Development of defective fish egg sorting machine with colour sensor for trout facilities
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The most important problem at the top of the list faced by trout producers is broken eggs. In this study, a further improved machine that is capable of distinguishing defective eggs from good ones with colour sensors is developed. The most important parts for the machine's operation are the colour sensor, a vertically rotating CD-like disk, a water spray valve, and a motor-pump to reuse the used water in the system. The process of separating robust and defective eggs from their own chambers uses a simple motor-driven spraying valve that produces a water gun level pressure. The water that these valves require is circulating within the system. Since the device uses a simple motor-pump and the PLC connected to the sensors draws low electrical currents, the energy consumption is also very low. The improved device has been tested in a trout production facility with a production capacity of 499 tons/year and has been observed to be successfully distinguishing the eggs.