sieving, demold. 3. bucket elevatorthis machine is a vertical transferring machine which is applied in mechanical casting plant. it is mainly usedfor elevating the used sand, waste sand, new sand, cleaning iron shot, etc. combined with the belt conveyor and other devices, we can design many kind of transferring system. the features are small external size, less volume and higher elevation level so that the layout drawing will be compact. 4. centrifugal regenerator the centrifugal machine adopts the principle of dry ...