We Assemble flat bed dryer by replacing plywood
A Flat Bed Dryer is a type of agricultural dryer used mainly to dry grains and vegetables . It consists of a flat, perforated bed where vegetables are spread in a thin layer. Hot air is blown through the bed to remove moisture from the vegetables
We used polycarbonate sheet instead of plywood for easy solar ray penetrations
Date 11/3/2024 – plastic net cutting
we cut the plastic net for Dryer tray to decrease waste of product
date 12/3/2025 Drying Trays Installation
Install mesh trays or racks inside the dome.
Position trays at different heights to allow airflow and maximize drying area.
date 14/3/2025 Ventilation System Setup
Install air inlet vents at the bottom and exhaust vents at the top.
Testing and CalibrationCheck the internal temperature and airflow.Adjust vents and tray spacing as needed.
20/03/25 tomato slicing
Tomato Drying Procedure in a Solar Dome Dryer
1. Selection of TomatoesChoose ripe, firm, and unblemished tomatoes.Avoid overripe or damaged fruits.
2. WashingWash tomatoes thoroughly with clean water to remove dirt and contaminants.
3. SlicingSlice tomatoes evenly (about 5–8 mm thick) for uniform drying.Remove excess seeds if desired.
4. Pre-Treatment (Optional)Dip slices in a solution of lemon juice or a mild saltwater solution for 2–3 minutes to preserve color and reduce spoilage.
5. DrainingPlace slices on a clean cloth or sieve to remove excess moisture before drying.
6. Tray ArrangementArrange tomato slices in a single layer on drying trays.Ensure slices do not overlap to allow even airflow.
7. Loading into Solar Dome DryerPlace trays inside the solar dome dryer.Leave space between trays for proper air circulation.
22/03/2025 Transfer to Flat Bed dryer
We transfer the semi-dried tomato slices to the flat bed dryer and electric dryer as a sample.
Spread evenly to avoid overlapping.
