| 摘要 |
A burner head has a fuel inlet and a firing portion through which fuel flows to be burnt. The firing portion comprises a plurality of spaced apart elongate elements with elongate fuel flow passages therebetween. The plurality of spaced apart elongate elements may be formed of wire and preferably the wire is wedge wire having a generally triangular cross section oriented such that the fuel flow passages broaden out as the fuel flows through them to be burnt.
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