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Feeding machine common problems
The feeding machine is designed with several key advantages, including a long feeding distance, wide coverage area, and uniform feed distribution. These features contribute significantly to the scientific management of fish ponds, reduce labor intensity, improve feed utilization efficiency, and help minimize water pollution. Currently, most domestic electric centrifugal feeding machines are primarily used for distributing granular feed. They typically consist of components such as a material hopper, casting mechanism, timing control system, and others. Depending on the cutting device, they can be classified into types like spiral, vibration, stirring dragon, flap, electromagnetic, and more. In recent years, pneumatic conveying systems have also been adopted in cage feeding applications.
However, many low-quality feeders suffer from several critical issues:
1. **Inadequate Safety Standards**: When the power switch is turned on, the insulation resistance between the power inlet and the housing often falls below the required 2 MΩ. Since these machines are usually installed at the edge of ponds or outdoors, they are prone to moisture and rain exposure. If the waterproofing measures for the control box and housing are not properly implemented, it can lead to electrical leakage or wet material accidents. Additionally, warning signs and operational instructions are often missing, increasing the risk of misuse.
2. **Clogging Problems**: Under continuous operation, some feeders experience clogging due to poor design or improper angles in the feeding mechanism. This can cause the machine to stop working or operate inefficiently, leading to wasted feed and downtime.
3. **Uneven Feed Distribution**: The feed thrown by the machine may not be evenly distributed, with a noticeable lateral spread. For example, when the machine throws pellets over a 2-meter distance, more than 5% of the feed may fall outside the intended area. This issue is often caused by an incorrect angle of the throwing disc or an inappropriate throwing speed, resulting in inefficient feeding and potential waste.
4. **High Breakage Rate**: Some feeders cause a high rate of feed breakage due to excessive pressure or an improperly designed unloading or throwing mechanism. This not only reduces feed quality but also affects the health and growth of the fish.
To address these issues, manufacturers should focus on improving safety features, optimizing mechanical design, and ensuring consistent and accurate feed distribution. With these improvements, feeding machines can become more reliable, efficient, and suitable for modern aquaculture operations.