News Digest:What are the differences? Centrifugal water pump VS dredge pump, Dredge pump is renamed as sand pump, dredger pump, dredging pump, booster pump, which is clarrified as on board dredge pump, single walled dredge pump, double walled dredge pump, submersible
What are the differences? Centrifugal water pump VS dredge pump
Dredge pump is a type of centrigual pump, however, what are the differences between centrifugal water pump and dredge pump?
What are the differences? Centrifugal water pump VS dredge pump-Introduction
Dredge pump is renamed as sand pump, dredger pump, dredging pump, booster pump, which is clarrified as on board dredge pump, single walled dredge pump, double walled dredge pump, submersible dredge pump, ladder pump, booster pump etc.
As we discussed before, sand dredge pump are highly used in dredger, including wheel suction dredger, cutter suction dredger, plain suction dredger, pump station, etc, for dredging soil or pumping soil from one place to another, according to different characters, soil be divided into clay, mud, sand, gravel, rock, sludge.
Sand dredger pump in the dredging market are most likely in the type of centrifugal type, where a pump rotating its impeller to produce liquid energy power acting on flow and head.
Sand dredge pump are designed with large particle pass to impeller than centrifugal pump to avoid pump impeller may be blocked by large soil. So sand pump impeller are designed with less vanes than water pump.
The rotating speed to sand pump impeller is normally designed with less working speed than water pump, for example, water pump are normally working in the speed between 1450-2950 RPM, whereas the sand pump are often working at 300-700 RPM (Smaller pump may work at Max. Speed of 1450 RPM).
The closest of sand pump impeller and the volute is reduced, and the curve of those two parts are designed smooth for soil mixture pass, in case a steady angle can cause soil stop over and pump parts damaged easily.
More than that, of course, sand dredge pump must be designed with abrasive and corrective materials, such as high chrome alloy or Hi-Ni hard steel material, rather than water pump are using cast or gray iron material.
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