Troubleshooting Belt Cleaners

Related Vendors

TRM Filter d.o.o.

Frewitt fabrique de machines SA

Angst+Pfister AG

Kinder & Company Pty. Ltd.

Installation / Correct Mounting

Correct mounting is the third point and major contributing factor in prolonging the wear life of belt cleaners.

The incline of the conveyor needs to be considered when the cleaners are mounted. Failure to do so will result in the cleaner not correctly scraping the belt, resulting in sticky material collecting between the blade and the conveyor belt, causing inefficient cleaning and premature wear. In some unfortunate cases, incorrectly mounted blades have been positioned in such a way, that they are helping discharge the product, rather than scraping and cleaning the excess.

It is recommended that the belt cleaner be positioned below the horizontal line perpendicular to the pulley vertical line (see Fig. 2), not necessarily parallel to the stringers or conveyor belt. Material trajectory should also be taken into consideration.

Correct Sizing and Profiling

Experience has shown, that approximately one in three cases of premature wearing belt cleaners is caused by incorrect profiling of the cleaner against the conveyor belt.

With most of the cleaning required in the centre of the belt, where the majority of material is being conveyed, (assuming tracking is acceptable), this is the location where most of the wear in the cleaner will occur.

Pipe Conveyor Technology

Replacing the Conveyor Belt of a Long Distance Pipe Conveyor at the Skyline Mine

Over time, a wear pattern occurs, parabolic in appearance similar to a “smile”. This is due to the parts of the blade contacting the clean sections of the belt and not wearing in comparison to the centre, therefore restricting the rest of the blade from adjusting itself closer to the head drum. Combined with the fact that the belt cleaner may be trying to remove conveyed material from the belt rather than left over carry back, causes the issue regularly witnessed and discussed.

In the event of this occurrence, it is suggested that sections be cut off, where the smiling is starting to form (see opening picture). This will provide a more even cleaning edge, prolonging the blade’s wear life and increasing overall cleaning efficiency.

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