KHIA headerKnow-How in Action

VOL XXVIII, NO 34

Belzona Repairs The Base Drive Of A Coke Mill

 
 

Industria:

Mining and Quarrying (MINQ)

 
 

Áreas Know-How:

Floor Problem Areas (FPA)

 
 

Cliente / ubicación:

Aluminum Producer, MA, Brazil

 
 

Fecha de aplicación:

July 2006

 
 

Situación de aplicación:

Base drive of the ball mill

 
 

Problema:

The leveling grout of the mill’s base drive was crushed, cracked and had loss of a section. Because of that, the equipment lost partial support area, which increased the pressure on the horizontal and vertical load anchors. Consequently, anchors sheared over time, which increased the vibration of the equipment.

 
 

Productos:

Belzona 4111 (Magma-Quartz)

Belzona 4911 (Magma TX Conditioner)

Belzona 4151 (Magma-Quartz Resin)

 

Substrato:

Concrete (base) and Steel (metal structure)

 
 

Método de aplicación:

This application was carried out based on the Belzona Know How System Leaflets FPA-10 and FPA-1. First, all existing grouting was removed. The base surface was prepared with industrial sander and, after cleaning, conditioned with Belzona 4911 and Belzona 4111 was applied. After preparation, the metal structure was installed on the base and leveled with shims and anchor bolts. Application of Belzona 4111 and Belzona 4151 followed by injection. Operation conditions: temperature 30 to 40°C – Dry Service.

 
 

Hechos Belzona:

Belzona System allowed quick repair with the minimum downtime and avoided expensive structural reconstructions. Repair took 9 hours to complete. Vibration reduction: before application 19.69 mm/s, after application 1.98 mm/s.

 
 

Descripciones de fotografías

  1. Drive base crushed, cracked and with loss of a section
  2. Application of Belzona 4911 on all the surface of the base
  3. Base completely recovered with Belzona 4111
  4. Application of Belzona 4111 and Belzona 4151 by injection
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
 
Para obtener más información acerca de los productos Belzona visite: www.belzona.com