Apparatus for continuously mixing and electrically heating flowable materials conveyed by a pair of rotatable screws
AssigneeChristian Engineering
InventorsRobert F. Christian, Emil Z. Barish, Mikhail D. Mazur, Manuel M. Almojuela, Noland F. Nicdao
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Abstract
An apparatus for continuously mixing and heating flowable materials comprises an inclined housing, at least two rotatable screws within the housing with each screw having a rotatably mounted shaft and a screw flight. The screws are arranged in parallel juxtaposition with their respective flights of opposite hand intermeshing. The shafts are driven in opposite rotation to each other and each shaft is hollow and is provided with electric heaters within the shaft for heating the flowable material.
Claims11
An apparatus for continuously mixing and heating flowable materials comprising:
- an inclined housing;
- at least two rotatable screws within said housing, each screw having a rotatably mounted hollow shaft and a screw flight, said screws being arranged in parallel juxtaposition with their respective flights being of opposite hand intermeshing;
- means for driving said shafts in opposite rotation to each other;
- fixed support shafts extending within said rotatably mounted shafts, respectively, each said support shaft carrying a hollow cylinder having an exterior surface;
- and
- electric heaters respectively within said hollow shafts and fixed to said support shafts, respectively, on said exterior surfaces of said hollow cylinders.
Dependencies are inferred from the claim text.