Diffusionsbrenner

A Diffusionsbrenner, also known as a diffusion flame burner, is a type of burner that operates by mixing fuel and air through diffusion rather than premixing them before combustion. This process occurs when fuel is released into the air, and the flame is formed where the fuel and air mix in the correct proportions for combustion. The diffusion flame is characterized by a visible flame front where the reaction takes place.

Diffusionsbrenner are commonly used in various applications, including industrial processes, heating systems, and cooking appliances. They are particularly useful in situations where precise control of the air-fuel mixture is not critical, or where the fuel and air cannot be premixed effectively. The design of a diffusion burner is relatively simple, typically consisting of a fuel nozzle or port through which the fuel is released into the combustion chamber. Air is drawn into the combustion zone through natural convection or forced draft, depending on the specific design.

One of the main advantages of diffusion burners is their simplicity and robustness. They can operate with a wide range of fuels, including gases, liquids, and even some solid fuels. However, diffusion flames tend to produce higher levels of pollutants, such as carbon monoxide and nitrogen oxides, compared to premixed flames. This is because the combustion process is less efficient and more incomplete due to the uneven mixing of fuel and air.

In summary, a Diffusionsbrenner is a type of burner that relies on the diffusion of fuel and air to create a flame. While they are simple and versatile, they are generally less efficient and produce more pollutants than premixed burners. Their use is widespread in various industrial and domestic applications where precise control of the combustion process is not a primary concern.