Mill with tide

A mill with tide uses the force Marée S like driving energy.

Description of the process

When the Mer goes up, it fills a basin with reserve in which this water is retained during the downward tide. With low Tide, the Vanne S of release of water are opened and water selected flows basin of reserve towards the Mer, actuating a wheel causing its rotation.

Of yesterday with today

Since the the Middle Ages, this technique is especially employed in Brittany, in the estuary of the Rance to actuate Moulin S with Grain (like the mill of Prat, whose mechanism was recently restored, located on the territory of the commune of Viscount-on-Rancid the), on the Île of Arz and on the Île of Bréhat with the Moulin with tide of Birlot.

One finds also a mill with tide with Thorrington in the United Kingdom.

A mill with tide, the Moinho de Maré of Corroios , was also built with Seixal in Portugal in 1403, like private property later offered to an religious order Carmelite nun. Damaged at the time of the Earthquake of Lisbon of 1755, this mill was repurchased by the municipality in 1980 and was rehabilitated.

The mill with tide saw its principle taken again and modernized for the production of electricity during the construction of the tidal Power plant of Rancid the. This factory remains an example isolated because of a rather low profitability: a cost of construction raised for a foreseeable power but not constant and especially a considerable impact on the immediate Environment by the silting of the estuary of the Rancid one.

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