A dust pelletizing system for large granule urea production

The utility model belongs to the technical field of remove dust and specifically relates to a dust pelletizing system for large granule urea production, including one -level dust collector and second grade dust collector, one -level dust collector is including a ceramic multitube cyclone dust collector and the two numbers ceramic multitube cyclone dust collector that establish ties, and the ceramic multitube cyclone dust collector's of one of them number entry is used for receiving the rich dirt gas that cooler drum that urea production in -process air -blower blew and granulation rotary drum in -process produced, two numbers ceramic multitube cyclone dust collector's exit linkage second grade dust collector together, second grade dust collector is including connecting in the draught fan of two numbers ceramic multitube cyclone dust collector exports, and the dust scrubbing tower that is connected with the draught fan washs circulating slot and washing circulating pump, and wherein the export and the atmosphe