In the seed processing industry, it is often necessary to work with stones.
Seeds received from fields are often mixed with impurities such as stones and sand. After being screened by the pre-cleaning machine, larger and smaller stones have been removed. But the ones as big as the seeds will remain and be difficult to remove.
At this time, you need to use a stone removal machine : de-stoner

It uses the principle of different weights of stones and seeds to separate them through the action of wind and vibration. After scientific calculations and rigorous experiments, we determined how much air volume and amplitude should be used, and thus designed this destoning machine.

Now, the de-stoner has been widely used in the grain cleaning industry.