Burner with tangential spiral intake elbow

摘要

The burner (1) comprises a core tube (2), and a fuel tube (4), which is concentrically arranged around an annular fuel conveying cross-section (5). The fuel tube comprises a tangential spiral inlet manifold (6) in a fuel inlet side. A feed channel is provided, which extends spirally around the core tube. An independent claim is also included for a method for combustion of particulate fuel in a burner.