Project story · Grain drying · 2025
Clean hot air for a belt grain dryer
A grain operation kept its belt dryer and changed the fuel. An 18 million BTU SCW unit burns wood chips and sends clean, hot outside air down a duct into the dryer's burner housing.
- Operation
- Grain drying
- Dryer
- Belt dryer, kept as is
- System
- 18 million BTU (5,275 kW)
- Heat
- Clean hot air through a heat exchanger
- Fuel
- Wood chips
- Hookup
- Duct into the dryer's existing burner housing
- Installed
- 2025
Why clean air
The fire and its exhaust never touch the grain. A heat exchanger heats clean outside air, and only that air goes to the dryer. The exhaust goes up the stack.
One job, start to finish





The result
The farm kept its belt dryer. The heat now comes from wood chips.
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