WO2001053751A1
A direct coal fired burner system (22) for a rotary kiln (20) in which the burner (36) has a multi-barrel construction through which primary air for conveying coal is heated with tertiary air sourced from the rotary kiln (20), and the shape of the emerging flame is controlled by a first annulus of swirling tertiary air adjacent the primary airstream and by a second annulus of laminar tertiary ...
WhatsApp: +86 18221755073