1. The fuel used in oil burners is generally light diesel or heavy diesel. Light diesel is made from various straight-run diesel fractions, catalytic diesel fractions and mixed thermal cracking diesel fractions of petroleum. Its products are divided into 3 grades according to quality: superior products, first-class products and qualified products. Each grade is divided into 6 grades according to the freezing point: 10, -10, -20, -35 and -50. Boilers generally use No. 0 or -10 diesel. Heavy oil is made from cracked heavy oil, vacuum heavy oil, atmospheric heavy oil or wax oil in different proportions. It is divided into four grades: 20, 60, 100 and 200 according to the kinematic viscosity of 80 degrees.
2. Fuel burners can be divided into one-stage, two-stage, three-stage and proportional adjustment according to the adjustment method. The first-stage burner has only one fuel injector and cannot switch the size of the load; the second-stage burner has two fuel injectors, which are divided into small and large fires; the third-stage burner has three fuel injectors, and a total of three stages of fire can be switched; proportion There is only one proportional adjustment injector for adjusting the burner, and the load can be adjusted arbitrarily.
3. Fuel burners can be divided into mechanical atomization type and medium atomization type according to their atomization form.
4. Composition of fuel burner: Generally composed of burner shell, program controller, fan, oil pump, servo motor, electric eye, solenoid valve, combustion head, flame stabilizing plate, etc.
5. Functions of each component of the burner: The burner shell is the carrier of each component, and many components are fastened to the shell; the program controller is a device used to control the ignition program of the burner; the fan room drives the impeller to provide sufficient fuel for combustion. The air device; the oil pump is connected to the fan through a coupling, and the rotation of the fan drives the oil pump to provide fuel with a certain pressure for combustion; the servo motor is used to control the opening of the damper to adjust the air inlet volume to optimize the combustion condition device; the electric eye is a safety protection device on the burner. Only when there is a flame can it send a current signal to the program controller, and the program can continue, otherwise it will shut down due to malfunction; there is a pair of ignition electrodes and nozzles on the combustion head. The oil nozzle outputs high-voltage ignition through the transformer to ignite the fuel; the flame stabilizing plate is a device used to adjust the ratio of DC air and swirling air.
6. Burner operating procedure: After the burner is turned on, the burner program controller outputs a signal and the fan starts to run. The servo motor drives the damper to the full load position for pre-purge. After the pre-purge is completed, the servo motor drives the damper back to the ignition position. At this time The ignition transformer outputs high-voltage ignition electrode to ignite, and the solenoid valve opens at the same time. If the ignition is successful, the program will continue to convert the load size according to the heat demand. If the ignition is unsuccessful and the electric eye cannot detect the flame, the program will be terminated and the solenoid valve will be closed. No more spraying oil into the furnace.
1. The fuel used in oil burners is generally light diesel or heavy diesel. Light diesel is made from various straight-run diesel fractions, catalytic diesel fractions and mixed thermal cracking diesel fractions of petroleum. Its products are divided into 3 grades according to quality: superior products, first-class products and qualified products. Each grade is divided into 6 grades according to the freezing point: 10, -10, -20, -35 and -50. Boilers generally use No. 0 or -10 diesel. Heavy oil is made from cracked heavy oil, vacuum heavy oil, atmospheric heavy oil or wax oil in different proportions. It is divided into four grades: 20, 60, 100 and 200 according to the kinematic viscosity of 80 degrees.
2. Fuel burners can be divided into one-stage, two-stage, three-stage and proportional adjustment according to the adjustment method. The first-stage burner has only one fuel injector and cannot switch the size of the load; the second-stage burner has two fuel injectors, which are divided into small and large fires; the third-stage burner has three fuel injectors, and a total of three stages of fire can be switched; proportion There is only one proportional adjustment injector for adjusting the burner, and the load can be adjusted arbitrarily.
3. Fuel burners can be divided into mechanical atomization type and medium atomization type according to their atomization form.
4. Composition of fuel burner: Generally composed of burner shell, program controller, fan, oil pump, servo motor, electric eye, solenoid valve, combustion head, flame stabilizing plate, etc.
5. Functions of each component of the burner: The burner shell is the carrier of each component, and many components are fastened to the shell; the program controller is a device used to control the ignition program of the burner; the fan room drives the impeller to provide sufficient fuel for combustion. The air device; the oil pump is connected to the fan through a coupling, and the rotation of the fan drives the oil pump to provide fuel with a certain pressure for combustion; the servo motor is used to control the opening of the damper to adjust the air inlet volume to optimize the combustion condition device; the electric eye is a safety protection device on the burner. Only when there is a flame can it send a current signal to the program controller, and the program can continue, otherwise it will shut down due to malfunction; there is a pair of ignition electrodes and nozzles on the combustion head. The oil nozzle outputs high-voltage ignition through the transformer to ignite the fuel; the flame stabilizing plate is a device used to adjust the ratio of DC air and swirling air.
6. Burner operating procedure: After the burner is turned on, the burner program controller outputs a signal and the fan starts to run. The servo motor drives the damper to the full load position for pre-purge. After the pre-purge is completed, the servo motor drives the damper back to the ignition position. At this time The ignition transformer outputs high-voltage ignition electrode to ignite, and the solenoid valve opens at the same time. If the ignition is successful, the program will continue to convert the load size according to the heat demand. If the ignition is unsuccessful and the electric eye cannot detect the flame, the program will be terminated and the solenoid valve will be closed. No more spraying oil into the furnace.