Good afternoon, dear guests and subscribers of the "Build for myself" channel!
In this article I would like to describe an effective way to transfer water from low areas to overlying ones. This method was used not only in ancient times, but to this day it is used all over the world to drain territories and transport water without using electricity.
The invention of this mechanism is attributed to Archimedes around 250 BC. BC. and now the design is called Archimedes screw or Archimedes screw.
The animation below shows how it works:
The invention consists of a pipe, inside which a screw is located. The screw, rotating around its axis with the help of a wind wheel, water wheel or manually, transports liquid in a spiral to the upper point, while the entire structure should be inclined to the horizon.
Thus, in ancient times, water was supplied to irrigation canals, swamps and pits with sewage were drained, since the design is not at all demanding on the composition of the liquid.
Today, most often, such mechanisms are found in fish hatcheries, as they allow you to transfer aquatic inhabitants without causing injury. Also, their use is widespread in Holland for drainage of cultivated areas of the coast, located below sea level.
The Archimedes screw is still used in a conventional meat grinder, transporting meat to the grinder.
Nowadays, due to the complexity of execution, "homemade products" have subjected this invention to changes in the direction of simplicity, but the mechanism remains the same. In fact, this machine looks like an analogue of a screw pump, but in different versions.
The screw does not have to work inside a stationary pipe, the pipe can also rotate with a screw attached to it. Moreover, it does not have to be a screw, but any hollow tube fixed to the shaft in a spiral is quite suitable, the main thing is that the slope to the water surface is observed.
A few photos below:
To capture a larger volume of liquid in each turn of the mechanism, a corrugated pipe with a diameter of 50 and even 110 mm can be used as a flexible pipe.
I think this is an excellent option for organizing irrigation of areas located on the banks of rivers, because shaft can be driven by a conventional water wheel fixed in the direction of flow reservoir.
That's all, thanks for your attention! Hope you enjoyed it.
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