How a Papermaking Facility Reduced Material Loss with Buried Scraper Conveyors
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By adopting enclosed Buried Scraper Conveyors, a papermaking plant eliminated dust loss and fiber damage. This shift ensured 99% material retention, improved safety, and boosted overall profitability.
In the high-volume world of paper production, the efficient handling of raw materials like wood chips, pulp, and recycled fiber is critical. Traditional conveying systems often struggle with material degradation and dust emission, leading to significant financial loss and environmental concerns. A recent case study of a leading papermaking facility highlights how transitioning to Buried Scraper Conveyors solved these challenges.
The Challenge: Open Systems and Waste
The facility originally utilized open belt conveyors to transport dry wood chips and chemical additives. However, this setup faced three primary issues:
Windage Loss: Fine fibers and light materials were easily blown away during transport.
Contamination: Open exposure allowed debris to enter the material stream, compromising paper quality.
Mechanical Attrition: Harsh handling caused fiber breakage, reducing the structural integrity of the final product.
The Solution: The Buried Scraper Advantage
By integrating a Buried Scraper Conveyor, the facility moved to a totally enclosed, dust-tight design. Unlike traditional scrapers that drag material along the bottom, a buried scraper conveyor operates on the principle of internal friction. As the chain moves, the "buried" material travels as a continuous column, occupying the majority of the casing’s cross-section.
Quantifiable Results
The shift to buried scraper conveyor technology yielded immediate operational improvements:
99% Material Retention: The sealed environment virtually eliminated dust loss, saving tons of raw material annually.
Reduced Footprint: The high-volume capacity per square meter allowed the facility to reclaim floor space for other processing equipment.
Gentle Handling: The "en-masse" movement minimizes relative motion between the material and the chain, significantly reducing fiber damage.
Safety & Compliance: Eliminating airborne dust reduced the risk of combustible dust explosions, ensuring a safer workspace and easier regulatory compliance.
Conclusion
For papermakers looking to optimize their bottom line, the lesson is clear: efficiency starts with how you move your medium. By switching to Buried Scraper Conveyors, this facility didn't just stop the leaks in their process—they improved their product quality and environmental footprint simultaneously. In an industry where margins are thin, every fiber counts.
Buried Scraper Conveyor
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