rotary Kiln Process of Making Sponge Iron// 13 that the entire production by number 2, 3 and 4 countries is through gas ... Read more sponge iron by tunnel process

tunnelkiln sponge iron

tunnelkiln sponge iron . sponge iron WELCOME TO IGR INDIA. Technology and equipment for production sponge iron from hematite are fines through . nor sintering is offered adopted Tunnel kiln ... Get Price; Patent US2507076 Tunnel kiln Google …

iron sponge technology

Production Sponge Iron Through Tunnel Kiln Process. Tunnel technology of iron sponge making 96g6j Tunnel Kiln For Sponge Iron Production boucheriedujardinbe New Technology Tunnel Kiln to make Sponge Iron Nov 22 2011 CASE Group has set up Indias first DRI Sponge Iron unit using Tunnel Kiln The Kiln which is 194m in length is the longest in India was successfully fire.

calculation on reduction for direct reduced iron in tunnel ...

sponge iron production from ore -coal composite pellets in tunnel kiln. Keywords: Tunnel Kiln, Iron ore-coal composite pellets, Sponge iron, Thermal efficiency, ... products [1-2]. In the year 1908 use of tunnel kiln started for iron oxide reduction. This .... For composite pellets amount of external coal is calculated in. Read more

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 technology for sponge iron

tunnel kiln technology for sponge iron in ireland. tunnel kiln crushing and screening for sponge ironmaking. Although iron powder could be produced in sponge iron tunnel kiln production line and it is the main raw material for powder metallurgy production lin Process In sponge iron production plant by tunnel kiln method after crushing and screening raw materials iron ore coal and limestone are ...

Production of Sponge Iron through Tunnel Kiln Process

Production of Sponge Iron through Tunnel Kiln Process Is there anyone who knows anything about the difficulties of this Process? And why these difficulties occur?

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 …