2013年8月4日星期日

Cyclone

Cyclone is a rotational movement using fluid pressure generating means. When the slurry to a certain speed into cyclone, cyclone encounters the wall after being forced for rotary motion. Since the centrifugal force suffered different solids slurry of coarse particles suffered large centrifugal force, able to overcome the hydraulic resistance movement to the wall,water power sprayer  and in the joint action of its own gravity, spiral downward movement along the wall, thin and small granules and most of the water due to the centrifugal force suffered a small and less close to the wall that is to do with the slurry rotary motion. In the subsequent feeding, driven by continued downward slurry and rotary motion, then continue to the surrounding coarse particle concentration, while the small particles are stuck in the central area, particle size from the center to the wall increases, the formation of sub- layer arrangement.

As the slurry from the flow of the cylinder portion of the cyclone cone part, getting smaller and smaller flow cross-section,bottle sprayer the outer slurry contraction oppression, the inner layer contains a lot of small particles slurry had to change the table direction, turn upward movement, the formation of the inner cyclone, discharged from the overflow pipe to become overflow, while coarse particles continued to spiral downward movement along the wall, forming the outer cyclone, and ultimately by the underflow discharge port, a grit.

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