There are many different techniques that people use to solve carryback issues. A multiple-cleaner system has been proven one of the most effective ways to prevent carryback. Many plants have belt scrapers in operation but still have carryback because they haven’t executed best practices or fully understand the importance of multiple-cleaner systems. Carryback often causes other problems if left unresolved (belt mistracking, safety hazards, production loss, excess cleanup, etc.,). The investment usually pays for itself within hours.
Root Causes:
• Sticky/wet material
• Fine/flaky material
• Poor belt surface conditions
There are easy and cost-effective ways to reduce and even prevent material carryback.
Best Practices:
• Urethane primary belt cleaner
• Tungsten carbide secondary cleaner
• Vulcanized/skived mechanical splices
• Bi-monthly maintenance
• Correct installation and belt cleaner sizing
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