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The steel industry continued to prosper for a few more years, in 1965 began the firing of blast furnace A (daily capacity: 2300t; diameter: 8 m). In 1970 was the Firing of blast furnace B at ARBED Esch-Belval (daily capacity: 3000 t; diameter: 9 m) where automation was very advanced and would enable full computer control in the near future.
The time of the blast furnace, using ore and coke, was over. Over the next few years, all steelworks in Luxembourg were converted to use electric arc furnaces, in which scrap iron was melted using electricity. The last blast furnace in Luxembourg, HF B in Belval, was closed in July 1997.
However, during this period of geographic expansion and division of sectors, the remaining Luxembourg blast furnaces gradually stopped operating, the last one, in Belval, definitely halting its operations in 1997. [2]
Two blast furnaces have been preserved, including outer frames, furnaces and Cowper stoves. A protective paint coating minimizes the rusting effects on the blast furnaces. Blast furnace 6 is accessible to the public as part of guided tours. A colorful light installation illuminates the entire area at nighttime. [8] [9] Sulzbach-Rosenberg, Bavaria
Blast furnaces differ from bloomeries and reverberatory furnaces in that in a blast furnace, flue gas is in direct contact with the ore and iron, allowing carbon monoxide to diffuse into the ore and reduce the iron oxide. The blast furnace operates as a countercurrent exchange process whereas a bloomery does not.
Here’s what you need to know about the company that may buy up US Steel two blast furnaces.
New cultural buildings such as the cinema Kinepolis Belval in the Belval Plaza shopping mall [5] and the Rockhal, Luxembourg's biggest concert hall have been made. [6] The area around the old blast furnaces will host different structures of the University of Luxembourg, many research centres and the national archives. [7]
The Fonds Belval, a state-owned company, was charged with realising the government's plans on the Belval-Ouest site and to showcase the blast furnaces. [5] The industrial wastelands would host the "Centre de musiques amplifiées" and a "Cité des sciences, de la recherche et de l’innovation". [5]