Vertical-shaft furnace for the heat-treatment of metallic workpieces

摘要: A vertical-shaft furnace serves for heat-treating metallic workpieces. It comprises a housing with heating chamber arranged therein. The is provided closed wall at its upper end, while lower end can be opened in order to enable the workpieces, which are treated, loaded into from below. There further means chamber, lifting workpiece carrier first position below of second inside being suspended on least one flexible element passed through opening and connected drive outside chamber. rod-shaped section extends embraced this by sealing gas-tight relationship. projecting downward direction surrounds latter immersed float liquid contained double-walled vessel open top firmly that