DISTRIBUTING DRYER OF BOILING BED WITH PASSIVE NOZZLE Russian patent published in 2008 - IPC F26B3/12 

FIELD: heating.

SUBSTANCE: distributing dryer of boiling bed with passive nozzle consists of body with gas-distributing lattice, vibration plates, injector, and vibration mechanism in the form of plates inserted into dryer body so that they can rotate with regard to axis. Besides, additional plates of different length are rigidly fixed in vibration plates in staggered rows at angles varying within the range, for example 80...40°. Besides, free tops of additional plates near right vibration plate are directed upwards, whereas those tops located near left vibration plate are directed downwards. Besides, recovery system is situated in body bottom. Recovery system includes acoustic plant where acoustic agglomeration takes place, cyclone and sleeve filter with silo. Injector is centrifugal and contains housing with chamber where screw is press-fitted. There is a throttling opening in housing bottom and choke with cylindrical opening is located in the top. Threaded opening is available inside screw and tapered chamber is situated above throttling opening. Tapered chamber is intended for forming cumulative fine swirling flow. Injector screw is produced from hard materials: carbide, tungsten, ruby and sapphire.

EFFECT: improvement of drying productivity.

2 cl, 2 dwg