DRYER FOR SUSPENSION BED WITH IMPULSE-6 TYPE PASSIVE NOZZLE Russian patent published in 2008 - IPC F26B17/10 F26B3/12 

FIELD: heating, drying.

SUBSTANCE: invention relates to disperse materials drying technologies in boiling bed and may be used in aniline-ink industry, food, pharmaceutical, microbiological, chemical and other industries. Invention deals with the dryer with passive nozzle for suspension bed containing housing with gas-distributing lattice in the form of packed lattices made from springs located in the same plane and connected to vibrating plates and passive nozzle, injector, vibration mechanism in the form of plates installed in dryer housing so that they can rotate against axes. Additional plates of different length are rigidly fixed to vibrating plates in staggered pattern and positioned at an angle varying within, for example, 80...40°. Free tops of additional plates near the right vibrating plate are directed upwards, whereas those tops located near the left vibration plate are directed downwards. Injector is made acoustic and includes housing with acoustic vibration generator being in the form of nozzle installed on lid, rod-shaped jet-edge generator and pipes for spraying agent and damp source product supply. Housing is represented in the form of cup with bottom, where cylindrical cavity is provided for supply damp source product through pipe located on lid. Fastening element is mounted on top of lid, which helps to fix the upper part of rod-shaped gas-edge generator in nozzle. The upper part is in hinged connection with the lower part of rod, which is fixed with regard to cone-shaped opening made in lid by means of, at least, on retaining disk implemented in the form, at least, three elastic blades interacting with internal surface of cone-shaped opening in lid. Slotted channel is realized between opening in housing bottom and outer surface of nozzle. Damp source product is supplied along the said channel. Annular channel is provided between internal surface of cone-shaped opening and external surface of lower part of rod, which delivers spraying agent.

EFFECT: improvement of drying efficiency.

4 dwg