| 摘要 |
<p>A burner (1) for burning particulate plastics material comprises a feed chamber (2), a mixing chamber (3), an inlet (4) for admitting particulate plastics material into said feed chamber (2), a tube (5) extending between said feed chamber (2) and said mixing chamber (3), means (6) for cooling said tube (5), a pipe (9) for introducing air or oxygen enriched air into said feed chamber (2) to entrain particulate plastics material in said feed chamber (2) and convey it through said tube (5) into said mixing chamber (3), a first set of openings (10) arranged to introduce oxygen enriched air into said mixing chamber (3) so that it flows around the circumference of said mixing chamber in one sense, a second set of openings (11) axially displaced from said first set of openings (10) and arranged to introduce oxygen enriched air into said mixing chamber (3) so that it flows around the circumference of said mixing chamber (3) in the opposite sense, and at least one conduit (15) for introducing a fuel into said mixing chamber adjacent the outlet of said tube (5).</p> |
