Kiln Shell section

Parts : Kiln Shell section

Sector : Cement ( Morocco )

SERCEM INDUSTRIE is well known in the field of heavy mechanics for 50 years in the region of Lyons in France . 

Our customers are renowned international operators such as Lafarge- Holcim , Heidelberg ,  , Alcoa , Rusal etc ..

They are all world leaders in the field of mining , cement & mineral chemistry. Our know-how is the mechanical improvement of production equipment such as rotary kilns, rotary dryers , mills, crushers etc…

As such , we present you a recent achievement on behalf of one of our client Lafarge Holcim in Morocco .

Project: Supply and on-site assembly of a kiln shell section.

Sercem Industrie produced the design, calculations, studies, supply and supervision of the on-site assembly of : 


  • A shell section of 90mm thickness under the tyre : Ø 3750 X  Ø 3930  X 1670  Material : P265GH
  • Shims manufacturing under the tyre
  • This section is chamfered in an X-shape at the downstream end
  • Pre-assembly in our workshop on the shell section of floating pads.
  • Pipe reinforcements with cross at both ends of the shell section 

  Services on the site : 

  • Integration of safety measures inherent to the construction site
  • Cutting of the existing shell with the cracked tyre L = 550 
  • Dismantling of the existing tyre & shell section and deposit on scrap yard
  • Preparation of the edges of the shell section and reconditioning.
  • Assembly of the new tyre (Lafarge supply) on the new shell including all the shimming systems.
  • Assembly of all pads .
  • Assembly of the new hoops .
  • Assembly of the new shell section + tyre and docking of the whole unit.
  • Control of the new shell position with the kiln (control of the lining and the deformed shell with the laser tracker).
  • Welding of the new shell section on both sides.
Supply of a girth gear and pinion for a rotary kiln