Fluidized bed with spray nozzle shielding.

1a. Fluidized bed treatment device having a product container section (12) opening downwardly over a gas distribution plate or screen (18) in a plenum chamber (16), wherein the gas distribution plate or screen (18) openings (20) to provide a fluidizing gas, in particular air, from the plenum chamber (16) to allow upward flow into the product container section (12) to swirl in this particle (60) and to form a fluidized bed, the product container section (12) includes a spray nozzle (32), characterized in that means are present, which are near the spray nozzle (32) arranged and designed to form when operating a spray nozzle surrounding (32) the gas stream, so that said means and the gas flow in the operation of the of said nozzle (32 shield) formed Anfangssprüh pattern against the ingress of moving in the fluidized bed particles (60).1b. Fluidized bed treatment device having a product container section (12) opening downwardly over a gas distribution plate or screen (18) in a plenum chamber (16), said gas distributor plate ...