| 摘要 |
<p>The system comprises at least one input point (60) of material, a material transfer pipe (100) connected to an input point (60), at least one separating device (20a, 20b), in which the material to be conveyed is separated from the conveying air, and means for achieving a pressure difference and/or a conveying air current in the transfer pipe (100) at least during conveyance of the material, which means for achieving a pressure difference and/or a conveying air current comprise at least one pump unit, which comprises at least one pump device (51a, 51b, 51c, 51d). The transfer piping (100) comprises at least one transfer pipe section in which conveying air is circulated and at least one transfer pipe section (122) in which conveying air is not circulated.</p> |
