(57) The invention provides a gas burner tip A in the form of a cylindrical barrel (1)
closed at its outer end except for an opening (8) in an end wall (5) that is oblique
to the cylindrical surfaces. The cylindrical surface also contains a further opening
(9), smaller than the opening (8).
In a furnace burner, a plurality of similar tips A may be arranged uniformly disposed
around a ring past which swirling air is directed. The tips are similarly orientated
and the discharge of gas through them is effective to restrain aberrations in the
swirl of the air. These tips may be interspersed with other similar tips orientated
similarly to each other but differently orientated with respect to the first.
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