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Freshly lined: the chip melting furnace of an aluminium wheel manufacturer, completely relined.
Chip melting furnaces are among the most demanding units in aluminium recycling. The feed material from wheel machining has a large surface area and brings in oxide, oil and moisture. The furnace of an aluminium wheel manufacturer was due for a complete relining – from dismantling the old lining to documented handover.
Hard corundum growth caused by the exothermic oxidation of the chip feed material
Large surface area of the material, introducing oxide, oil and moisture
Differing loads on hearth, melting bridge, charging shaft and door area
Infiltration and build-up at open joints
Corundum-repellent, non-wetting special mixes prevent the melt from growing through the pores and bursting the structure apart
Zone-specific design of hearth, melting bridge, charging shaft and door area – with material, density and expansion joints matched to each
A monolithic, dense surface without open joints minimises infiltration and build-up
Controlled heat-up with dry-out and sintering via defined holding stages
Before: demolition of the old lining, anchoring exposed
Formwork construction for the monolithic lining
The key figures of the “Relining of a chip melting furnace in aluminium recycling” project
Whether complete relining, repair or emergency — free initial consultation and a fast response.