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The hot blast stove is a key heat source in compound fertilizer production lines. It supplies stable hot air to rotary drum dryers for efficient moisture removal and consistent product quality. In NPK production, proper drying is critical to granule strength and storage stability. The hot blast stove ensures uniform heat supply, preventing uneven drying, caking, and thermal decomposition.
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ec@shyychina.comFurnace Body
Manganese steel forms the outer shell, providing high strength and heat resistance.
Combustion Chamber
The chamber fully burns the fuel to ensure high combustion efficiency.
Burner System
Configured with coal or gas burners depending on the fuel type.
Air Supply System
Provides primary and secondary air to maintain stable combustion.
Hot Air Outlet System
Delivers stable hot air directly to the drying equipment.
Control System
PLC-based control enables automatic operation and safety protection.
The hot blast stove generates hot air through controlled fuel combustion and heat exchange. Fuel burns in the combustion chamber with a regulated air supply, ensuring complete combustion and efficient heat transfer to the airflow.
The heated air is then delivered to the rotary drum dryer at the required temperature. By adjusting fuel input and airflow, the system maintains stable heat output, enabling uniform drying while preventing material overheating and decomposition.
Compound Fertilizer Production
NPK fertilizer plants widely use the hot blast stove as a heat source for rotary drum dryers. It ensures uniform drying, improves granule strength, and reduces caking during storage.
Organic Fertilizer Processing
Suitable for drying high-moisture organic materials such as manure, sludge, and compost, ensuring efficient moisture reduction.
Mineral and Powder Drying
It serves for drying limestone, gypsum, coal powder, and mineral fines that need stable heat supply.
Building Materials Industry
Used in cement plants for drying sand, slag, and fly ash, supporting continuous industrial production.
Chemical Industry
Provides heat for drying chemical powders and granules in various processing systems.
| Model | Rated Heating Cap. （Mkcal/h） | Working Temp （°C） | Blower Power（kW） | Induced Fan Power （kW） | Main Dimensions (D×L, m) | Drying Capacity（T/H） |
| SYM-120 | 1.2 | 120-250 | 30 | 11 | Ø 2.4 × 5.2 | 3-5 |
| SYM-180 | 1.8 | 120-300 | 37 | 18.5 | Ø 2.8 × 6.8 | 5-8 |
| SYM-360 | 3.6 | 120-350 | 55 | 37 | Ø 3.5 × 9.5 | 8-15 |
| SYM-600 | 6 | 120-550 | 75×2 | 55 | Ø 4.2 × 12.0 | 15-25 |
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