Principle of stainless steel grading wheel operation: Under the force of the fan's suction, materials move with the rising air flow to the grading area. Due to the strong centrifugal force generated by the high-speed rotating grading turbine, coarse and fine materials are separated. Fine particles that meet the particle size requirements pass through the grading wheel into the cyclone separator and dust collector for collection, while coarse particles fall to the crushing area for further crushing.

The motor drives the stainless steel grading wheel to rotate at high speed (speed can be adjusted at will) within the grading shell, generating strong centrifugal force within the grading machine.

The gas-powder mixture entering the grading machine first goes into the grading wheel. Under the action of centrifugal force, larger or heavier particles are subjected to greater centrifugal force and are thus ejected to the outer edge of the grading wheel and the side wall of the machine, no longer influenced by centrifugal force, and naturally fall into the粉碎host or drop to the discharge port for collection. Smaller or lighter materials, experiencing less centrifugal force, hover within the grading wheel and are carried to a higher position by the induced draft fan's force, then smoothly flow through the pipeline to the next component where they are graded or collected. By varying the speed of the grading wheel through frequency conversion, the magnitude of the centrifugal force in the grading machine can be adjusted, achieving the goal of separating particles to the desired size.