Tesla Check Valve Ventilation Blade Designed for Substation Ventilation Noise Reduction

In recent years, the demand for electrical facilities has also increased dramatically. However, due to some substations built in the city In order to reduce noise, ensure fire protection and occupy land, many transformer houses are set up too narrow and sealed Closed, which is easy to lead to poor liquidity of the air conditioning system, poor cooling effect, and easy to lead to high temperature of the main transformer Question. The transformer of the power system will produce low frequency noise during operation, which will cause noise to the surrounding residents These problems have caused great harm to the normal and safe operation of the transformer.The feasibility of using Tesla check valve blades for ventilation and sound insulation was studied through Ansys software.The fluid flow (fluent) module and harmonic acoustic module in Ansys software are used to study the ventilation performance and sound insulation effect of Tesla check valve blades. By changing the spacing, tilt Angle, outside diameter, radian and other factors of the Tesla check valve blade, the data under different parameters can be obtained. Based on the calculated data such as pressure difference, wind speed and air flux, the variation law of ventilation performance and sound insulation effect under different parameters is studied. The ventilation performance and sound insulation effect of Tesla check valve blade and ordinary shutter blade are compared to find out the difference of ventilation performance and sound insulation effect of the two blades. Analyze the effects of each influence and summarize the different laws brought by different factors, and get the final plan. The ventilation performance is as follows: The greater the tilt Angle of the Tesla check valve, the worse the ventilation performance; The greater the spacing; The better the ventilation performance; The larger the outside diameter, the better the ventilation performance; The ventilation performance of Tesla check valve blades is slightly worse than that of ordinary shutter blades. The rules of sound insulation effect obtained are as follows: The greater the tilt Angle of Tesla check valve; The better the sound insulation effect; The gap at 90mm has the best sound insulation effect; The larger the outside diameter, the better the sound insulation effect; The sound insulation effect of Tesla check valve blades is significantly better than that of ordinary shutter blades.Transformer room ventilation and noise reduction have always been the research goals of many scholars, aiming at taking care of transformer room At the same time, reduce the noise interference to the surrounding residents. Study the ventilation performance of Tesla check valve blades Various rules of sound insulation effect, the advantages and disadvantages of the study are obtained, and the reference value is provided for the future research in this field.