Effect Of Different Levels Of Axial Fan Blades Cutting The Amount Of Primer Combinations On The Fan Cancellation Margin And Performance

Axial fan is a wide use in the industrial production of general machinery, mainly used in metallurgy, electric power and other industries, especially in thermal power plants. Induced draft fan is the main auxiliary power plant boiler, which is generated after the fuel combustion flue gas is withdrawn from the boiler and chimney into the atmosphere through fan. Its power consumption is about 30% of auxiliary power consumption, energy saving in the current environment, the induced draft fan energy consumption becomes more important, so this elimination margin for the blower of the study. Axial flow fans cited internal fluid is a more complex three-dimensional viscous flow, and its liquidity situation has a direct impact on their respective performance indicators, therefore, the study of the flow characteristics inside the fan is very important. Currently, the use of FLUENT software technology to become a scientific and comprehensive analysis of the fan means internal flow field, it can more accurately simulate and calculate the fan’s performance, you can also describe the internal flow of the law, such as changes in pressure and velocity field.In this paper, axial suction fan of a power plant 600MW unit as a reference study, the first in the field of wind turbine prototype entity mapping, the use of CAD drawing software be constructed three-dimensional model, and then use Gambit good model for establishing watershed network meshing, boundary conditions set Basin and computation required. Finally Fluent numerical simulation, flow characteristics of fans to get inside, and then the same condition it was constructed 16 different blade cutting assembly, and finally the 16 kinds Fluent simulation results with the actual operation of the fan original comparative analysis of the situation, the results show that the numerical simulation results can be made more accurate expression of the real situation of the fluid flow inside the fan, but also for fans of elimination margin also played a certain action for the next energy-saving power plant turbines provide important theoretical basis.