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At the heart of many industrial processes, Induced Draft (ID) centrifugal fans ensure safe, efficient, and continuous operation. Designed to handle hot gases, toxic fumes, and heavy-duty exhaust systems, ID fans deliver powerful negative pressure and long-lasting durability, making them a must-have solution for power plants, cement factories, and waste incineration systems.
1. Key Applications of ID Centrifugal Fans
ID centrifugal fans are widely used in systems requiring forced air flow extraction and handling. Typical applications include:
Industrial Boilers: Extract flue gases after fuel combustion (coal, biomass, oil, etc.) and channel them into treatment systems or chimneys, ensuring efficient and safe combustion.
Cement, Power, and Metallurgy Plants: Maintain negative pressure in cyclones, kilns, and combustion chambers to regulate airflow and temperature.
Dust Collection Systems: Serve as a core component connected to cyclones, bag filters, or ESPs to discharge treated exhaust gases.
Waste & Biomass Incineration Lines: Control airflow and pressure to optimize combustion efficiency and flue gas management.
2. Distinctive Technical Features
ID centrifugal fans are specially designed to meet the stringent requirements of industrial environments, with the following outstanding features:
High Negative Pressure: Effectively extracts gases through complex duct systems.
High-Temperature Resistance: Operates reliably in environments up to 250°C–450°C, or higher with bearing cooling systems.
Backward-Curved Impellers: Reduce energy consumption, minimize noise, and extend service life.
Flexible Drive Options: Belt drive or shaft coupling for adjustable speed to match system demands.
Material Customization: Available in carbon steel, heat-resistant alloys, or stainless steel depending on operational conditions.
3. Reference Technical Specifications
Below is a typical specification table of a medium capacity ID centrifugal fan. These parameters can be customized to suit each specific system:
ID centrifugal fan CFE.BC317-2X large capacity, large flow, shaft drive
- Flow rate: up to 300,000 m³/h
- Pressure: up to 3,000 Pa
- Motor power: up to 560 kW
- Voltage: 380V / 6kV / 10kV
- Operating temperature: up to 300°C
- Bearing lubrication: oil bath / water-cooled systems
- Materials: SS400, high-strength steel, stainless steel
Choosing the right ID fan is key to achieving performance and efficiency. Pairing the fan with a Variable Frequency Drive (VFD) not only saves energy but also minimizes mechanical wear and extends service life.
