Introduction: Burners, commonly known as burners, are one of the main components of rotary kiln systems. It is composed of system equipment. Its structure and performance are different. It can use different fuel combustion devices.
In general, the basic basis for choosing a burner device is:
1. Applicability to selected energy media.
2. Compatibility with the selected calcining equipment (rotary kiln).
3, to meet the need for combustion and calcination adjustability.
The burner (burner) device for a rotary kiln has different characteristics in terms of structure, performance and the like depending on the selected fuel. There are many types of burners, but under any conditions, they should have the basic characteristics of being able to form a flame shape when the fuel is blown out of the burner and begins to burn.
The flame shape produced by different burners is different. The reason for this is that it should form the required flame shape based on the performance of the rotary kiln and the requirements of the calcined material. Different flame characteristics such as long flame, short flame, wide flame, narrow flame, etc.
For this reason, while understanding the performance of a set of burners, there should also be a basic understanding of the concept of flame.
The operating status of a rotary kiln depends to a large extent on the performance of the burner (burner). The extent to which the material is calcined depends on the desired temperature of the material. The temperature is derived from the heat generated by the calcination of the fuel and the heat transfer effect. The process of heat transfer must have a hot gas flow that reaches the desired temperature. The specific expression of the temperature of the hot gas flow is due to the effect of the flame shape and the temperature generated by the combustion state.
There are many factors that can affect the shape of a flame. For example, burner structure, fuel properties, kiln length, internal diameter, air configuration, ventilation status, etc.
The most basic feature of the flame shape is generally the length and width of the flame during its unfolding. The ideal position of the flame extension usually means that when the flame is slightly directed at the material surface, this is the position where the flame and the material perform the best heat exchange.
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