Rotary processor

Details Rotary processor Rotary processor

B - Operations, Transporting

01

F

259/42.9

B01F 7/02 (2006.01) B29B 13/02 (2006.01) B29C 47/52 (2006.01)

Patent

CA 1204431

ABSTRACT OF THE INVENTION Novel, improved rotary processors which include a rotatable element carrying a plurality of annular channels and a stationary element providing a coaxial, closure surface operationally arranged with the channels to provide enclosed processing passages. The so-formed plurality of processing passages provide a highly efficient processing stage particularly for melting polymer material. Each processing passage of the processing stage includes inlet means, outlet means and a channel blocking member associated with the stationary element and arranged and adapted so that material fed to the inlet can be carried forward by the rotatable channel walls to the blocking member for discharge from the passage. In rotary processors of this invention the clearance between the rotary surface carrying the channels and the stationary coaxial closure surface is relatively wide and permits substantial amounts of material to be interchanged between passages of the processing stage. The interchange provides especially efficient, intensive mixing for material processed in the stage. Also, the interchanged material which passes throllgh the relatively wide clearance can be subjected to conditions of high shear and high temperatures.

418693

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