| 摘要 |
2096337 9210683 PCTABS00013 In a method of cleaning fan impellers bursts of solid material are thrown towards the impeller blades or other parts of the impeller, subjected to deposits, by means of pulses of compressed air, shot from a compressed air cannon. A device for cleaning fan impellers comprised of at least one compressed air cannon for directing shots in the form of pulses of compressed air towards the impeller blades or other parts of the impeller, subjected to deposits. The outlet cylinder (28) of the cannon is loaded with a charge of solid material (4) to be thrown towards the impeller blades or said other parts of the impeller, when shooting a pulse of compressed air.
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