Spirohelix’s Live Bin Bottoms are the ideal solution for discharging particularly difficult materials from polygonal hoppers or silos. Among others, they are used for extracting biological or industrial sludge, paper scrap, wood chippings, sawdust, as well as flour or bran in the flour milling industry.
Live Bin Bottoms (Multiple Screw Feeders) are equipped with a modular trough which encloses up to 6 shafted helicoid flight or paddle screws, externally flanged, fully protected end bearing assemblies complete with manually adjustable packing gland and shaft seal, a rectangular outlet spout covering the entire width of the bin bottom, bolted end plates, splined shaft couplings for medium heavy-duty, and flanged shaft couplings for the heavy-duty version.
Furthermore, Live Bin Bottoms are equipped with one gear motor per screw shaft or, depending on the application, with a drive unit driving more screws.
Screw diameter: 150 ~ 600 mm (6 ~ 24 in)
Up to six screws in one trough
Open trough length ranging from 1,500 to 4,000 mm (5 ~ 13 ft)
Trough housing and screws manufactured from carbon steel, stainless steel or SINT engineering polymer (screws only)
For certain applications screws and trough lining manufactured from SINT engineering polymer
Medium heavy-duty or extra heavy-duty helicoid flight screws or paddle screws
Medium heavy-duty or extra heavy-duty trough in modular flanged sections
Vertical outlet spout with rectangular cross-section or open trough flush outlet both with integrated drilled standard flanges
Robust flanged cast iron end bearing assemblies with external bearings and manually adjustable packed gland seals