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Remelt

REMELT FACTORY       

The Aluminium Remelt Plant produces aluminium logs that are used later in the extrusion process to produce extrusion profiles. Billets are short cylindrical solid pieces of aluminium with a diameter of 171mm and at Almin they are cut to lengths of 420mm, 525mm and 630mm respectively.

Re-melting of the scrap and the ingot is done in a reverbatory furnace, which is a liquid fuel fired furnace that has output capacity of about 5000kg per charge.

The furnace can use the following fuels interchangeably: used-oil, diesel, paraffin, or coal tar. Currently Paraffin is the predominant fuel.

This is carried out by heating the logs in an electric furnace at temperatures of 575 +/- 10 oC  depending on the alloy.