| 摘要 |
<p>An oxy-fuel burner 2 includes a body 4 having an inlet 14 for fuel gas and an inlet 24 for oxygen. The body 2 includes at its distal end a nozzle arrangement for the passage therethrough of the gases. The nozzle arrangement includes at least two aperture plates 16, 20 at least one aperture plate 16 being rotatable relative to the remaining plate 20 for altering the configuration of the flame emanating from the burner 2 when in use. <IMAGE></p> |
