Admissions Open
Admissions Open
All the available coals have some percentage of ash. When the coal is burnt about 10 to 20% of quantity of coal used results in ash. In the modern large steam power plants where huge amounts of coal are used, the amount of ash may be go up to many thousands tonnes of ash per year. A slurry transport system is used to disposal the coal ash away from coal burning unit in thermal power plant. Bottom ash slurry is pumped from the common ash slurry sump to the dyke area which is located near slurry pump house. Water and bottom ash are mixed in slurry tank, after that slurry transportation takes place in slurry pipeline with the help of slurry pump. Computational simulation is performed on the slurry flow through pipeline for the analysis of pressure drop. When fluid flows through a pipe, it is subjected to hydraulic resistances which are of viscous frictional resistance and local resistance. Viscous frictional resistance associated with the fluid flow is called major loss of energy. Pressure drop can be reduced in pipe flow by mixing the additive in slurry. Local resistances are essentially due to change of velocity either in magnitude or direction. Modelling of pipeline is developed in Gambit and Fluent is used for the numerical evaluation. Computational simulation has been performed on various concentrations and flow velocities.