摘要 |
Process permitting the modification of the chemical composition of the internal face of a barrel, consisting in heating and moistening the internal face of the shell (1) of this barrel, characterised in that it consists in heating and moistening alternately, using a heating power and a liquid flow rate which are determined and for a determined time, the heating being distributed over the whole height of the shell. The invention also relates to a machine using this process and comprising a rotating substrate (12), heating means (19) and moistening means (20, 21, 22) which are movable vertically along the main axis of the barrel. Application: barrels for wines and alcohols. |