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Sequence of designing the flow channel of the dredging pump impeller
China sand dredge pump company Do Pump supplies Submersible sand pump, also known as submersible sediment pump, submersible mud pump, submersible sand pump, submersible suction pump, submersible pump, underwater dredging pump, etc.
The sequence of designing the outlet flow channel of the dredge pump is as follows:
1) Determine the elevation of the outlet section of the pump elbow according to the installation elevation and dimensions of the dredge pump, that is, determine the siphon type; the elevation of the inlet section of the outlet flow channel.
2) Choose the siphon type outlet runner fiber elevation. The elevation of the bottom of Luofeng in the siphon outlet channel directly affects the pump lift and project cost when starting. During the design, the bottom elevation of Luofeng was determined according to the upstream water level, and the elevation of the bottom of the hump should be higher than the upstream high water level.
3) Choose the submerged depth of the siphon outlet. The principle of submerging depth selection is to ensure that the water outlet is not open to the atmosphere. Too deep will increase the amount of earth excavation, and too shallow will cause air leakage and siphon formation cannot be formed. -The general exit section is roughly submerged when the upstream water level is low.
4) Choose the upward and downward inclination angles of the siphon outlet channel. When choosing the inclination angle, in addition to considering the hydraulic loss, the possibility of pumping station arrangements should also be considered.
5) Choose the length and width of the siphon outlet channel. After the above parameters are determined, the length of the siphon outlet pipe is actually determined. Therefore, the selection of the length and the above parameters is related to the engineering design of the entire station, and the outlet width is often based on the unit span. To determine the distance, it is better to have a larger width and a lower height within the possible range.
6) Select the shape of the straw section. The cross-sectional shape of the siphon outlet pipe includes oval, rectangular and octagonal shapes. The inlet section of the siphon outlet pipe is generally circular. The exit section is mostly rectangular. The top of Luofeng should adopt a flat ellipse or octagonal section to limit the volume of the space at the top of Luofeng.
China Do Pump is a manufacturer of slurry pump, sand pump. dredge pump, electric submersible sand pump and hydraulic submersible dredge pump with relative dredging equipment.Dredge Pump solutions-Sequence of designing the flow channel of the dredging pump impeller - China Dredge Pump, contact China Do Pump at info@dopumpgroup.com or call us at +8615031104888.
