Thursday, April 19, 2018

Systematic Approach for Design of Slurry Pumps for Alumina Refinery
In this paper, we will discuss the detailed design calculations for slurry pumps of Alumina refinery. The entire design sample calculations have been covered in three major steps for easy understanding as outlined below-

This step contains the basic input data for specified duty conditions including the details about the suction lines and fittings as given below-
This step contains the description of delivery lines and assumed efficiency figures for pumps and motors as outlined below-
This step may be considered as the final step which presents the calculated output in terms of pressure drop in suction and delivery lines, NPSHA and required electrical power of motor to be connected for successful operation of the pump.
The derivation has been presented in very simplified fashion and may not require further explanation at any step. It is evident from this sample calculation that any process pump of Alumina refinery can be designed just by changing the input conditions and basic assumptions, if so required.

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