The present invention provides a combination screening apparatus for screening a mixed material into three graded streams, comprising a disc screen wholly, substantially or partly located within a rotary drum screen. The present invention may be conveniently arranged on a mobile chassis with a simple arrangement of a feed hopper to feed a feed end, and a layered or stacked configuration for the discharge of the so-formed graded streams at a discharge end.

The present invention provides a combination screening apparatus for screening a mixed material into three graded streams, comprising a disc screen wholly, substantially or partly located within a rotary drum screen. The present invention may be conveniently arranged on a mobile chassis with a simple arrangement of a feed hopper to feed a feed end, and a layered or stacked configuration for the discharge of the so-formed graded streams at a discharge end.

A system for recovering precious metals includes a rotatable drum, recyclable materials, and a separating solution. The rotatable drum is configured to receive recyclable materials. The recyclable materials include non-metallic materials and electronic components, with one or both of the non-metallic materials and the electronic components having attached thereto one or both of base metals and precious metals. The separating solution is disposed in the rotatable drum and is configured to separate the base metals and the precious metals from the electronic components and the non-metallic materials and to separate the electronic components from the non-metallic materials. The rotatable drum is configured to agitate the recyclable materials and to wash the recyclable materials with the separating solution. The electronic components, non-metallic materials, base metals, and precious metals are each separately removable from the separating solution.

A system for recovering precious metals includes a rotatable drum, recyclable materials, and a separating solution. The rotatable drum is configured to receive recyclable materials. The recyclable materials include non-metallic materials and electronic components, with one or both of the non-metallic materials and the electronic components having attached thereto one or both of base metals and precious metals. The separating solution is disposed in the rotatable drum and is configured to separate the base metals and the precious metals from the electronic components and the non-metallic materials and to separate the electronic components from the non-metallic materials. The rotatable drum is configured to agitate the recyclable materials and to wash the recyclable materials with the separating solution. The electronic components, non-metallic materials, base metals, and precious metals are each separately removable from the separating solution.

A screen assembly includes a housing defining a material flow chamber and having an inlet end and an outlet end, and a stucco discharge opening being located in the chamber between the inlet end and the outlet end. An auger shaft is located in the housing for axial rotation and having at least one first helical flight arranged in a flight pattern oriented so that material engaging the first helical flight is conveyed from the inlet end to the outlet end. A screen surrounds the at least one first helical flight for common rotation and extends generally from the inlet end to the outlet end. At least one second helical flight is disposed on an exterior surface of the screen and is arranged in a flight pattern oriented so that material engaging the second helical flight is conveyed in a direction from the outlet end.

A screen assembly includes a housing defining a material flow chamber and having an inlet end and an outlet end, and a stucco discharge opening being located in the chamber between the inlet end and the outlet end. An auger shaft is located in the housing for axial rotation and having at least one first helical flight arranged in a flight pattern oriented so that material engaging the first helical flight is conveyed from the inlet end to the outlet end. A screen surrounds the at least one first helical flight for common rotation and extends generally from the inlet end to the outlet end. At least one second helical flight is disposed on an exterior surface of the screen and is arranged in a flight pattern oriented so that material engaging the second helical flight is conveyed in a direction from the outlet end.

A sorting device for tablets for separating out multiple tablets has a plurality of stations including a feed station, a sorting station and an ejection station, and a tablet transporter which moves to the individual stations in a direction of rotation. The tablet transporter includes a row of tablet receivers for single tablets and a doublet receiver for multiple tablets which have been separated out. The doublet receiver is laterally next to the tablet receivers. An individual tablet receiver is laterally separated from the doublet receiver via a side wall. In the sorting station is a sorting tine which can be moved to and fro over a travel range in a lateral direction extending transversely to the direction of rotation such that the sorting tine passes over the region of a tablet receiver, the adjacent doublet receiver and the side wall located between them.

A sorting device for tablets for separating out multiple tablets has a plurality of stations including a feed station, a sorting station and an ejection station, and a tablet transporter which moves to the individual stations in a direction of rotation. The tablet transporter includes a row of tablet receivers for single tablets and a doublet receiver for multiple tablets which have been separated out. The doublet receiver is laterally next to the tablet receivers. An individual tablet receiver is laterally separated from the doublet receiver via a side wall. In the sorting station is a sorting tine which can be moved to and fro over a travel range in a lateral direction extending transversely to the direction of rotation such that the sorting tine passes over the region of a tablet receiver, the adjacent doublet receiver and the side wall located between them.

A modular nut cleaning plant comprises a nut sizer and a stick remover mounted to the nut sizer. A vacuum unit is mounted to the stick remover. A nut product stream will pass on the stick remover through the vacuum unit which will vacuum light debris from the nut product stream. The nut product stream moves on a chain on the stick remover. Large debris and sticks that do not fall through openings in the chain will pass into a debris conveyor. Nuts and debris that fall through the openings in the chain will be delivered to the nut sizer. The nut sizer will rotate and tumble nuts and debris in the nut product stream. Nuts of an undesirable size and debris will pass into a debris conveyor. Nuts of a desired size will pass through the nut sizer into a chute or other conveyance to be delivered to further nut processing apparatus.

A nut sizer includes a nut sizer frame and a rotatable nut sizer cage mounted therein. A motor is attached to the nut sizer frame at an intake end thereof. The motor will drive a drive sprocket which will in turn drive a reel sprocket that is connected to the rotatable sizer cage. A chain engages the drive sprocket and the reel sprocket. The sizer cage may be lifted from the nut sizer frame by removing the chain. The nut sizer cage is a sectioned sizer cage and includes a first sizer section and a second sizer section detachably connected thereto.