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Repair of a rotary kiln for CRH Romania – Medgidia cement plant

 

From 22/2 to 16/3/2017 our company successfully realized an order “Repair of a rotary kiln for CRH Romania – Medgidia cement plant”. Works consisted of a replacement of the rotary kiln shell with dimensions of ø 4.6 x 6m. A scope of disassembly and assembly works was as follows:

  • Disassembly of piping of ø 1 x 8m: 1.7 tons
  • Disassembly of a walkway with a ventilator
  • Disassembly of an old shell of the rotary kiln without lining - ø 4.6 x 6m: 24.5 tons
  • Disassembly of an old axial annular part on the second supporting ring
  • Assembly of a new shell of the rotary kiln of ø 4.6 x 6m: 24.5 tons
  • Re-assembly of the walkway with the ventilator
  • Re-assembly of the piping of ø 1 x 8m: 1.7 tons
  • Assembly of a new axial annular part on the second supporting ring

Welding works were performed through manual welding – flux-cored wire metal arc welding with active gas shield (a welding method 136). The manual welding quality was tested by 100% NDT visual and ultrasound testing.