Hood lining on an aluminium melting furnace
The furnace hood of an aluminium melting furnace relined monolithically.
Initial situation
The furnace hood of an aluminium melting furnace was due for refractory lining. The hood closes off the furnace chamber at the top and is exposed to radiant heat, thermal cycling and attack by aluminium vapours. A dense, crack-resistant lining is what determines heat losses and service life here.
Scope of services
- Demolition of the old hood lining
- Monolithic relining
- Integration of the burner and extraction openings
- Controlled dry-out
Project data
The task
Radiant heat and constant thermal cycling at the hood
Burner and extraction openings have to be integrated to size and gas-tight
Aluminium vapours attack porous surfaces
Shortest possible shutdown for ongoing wheel casting operations
The SBS approach
Monolithic lining of the entire hood – a dense surface with minimal joints instead of vulnerable shaped bricks
Clean, dimensionally accurate integration of the burner and extraction openings
Evenly screeded surface for low build-up and easy cleaning
Controlled dry-out before returning the furnace to service
Hood lining on an aluminium melting furnace in pictures
Freshly lined hood – dense, monolithic surface
Cleanly integrated burner opening in the new lining
Evenly screeded surfaces for low build-up
Measurable results
The key figures of the “Hood lining on an aluminium melting furnace” project
Similar references
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