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Product Description
Clay sand, renowned for its binding properties, serves as a pivotal component in molding processes with clay as its binder. The sand treatment division plays a critical role within the foundry, tasked with supplying the molding core-making department with superior quality molding sand. The meticulous preparation of molding sand significantly influences the excellence of casting production, boosting output, and slashing costs. Given the intricate nature of sand treatment processes, the workload associated with clay sand treatment and transportation is substantial, and the conditions are challenging. Thus, the mechanization of the sand treatment process stands as a cornerstone of casting production, ensuring efficiency and reliability.
Qingdao Sanzhuji Technology Co., Ltd. is a leader in the design and execution of clay sand treatment lines, offering comprehensive services that encompass equipment manufacturing, installation, commissioning, and complete turnkey projects.
Green sand production line process: Our meticulously engineered process utilizes clay as a binder to craft modeling (core) sand. The mechanization of sand recycling is vital for efficient foundry production. The caliber of recovered casting sand post-pouring greatly affects the overall quality, production yield, and cost efficiency of castings. The intricate process of recycling and treating used sand involves heavy processing and transportation, under challenging environmental conditions. Mechanization of this segment is crucial. Following pouring and cooling, a vibrating shakeout machine (drum shakeout machine) efficiently separates the sand mold, while hot castings are seamlessly moved to the shot blasting area via a scale conveyor. A strategically placed belt conveyor at the shakeout machine's sand outlet transports reclaimed sand to the regeneration area. Cross-placed suspended magnetic separators and belt conveyors deftly remove iron impurities from the reclaimed sand. Dust is meticulously filtered out, and processed sand is stored into small silos. A state-of-the-art boiling cooling bed ensures efficient cooling of used sand, which is then elevated via the 2# bucket elevator to the storage silo. The unloader expertly distributes bulk sand to designated bins, each fitted with vibrating disc feeders. Subsequently, the sand is conveyed to the rotor sand mixer’s storage hopper. Through a sophisticated screw feeder mechanism, coal powder and bentonite are precisely weighed and blended, ensuring uniform mixing in the rotor sand mixer. This refined sand is then ready for subsequent molding, ensuring superior casting quality.

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Factory Address
QINGDAO SANZHUJI
With over 14 years of exceptional history, Qingdao Sanzhuji Technology Co., Ltd. stands at the forefront of sand casting machinery production. Our expertise spans across green sand casting production lines, furan resin sand casting lines, lost foam casting lines, and coated sand steel sand buried casting lines, setting industry standards for innovation and excellence.
Contact Us
Address: North of G204 National Road, Poli Town, West Coast New Area, Qingdao, China