How does a split oil burner improve combustion efficiency?
Publish Time: 2025-11-17
In industrial heating, boiler heating, and various thermal energy conversion systems, oil burners, as core heat source equipment, directly impact energy consumption, operating costs, and environmental emissions. In recent years, split oil burners, with their unique structural design and advanced control technology, have demonstrated significant advantages in improving combustion efficiency, gradually becoming the preferred solution for high-efficiency thermal systems.
Firstly, the split oil burner achieves more flexible and precise combustion organization through a design that separates the "burner head" from the "oil/air supply system." Traditional integrated burners, limited by their compact structure, often struggle to finely control flame morphology and combustion zones. The split structure allows the burner head to independently optimize nozzle layout, swirl intensity, and flame length, resulting in more uniform fuel atomization and more complete combustion. This modular design not only improves combustion stability but also reduces the generation of unburned carbon particles and carbon monoxide, significantly improving thermal efficiency.
Secondly, an efficient air-fuel ratio is key to improving combustion efficiency, and split oil burners have a natural advantage in this regard. Its independent air supply system can be equipped with a variable frequency fan or proportional regulating damper to dynamically adjust the combustion air volume according to real-time load; simultaneously, the fuel supply system can also achieve precise fuel supply through a high-precision metering pump and pressure regulating valve. These two systems work together to ensure that the optimal combustion state (λ≈1) is maintained close to the stoichiometric air-fuel ratio under different operating conditions. This precise control significantly reduces the excess air coefficient, minimizing heat loss carried away by flue gas, and typically increasing combustion efficiency to over 95%.
Third, the split structure provides greater scope for the adoption of advanced atomization technologies. For example, some high-end split burners integrate high-pressure air atomization, steam-assisted atomization, or rotary cup atomization devices, which can break heavy oil or residual oil into micron-sized droplets, greatly increasing the contact area between fuel and oxygen and accelerating the evaporation and combustion reaction rate. Compared to ordinary pressure atomization, this technology is not only suitable for various fuels (including low-quality fuels), but also allows for rapid establishment of a stable flame during low-temperature startup, reducing energy waste during the ignition phase.
Furthermore, the split oil burner facilitates the integration of intelligent control systems to further optimize the combustion process. By installing oxygen content sensors, flame monitors, and temperature feedback devices, the system can collect combustion data in real time, and the PLC or dedicated combustion controller automatically adjusts the air-fuel ratio, ignition timing, and load output. This closed-loop control not only maintains efficient combustion but also prevents safety hazards such as flameout and backfire, while meeting increasingly stringent nitrogen oxide (NOx) and particulate matter emission standards.
Finally, from a system integration perspective, the split design is easier to match with boiler furnaces or industrial kilns. Engineers can customize the burner's installation angle, flame diameter, and range according to the furnace size, heat load distribution, and flue gas flow characteristics, concentrating heat release in the optimal area, reducing local overheating or cold zones, and improving overall heat transfer efficiency. This "on-demand" flexibility is unmatched by integrated burners.
The split oil burner comprehensively improves combustion efficiency through the design freedom brought by structural separation, precise air-fuel ratio control, advanced atomization technology, intelligent management, and high compatibility with thermal equipment. It not only reduces fuel consumption and operating costs but also helps enterprises achieve a green and low-carbon transformation. With the continued rise in energy prices and increasingly stringent environmental regulations, split oil burners will inevitably play an increasingly important role in the field of industrial thermal energy.
