The tumbling movement of the whitening mechanism of the […]
The tumbling movement of the whitening mechanism of the rubber roller husker is a movement of turning and rolling rice grains. The flipping is the rotation of the long axis of the grain, and the rolling is the rotation of the short axis of the grain. In the rubber roller husker whitening process, the rice must have a tumbling movement so that all parts of the rice can receive the opportunity to evenly accept the whitening effect of the rubber roller husker, so that the whitening is even and the phenomenon of insufficient whiteness or partial over-grinding is avoided. There are 3 ways to produce.
1. Rubber roller husker rolling white rolls (slots) caused by tumbling. The speed direction of the rice grain from the ribs (grooves) is at an angle to the tangent line, so that the rice grains have a greater number of collisions on one circumference and the number of tumbling times is greater.
2. Rubber roller husker knife, sieve, bump caused by the roll. The rice grain moves at a speed. When it reaches the knives and other places, it rebounds at the front of the rice knives and other places. The speed of the rebound, the direction of the speed, and the different angles cause the rice grains to roll. Milling knife in the white room, sieve holes, bumps many times, rolling more times, and vice versa is less; but can not be increased indefinitely, by the structure of the whitening room and factors that affect the effect of the process.
3. Rubber roller husker caused by air blowing. Spraying and milling rice has become more and more common. Wind under a certain pressure is sprayed from the inside of the white roller to the holes or grooves on the surface, and the sprayed wind speed is generally greater than the suspending speed of the rice. When the air enters the white room of the rubber roller husker, the volume expands and the pressure decreases, forming a mixed flow of air, and the rice grains form a tumbling motion in the vortex.