Our direct coal-fired hot air furnace is a robust thermal solution tailored for industries seeking high-temperature drying with energy efficiency and cost control. Built with a coal combustion unit, high-temp purifier, and air mixing chamber, this system delivers stable, dust-controlled hot air suitable for integration with spray towers, rotary kilns, drying tunnels, and fluidized beds.
Whether you're in chemicals, construction materials, agriculture, ceramics, or environmental waste drying, this furnace ensures steady output, high combustion efficiency, and minimal operational downtime.
Full combustion of coal ensures heat efficiency over 95%, minimizing fuel waste and cutting operational costs.
✅ Low-Dust, Clean Output
Dust emissions are maintained between 30–120 mg/Nm³, meeting environmental compliance while ensuring product purity.
Air temperature up to 1000℃, adjustable within a ±5℃ range during continuous operation for stable drying quality.
Explosion-proof construction with thermal monitoring and simplified control-no high-pressure gas or oil required.
Simple startup procedure, modular structure for routine inspection, and long service cycle-reducing long-term costs.
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Direct Coal-Fired Hot Air Furnace |
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0.5 – 20 million Kcal/hr (customizable) |
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Up to 1000℃ |
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>= 95% |
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30–120 mg/Nm³ |
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Manual or semi-automatic |
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On-site engineer guidance available |
Multi-stage Air Mixing Room: Ensures homogenous hot air distribution.
: Uniform fuel feeding and stable flame length.
: All heat is fully utilized during drying, maximizing efficiency.
: Designed per production line or drying room needs.
second-class air quality standards (e.g., China GB13271), ensuring that your production aligns with modern -ideal for sustainability-focused operations.
cost-effective and eco-friendly heating solution tailored to your production needs.
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