Aim: The creation of a new treatment plant for the Sablons quarry, to meet a demand for concrete materials.

Customer bill of specifications


  • Produire des sables lavés
  • Concevoir une installation capable de changer de production en une heure, selon les commandes à honorer au plus tôt.
  • Accepter des matériaux de nature différente et de granulométrie hétérogène tout au long de l’année

 

Constraints


  • L’exploitant approvisionne son installation avec trois sources de matériaux hétérogènes(cailloutis argilo-graveleux (10%), granites, relativement durs (90%), fraction valorisable des tout-venants issus des chantiers de terrassement
  • Les matériaux n’arrivent pas de manière régulière

 

Data analysis


… Or the vision of the MS technical and sales team !

« At the origin of the project, the target of the sand production unit they ordered from us was to carry out a washing process to deliver materials with the lowest possible fine content, irrespective of their origin, from Spain or France “, explain Patrice Tournebize, commercial manager at MS. It was also necessary to get a stable fineness modulus, because of the multiple uses of these sands.  »

 

MS SOLUTION


Deliver more than a mere sand washing process !

  • Double lavage des sables par cyclonage
  • Classification-recomposition en ligne, et automatisée pour formuler des sables à la demande quels que soient les matériaux entrants. Dans la recomposition, MS a cherché à éliminer la fraction excédentaire pour corriger le module de finesse.
  • Traitement des eaux de lavage
  • Traitement des boues

 

Image

General view of the site

« Depending on the targeted fineness modulus, or the production envelope specified, the plant can optimise the sand production for a given feed material, based on the knowledge of these three sub-categories” comments Patrice Tournebize.

Video clip of the result !

Three cuts / grain-sizes to produce a dozen formulations ! 63 µm/800 µm, 800 µm/2 mm et 2/4 mm

Ils nous font confiance

We worked a lot on the project with MS. A year and a half later, the plant is running but we still have MS support to perfect our equipment. (Extract of 2018 MS movie)

Maxime GRADELLE
Quarry manager –VAILLS (France)

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