| 摘要 |
The invention relates to a method for directly and multiply making material collide in an essentially deterministic manner, the material being guided by a rotating guide member, from a central feed, along a guide face and to a delivery end, in such a manner, that the material leaves the guide member, from an essentially predetermined take-off location, at an essentially predetermined take-off angle and at a take-off velocity which can be selected with the aid of the angular velocity, with the instantaneous angle ( theta ) between the radial line on which the delivery end is situated and the radial line on which is situated the location where the spiral stream and the path of the rotating impact member intersect one another being synchronized in such a way that the impact takes place at an essentially predetermined location, at an essentially predetermined impact angle and at an impact velocity which can be selected with the aid of the angular velocity, whereupon the material, when it comes off the impact face, collides with a collision face of a stationary impact member at a collision velocity which is at least as great as the impact velocity.
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