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Difference between revisions of "Discharge Bottoms"
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[[File:Discharge Bottoms_1.jpg|thumb|200px|right|Discharge Bottoms]] | |||
'''Discharge Bottoms''' or Bin Bottoms Multiple Screw Feeders) are equipped with a modular trough which encloses up to 6 shafted helicoid flight or paddle screws, flanged external, fully protected end bearing assemblies complete with manually adjustable packing gland and shaft seal, a rectangular outlet spout covering the entire width of the unit, bolted end plates, splined shaft couplings for medium-heavy-duty, flanged shaft couplings for heavy-duty version, | |||
Furthermore, Bin Bottoms are equipped with one gear motor per screw shaft or, depending on the application, with a drive unit driving more screws. | |||
==Functions== | |||
Discharge bottoms or Bin Bottoms are used to discharge difficult materials from polygonal hoppers / silos. In particular they are used for the extraction of biological or industrial sludge, paper scrap, wood chippings, sawdust, flour or bran in flour milling. | |||
==Features== | |||
*Robust design | |||
*Screw diameters: 150mm (6¿) - 600mm (24¿) | |||
*Up to six screws in one trough | |||
*Open trough length ranging from 1,500mm (5 ft) to 4,000mm (13 ft) | |||
*Trough casing and screws are manufactured in carbon steel, stainless steel or SINT® engineering polymer (screws only) | |||
*For certain applications screws and trough lining manufactured in SINT® engineering polymers | |||
*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 flanges according to WAM® standards | |||
*Robust cast iron body flanged end bearing assemblies with externally positioned bearing units and manually adjustable packed gland seals | |||
*Splined shaft couplings (medium-heavy-duty); flanged shaft couplings (extra-heavy-duty) | |||
*Independent direct compact gear motor drive for each screw | |||
==Benefits== | |||
*Promotes mass flow | |||
*Gives widest possible material extraction surface | |||
*Avoids bridging | |||
*Avoids segregation | |||
*Provides constant material extraction and feeding even with most difficult materials | |||
*Constant feed rates | |||
*Modular design allows easy access and individual custom-design features | |||
*High degree of self-cleaning | |||
==Videos== | |||
<youtube>GA2Y1HQ5KcY</youtube> | |||