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The increased use of sand washing machine in the new society

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Sand washing machine utilization rates continue to improve, the new social Yifan mechanical stability of sand washing machine hydraulic rising gradually sought after by customers.

Yifan machinery from early research until now, some people still reference tube in rotating flow instability to explain the phenomenon of vortex turbine draft tube. According to the test results of axisymmetric circular tube flow, when the fluid in the pipe body is rotated, a pressure in the round tube is from the wall to the center is gradually reduced when the ratio of the axial flow velocity and the peripheral speed of the tube is reduced to a certain extent , the center of the tube portion will appear reflux, it is substantially axisymmetric, does not produce pressure pulsation.

Another view emphasizes the runner's role in the formation of vortex, that return at part load, due to the rotation of the runner outlet flow generated in the tail pipe when the reflux reaches the runner zone, in the role of the runnercentral part of the formation of the tail pipe forced vortex, this vortex will occur in the volute - guide vane - runner flow asymmetry eccentric eccentric Run stream will cause the spiral movement of the eddy formation commonly referred to as spiralvortex. Vortex it with a rotating stream formed in a circular tube is different, the continuation value and the frequency characteristic of the pressure pulsation caused by the two, and the flow state.

The Yifan machinery sand washing machine the professional big brand, more than 20 years of experience worthy of your trust, my company's products in the factory will be detected after the test machine to ensure that the equipment handed the hands of customers without any problem.
 

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