Work associated with securing the burden as part of the reconstruction and modernization work carried out of Blast Furnace No. 3 (BF3), Dąbrowa Górnicza, with an internal diameter of 11.7 m at the level of the tuyeres.
Digging 150 m3 of coke from the tuyere level, protection of the remaining elements of the furnace tuyere against damage
Extraction of big pieces of slag and coke and other sintered elements from the furnace, which make it impossible to prepare the burden for the shotcreting
Evacuation of excavated hot coke to a designated location outside the furnace
Levelling burden of 0,5 m under the tuyeres level
Levelling of filled slag (150-200m) by excavator Brokk D330
Concrete shotcreting in a thickness of approx. 150 mm, completing the integrity for the whole period of project
Breaking of concrete and its evacuation from the furnace