| 摘要 |
An apparatus (1-1.4) for machining pressed pellets to obtain pellets which are essentially abrasion-free for further conveying and storage comprises a conveying worm, which rotates in a housing fitted with friction elements, to be precise with a predetermined gap between the external diameter of the worm and the internal diameter of the housing, with the result that the pellets may be machined once again in this gap with the effect of a "recycling". The friction surfaces have to be established by tests, in each case depending on the product, with the result that, on the one hand, the pellets for subsequent storage and conveying are worn down enough to prevent a considerable amount of fine matter occurring during storage and/or conveying and, on the other hand, the pellets undergo essentially no disruption during this machining. Furthermore, the gap can be configured such that it can be changed. The advantage of this apparatus is that the pellets are not only machined, but are also conveyed, with the result that said apparatus can be cut in, from case to case, in parallel with the combination "pellet cooler 56 and screening apparatus 61" by means of a valve 57 without additional elevation. <IMAGE> |
