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Submersible Centrifugal Slurry Pump Description
A Submersible Centrifugal slurry pump is a continuous flow type of pump that works submerged and is capable of handling abrasive slurries. It has an inlet at the suction of the pump that increases the speed of the slurry through the vanes of a rotating impeller, producing centrifugal force which sends the slurry through the casing to the discharge. The casing is a horn-shaped element that transfers speed into pressure.
The pump performance is defined by the design of the casing and the impeller. The efficiency is related to the number and design of vanes in the impeller. Handling slurries, efficiencies are usually compromised by clearances and the need to build abrasion resistant heavy duty components, taking in consideration materials, thickness, etc.
A submersible Slurry pump could be electrically or hydraulically driven. If it is an electric pump, the motor shaft carries the impeller. If it is a hydraulic pump the motor is directly coupled to the main shaft of the pump.
Selection of Slurry Pumps
When selecting a slurry pump we have to analyze several pump curves to identify the most efficient option.
The slurry pump has to run as slow as possible to reduce wear, but fast enough to keep solids from settling and clogging the lines.
The selection method consists in calculate the Total Dynamic Head for the particular application:
Total Dynamic Head = Static Head + Head due to friction loses – Head due to submergence
If you need help selecting a slurry pump for your needs, please contact us,We will be glad to help you with the slurry pump selection at no cost.
