Resin Sand Reclamation System: Technology, Applications, and Innovations
Resin sand reclamation systems are critical in foundry operations for recycling spent sand bonded with thermosetting resins (e.g., phenolic,furan). These systems address environmental and economic challenges by recovering usable silica sand from waste resin-bonded sand, reducing raw material costs and landfill disposal needs .
Working Principle
Mechanical crushing: Breaking down hardened resin-sand aggregates using crushers or vibratory equipment.
Cooling and Screening: Sieving the reclaimed sand to remove fines and impurities.
Advantages and Applications
Environmental Benefits: Reduces waste by up to 95%, aligning with global sustainability goals .
Cost Savings: Lowers resin consumption by 30-50% and minimizes virgin sand demand .
Quality Assurance: Reclaimed sand meets industry standards (e.g., SY/T 6572-2003 for resin performance) when properly processed .
Conclusion
A resin sand reclamation system is the set of equipment and processes used to recover and recycle used (spent) resin bonded sand from metal casting operations so it can be reused in future molds. By cleaning off binders, metal fines, and other contaminants, reclamation systems reduce waste disposal costs and lower the need for virgin sand.
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