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 ....
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2. 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. t srinivasa rao, md, balajiswamy premium steels pvt ltd offered his 50tpd kiln for this purpose. 3. presentation from tata sponge iron ltd was very much liked and lot of the people.
2ii. rotary kiln: operation and construction details a schematic diagram of the rotary kiln of sponge iron process considered for the present work is shown in fig. 1. the rotary kiln consists of a rotating cylindrical shell lined inside with refractory material. the kiln is around 80 m long with 4 m internal diameter with nine different ports of secondary air..
Aug 03, wednesday, august 3, . coal injection in rotary kiln. k.ramu, c.ramesh, a.rajasekaran. during the process of manufacture of sponge iron, coal injection plays a very vital role in maintaining the product quality. due to highly endothermic nature of boudouard reaction, heat has to be continuously supplied in entire reduction zone of rotary kiln. generally the length of reduction.
Design parameters of rotary kiln for dri sponge iron. may 01 difference between sponge iron kiln and cement kiln posted atmay 1 45 ratings modeling of rotary kiln for sponge iron processing using cfd sponge iron si dri is also known as sponge iron because of its spongy micro structure. online.
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– 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.
Energy audit methodology of sponge iron. rotary kiln and product sponge iron along with char is taken out from the other end. apart from this, primary and secondary airs are supplied to the kiln to initiate the combustion and reaction processes. the reaction takes place at high temp to c c. coal plays a dual role in the.
Feb 14, 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 degree and rotated by ac variable speed motor at a variable speed ranging from 0.2.
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.
In the sponge iron production serves as the motivation of the present research work to propose some better alternative than waste heat recovery boiler to utilize waste heat. along with the energyaspectthepresentworkalsoconsidersbetterutilization of water. 2. coal-based sponge iron process the process of the direct reduction of haematite in a rotary.
Jul 29, the reduced iron ore -sponge iron with unburnt char from rotary kiln gets discharged into a rotary cooler. the heat will be dissipated indirectly by water spraying into the outside of cooler shell. the material gets cooled to around.
Kiln pinion assembly - for 100 tpd dri coal based sponge iron plant rotary kiln 50 tpd - 600 tpd. kiln pinion complete assembly with bearing. kiln pinion, kiln pinion shaft, kiln pinion plumber block or bearing blocks, kiln pinion end cover end plate, kiln pinion sleeves, kiln pinion labyrinth ring or oil seal, kiln pinion bush, kiln pinion bearings, zkl / skf / fag / chinese / koyo etc. kiln.
Looking forward to the need of developing coal-based sponge iron technology in india, a country having no significant resources of either coking coal or natural gas, the research and development division of the tata iron and steel company limited (tisco) set up a rotary kiln based direct reduction pilot plant in . in this pilot plant, a totally indigenous technology for production of.
May 18, sponge iron tce nmd. 1. consulting engineers limited challenges in sponge iron making using rotary kilns asaman prasad patnaik, dr m d maheshwari, jitendra nath rath & raghunath v deshpande tata consulting engineers limited. 2. consulting engineers limited outline of presentation tata consulting.
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.,.
Modeling of rotary kiln for sponge iron processing using cfd package (ansys 13.0) a thesis submitted for partial fulfillment of the degree award of master of technology in chemical engineering under the supervision.
Nov 09, sponge iron making process. 1. albertus septyantoko . 2. iron ore • iron = 65-67 % • sio2 + al2o3 = 2-3 % • cao + mgo = 0,5-1 % • sulphur = 0,02 % max • phosphorus = 0,04 % max chemical composition • size = 5-18 mm • shatter index = +95 % • tumbler index = +88 % • reducibility index = +94 % • thermal degradation index = 5 % physical.
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 the products are air cooled, magnetically separated, screened and size wise in.
Rotary kiln for sponge iron. rotary-kiln-for-sponge-iron 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 desulphurizing agents limestone or raw dolomite into an inclined rotary kiln heated counter current to the flow of hot gas and reduced to form.
Rotary kiln process of making sponge iron - new age international. be carried out on a very large scale. ... 2.2 a concise schematic representation of a rotary kiln sponge iron plant. fig. .... profitable to operate 100 tpd and 50 tpd. read.
Rotary kiln process of making sponge iron new age international rotary kiln process of making sponge iron 13 that the entire production by number 2 3 and 4 countries is. get price. computational fluid dynamics analysis of sponge iron. ... 350 tpd kiln for production of sponge.
Rotary kiln with sl/rn process. coal based rotary kiln for direct reduced iron / sponge iron (100 tpd, 350 tpd, and 500 tpd) solid-state reduction of iron ore using either coal/gas as a medium of reduction to produce a substitute raw material for steel making is termed as direct reduced iron (dri). since dri is produced by removing oxygen from iron ore, its structure is just like a sponge with a network of.
Rotary kiln, kiln, sponge iron rotary kiln manufacturer / supplier in china, offering iron ore reduction small sponge iron production line equipment rotary kiln, high efficiency jaw crusher, demolition equipment, cement triturator, stone construction, energy saving grinding ball mill / wet and dry ball mill / feldspar, granite powder making raw mill / grinder mill and so.
Sep 01, the location of sponge iron plant should be at least 500 m away from national highway and state highway. the radial distance between two sponge iron plants should be 5 km for plants having capacity tpd or more. sponge iron plants can be established in designated industrial areas/estates as notified by state.
Size of a 50 tpd rotary kiln - wettstein-transporte.ch. 350 tpd kiln for production of sponge iron ... coal based rotary kiln for direct reduced iron / sponge iron (100 tpd 350 tpd 500 ... for sponge iron plant rotary kiln & cooler cement plant rolling mill sugar mill.
Sponge iron dri rotary kiln the introduction of rotary kiln: a, rotary kiln is the main equipment for sintering cement clinker. b, the rotary kilns produced by our company can be divided into dry process and wet process. compared to been raised 3-5% up, production has been increased 5-10% and heat consumption has been reduced 15%.
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.
The coal base dri rotary kiln process for production of dri / sponge iron has its many parameters to increase the quality as well as productivity which need careful operations throughout the process. number of dri processes came up and rotary kiln process with solid coal as fuel found to be most acceptable process in the.
To convert the rotary kiln-based sponge iron plant into a pig iron plant, magma smelter is installed in place of the rotary cooler, and all other existing infrastructures are utilized. a 100 tpd sponge iron plant can make 1,08,000 tons of pig iron per year; a 200 tpd plant can make 1,72,000 tons of pig iron per year and a 350 tpd plant can make.