Page 56 - Steel Tech India eMagazine Volume April 2022
P. 56

VOL. 16 • NO. 3 • April 2022
                 International Steel






















                 Primetals Technologies to supply ArcelorMittal with   project of tosyali.
                 two LD converters (BOFs)                           the new eAF will be designed to be almost identical to
                 Arcelor Mittal recently placed an order with Primetals   the current eAF that has been consistently operating
                 technologies for two new lD converters (BOFs) at its   on a line steadily producing more than two million tons
                 steel plant in Dunkirk, located in the northern part of   of billets per year. the first eAF supplied to the plant in
                 France. Primetals technologies will replace one of the   2016 achieved the highest productivity levels on record
                 existing lD converters, which has reached the end of   for a DRI-processing furnace.
                 its lifetime. the other new lD converter will be held on   the new equipment, powered by a 240MVA Ac
                 stock in Dunkirk for later installation.
                                                                    transformer, will process 2.5Mt per year of DRI pellets
                 Recent experiences from other projects contributed   to produce  hot Rolled  coil (hRc). Same as the
                 to Arcelor Mittal’s decision to contract Primetals   existing eAF, this new furnace will be equipped with an
                 technologies.  In 2021, Primetals  technologies    innovative charging system that allows charging and
                 supplied a lD converter to Arcelor Mittal’s site in Gent,   melting of more than 12 tons of  hDRI (hot-DRI) per
                 Belgium; concept and project execution will be similar   minute, setting an absolute productivity record for DRI-
                 in Dunkirk. In addition, Primetals technologies recently   processing furnaces.
                 installed Vaicon Stoppers, a solution for keeping slag
                 in the converter during tapping, in all three existing lD   the existing furnace has been fed with a wide range
                 converters in Dunkirk.  these systems will be reused   of reduced iron sources including hBI. In addition, the
                 with the new converter.                            composition of the DRI produced and processed in the
                                                                    Bethioua site is adjusted by blending iron concentrates
                 With a heat size of 300 tons, the LD converters that will   from different sources to achieve the most profitable
                 be delivered to Dunkirk are among the world’s largest.   balance between cost of raw materials and energy. the
                 they will be equipped with Vaicon  link, Primetals   advanced eAF Process control System compensates
                 technologies reliable and maintenance free suspension   for the variations of the raw materials and optimizes the
                 system. While this system keeps the vessel stable in all   process to reach the optimal yield and consumption
                 directions, it still allows for thermal expansion and thus   figures.
                 ensures ideal conditions during the whole steelmaking
                 process.                                           Innovative Charging, Melting and Electromagnetic
                                                                    Stirring Solution for Arvedi’s EAF
                 Tenova to Supply a New Electric Arc Furnace (EAF)
                 for Tosyali Algeria                                ABB and tenova have now obtained final acceptance
                                                                    from  their  customer  AcciaieriaArvedi,  after  partnering
                 tenova was recently awarded a contract  for the    to deliver an innovative technology package, enabling
                 supply of a new  electric Arc Furnace (eAF) at the   optimal charging, melting and electromagnetic stirring
                 tosyaliBethioua plant, located in Algeria.  this will   for the world’s highest-yielding  eAF.  the powerful
                 be the second  eAF that  tenova has supplied to this   solution combines a tenovaconsteel® eAF continuous
                 site and is a key component of the current expansion


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