Belzona Elastomer Used to Repair Torn Conveyor Belts at Recycling Plant
Industry: General Industry (GIND)
Application: SHM-Solids Handling Machinery (SHM)
Substrate: Reinforced rubber
Customer Location: Recycling Plant - Zurich, Switzerland
Application Date: April 2019
Products:
Belzona 2311
Belzona 9341
Belzona 2911
Belzona 9111
Problem: Straps of the conveyor belt had been replaced on a few weeks earlier and the client had no replacements in stock. This damage had occurred on a conveyor belt in the stage of the recycling process, during a busy period of the year. Therefore, the conveyor belt needed to be repaired as soon as possible.
Photograph Descriptions
- Damage along the length of the conveyor belt
- Heavy scoring and tears resulted in shutdown
- The repair area masked off for application of Belzona 2311
- The Belzona repair allowed for a return to service the very next day
Application Situation
A recycling plant specialising in urban mining, extracting and reusing building materials from previous sites e.g. concrete. At the facility, a large conveyor belt had become caught on a defective scraper, causing a linear tear over 32m along the rubber.
Application Method
The application was carried out in accordance with Belzona Know-How System Leaflet SHM-1. Any loose parts of the rubber were first cut away, before the substrate was prepared using a rotary wire brush. The entire area was subsequently cleaned using Belzona 9111. The defected areas were masked off and conditioned, before Belzona 2311 was applied to the surface. This is a fast-curing material that is cold-curing and requires no specialist application tools. To reinforce the repair Belzona 9341 (a flexible and strong farbic mesh) was embedded into the elastomer and then encapsulated with a secondary application of Belzona 2311.
Belzona Facts
Due to the fast turnaround required, the Distributor carried out the repairs on the same day. The application took 7 hours to complete compared to replacement, which would caused approximately 3 times the amount of downtime. This allowed the plant to run the conveyor belt the very next day. This belt is still in use after 9 months without any problems at the repair points.
