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Solids feeders are used to deliver powder, granular and other bulk solid materials along a process line, or to and from process units, storage bins, conveyors and product packaging.  Additionally, many styles serve to break down clumps or arches to allow for more uniform distribution.  There are a number of solids feeders designs: belt feeders, gravimetric feeders, screw feeders, vibratory feeders, volumetric  feeders, and valves.  These are not exclusive designs as it is common to find  volumetric screw designs, vibratory belts, etc. Solids feeders may also be classified based upon where there are placed within the process line: internal bin devices, feeders placed between the conveyance system and the storage container, or valves along the process line.

Internal bin devices include aerators and fluidizers, sweep arms and agitators, and impactors, shakers and vibrators.   Aerators and fluidizers use compressed air to break down bridges or arches within the material.  They also help reduce flow restrictions from adhesion, rat holing, compacting or clogging.  Agitators and sweep arms pass impeller-like blades through the bulk material to physically break up arches. Rocker forks, sweep augers, inflating bags or other internal bin agitators provide a similar action to break up arches an enable flow.  Impactors and rappers, bin activators, shakers, vibrators, vibrating bottoms or other mechanical activators are used to break arches or bridges and allow gravity assisted flow to occur.  Impactors use a sledgehammer type action to keep materials from clumping, while shakers rock or tilt the whole bin.  Vibrators impart vibrations into the bin using an unbalanced motor or an electromechanical vibrator.  


Products & Services Related to Solids Feeders
Bulk Material Loaders and Unloaders
Bulk materials loaders and unloaders are used to fill and remove powders, granular substances and other bulk solids from bags, bins, boxes, carts, drums, hoppers, railcars, trucks, and silos. They often include solids feeders and break down clumps or arches to allow for the more uniform distribution of bulk materials.
Dumpers, Tilters and Inverters
Dumpers, tilters and inverters are used to reposition or empty material handling containers.

Other Topics You Might Be Interested In
Star feeders or rotary airlocks consist of a paddle wheel-shaped rotor that rotates at low rpm to dispense material into a hopper or process unit (e.g., crushers, screener, and mixers). If the blades... (Read More)
Vibratory solids feeders include impactors, rappers, bin activators, shakers, vibrators, vibrating bottoms or other mechanical activators are used to break arches or bridges in bins or hoppers and... (Read More)
Pneumatic feeders and vacuum feeders are also known as Venturi feeders, pneumatic dischargers, fluidizers, air slides, pneumatic injectors, vacuum loaders, pressure loaders and solids-handling... (Read More)

Engineering Web: Solids Feeders
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. of the following keywords . Material Handling and Packaging > Solids Feeders.  . Sorry, currently there is no company with products in this category.. About Us  Privacy  Disclaimer  Contact  Advertise ...
Solids Feeders on GlobalSpec
Materials Processing Equipment >. Solids Feeders. Free Registration  Solids Feeders 213 companies make Solids Feeders. Click on a listing for more information or filter your list by adding ...
Bulk Solids Metering - Schenck AccuRate Bulk Solids Feeders, Bulk Solids Feeder ...
... has been leading the industry in manufacturing and supplying superior volumetric and gravimetric feeders, weighfeeders, solids flow meters, bulk bag discharging systems, and vibratory feeders to a ...
See AccuRate/Schenck AccuRate Profile & Catalog
See more product announcements for Solids Feeders
Better-Weigh® Batch/Continuous Weigh Feeders

Better-Weigh® Batch/Continuous Weigh Feeders
Metalfab, Inc.


Standard and Custom Industrial Rotary Air-Locs

Standard and Custom Industrial Rotary Air-Locs
Koger Air Corporation


Custom Industrial Rotary Air-Locs from Koger Air

Custom Industrial Rotary Air-Locs from Koger Air
Koger Air Corporation


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