The double roller press granulator may fail during use, and the following are some suggestions for maintenance and repair:

1. Regular inspection: Regular inspection of organic fertilizer equipment, including cleaning, lubrication, fastening bolts and inspection of worn parts.

2. Lubrication maintenance: Ensure that all parts that need lubrication have enough lubricating oil to reduce friction and wear.

3. Replacement parts: If the parts are found to be worn or damaged, they should be replaced in time, especially bearings, gears and blades.

4. Operation training: the operator should receive appropriate training to understand the correct operation method and maintenance knowledge of the equipment.

5. Fault diagnosis: For the occurrence of faults, a detailed diagnosis should be carried out to find out the cause and take appropriate measures to solve the problem. Adjust the gap: If the gap is too large under the powder leakage, the gap of the press roller should be adjusted.

6. Deal with the fault: For the fault of the screw process section of the extrusion granulator, the melt pressure before and after the throttle valve, the melt pressure of the head, and the melt pressure difference before and after the mesh changer should be checked.

7. Underwater pelleting system: check the winding temperature of the pelleting motor, the speed of the pelleting machine, the torque of the pelleting machine, etc., to ensure that the pelleting system works normally.

8. Maintenance cycle: According to the use of the equipment, develop a reasonable maintenance cycle, minor repair, middle repair and overhaul.

Through the above measures, the double roller press granulator can be effectively maintained and repaired to ensure the stable operation and production efficiency of the equipment.