Patent ID: 7107771

Claim:
A device for the introduction of fuel into a premixing burner useful for operating a gas turbine in the entire load range, comprising: a burner lance positioned axially in the center of the premixing burner; burner shells; a supply line in fluid communication with the burner lance, configured and arranged to supply liquid fuel or gas fuel to the burner lance; a pilot gas feed in fluid communication with the burner lance supply line; a premix gas feed in fluid communication with the burner shells of the premixing burner; a common gas delivery line system through which premix gas and pilot gas can be fed into the premixing burner; at least a first regulating unit configured and arranged to regulate the feed of pilot gas through the supply line to the burner lance; and at least a second regulating unit configured and arranged to regulate the supply of liquid fuel through the supply line to the burner lance.