Continuous drying apparatus and method
AssigneeActive Land International Corporation
InventorJulio R. BARTOL
Life of this patent
Estimating the term…
Abstract
Provided are a continuous drying apparatus and method. The apparatus includes a combustion chamber, a heat exchange chamber, a filter, a mixing chamber, and a drying chamber. Biomass to be dried is loaded into an upper end of the drying chamber and falls on a rotating plate at a bottom of the drying chamber. Heated gas from the combustion chamber is mixed with recycled gas output from the drying chamber, and with recycled gas output from the heat exchange chamber, is filtered and is directed to the mixing chamber. Gas circulates within the mixing chamber and is directed into a lower end of the drying chamber at a drying temperature. The biomass loaded into the drying chamber is dried by the gas, and is extracted off the rotating plate.
Claims11
A continuous drying apparatus comprising:
- a drying chamber, into which charge material is loadable, comprising a plate forming a lower surface thereof, and an exit opening in a lower end of a peripheral wall thereof;
- a combustion chamber which heats gas;
- a filter which filters recycled gas output from the drying chamber, the heat exchange chamber and the combustion chamber;
- a heat exchange chamber which receives gas at a first temperature, from the combustion chamber, and gas at a second temperature, lower than the first temperature;
- enables an exchange of heat between the gas from the combustion chamber and the gas at the second temperature;
- and outputs gas;
- and
- a mixing chamber which received gas from the filter and outputs gas to the drying chamber.
A continuous drying apparatus, comprising:
- a drying chamber, a filter, a combustion chamber, a heat exchange chamber, a mixing chamber, and a chimney, wherein:
- the drying chamber comprises an opening through which biomass is loadable and an extractor which extracts biomass therefrom;
- the drying chamber receives gas at a drying temperature from the mixing chamber and outputs recycled gas, which is directed to the filter, and exhaust gas;
- the filter filters the recycled gas from the drying chamber, the heat exchange chamber and the combustion chamber and outputs filtered gas to the drying chamber;
- the combustion chamber heats gas and outputs heated gas to the heat exchange chamber;
- the heat exchange chamber enables an exchange of heat between filtered gas from the filter and heated gas from the combustion chamber and outputs gas to the mixing chamber;
- the mixing chamber comprises at least one fan which directs the gas at a drying temperature into the drying chamber.
A continuous drying apparatus comprising:
- a drying chamber comprising a loading means for loading biomass into an upper end of the drying chamber;
- and an extracting means for extracting biomass from a lower end of the drying chamber;
- filtering means for filtering gas entering the drying chamber;
- combustion means for heating gas;
- heat exchange means for enabling an exchange of temperature between gas from the combustion means and gas from one or more of the drying chamber, the filtering means, and the external atmosphere, and outputting gas to the filtering means.
A continuous drying method comprising:
- providing gas at a drying temperature and material to be dried to a drying chamber;
- and
- drying the material within the drying chamber and extracting dried material from the drying chamber;
- wherein providing the gas at the drying temperature comprises:
- heating gas in a combustion chamber;
- mixing gas output from the drying chamber, with gas output from the combustion chamber;
- and providing mixed gas at the drying temperature to the drying chamber.
Dependencies are inferred from the claim text.