| 摘要 |
A method for separating dross floating on solder into solder and a residue, comprising of repeatedly cutting through the dross with at least one knife extending substantially parallel to the direction of movement and removing the residue from the solder. The invention also relates to an apparatus for separating dross floating on solder present in a vessel into solder and a residue, wherein the apparatus comprises at least one knife which is movable along a path extending through the vessel, and wherein the at least one knife is adapted to cut through the dross during the movement along the path. Due to the above stated cutting operation the units of the dross formed by nuclei of solder enveloped by metal oxides are destroyed, whereby the solder enveloped by metal oxides are destroyed, whereby the solder is released and added to the solder already present in the bath, and the released metal oxide will float on the solder. A considerable volume and mass reduction of dross to metal oxide herein takes place. The metal oxide is generally in powder form and can then be easily removed. |
