Rice is a finished product made of rice after cleaning, cereals, rice milling, and finishing of finished products. The clean-up process is to remove all kinds of impurities mixed into rice by appropriate equipment such as rice grader and proper process and proper operation methods, so as to improve the quality of finished rice products, and use magnets to remove iron nails and iron chips in rice. To ensure production safety.
As a main source of nourishment for over half the world's population, rice is by far one of the most important commercial food crops. Its annual yield worldwide is approximately 535 million tons. Fifty countries produce rice, with China and India supporting 50% of total production. Southeast Asian countries separately support an annual production rate of 9-23 million metric tons of which they export very little. Collectively, they are termed the Rice Bowl. Over 300 million acres of Asian land is used for growing rice. Rice production is so important to Asian cultures that oftentimes the word for rice in a particular Asian language also means food itself.
The product quality of rice whitener process has largely dependent on operation experiences, which is a key problem for this type of food processing systems that might lead to variability in the final product quality. An intelligent automatic control system has been proposed for rice whitening machines based on expert database system. The new control system replaces the traditional mechanical actuators with stepper motors, along with sensors and supervisory control and data acquisition (SCADA), achieving digital visualization of the rice whitening process. The operation experiences can be conveniently transferred into the expert database system in real time, allowing the control system to automatically select the relevant operation parameters. The developed scheme has been implemented in an industrial system at the trial stage. The preliminary results are positive in improving product quality and reducing labor intensity.
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