The influence of variable operating conditions on the design and exploitation of fly ash pneumatic transport systems in thermal power plants
AUTOR(ES)
Stanojević, M., Radić, D., Jovović, A., Pavlović, M., Karamarković, V.
FONTE
Brazilian Journal of Chemical Engineering
DATA DE PUBLICAÇÃO
2008-12
RESUMO
The efficiency of an air-slide pneumatic conveying system depends, first of all, on several basic elements chosen or calculated during the design of a plant: air-slide design parameters, air mover characteristics, as well as the physical and chemical properties of the material to be transported. However, during the exploitation of this type of system which is used for handling ash in thermal-power plants, either gradual and/or sudden changes in the operating conditions can arise. This may be due to changes both in the proportion of ash content, and in the flow characteristics of the porous membrane. The consequences of changes in these conditions on the performance of the ash handling system are analyzed, based upon the results of the experimental work carried out on the test rig at the Faculty of Mechanical Engineering in Belgrade, and upon the on-site measurements at the thermal-power plant "Nikola Tesla B".
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