First-Ever Prefabricated Hot-Blast Stove Shell

Danieli Corus hot-blast stove erected at SSAB Oxelösund in one day.

Earlier this week, the vessel shell for the new hot-blast stove #47 for blast furnace #4 at SSAB Oxelösund, Sweden, was erected. The entire vessel shell was fully prefabricated in an off-site workshop and erected in its operating position in a single lift.

This was the first time that such a manufacturing solution was applied to a blast stove. The erection was smooth thanks careful planning and consideration with SSAB about ground and underground infrastructure in the blast furnace area.

This effort pays off substantially: the execution of all the welding, coating and inspections in the off-site workshop minimizes on-site work and under more difficult circumstances and plant regulations, saving a considerable number of work hours.

This strategy applied by Danieli Corus brings about major efficiencies in terms of supervision, scaffolding and logistics. The installation of hot blast stove #47 now will be completed at maximum efficiency.

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