Inderscience Publishers

The influence of ash concentration on change of flow and pressure in slurry transportation

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This paper presents the results of the tests on the most suitable concentration for the ash and the bottom ash hydromixture transport. The tests were carried-out at the semi-industrial installations at the Mineral Processing Laboratory of the University of Belgrade. As the decisive parameters, the change of the flow and the pressure in the relation to the concentration change were analysed. The obtained results indicate that the transport should be accomplished with ash and bottom ash concentration below 50% but above 40% of solids. In this concentration range, there is a decrease of both the flow (per volume) and the pressure. However, this decrease is considerably small regarding the quantity of the ash and bottom ash transported during a time unit.

Keywords: ash, high concentration slurry, flow changes, pressure changes, centrifugal slurry pumps, slurry transportation, Serbia, bottom ash

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