A boiler burner consists of several key subsystems, including the control system, ignition system, fuel supply and atomization system, air supply system, and monitoring/protection devices:
1. Control Core
Program Controller (Process Management Controller): The "brain" of the burner, which automatically manages the entire operational sequence—including startup, pre-purge, ignition, opening of fuel/gas valves, monitoring of stable combustion, and safe shutdown.
Proportional Controller (in some models): Automatically adjusts the fuel valve opening and air damper position based on boiler load fluctuations to achieve proportional combustion control.
2. Ignition System
Ignition Transformer (High-Voltage Coil): Converts low-voltage electricity into high voltage (tens of thousands of volts) to create an electrical spark between the electrodes.
Ignition Electrode (Ignition Rod): Composed of a high-temperature-resistant ceramic insulator and a metal tip; it discharges high-voltage electricity to ignite the fuel.
3. Fuel Atomization and Supply System (varies by fuel type)
Fuel/Gas Nozzle: Atomizes liquid fuel or distributes gaseous fuel evenly into the combustion chamber, where it mixes with air.
Gas Valve Train: For gas-fired burners; includes solenoid valves, pressure regulators, filters, and gas leak detectors to ensure safe fuel shut-off, pressure stabilization, filtration, and leak monitoring.
Fuel Piping and Oil Pump: For oil-fired burners; responsible for transporting fuel and generating the required injection pressure.
4. Air Supply System
Blower Impeller: Driven by an electric motor, it supplies the necessary combustion air.
Air Damper and Servo Motor: Regulate the volume of incoming air to maintain an optimal air-fuel ratio.
5. Combustion, Monitoring, and Protection Devices
Combustion Head Assembly (Flame Tube/Swirl Vane): Stabilizes the flame shape and ensures thorough mixing of air and fuel.
Flame Sensor (Ionization Probe/Photocell): Continuously monitors for the presence of a flame. If a flameout occurs, it immediately signals the program controller to shut off the fuel supply, preventing safety hazards.
A boiler burner consists of several key subsystems, including the control system, ignition system, fuel supply and atomization system, air supply system, and monitoring/protection devices:
1. Control Core
Program Controller (Process Management Controller): The "brain" of the burner, which automatically manages the entire operational sequence—including startup, pre-purge, ignition, opening of fuel/gas valves, monitoring of stable combustion, and safe shutdown.
Proportional Controller (in some models): Automatically adjusts the fuel valve opening and air damper position based on boiler load fluctuations to achieve proportional combustion control.
2. Ignition System
Ignition Transformer (High-Voltage Coil): Converts low-voltage electricity into high voltage (tens of thousands of volts) to create an electrical spark between the electrodes.
Ignition Electrode (Ignition Rod): Composed of a high-temperature-resistant ceramic insulator and a metal tip; it discharges high-voltage electricity to ignite the fuel.
3. Fuel Atomization and Supply System (varies by fuel type)
Fuel/Gas Nozzle: Atomizes liquid fuel or distributes gaseous fuel evenly into the combustion chamber, where it mixes with air.
Gas Valve Train: For gas-fired burners; includes solenoid valves, pressure regulators, filters, and gas leak detectors to ensure safe fuel shut-off, pressure stabilization, filtration, and leak monitoring.
Fuel Piping and Oil Pump: For oil-fired burners; responsible for transporting fuel and generating the required injection pressure.
4. Air Supply System
Blower Impeller: Driven by an electric motor, it supplies the necessary combustion air.
Air Damper and Servo Motor: Regulate the volume of incoming air to maintain an optimal air-fuel ratio.
5. Combustion, Monitoring, and Protection Devices
Combustion Head Assembly (Flame Tube/Swirl Vane): Stabilizes the flame shape and ensures thorough mixing of air and fuel.
Flame Sensor (Ionization Probe/Photocell): Continuously monitors for the presence of a flame. If a flameout occurs, it immediately signals the program controller to shut off the fuel supply, preventing safety hazards.