Low-tower granulation discharging and recycling device for agricultural potassium nitrate production

The utility model discloses a low-tower granulation discharging and recycling device for agricultural potassium nitrate production, and relates to the technical field of chemical production. The device comprises a first round pipe, a second round pipe, a third round pipe and a fourth round pipe, the second round pipe is slidably connected to the outer side of the first round pipe, the third round pipe is slidably connected to the outer side of the second round pipe, the fourth round pipe is slidably connected to the outer side of the third round pipe, and the bottoms of the two sides of the peripheral face of the fourth round pipe are each rotationally connected with a screw. And the peripheral surface of the screw rod is sleeved with a baffle in a threaded manner. The four relatively independent structures of the first round pipe, the second round pipe, the third round pipe and the fourth round pipe are arranged, the four round pipes are arranged to be in sliding connection, and the baffle is driven to move