If you often cook, we will find that in recent years, whether it is rice, soybeans, tea or other grains, there are fewer and fewer foreign objects such as bad beans and sand grains that need to be removed. You may take it for granted that this is due to the improvement of planting skills. But in fact, it is because there is a magical machine "color sorter" that does the screening for you behind the scenes.
The color sorter is a device that uses photoelectric detection technology to automatically sort out the different-color particles in the granular material according to the difference in the optical characteristics of the material. At present, the color sorter is used in the fields of bulk materials or packaging industrial products, food quality testing and grading. In recent years, the color sorter industry in Hefei has developed rapidly, and it once became a research and development base for color sorters. Today, 80% of the color sorters in the national market are manufactured in Hefei.
Application of color sorter in tea and rice industry
Picking tea is the last procedure in tea processing. Every tea festival, tea processing factories need to hire workers to assist in this necessary work. Our province is a big tea-producing province. Usually, on tea festivals, four or five women gather around a large drying yard to remove yellow leaves and stems from the dry tea one by one. Four to five hundred catties of dry tea can be sorted in about half an hour. A veritable "Master of Tea Picking".
"The tea color sorter is equipped with a camera image acquisition system, and is equipped with an intelligent image processing algorithm and a nozzle system. It can accurately identify whether it is Tieguanyin, black tea, Maofeng, or melon slices that change color."
Due to the difference in size and color, when the input tea leaves pass between the sensor and the background plate, the sensor can collect image information, and the computer processing system performs grading processing, and outputs a signal to drive the solenoid valve for separation. Because the tea leaves that have been graded and processed are uniform in thickness and free of impurities, they can be sold for more money. Generally, 400 catties of dry tea requires at least 10 workers to pick, and the labor fee for each worker is about 100 yuan. Color sorting machine processing, the processing fee is 1 yuan per catty. In other words, every hundred catties of dry tea can save 150 yuan in cost. The recognition accuracy rate is 99.99%.
Of course, it is not only tea that can be "handled" by the color sorter. "Color sorters are divided into many specialties, including color sorters for peanuts, rice, and corn. In addition, nuts and beans can also be 'color sorted'." At present, most agricultural processing enterprises in Anhui Province have been equipped with color sorters. The most common one is the rice color sorter.
"When the rice is poured into the feeding port and flows from top to bottom along the slideway automatically set by the machine, the high-speed optical camera lens inside the machine will automatically collect the color information of the rice. Similar to the tea color sorter, once the robot finds that there is something Mildew rice or foreign matter of different colors can be distinguished immediately, and the airflow switch is turned on through the high-frequency solenoid valve device, and the foreign matter is blown into the waste cavity, so as to achieve the purpose of "color sorting". The accuracy of the color sorter is 99.99% %.
Hefei Growking Optoelectronic focus on optical sorter for many years. We will cooperate with you with international product quality standards, fast response and efficient services, and are willing to work together with all friends to create a better future!
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