Patent ID: 8206149

Claim:
A burner for introducing solid, liquid or gaseous fuel into the burning zone of a kiln, said burner comprising: a burner pipe which encircles a number of ducts for conveying fuel and combustion air through the burner to nozzle openings provided at a free end of the burner, wherein the burner pipe comprises modules which are fixed to one another by fixing means which allow non-destructive assembly and disassembly of the modules, and that the fixing means are fitted to the inner side of the burner pipe; and a central part which contains at least a portion of the number of ducts for conveying solid, liquid or gaseous fuel to separate nozzle openings, and being capable of axial displacement back and forth in the burner pipe, wherein the modules of the burner pipe at each of their ends foreseen for connection to another module comprises an inwardly protruding flange which is constructed for fixation of the fixing means.