Large-air-volume high-pressure-head centrifugal fan
A technology of centrifugal fan and high-pressure head, which is applied to components of pumping devices for elastic fluids, non-variable pumps, machines/engines, etc. It can solve the problems that centrifugal fans are difficult to meet the space adaptability of fans, and achieve a solution The effect of air movement problems
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[0012] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0013] In order to make the purpose, content, and advantages of the present invention clearer, the specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0014] In order to solve the problems of the prior art, the present invention provides a centrifugal fan with a large air volume and a high pressure head, which comprises: a wheel cover 1, a wheel disc 2 and a blade 3;
[0015] The wheel cover 1, the wheel disc 2 and the blades 3 form a closed fan impeller, the axial length is short, the maximum outer diameter D2 of the fan / the axial length L of the fan is between 2.7 and 3.2; the wheel-hub ratio is small, the wheel-hub diameter D0 / fan Inlet diameter D10.8; able to work continuously and stably at high speed, rated working speed>4000r / min; and aerodyna...
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