Large centrifugal blower
A centrifugal fan, a large-scale technology, applied in the direction of mechanical equipment, machines/engines, non-variable pumps, etc., can solve the problems of increased motor start-up vibration, motor start-up failure, breakdown, etc., to ensure force balance and reduce start-up The effect of load
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[0033] The present invention will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.
[0034] The present invention provides a large centrifugal fan, the structure of which is as follows: Figures 4 to 8 As shown, it includes a casing 1, the center of the casing 1 is provided with an impeller shaft 13, an impeller 15 is nested on the impeller shaft 13, and a connecting plate 22 is fixed on the inner side wall of the casing 1 on the side close to the impeller 15, and the connecting plate 22 A blowing mechanism 21 is fixed on the upper part. The blowing mechanism 21 is connecte...
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