Emergency response procedures for oil leaks. Based on the severity and scope of the oil leak from the wet pet food processing machine, emergency response is divided into three levels: Level 1: Minor oil leaks (only localized oil stains, no feed contamination, no equipment malfunction). A "production-while-monitoring" strategy can be adopted. Use an oil collection tray to collect the leaked lubricating oil to avoid contaminating raw materials. Simultaneously, accelerate the production progress of the current batch. After production is completed, immediately stop the machine for repairs. If the leak is near the feed inlet, use a waterproof cloth to isolate the leak point to prevent lubricating oil from dripping into the raw materials. Level 2: Moderate oil leaks (obvious oil stains, slight risk of contamination, equipment operating normally). Immediately stop feeding, process any remaining raw materials in the equipment, and after stopping the machine, clean the oil stains and contaminated raw materials around the leak point. Quickly locate and repair the leak point (e.g., replace the seal ring, tighten the joints). After repair, run the machine unloaded for 30 minutes to confirm there are no leaks before resuming production. Thirdly, in case of severe oil leakage (large-scale oil leakage, contamination of raw materials, or abnormal noise and increased vibration in the equipment), immediately shut down the machine, disconnect the power supply, and close the lubricating oil and hydraulic oil pipeline valves to prevent further oil leakage; clean up the contaminated raw materials and site to avoid environmental pollution and secondary losses; organize professional personnel to investigate and repair. If core components (such as screw bearings or hydraulic pumps) are damaged, contact the supplier's after-sales team to avoid secondary damage caused by self-disassembly.
For example, in a fish farm producing grass carp feed, a moderate oil leak occurred at the bearing end of the extruder motor. Feeding was immediately stopped, and after processing the remaining raw materials, the machine was stopped to replace the oil seal, only delaying production by 1 hour and preventing significant waste of raw materials. Key precautions for emergency handling of wet dog food production machines. Three major risks must be avoided during emergency handling to prevent further losses: First, never repair the hydraulic system under pressure. System pressure must be released before any repairs, otherwise high-pressure oil may spray and cause injury. Second, keep open flames away from the leak point. Lubricating oil and hydraulic oil are flammable, and raw material dust may be present around the extruder; keep away from open flames, and never use open flames to heat oil stains. Third, contaminated raw materials must not be used. If lubricating oil contaminates raw materials, they must be stored separately and properly disposed of to prevent them from being used in aquaculture and causing fish diseases. Furthermore, after emergency handling, the fault details (leak point, cause, and handling method) must be recorded to provide a reference for future prevention.
Long-term prevention strategies for oil leaks in wet dog food processing machines. Establishing a prevention mechanism can reduce oil leaks at the source: First, establish a regular maintenance log, clearly defining the inspection cycle and maintenance content for each sealing part, lubrication system, and hydraulic system, conducting a basic inspection every 200 hours of operation and a deep inspection every 500 hours; second, maintain accurate equipment operation records, noting lubricant change times, seal replacement cycles, and oil leak incidents, predicting component lifespan and replacing vulnerable parts in advance; third, optimize the equipment operating environment, reinforcing the equipment base to reduce vibration and installing ventilation equipment to lower workshop temperatures and prevent high temperatures from accelerating seal aging; fourth, strengthen operator training, teaching operators to identify signs of oil leaks, perform preliminary leak detection, and handle emergencies, preventing oil leaks caused by improper operation. For example, after establishing a maintenance log, a feed mill replaced seals nearing the end of their lifespan in advance, reducing oil leak incidents from twice a month to once a quarter, significantly improving production stability.
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