Drying and gas or vapor contact with solids – Process – With contacting of material treated with solid or liquid agent
Reexamination Certificate
2007-07-27
2009-08-18
Lu, Jiping (Department: 3743)
Drying and gas or vapor contact with solids
Process
With contacting of material treated with solid or liquid agent
C034S353000, C034S418000, C034S507000, C034S509000, C034S060000, C034S072000, C034S095000
Reexamination Certificate
active
07574816
ABSTRACT:
A drier apparatus for removing water or other liquids from various materials includes a mixer, drying chamber, separator and regenerator and a method for use of the apparatus. The material to be dried is mixed with a heated media to form a mixture which then passes through the chamber. While passing through the chamber, a comparatively cool fluid is passed counter current through the mixture so that the mixture becomes cooler and drier and the fluid becomes hotter and more saturated with moisture. The mixture is then separated into drier material and media. The media is transferred to the regenerator and heated therein by the hot fluid from the chamber and supplemental heat is supplied to bring the media to a preselected temperature for mixing with the incoming material to be dried. In a closed loop embodiment of the apparatus, the fluid is also recycled from the regenerator to the chamber and a chiller is utilized to reduce the temperature of the fluid to a preselected temperature and dew point temperature.
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Lu Jiping
McMahon John C.
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