We, at industrial technical consultant itc in raipur, started in the year 2000. If you continue browsing the site, you agree to the use of cookies on this website. The production volume of sponge iron in india accounted for more than 30 million metric tons at the end of fiscal year 2018. This intermediate product is subsequently melted in electric arc furnaces or induction furnaces. Business listings of sponge iron manufacturers, suppliers and exporters in raigarh. Good flow ability in bins, pipes and conveyors for continuous and trouble free. The iron sponge iron oxide process is the oldest and still the most widely used batch process for sweetening natural gas and ngls duckworth and geddes, 1965. Among the three gasbased sponge iron producers, essar steel setup the worlds largest hotbriquelted iron hbi plant with midrex. Material balance in a rotary kiln sponge iron plant. General awareness for banking and other competitive exams like rrb, cds, lic ao, rbi, ssc, upsc, fci, uiic, oicl, sbi clerks and po requires knowledge on many different subjects, one such subject is oil refineries and steel plants industries in india. Nov 09, 2014 making process iron ore to sponge iron slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Nov 12, 2012 advances in rotary kiln sponge iron plant free pdf free pdf free. Do not eat if you have an autoimmune disease, celiac disease, gluten sensitivity.
Steel produced by recycling process found much cheaper than the steel produced by blast furnace process. Dri is also known as sponge iron, it is a solidstate direct reduction process fig. Highcarbon sponge iron is an alternative to scrap in eaf, as it is chemically homogeneous, free of harmful or redundant elements, and requires less coke and secondary metallurgical operations. This is to certify that the thesis entitled design of waste heat recovery system in a sponge iron plant being submitted by saurav kumar sahu as an academic project in the department of. Study on accretion formation on dri kiln during spong iron production chandrashekhar shrivas, himanshu shrivas abstracttoday is an era of competition, and contrary to this the iron and steel industries are also suffering from the same. Study on accretion formation on dri kiln during spong iron. Helps meet strict low outlet requirements down to negligible levels, for lfg, wwt, ad biogas and odor control. Sponge iron process, rotary kiln, ann topologies, optimum input parameters. Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron ore lumps, or fines. China sponge iron plant, china sponge iron plant suppliers and manufacturers directory source a large selection of sponge iron plant products at sponge iron,soldering iron sponge, iron stand plants from china. Seml was one of the first companies to install a sponge iron plant in the siltara, raipur area. A wide variety of sponge iron plant options are available to you, there are 579 suppliers who sells sponge iron plant on, mainly located in asia. The cooler is 12m in length and water is sprayed directly as well as indirectly for cooling the material. Additional technical, research and safety msds information is available.
One of the major challenges for sponge iron plant is the accretion formation. Apply to 1 sponge iron plant 350 500 tpd jobs on, indias no. Sponge iron plant manufacturers the process was widely accepted by almost all developing countries where generation of scrap was less in comparison to requirements. Growth in the sponge iron production can be attributed largely to the popularity of secondary steelmaking route. Iron ore after due reduction inside the kiln is discharged to a rotary cooler of 3.
Power has become an essential commodity all over world today, with rapid development in infrastructure and other aspects, power has become the most sought out commodity. Direct reduced iron dri, also called sponge iron, is produced from the direct reduction of iron ore in the form of lumps, pellets, or fines to iron by a reducing gas or elemental carbon produced from natural gas or coal. The first gasbased sponge iron plant was started up at hazira in guajarat in 1990 by essar steel ltd. Alaknanda sponge iron limited is an indiabased prestigious iso 9001. The company operates in single segments, which is iron and steel. We are a consulting firm providing services to the clients for the establishment of plants from steel and power sector in india and abroad on consultancy as well as on turnkey basis. Iron sponge media is often the most costeffective solution, there are situations where granular or activated carbon media makes sense. India production volume of sponge iron 2011 to 2019. Jul 29, 2010 subsequently unido came forward in bringing slrn technology of sponge iron making to our country with lurgi germany in1979. West midnapore, cse report peoples movement very strong against the sponge iron industry especially rashmi cement ispat in 2009, in west midnapore. Since 2002, india has been the largest producer of sponge iron, also called direct reduced iron dri, in the world. Find details of companies offering sponge iron plant at best price. Sponge iron process for manned space exploration final project report june 2005 prepared by.
Detailed project report suraj products limited village barpali, po. A biologically enhanced iron sponge specifically designed for costeffective and reliable h 2 s removal from lfg and biogas resulting from anaerobic digestion and wastewater treatment. A demonstration sponge iron plant of 30000tpa capacity was set up with liberal assistance from unido, govt. The companys manufacturing facility is located in durgapur, bardwan district of west. Sponge iron plants cerana foundation, oct 2006 7 raigarh windroses at 0830 hrs raigarh windroses at 1730 hrs sponge iron plant air emissions air emissions from sponge iron plants see annex 2 include highly toxic heavy metals, which may be released in three ways.
India production volume of sponge iron 2011 to 2019 statista. The difference of the temperature of free gas tgas and bed material. This process used 80% coal and 20% oil, which subsequently became uneconomical due to increase in crude prices. With the availability of abundant raw material in india, the production of sponge is set to multiply over the. Pdf design modifications for energy conservation of sponge iron. This book provides a fascinating study of the very important emerging field of direct reduction in which iron ore is directly reduced in the solidstate, using either natural gas or noncoking coal, to produce a highly metallised material, referred to as sponge iron or direct reduced iron. Sponge iron plant is depends on no of kilns installed and its kiln capacity. Simon fraser christiandoppler laboratory for fuel cell systems institute for chemical technology of inorganic materials graz university of technology steyrergasse 21 a8010 graz tel. Dec 19, 2017 india is the worlds largest producer of sponge iron, most of which is produced primarily through the coal based method of production.
Sponge iron is the metallic form of iron produced from. Sponge iron industry needs quick actions for survival the. Pdf waste heat recovery steam generator in sponge iron. Coal, dolomite and iron ore or pellets are fed into one end of a rotary kiln, while sponge iron and char are withdrawn from the other end. The sponge iron is also known as direct reduced iron, hot briquettes iron or metalized iron. Sponge iron units do not use the pollution control equipment. For a coal based dri plant with waste heat recovery boiler, power plant and having arrangement for selling surplus electricity, the gate in energy would be coal. Raw material preparation plant direct reduction plant raw material preparation plant the basic raw materials for the production of sponge iron are iron ore, non coking coal and dolomite. Iron sponge process 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 8001200 c. Sponge iron and semi burnt coal are discharged from the kiln through a rotary cooler.
Sponge iron production by direct reduction of iron oxide. Sponge iron industry needs quick actions for survival. Sling coal is essential for creation of reducing environment in the free board of kiln. Mv technologies works with customers to design the most costeffective h 2 s removal systems based on unique system parameters. Today about 20 per cent of the sponge iron produced worldwide is made in india1. Sponge iron is fast becoming a significant input in lowcost steel production. Energy survey of the coal based sponge iron industry sciencedirect. Pollution in the coal based sponge iron industry in india. Use only as a sponge to get olive oil into your mouth. Oct 08, 2019 the production volume of sponge iron in india accounted for more than 30 million metric tons at the end of fiscal year 2018. Subsequently unido came forward in bringing slrn technology of sponge iron making to our country with lurgi germany in1979. Explore sponge iron plant 350 500 tpd openings in your desired locations now. About 19% of these are cement making machinery, 11% are briquette machines, and 1% are artificial plant. Best tmt bar manufacturing plants india in the direct reduced iron dri plant, production of sponge iron using a solid reductant involves reducing iron ore lumpspellets with a carbonaceous material such as coal.
Globally conventional fuels are going to be exhausted. Tslpl is a pioneer in india for using hot metal in electric arc furnace, which later became an industry norm. Processes that produce iron by reduction of iron ore in solid state below. Armed with strength to go global, incorporated reaffirmed focus to develop and produce best quality of product with inventive approach open for flexible solution sowing the seed of multiple yields. This humble beginning has grown tremendously to 22 million tons of installed capacity today. This product is known as direct reduced iron dri or sponge iron. In banking and ssc exams often the questions on oil refineries and steel plants industries. Maoist politics emerged solely due to pollution from sponge iron plants in west midnapore. Sponge iron plant 350 500 tpd jobs, 1 sponge iron plant. Get sponge iron at best price with product specifications.
Iron sponge is a highly porous, coarsely powdered or granular form of iron metal with numerous applications in catalysis, gas purification, and alloy production. The material is cooled down to 100oc and fed to magnetic separator for separating the sponge iron and nonmagnetic char. The process of reducing the iron ore in solid form by reducing gases is called direct reduction. In this backdrop trfi took the first step to set up a coal based sponge iron plant in india. This ensures very high metallization of sponge iron. Due to the specific combination of dri, it is possible to accurately predict the final analysis of steel in continuous feeding with sponge iron. Today india stands as the largest producer of coal based sponge iron through. Making process iron ore to sponge iron slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The process of sponge iron making aims to remove the oxygen from iron ore. India is the worlds largest producer of sponge iron, most of which is produced primarily through the coal based method of production. The plant paradox quick and easy the 30day plan to lose weight, feel great, and live lectin fr ee.
Iron ore is the source of iron and available in oxide form namely hematitefe2o3. Raw dri process materials, partly coal, iron ore, after burn flue gas chamber fluxes enter. Integrated steel plant tmt bar manufacturing plants. List of oil refineries and steel plants industries in. Sponge iron plant 350 500 tpd jobs, 1 sponge iron plant 350. The top countries of suppliers are china, india, from which the percentage of sponge iron plant supply is 99%, 1% respectively.
Demonstration against sponge iron pollution in orissa click to view orissa serves notices on 26 sponge iron units click to view orissa acts on defaulting sponge units. Sponge iron plants of 350tpd coal based rotarykilns 1,05,000 tons per annum capacity 2nos power plants based on waste heat recovery from sponge iron plants 8mw 2nos power plants based on waste charcoal fines from sponge iron plants 816mw 1no. Sponge iron casting sponge iron plant hoop iron iron hardware fittings iron lanterns iron ball iron circle pig iron iron wind chimes iron. Oct 25, 20 sponge iron industry needs quick actions for survival presently this important segment of indias steel industry is passing through its worst crisis and urgent steps are needed for its survival. The process technology developed by allis chalmers corporation, usa based on pilot plant studies known as accar process was used initially.
With the domestic steel industry picking up during the past year and prices moving up in leaps and bounds, india has emerged as the worlds largest producer of sponge iron or direct reduced iron, accounting for around 16 per cent of the global output. A wide variety of sponge iron plant options are available to you, there are 581 sponge. Major plant facilities 1 raw material preparation system raw material system mainly consist vibro feeder, crusher and screen. The process was implemented during the nineteenth century. A survey is made on a typical coal based indian sponge iron plant of capacity 500 td in. Nov 17, 2012 sponge iron units do not use the pollution control equipment. Iron ore of size 5 mm to 20 mm is being used for the production of sponge iron. Download free pdf ebooks with advances in rotary kiln sponge iron plant free pdf free ipad and nook in pdf format for free download. Modeling of rotary kiln for sponge iron processing using. Sponge iron plant manufacturers and sponge iron equipment. Pdf during the operation in the coal based sponge iron plant. The product sponge iron being hydroscopic in nature, it is. Directly reduced iron looks like sponge in texture due to pores and hence is called sponge iron.
Iron ore crushing is not required since sized material has to be purchased. Optimization of operating parameters for sponge iron production. Msp sponge iron plant uses the highest grade of iron ore and premium quality coal. In the process, the sour gas is passed down through the bed. Tslpl is a pioneer in india for using hot metal in electric arc furnace, which later became an industry.
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