companies like jspl and Ms heg ltd. sale the surplus amount energy to state electric board. fig: .33.: schematic of optimised rotary kiln sponge iron making process. iron ore and non coking coal along with dolomite are fed continuously to the charge end of rotary kiln
simulation of rotary kiln used in sponge iron process using ann iacsit international journal of engineering and technology, vol. no. april 2014 doi: 10.jet.2014..673 abstractin the present study, estimation of actual output parameters is carried out for a sponge iron production process
3.3 schematic of optimised rotary kiln sponge iron making process 4.1 industrial view of sponge iron making rotary kiln 4.2 schematic view of internal heat exchange in rotary kiln 4.3 schematic view of lobe blower. 4.4 schematic view of air & material flow in rotary kiln 4.5 filling of bed geometry
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.
ed, sima requested the participants to volunteer to spare their rotary kiln for carrying out the r&d for exploring the use of syn gas in the rotary kiln. mr. srinivasa rao, md, balajiswamy premium steels pvt ltd offered his PD kiln for this purpose. presentation from tata sponge iron ltd was very much liked and lot of the people showed
discussion is restricted to the rotary kiln process only. normally, the rotary kiln is 60125 long a in diameter and the ratio is about 1520.
the kiln model applied in this work was developed by hatch over a number of years and has been used for several rotary kiln projects. It has its roots in a fortran program that was developed by venkateswaran to study the reduction of iron ore. the original software was used to model the operation of a pilot kiln at the stellco company
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 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
nov 17, 2012 raw dri process materials, partly coal, iron ore, after burn flue gas chamber fluxes enter the rotary kiln the remainder rotary kiln coal in 2.5% slo and 0.47 rp pe powdered form sp and hot air is charged preheating solid iron and zone or unburnt char,combustion zone lime is where coal is heated discharged cooler discharge and product
rotary kiln process Of making sponge iron. process of sponge iron by rotary kiln grinding mill china posted at january 2013 rotary kiln process of making sponge iron the production of steel began in ancient times. get price
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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
orissa sponge iron and steel ltd. plant facilities. sponge iron plant. As on 31.03.2011, osil has the following production facilities at the plant: the main plant consists of a mtr. dia mtr. long ported rotary kin and 4.8 mtr. dia mtr.long ported rotary kin equipped with air injection system to provide for generation of necessary heat and reducing atmosphere required for the
about us- micro integrated steel plant 004 tpd sponge iron kilns 010 micro blast furnace 011 cold briquetting unit 018 MW power plant based on whrb & afbc 018 nos. induction furnace 020 continuous caster-hot charging-rolling mill
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primary producers are those who have fully integrated plants In india there are mainly primary producers of tmt bars which are as follows:- sail: vizag tata: jindal
sponge iron plants in odisha, india. description: since 2002, india has been the largest producer of sponge iron, also called direct reduced iron in the world. today about per cent of the sponge iron produced worldwide is made in india most of it is produced primarily through the coal based method of production.
through a static klin reduction process the iron ore is then transformed into high quality sponge iron. this is then briquetted into cylindrical shape for easy melting in steel shops. At sangam steel we also house a beneficiation plant with a capacity of 2000 tons per day that produces high quality iron ore.
gut no. to 63, village-daregaon, adjacent to midc phase ii, taluka-jalna district jalna, maharashtra. july, 2019 pre feasibility report for proposed production of MS billets alloys billets -6,00,000 tpa, tmt barsms structural 6,00 ,000 tpa and
the process of sponge iron making aims to remove the oxygen from iron ore. the quality of sponge iron is primarily ascertained by the percentage of metallization which is the ratio of metallic iron to the total iron present in the product. sponge iron manufacture is highly sensitive to raw material characteristics.
sieurin invents sponge iron method the gan method is invented by engineer emil sieurin. the method means reducing iron ore with the help of coke, lime and clay. after patenting the method, gan starts production in 1911 and in 1912 a plant is built. later on, gan will start grinding the reduced iron to powder, sponge iron powder.