Photographies (Urbex) : une ancienne Laverie de Charbon (ou "Lavoir à Charbon")...

   Les lavoirs à charbon sont apparu au milieu du XIXème siècle afin d'apporter une amélioration à la qualité des produits d'extraction et aux conditions de travail du personnel... 

  Les lavoirs réalisaient la préparation mécanique du charbon, c'est-à-dire la transformation du charbon extrait, ou charbon brut, en produits commercialisables répondant aux exigences des clients ou utilisables dans les centrales et chaufferies des houillères... 

     Au sortir de la mine de fond ou en plein air, le charbon subit un triage, un calibrage et un lavage. Le charbon est mélangé à des pierres. Le charbon et les pierres n'ayant pas la même densité, on les plonge dans un liquide de densité intermédiaire. Les pierres tombent au fond et le charbon flotte, le charbon est ensuite rincé pour être débarrassé du liquide du bain...

Source des informations :

https://fr.wikipedia.org/wiki/Lavoir_à_charbon

(FIN)

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