Direction of particle movement in a rotary kiln
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Everyone, today I tested the direction of particle movement in the rotary kiln, and found that whether it was rotating in one direction or the opposite, the particles moved in the same direction. Why isn’t the direction of particle movement different when the rotation direction changes? If it’s the same, what’s the point of having different rotation directions?
A rotary kiln utilizes the centrifugal force generated by the rotation of a drum to throw the material outward in a rotational motion; it has a certain inclination angle, and its rotation speed is carefully calculated. When the material reaches directly above, gravity overcomes the centrifugal force causing it to fall vertically and then slide down along the inclination angle. This applies whether the material rotates to the left or to the right.
So what’s the meaning of this forward and reverse movement? If it’s moving in one direction, why is there a need for forward and reverse motion?
There may be a process to evenly mix the materials.