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An Air Heating Furnace is a system designed to heat air and distribute it for various uses - such as drying, space heating, or supplying hot air to other processes. It works by passing air over heated surfaces (like heat exchangers, electric coils, or burners), then pushing the hot air into ducts or chambers using fans or blowers.
Common Industrial Uses:
Paint booths & drying ovens
Baking, curing, and preheating processes
HVAC systems in factories or large buildings
Clean room or pharmaceutical environments
Ceramic, textile, food, and paper industries
Key Components
Heat Exchanger - Transfers heat to air (indirect systems)
Burner or Heater - Gas, oil, or electric coil that provides the heat
Fan/Blower - Pushes air through the system
Controls - Thermostats, PLCs, and safety shutdowns
Filters - Clean air intake to protect downstream processes
Ducting/Outlet - Directs hot air to required zones
Advantages
Continuous air supply with stable temperature
Suitable for both process and comfort heating
Can be customized for clean air, humidified air, or recirculation
