Process for the recovery of used sand castings and associated equipment.

摘要

The invention relates to a method and device for REGENERATION OF USED FOUNDRY SANDS. IN method of the invention SANDS USED IS FREE IN A FIRST PROCESS FOR A HEAT TREATMENT OF MATERIALS CONTAINING CARBON AND FINALLY cleaned mechanically FOR THIS MOVE THE ELEMENTS OF RUBBING RESISTANT TO WEAR THE BURDEN OF SAND WITH DEPENDENCY LITISIRIZACION DEGREE OF OIL CHARGE AS ARENA WITH A SPEED NOT DESTROY THE DEGREE OF SAND LOAD. THE device of the invention comprises a DEPOSIT CILINDRICO IN WHICH elements are provided Rubbing DRIVEN rotationally, which devices are provided FILLING A WAY OF LOADS OF DEPOSIT WITH SAND USED AS WELL AS DEVICES FOR REMOVING THE SAND CLEANED OF DEPOSIT. MOMENTUM ELEMENT Rubbing occurs LISIRIZACION DEPENDENCE DEGREE OF OIL SAND USED AND WELL SO THAT THE GRAIN QUARTZ SAND LOAD not destroyed.