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Feeding machine common problems
The feeding machine is characterized by its long feeding distance, wide coverage, and uniform distribution of feed, which plays a positive role in the scientific management of fish ponds, reducing labor intensity, improving feed utilization efficiency, and minimizing water pollution. Currently, most domestic electric centrifugal feeders are primarily used for throwing pellet feed. These machines typically consist of components such as the feeding hopper, conveying system, casting mechanism, and timing control unit. Depending on the type of cutting device, they can be categorized into spiral, vibration, stirring dragon, flap, electromagnetic, and other types. In recent years, pneumatic conveying systems have been increasingly applied 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 fails to meet the required 2 MΩ. Since these machines are usually installed at the edge of ponds or in open areas, they are highly susceptible to rain and moisture. 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 indicators are often missing, increasing the risk of misuse.
2. **Clogging Issues Under Continuous Feeding**: Some models experience jamming during continuous operation, which is mainly due to an unreasonably designed feeding mechanism or improper angles of the feeding components, leading to blockages and reduced efficiency.
3. **Uneven Feed Distribution and Side-Throwing Phenomenon**: The feed distribution is often inconsistent, with noticeable side-throwing. This occurs because the angle and speed of the disc are not optimized, resulting in more than 5% of the feed being scattered beyond the intended area when dropped from a height of 2 meters.
4. **High Breakage Rate of Feed Pellets**: The high rate of broken feed pellets is caused by excessive pressure or improper design of the unloading or throwing mechanism, which can damage the feed during the feeding process.
To address these challenges, modern feeding machines need to incorporate better safety features, improved mechanical designs, and advanced control systems to ensure reliable and efficient feeding operations.