The burner capacities in this application are between 500 kW and 1.2 MW. Further areas of application are homogenization or furnace modernization. The smallest sensible size is 200kW. The possible fuel saving is over 40 %.
The Kobra system can be fitted for different fuels. This is made possible by a simple substitution of the gas lance. It is possible to use the burner with natural gas H and L as well as LPG. The generally stable control range is 1:3, up to 1:5 is possible.
Even during the design phase, the emphasis was placed on simple assembly/disassembly and maintenance. Only a few tools are required therefor. Since, for example, the drive of the gas lance is construed asymmetrically, incorrect installation is not possible. During maintenance and repairs, assembly errors are avoided right from the start.
The heart of the Kobra burner is the internal "rotor". This separates the air and exhaust gas sides within the burner and is responsible for the flow distribution. A sealing system separates the air and exhaust gas housings. The rotor is driven for continuous regeneration by an electric motor controlled by a frequency converter. The entire drive takes place inside the burner. Outside there are no open moving or rotating parts. This reduces the risk of accidents near the burner.
The heat exchanger consists of ceramic honeycombs and the Kobra is equipped with a UV cell for flame monitoring.
The system can be used in relatively clean furnace atmospheres. Dust and other deposits can be discharged by air blowing, significantly extending maintenance cycles (up to one year).
_{(Source: Gesellschaft für Energiewirtschaft und Kybernetik mbH)}