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Drying garlic with modular propane gas burners

Stack of boxes, some closed and some with slider (to process the product)
Drying boxes, Several sizes , sample aeration pallet

Perforated plate for Maximum passing through of air. Easy to clean (contamination). Special pallet for drying per layer individually

Efficient in use Easy for internal and external transport. Saving space Practical storage capability. Optimal use of height by storage in chests

Garlic can be dried by heating up the process air with directly fired, modular propane gas burners. The whole process is controlled by the Garlic ABC HVAC controller.

Example of a (mobile) drying unit with gas burner; sucked open air is warmed up with gas burners. The air then flows through the product to absorb and drain moisture.

The gas burners are available in different capacities. The capacity of the gas burners can be reduced by a gas pressure controller. It allows more or less gas and is automatically controlled by the ABC processor.
Reaches the desired temperature. This is then independent of the temperature of and the amount of air sucked in.

Gas burners have maximum and minimum capacity; minimum is 40% of the maximum. In low or warm air, the minimum capacity is often too much, which means that the temperature at minimal capacity still becomes too high.
The gas burner then goes out. By using 2 small gas burners, the minimum capacity is greatly reduced and the maximum desired capacity is achieved.

The ABC processor ensures that gas burner 1 starts at minimum capacity.
Capacity is automatically increased
When reaching the maximum capacity, gas burner 2 automatically kicks in.
Both automatically increase the capacity until the desired temperature is reached.
Gas burners are placed vertically in the air flow so that all air (outside or inside) is warmed up and all heat is sucked in by the fan.
Transparent view of a building. A fan sucks in air. Outdoor air suction, indoor (recycling) or mixed. The heated air is distributed at different levels.

The gas burners are fired immediately. This means that the gases and combustion moisture are sucked by the fans. The blown air is therefore wetter than the air sucked in.