Spray nozzle used for a fluidized bed apparatus, has a flexible cleaning cap arranged around a nozzle cap with a feed for cleaning air arranged between the nozzle body and the cleaning cap

摘要

Spray nozzle consists of a nozzle body (2); a nozzle cap (9); an outlet opening (13) for a liquid impinged with solids; and an outlet opening (14) for a gas. A flexible cleaning cap (8) is arranged around the nozzle cap. A feed for cleaning air is arranged between the nozzle body and the cleaning cap.