A downdraft is downward moving air, usually the direct result of air convection within the thunderstorm. Downdrafts can be extremely powerful, and some aircraft have crashed as a direct result of downdrafts.
A downdraft shredder comprising a lower housing, a semicircular lower grate, a chute for supplying material to a rotor cavity and a hood for covering the remainder of the rotor cavity.
Downdraft in a shredder minimizes the amount of dust and debris escaping from the feed chamber and shredder vent.
The feed material in a downdraft shredder is forced through the grate openings shortly after the material has been reduced to an acceptable size as determined by the grate openings thereby making the control of particle size possible while also allowing for the introduction of more feed material.
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