Sistema de Riego con Máquinas de Pivot Central Eléctrico. Diseño Hidráulico concluido/Center Pivot Irrigation System. Hydraulic Design Completed."
Buenas tardes Hive.
En el post anterior sobre este proyecto, habíamos concluido con el diseño agronómico, cuestión que ya explicamos en ese post. Con esos datos como partida, ahora hemos realizado y concluido el diseño hidráulico de la estación de bombeo y las tuberías, que implica determinar las características de caudal y carga de la electrobomba, y el diámetro de cada tubería.
Recalcar que en este caso se consideró, teniendo en cuenta la fuente de abasto y otras cuestiones de explotación, que lo más correcto técnicamente era que cada máquina de pivot tuviera su estación de bombeo, su metrocontador para medir el consumo de agua, y su conductora. Todas de forma independiente. O sea, serían 9 estaciones de bombeo y 9 conductoras.
Para determinar el diámetro de cada conductora, y la presión que debía tener cada equipo de bombeo, se empleó el software WaterGems, partiendo de la normativa de que la velocidad del agua dentro de la tubería debía estar entre 0.3 y 3 m/s. Basándonos además en la topografía del terreno que se mostró en el primer post.
Con esa información, que además incluye la potencia de cada equipo de bombeo, el electricista diseñará el esquema eléctrico de la instalación. Cuestión que comprende incluso los requisitos eléctricos de los motores que mueven cada torre de las máquinas. En la imagen, se muestra en forma de tabla, el resumen de todo lo antes referido.
Mencionar que las electrobombas serán alimentadas por el sistema electroenergético nacional a solicitud del inversionista en vez de utilizar paneles solares.
Concluidos todos los cálculos, ahora nos toca empezar a dibujar los planos. La parte gráfica del proyecto, cuestión que ya anteriormente hemos destacado su importancia para el proceso constructivo.
Que tengan buenas tardes. Y hasta la próxima.
Good afternoon Hive.
In the previous post about this project, we concluded the agronomic design, which we already explained in that post. With those starting data, we have now completed the hydraulic design of the pumping station and the pipelines, which involves determining the flow rate and head characteristics of the electric pump, as well as the diameter of each pipe.
It is worth noting that in this case, considering the water source and other operational factors, it was determined that the most technically correct approach was for each center pivot machine to have its own pumping station, water meter to measure water consumption, and main pipeline. All of them independently. In other words, there will be 9 pumping stations and 9 main pipelines.
To determine the diameter of each pipeline and the pressure required for each pumping unit, WaterGems software was used, based on the regulation that the water velocity inside the pipe must be between 0.3 and 3 m/s. We also relied on the terrain topography shown in the first post.
With this information, which also includes the power rating of each pumping unit, the electrician will design the electrical schematic for the facility. This also covers the electrical requirements for the motors that drive each tower of the machines. The table in the image shows a summary of everything mentioned above.
It is worth mentioning that the electric pumps will be powered by the national grid at the investor's request, instead of using solar panels.
Now that all calculations are completed, it is time to start drawing the blueprints. The graphic design of the project is a phase whose importance for the construction process we have previously highlighted.
Have a great afternoon. Until next time.

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