Facebook Instagram Linkedin
Mar-11-Rotadisc-out-as-far-as-it-can-go-until-the-endplate-is-moved-e1622952801417.jpg
Mar-13-Inside-the-dryer.jpg
Mar-16-Inside-of-dryer-ready-for-new-disc-drum.jpg
Mar-21-New-disc-drum.jpg
Mar-23-New-drum-in-place.jpg
Mar-25-End-plate-lifted-into-position.jpg
Mar-5-Had-to-cut-90-of-the-bolts-with-torch.jpg

Additional Scope Items

  • Cut all the bolts around the end cover plate to allow for removal of the cover plate.
  • Cut 80% of the flights off for easier removal of the old Rotadisc drum.
  • Fabricated and welded L tabs to attach the timbers to.
  • Wire wheel and cleaned off the face of the end plate for a batter seal.
  • Welded imperfections on the cover plate and ground flat.
  • Wire wheeled pillow block flange and half rings, cleaned and wire wheeled contact locations.
  • Cut bearings off and retrieved needed components.
  • Fabricated locations in order to be able to place jacks.
  • Wire brushed and cleaned all hardware needed.
  • Fabricated dogs in order to push out dryer bushing.
  • Cleaned and wire wheeled pillow block mounting locations.
  • Grinded with sand-paper discs the inside of the dryer, for easier installation of the new drum.
  • Tapped and chased all holes for the new stub shaft.
  • Torqued all bolts to specification.
  • Cleaned and wire wheeled all stub shafts for better seating and sealing.
  • Wire wheeled all new bearing components and support rings due to excessive corrosion.
  • Moved cover plate out of the way to allow installation of the new drum.
  • Washed the inside of the dryer with degreaser.
  • Fabricated more slides for new drum install.
  • Fabricated lifting eyes and welded into key locations for lifting points.
Project DetailS

Building the Future with Expertise & Innovation

Replacement of a 50-ton RotaDisc dryer and associated work. The RotaDisc dryer is used to recycle food waste and-products from food producers, like farms, restaurants and supermarkets, transforming them into ingredients used in renewable energy, animal feed, soap and more. Work was conducted over a period of 24 days.

Scope Items

  • Site mobilization and safety course/orientation.
  • Rotor end bearing/saddle support removals.
  • 6×6 wood sliders installation and strapping.
  • Strip excess assemblies and place slider guide.
  • Install temporary floor angle braces (Peri-form jacks).
  • Jack rotor out of shell to temporary wall.
  • Arrange wood wall removal and crane schedule.
  • Sunday crane logistics and rotor removal.
  • Prepare new rotor with bearings and saddles torqued.
  • Clean old housing and align for new rotor installation.
  • Arrange wood wall removal and second crane schedule.
  • Sunday crane logistics installing new rotor into shell.
  • Reinstate wood temporary wall after new rotor install.
  • Slide rotor into internal bearings and finalize alignment.
  • Finish bolt up on housings and end plates.
  • Test rotate new rotor and test run all assemblies.
  • Final commissioning of rotor assembly and reconnections.
  • Location: Vancouver, British Columbia