CO 2 abatement in the iron and steel industry, The hot metal product from BFs and smelting reduction processes, and DRI contain unwanted elements These are removed in the basic oxygen furnace (BOF) or electric arc furnace (EAF), producing liquid steel CO 2abatement measures and technologies for BOFs and ,A, 3 TECHNOLOGY MIX OF IRON & STEEL MAKING Process Route World India Oxygen Route (%) 70 BF/COREX/BOF/THF/EOF: 40 Electric Route (%) 30 EAF/DRI-EAF : 25 EIF/DRI-EAF : 35 NB: As per future projections, proportion of steel production through BF-BOF route in expected to increase in years to come 4 Techno-Economic Efficiency Parameters Item Global ,(PPT) Ppt on steel making | Sapan Kansara, Furnace operation The electric arc furnace operates as a batch melting process producing batches of molten steel known "heats" The electric arc furnace operating cycle is called the tap-to-tap cycle and is made up of the following operations: Furnace charging ,(PDF) Electric Furnace Steelmaking, The electric arc furnace (EAF) process is the main process for recycling of ferrous scrap  and the second most important steelmaking process route in terms of global steel production  EAF ,Iron Ore Pellets: North America, BF and DR Grade, Supply ,, Lazaro Cardenas 1 3,500 3,500 0 on site DRI/EAF consump Rio Tinto IOC Lab City 12,500 0 12,500 entiire plant served by flot Ternium Las Ecinsas 3,500 3,500 0 no outside sales JV AM/Ternium Pena Colarada 4,000 4,000 0 " ' VALE Tubarao No 1,2 5,200 0 5,200 may be shutdown ³ Hispanobras No 4 3,800 1,900 1,900 AM portion used for DR.
(PDF) Electric Arc Furnace, In the electric arc furnace, steel is produced only through scrap fusion Scraps, direct reduced iron, pig iron, and additives are melted through high-power electric arcs formed between a cathode ,F ocus, EAF steelmaking Direct Reduced Iron (DRI) is a quality metallic product, produced from iron are, pellets etc, which is now not only used in the EAF route but also in blast furnaces and other iron and steelmaking process Hot Briquelted Iron (HBI) is a denser and compacted form of DRI designed for ease of shipping, handling and storage DRISustainability of indian DRI industry 1pptx | Coal | Iron Ore, SUSTAINABILITY OF INDIAN DRI INDUSTRY INTRODUCTION In India, DRI mainly used in India as a substitute of steel melting scrap in steel making through DRI EAF/IF rout DRI doesnt require coking coal - imported in huge quantity And Accounts for 40% steel produced in IndiaDesphosphorization in ironmaking and oxygen steelmaking, 2) the direct iron reduction (DRI) with electric arc furnace (EAF) pathway Almost 66% of the worldwide steel is produced by BOS pathway while the rest use a combination of the DRI and EAF pathways  In BOS pathway, the iron ore is primarily reduced by coke in a blast furnaceINGOT METALLURGY FORUM Winter Meeting, March 21, ,, EAF 180t - 150 MVA 60% scrap - 40% HM 5 x 2400 Nm³/h O² COLAKOGLU - TURKEY EAF 250t - 240 MVA scrap 5 x 2750 Nm³/h O² DSF 100t - 100 MVA scrap 3 x 2400 Nm³/h O² ÎHigh and safe decarburization rates for Hot Metal, Hot DRI and any high productive process 300 Kg C/h/m² Decarburization Rate Introduction Design & Technology ,.
DC Arc Furnace Technology Applied to Smelting ,, EAF technology is the Twin Electrode DC EAF concept AtHYLSA, FlatProductDivision, Monterrey, Mexico a DANIEL! 135 tonnes Twin Electrode DCEAF with an installed power of208 MYA was started up October 30, 1998, Figure 3 The furnace is designed for melting DRI charge The maximumpower density is 4300 kW/m2 while the normal power density is ,Resources Trend and Use of Direct Reduced Iron in ,, source of iron for, and promoting the use of, electric-arc-furnace (EAF) process This rapid increase in crude steel production has also resulted in significant increases, as shown in Fig 3, in the prices of iron ore and coking coal, the principal raw materials of iron and steel3) There are some background factors: eg, i) the current BFBackground Note on Assumptions to Arrive at Probable INDC ,, Furnace (BF), Corex Furnace, Gas based DRI & Coal based DRI plants, steel is produced adopting Basic Oxygen Furnace (BOF)/LD Converter, Electric Arc Furnace(EAF) & Induction Furnace(IF) process rout Presently, proportion of BOF, EAF & IF steel making routes is roughly 45%, 23% & 32% respectively esides the Further, blargeDRI , THE SPONGE IRON INDUSTRIE FULL VIDEO, we are trying to take a look at the sponge iron industrie , how we making sponge iron by coal based if you like please subscribe and comment ,please comment,High productivity with ELECTRIC ARC FURNACES, AC EAF CONARC ® Scrap preheater DC EAF , Cold material like DRI or scrap is added to the furnace to utilise this energy and to avoid overheating of the bath After completion of the decarburisation process, the top lance is slewed away and the electrodes are brought into operating position In the arcing phase, the remain-.
The increasing role of direct reduced iron (DRI) in global ,, Nov 16, 2014· The increasing role of direct reduced iron (DRI) in global steelmaking 1 111The Journal of The South African Institute of Mining and Metallurgy MARCH/APRIL 1999 Introduction Steelmaking has been around since ancient and medieval times, when steel was produced by heating and manipulating iron ore at temperatures below the melting point of iron, and then going through the ,Electric Furnace Steelmaking, Jan 01, 2014· The electric arc furnace is the most important scrap recycling process In the developed world, steel scrap is the most common charge The situation is not the same in the emerging countries, where scrap is not always available in the required amount; alternative materials like DRI, HBI, pig iron, and hot metal take part in the chargeValue in use of DRI, Effect on EAF Consumptions DRI Quality: 94% Mtz; 35%C DRI Temp: 600°C 350 370 390 410 430 450 470 490 0 5 10 15 20 25 30 35 40 0% DRI 20% DRI 40% DRI 50% DRI 60% DRI 80% DRI DRI Oxygen Nm3 Natural gas Nm3 Graphite kg Electric Energy kWhRotary Hearth Furnace (RHF), EAF dust BF & BOF sludge etc BF & BOF dust etc BF & BOF dust etc BF & BOF dust etc BF & BOF dust etc DRI recycling EAF Blast Furnace EAF Blast Furnace Blast Furnace Blast Furnace Blast Furnace Blast Furnace NIPPON STEEL ENGINEERING CO, LTD NIPPON STEEL ENGINEERING CO, LTD, Source:JASE-W Japanese Smart Energy Products & TechnologiesElectric Arc Furnace, T Stengel, P Schießl, in Eco-efficient Construction and Building Materials, 2014 Electric steel production The electric arc furnace (EAF) steel production represents about 34% of the overall European steel production (see World Steel Association, 2009)Concrete reinforcing steel and steel wire for the production of steel fibres are mainly derived from EAF steel.
Metallurgical Coal, The electric arc furnace (EAF) process uses primarily recycled steels and direct reduced iron (DRI) or hot metal and electricity On average, the recycled steel-EAF process uses 880 kg of recycled steel, 160 kg of coal and 64 kg of limestone to produce 1,000 kg of crude steel Average steel content in ,NPTEL :: Metallurgy and Material Science, NPTEL provides E-learning through online Web and Video courses various streamsSTEELMAKING ANIMATION, Animation of GreenField Project in Algeria Designed, Manufactured, Erected and Commissioned by CVS Technology