| 摘要 |
A grain heap separator has a transport board, a finger grate, the upper screen with an elongation and the lower screen, a mechanism of suspending the transport board and screens, a mechanism for driving working elements and a fan, mounted under the transport board, arranged in series. Above the upper screen a conveyer with the perforated surface is arranged in such a way that front part thereof is brought under the transport board, and the upper part thereof overlaps part of the upper screen. |
