| 摘要 |
Invention applies to solid material sorting, namely to the big or square riddles, that consist of many sieve stacks made, for example, of more than 20 sieve boxes. The proposition is to make frames of sieves without holding the framework and after stretching, they put on or into the frames of the sieve. As a result between the sieve's fabric and flat background the brick forms an empty space for the product to pass and to remove the same. Cleaners of the sieve are put-on or put-in on a flat background brick. The best sieve frames are made of metal. The sieve cleaners clean the fabric of the sieve and remove the product from the background brick. In addition there are proposed sieve cleaners with two, three or four branches. |
