Solar-Powered Tobacco Leaf Drying Barn-Device
Innovative Solar-Powered Technique for Drying Tobacco Leaf Seeds Using Heat Blowers
Traditional open-air sun drying process is one of the oldest, simplest, and widely prac-ticed by local farmers in rural areas. The process requires relatively low capital investment,but a large drying area, and is time consuming and generally unhygienic.
Configuration o the System
- The solar cabinet dryer geometrical set up is shown in schematic diagram.
- The solar cabinet drying system consists of a blower, and a flatbed drying chamber.
- The drying system is a forced convection mixed-mode type.
- The blower is placed on the outlet to suck air.
- The solar cabinet dryer capacity to store 50 kg of tobacco leaves.
Design consideration of the system
- Temperature—The min. temp. for drying tobacco leaves is 300 K and the max. temp. is 348 K
- Efficiency of solar dryer, it is a ratio of the useful output/to the input of the device.
- Dryer Trays—Aluminum can be used as dryer trays to pass air circulation within the drying chambers.
- The design of the dryer chamber that made use of wooden wall sides.
- Hanging Tobacco Leaves for Drying in the room of size relative to the assumed quantities, capacity of the blower and the PV solar panel capacity.
- Pick leaves that are a pale-yellow for drying. Typically, the lower leaves on the plant will turn yellow sooner, so take those first for drying.
- The room is insulated and equipped with a ventilator.
- Monitoring the Drying Process to Completion.
- Control the humidity as your leaves dry.
- Monitor the leaves to know when they’ve dried enough. - Remove the stems from the leaves.
Technical steps
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