The column type "SP" melter is a ductile working tool: equipped with four wheels it can be easily moved and has a convenient inner working space of mm 1100. It is equipped with mechanical lifting with bushing and screw , a motor controlled by inverter, shaft and blades are made of stainless steel, the propeller can be operated at different heights. It is equipped with planting and a "total" protection cage, that is, covering the working area for its full height, and electrical planting. This melter can be equipped with a variator.