A method and apparatus for the continuous sublimation of a substance includes cascading a material containing a substance capable of sublimation, such as water, between a plurality of trays vertically stacked within a processing zone provided within a processing chamber. A substantially atmospheric environment is maintained within the processing zone at a temperature whereby the substance sublimes forming a sublimate within the environment. The environment containing the sublimate is contacted with a drying agent such as a desiccant to maintain the environment whereby the substance sublimes at substantially atmospheric pressure and at the controlled temperature.

A method and apparatus for the continuous sublimation of a substance includes cascading a material containing a substance capable of sublimation, such as water, between a plurality of trays vertically stacked within a processing zone provided within a processing chamber. A substantially atmospheric environment is maintained within the processing zone at a temperature whereby the substance sublimes forming a sublimate within the environment. The environment containing the sublimate is contacted with a drying agent such as a desiccant to maintain the environment whereby the substance sublimes at substantially atmospheric pressure and at the controlled temperature.

An improved ventilated locker includes a pair of sidewalls and a a back wall connecting the sidewalls. A plurality of compartments is defined between the sidewalls, including at least an upper compartment and a lower compartment. A plenum is disposed adjacent the back wall, the plenum configured for connection to an existing HVAC system. At least one ventilation grille is carried by the back wall in fluid communication with at least one of the plurality of compartments and with the plenum. At least one circulation fan is disposed in one of the plurality of compartments to circulate air from the ventilation grilles through the plurality of compartments.

A method and apparatus for the continuous sublimation of a substance includes cascading a material containing a substance capable of sublimation, such as water, between a plurality of trays vertically stacked within a processing zone provided within a processing chamber. A substantially atmospheric environment is maintained within the processing zone at a temperature whereby the substance sublimes forming a sublimate within the environment. The environment containing the sublimate is contacted with a drying agent such as a desiccant to maintain the environment whereby the substance sublimes at substantially atmospheric pressure and at the controlled temperature.

The present application discloses a negative-pressure continuous grain dryer with a built-in heating device, wherein the negative-pressure continuous grain dryer comprises a dryer bin, a heating device, and a centrifugal fan. Several levels of the heating devices are disposed from top to bottom in the dryer bin. A grain mixing device is provided below the heating device at each level. Outside the bin, an auxiliary heating device and a natural air inlet are provided in correspondence with the heating device at each level. The auxiliary heating device and the natural air inlet communicate with the grains and the respective heating device in the dryer bin through a perforated baffle plate. The centrifugal fan communicates with each of moisture exhaust vents at each level through an air duct.

A method and apparatus for the continuous sublimation of a substance includes cascading a material containing a substance capable of sublimation, such as water, between a plurality of trays vertically stacked within a processing zone provided within a processing chamber. A substantially atmospheric environment is maintained within the processing zone at a temperature whereby the substance sublimes forming a sublimate within the environment. The environment containing the sublimate is contacted with a drying agent such as a desiccant to maintain the environment whereby the substance sublimes at substantially atmospheric pressure and at the controlled temperature.

An improved ventilated locker includes a pair of sidewalls and a a back wall connecting the sidewalls. A plurality of compartments is defined between the sidewalls, including at least an upper compartment and a lower compartment. A plenum is disposed adjacent the back wall, the plenum configured for connection to an existing HVAC system. At least one ventilation grille is carried by the back wall in fluid communication with at least one of the plurality of compartments and with the plenum. At least one circulation fan is disposed in one of the plurality of compartments to circulate air from the ventilation grilles through the plurality of compartments.

A method and apparatus for the continuous sublimation of a substance includes cascading a material containing a substance capable of sublimation, such as water, between a plurality of trays vertically stacked within a processing zone provided within a processing chamber. A substantially atmospheric environment is maintained within the processing zone at a temperature whereby the substance sublimes forming a sublimate within the environment. The environment containing the sublimate is contacted with a drying agent such as a desiccant to maintain the environment whereby the substance sublimes at substantially atmospheric pressure and at the controlled temperature.

The invention relates to a continuous drying device (2) for drying hygroscopic goods to be dried, comprising a drying chamber (4) for receiving the goods to be dried, comprising conveying means for conveying the goods to be dried from an inlet (6) to an outlet (8) of the drying chamber (4) during the drying process, in a conveying direction (10), and comprising air-conditioning means for setting a drying climate in the drying chamber (4) during the operation of the drying device (2), such that a plurality of climate zones (12 to 22), in which different zone climates can be set or are set or arise, are formed in succession in the conveying direction.