| 摘要 |
The invention relates to a device (34) and method for cleaning a vertical filter net (28) of a pulp dryer's fan tower (12,12'). The device (34) comprises at least one nozzle (51,52,53), at least one connection (54,55,56) for leading underpressure to the nozzle and means (44,46) for moving the nozzle in relation to the filter net (28). The means for moving the nozzle comprise vertical nozzle guiding means, which are arranged in connection with a filter net (28) at least mainly in an immobile manner and into which guiding means the nozzle is fixed in a mobile manner, and power means (64,66) for moving the nozzle in relation to the guiding means. The invention relates also to a fan tower (12,12') and a pulp dryer. |
