Device for recycling molding sand

A device for recycling molding sand, the device comprising:

• (1) a base;
• (2) a vibratory reclaimer disposed on said base;
• said vibratory reclaimer comprising:
• (a) a vertical column, said vertical column being hollow and cylindrical in shape, said vertical column having an axis of rotation, and said vertical column having a side wall with at least one pour-out hole;
• (b) a batch tank disposed at the top of said vertical column,
• (c) a crusher grid,
• (d) at least two sieves with gradually decreasing meshes, and
• (e) a column bottom closing off a lower section of said vertical column,
• (3) a pneumatic cascade classifier disposed on said base and serially connected at its upper section to said vibratory reclaimer;
• and
• (4) at least two generators of vibrations disposed tangentially to said vertical column below said column bottom, said generators each having an axis of rotation situated in a plane parallel to said column axis and askew to said column axis, in a perpendicular projection,
• wherein said pour-out hole is connected with a transport trough, and said transport trough is rigidly mounted and rising in a spiral fashion along said side wall and at a top end passes through a channel extending to a feeding screw for feeding the molding sand to said pneumatic cascade classifier.