| 摘要 |
A method for feeding and conveying material in a pneumatic material conveying system, such as a waste conveying system, which conveying system comprises at least one feed point (61) of material, particularly of waste material, a material conveying pipe (100) which is connectable to the feed point (61), a separator device (20) in which the material being conveyed is separated from conveying air, and means (3, 4) for providing a pressure difference in the conveying pipe (100) at least during the conveyance of the material. Underpressure is provided in the conveying pipe (100) at least at the point of the feed point (61) intended to be emptied, the feed points are emptied to the conveying pipe (100) using an emptying sequence in which first is emptied a feed point located closer to the separator device (20) in the material conveying direction and next a feed point (61) located substantially farther from the separator device (20) in the material conveying direction.
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