PLANT FOR SUSPENSION DRYING WITH PASSIVE NOZZLE Russian patent published in 2008 - IPC F26B3/12 

FIELD: heating.

SUBSTANCE: plant with passive nozzle for suspension drying contains housing with gas-distributing lattice and suspension sprinkler. Heated chamber is located in housing in axial alignment to it. Pipe with radial orifices and expanding nozzle linked to gas-distributing nozzle is connected to the lower part of chamber. This pipe is designed to supply additional coolant and injector for suspension dispersion is implemented as housing with chamber, where screw with the external threaded groove is located. Besides, bottom of housing is provided with throttling opening. Choke with cylindrical opening is in the top of housing. Threaded opening is available inside screw, and thread direction is opposite to external threaded groove. Agitating chamber is situated under the screw. Agitating chamber consists of cylindrical and tapered parts. Screw is rigidly linked with T-shaped throttle plate, where at least three throttling openings are made in its end cylindrical part. Axial throttling opening is available in axial cylindrical part rigidly connected to end cylindrical part. In addition, hydraulic resistance of throttling openings is selected in dependence on properties of sprayed suspension and required rate of dispersion.

EFFECT: improvement of drying efficiency.

3 cl, 2 dwg