Rotary dryer and method of using the same
AssigneeSabic Global Technologies B.V.
InventorsNasser Mansour Alsubaie, Ahmed Abouelfetouh Youssef, Allen Lee White, Vern Lowry
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Abstract
A rotary dryer for resin dehydration, comprising: a cylindrical body which rotates about an axis perpendicular to a diameter of the cylindrical body; an air filter located outside the cylindrical body; coils located outside the cylindrical body, wherein the coils are oriented vertically and oriented parallel to the diameter of the cylindrical body, wherein the coils do not comprise horizontal surfaces; and lifters located within the cylindrical body.
Claims20
A rotary dryer for resin dehydration, comprising:
- a cylindrical body which rotates about an axis perpendicular to a diameter of the cylindrical body;
- an air filter located outside the cylindrical body;
- coils located outside the cylindrical body, wherein the coils are oriented vertically and oriented parallel to the diameter of the cylindrical body, wherein the coils do not comprise horizontal surfaces;
- and
- lifters located within the cylindrical body.
A method of resin dehydration comprising:
- feeding a feed stream comprising a wet resin into a rotary dryer, the rotary dryer comprising a cylindrical body which rotates about an axis perpendicular to a diameter of the cylindrical body;
- an air filter located outside the cylindrical body;
- coils located outside the cylindrical body, wherein the coils are oriented vertically and oriented parallel to the diameter of the cylindrical body, wherein the coils do not comprise horizontal surfaces;
- and
- lifters located within the cylindrical body;
- heating the coils;
- rotating the cylindrical body;
- contacting the wet resin with the lifters;
- and
- withdrawing a product stream comprising a dehydrated resin from the rotary dryer.
A method of dehydration of acrylonitrile butadiene styrene particles comprising
- feeding a stream of the acrylonitrile butadiene styrene particles into a rotary dryer, the rotary drying comprising a cylindrical body which rotates about an axis perpendicular to a diameter of the cylindrical body;
- an air filter located outside the cylindrical body;
- coils located outside the cylindrical body, wherein the coils are oriented vertically and oriented parallel to the diameter of the cylindrical body, wherein the coils do not comprise horizontal surfaces;
- and lifters located within the cylindrical body,
- heating the coils;
- rotating the cylindrical body;
- contacting the wet resin with the lifters;
- and
- withdrawing a product stream comprising a dehydrated resin from the rotary dryer.
Dependencies are inferred from the claim text.