2026/04/16
The dry run test of an organic fertilizer disc granualtor is a critical step prior to commencing full-scale production. It requires strict adherence to operational procedures, with a primary focus on inspecting the operational status of the fertilizer production machine to promptly identify and resolve potential safety hazards, thereby ensuring smooth and normal production thereafter.
Before initiating the test run, conduct a comprehensive inspection to verify that all anchor bolts, the machine frame, and the disc liner bolts are securely fastened and free of looseness. Ensure that the clearance between the scraper and the bottom and walls of the disc is appropriate, posing no risk of friction or collision. Check that the oil levels in the reducer and bearing housings meet the required standards, that all lubrication points have been adequately lubricated, and that there are no instances of oil leakage or depletion. Verify that belts and chains are tensioned appropriately, that all safety guards and protective devices are intact, and that the disc rotates smoothly—without binding or jamming—when manually turned. Additionally, inspect the electrical wiring and motor connections to ensure they are properly routed and secured; confirm that grounding and overload protection systems are functional. Finally, clear away any debris or foreign objects from inside the disc and the surrounding area to ensure a safe environment for the test run.
During the test run, begin with a "jog" start (momentary activation) to observe the motor's direction of rotation; if the rotation is reversed, immediately shut down the machine and make the necessary adjustments. Once confirmed to be correct, allow the machine to run continuously under no-load conditions for 20 to 30 minutes while monitoring its operational status throughout the entire duration. Observe the equipment to ensure it runs smoothly, without any noticeable vibration or wobbling. Listen carefully for operational noises to detect any abnormal sounds—such as metallic impacts or friction—that might indicate a problem. Monitor the temperatures of the bearings and the reducer to ensure that any temperature rise remains within the normal operating range and that no overheating occurs. Simultaneously, observe the motor current to ensure it remains stable and does not exceed the rated value, and verify that there are no leaks at any of the sealing points.
Upon completion of the test run, immediately shut down the machine and cut off the power supply. Re-tighten any components that may have loosened during the test, and record any observed operational anomalies for subsequent rectification. Only after all indicators during the dry run test have met the required standards—and the equipment is confirmed to be free of faults—may production with actual materials commence. Operating the equipment while it is in a faulty or compromised state is strictly prohibited, as doing so is essential for safeguarding production safety and ensuring optimal granulation results.
