What Is Complete Combustion?

Complete combustion refers to the combustion of all combustible substances (carbon, hydrogen, sulfur, etc.) contained in the fuel, which, when combined with oxidation, generate only carbon dioxide, water vapor and sulfur dioxide. Because the heat generated by the fuel can be completely released during complete combustion, so that the fuel can be fully utilized, so in combustion equipment, complete combustion should be performed as much as possible. To achieve the complete combustion of fuel, the following conditions must be met: (1) Good combustion equipment suitable for the type of fuel must be available; (2) When the lump coal is burned, the fuel should be evenly distributed on the grate (grate) and burned as much as possible When using pulverized coal, it is necessary to use the secondary air reasonably. For liquid fuel, it must ensure a good atomization quality. (3) Supply an appropriate amount of combustion air, that is, the excess air coefficient must be appropriate. (4) Perform necessary control of the combustion temperature. Make it not too low or too high; (5) Ensure that the fuel has a sufficient residence time in the grate (or combustion chamber). ^[1]

The complete conversion of matter is "complete combustion."

No longer contained in the combustion products (fume, ash) after combustion

The burner that guarantees complete combustion is arranged in parallel with the motor according to the shaft, and the internal structure has been carefully designed. At the same time, the motor is placed in the recess of the air inlet. Therefore, the size of this burner is larger than that of the same output. The burner is nearly 30% smaller and cools the motor more effectively.

Its combustion head can be removed, so the burner does not need to be removed from the boiler when replacing the nozzle. The connection of all wires is plug type, and because the mating plugs have a special shape, the danger of misconnection can be avoided.

Ordinary burners usually turn off the power of the oil pump and fan at the same time to extinguish the flame. At this time, the fuel in the combustion head is still not completely burned, resulting in insufficient air supply and the introduction of another new burner that guarantees complete combustion is incomplete. combustion. The incomplete combustion of oil droplets when the flame is extinguished will generate a large amount of atmospheric pollutants such as CO, black smoke and hydrocarbons. It is one of the main sources of pollutants produced by light oil burners, so it is best to ensure that the flame is extinguished. Combustion is the determinant of minimizing pollutant emissions.

The control box of the burner to ensure complete combustion has a special function. After stopping the oil pump, it can also control the supply of tender air to ensure that the remaining light oil is completely burned. Only when the photocell gives a signal that the flame is completely extinguished, the fan is turned off. This is post-combustion control. The application of this technology not only reduces the emission of pollutants, but also saves the combustion head and the combustion chamber from the deposition of unburned materials, which facilitates maintenance and extends the life of the burner.

This burner also has a very important safety protection function if it is indicated after the oil pump is turned off. The photocell still failed to give a signal that the flame was completely extinguished. The control box judged that the photocell was faulty or the switching system of the fuel supply was faulty, and then the burner was locked. Only the engineer can restart it. ^[3]

Poor atomization caused by too low combustion temperature not only affects combustion efficiency, but also increases pollutant emissions. This phenomenon is particularly prominent during ignition. In order to solve this problem, the burner company developed a new type of resistance automatic adjustable preheating, which can make the burner ignite only when the light oil reaches the preset optimal temperature, and maintain this throughout the combustion cycle. An ideal temperature ensures ideal atomization during ignition and combustion, which ensures optimal ignition and reduces waiting time. It also protects the combustion head and combustion chamber from unburned matter for a long time. This preheater ensures a stable supply of combustion in the event of changes in storage temperature and power supply voltage.

This burner that guarantees complete combustion has absorbed a lot of high and new technologies in the design process and brought many new concepts into the field of burners, representing the technical level of the burner industry in the 21st century. Its application can not only improve combustion efficiency and improve the environment, but also bring new directions and vitality to the development of burner design technology ^[4] .