| 摘要 |
A method for sortingly conveying materials in a pneumatic material conveying system, such as a waste conveying system, in which method, material being conveyed is fed from at least one feed point and conveyed in a conveying pipe (100) by means of a pressure difference to a reception point in which the material is separated from conveying air in a separator device (20). In the method, different material sorts are fed from one or more feed points (61 A, 61 B, 61 C) at a time and conveyed to a reception site for at least a part of the conveying travel in the same conveying pipe and, in the method, at least a part of the conveying pipe (100) is cleaned between the conveying processes of different materials or at least when required.
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