Method and device for removing dust depositing on impeller

Abstract

The invention discloses a method and device for removing dust depositing on an impeller, and relates to the technical field of fan maintenance. The method for removing dust depositing on the impeller comprises the following steps of: (1) sealing an impeller shaft hole; (2) placing the impeller with the sealed shaft hole in a damp oxygen-bearing space for rusting; and (3) cleaning the rusted impeller. The device used in the method comprises a steam box allowing the impeller to be placed in, a sealing clamp plate for sealing the impeller shaft hole, and an impeller support arranged in the steam box, wherein the steam box comprises a box body and a box cover, and is provided with a vapour pipe and a compressed air pipe; and the vapour pipe and the compressed air pipe communicate with an inner cavity of the steam box. The damp oxygen-bearing space is made through the steam box, and the surface of the impeller is rusted under artificial control by utilizing a characteristic that iron rust is easy to fall off when being loose, so that a dust deposit layer is separated from the surface of the impeller by the iron rust, the dust removal effect is even, and the effect of quickly removing dust depositing on the surface of the impeller can be achieved.

Description

technical field [0001] The invention relates to the technical field of fan maintenance, in particular to a method and device for cleaning impeller ash deposits. Background technique [0002] In production, some fans that transport dusty gas (such as converter gas) will form a thick and stubborn ash layer on the impeller during long-term operation. This ash accumulation has always been an important factor affecting the overall dynamic balance of the fan impeller. When the ash deposit layer is under the action of external force or gravity, part of the ash deposit falls off, and the dynamic balance of the impeller is destroyed. Because the dynamic balance of the impeller is destroyed, the fan will vibrate. When the vibration is too large and does not meet the operation requirements of the equipment It must be shut down for maintenance. During the maintenance process, it is necessary to completely remove the accumulated dust for this type of impeller, and then re-calibrate the ...

AI Technical Summary

Problems solved by technology

[0003] The general way to remove dust deposits is to manually use high-pressure water guns to flush the impeller, but this method has little effect on some very stubborn dust deposits, and the effect of dust removal is uneven, which affects the effect of correcting the dynamic balance of the impeller.

Another method is to use sandblasting to remove dust deposits. Although the effect is good, this method is more expensive

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