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Product Description
Clay sand, a critical element in the world of foundry, serves as the molding sand bound together by clay. This vital resource is managed by the sand treatment department, a cornerstone of any successful foundry operation. Tasked with delivering molding sand of the highest caliber, this department directly influences casting quality, output enhancement, and cost efficiency. Given the intricate nature of sand treatment processes, along with the challenging environmental conditions, mechanizing these operations becomes indispensable for superior casting production.
We specialize in comprehensive turnkey projects encompassing clay sand treatment line design, equipment manufacturing, installation, and commissioning, ensuring seamless execution from conception to completion.
Green Sand Production Line Process: In foundry production, clay sand acts as a modeling (core) agent with clay serving as the binder. Central to successful foundry operations is the mechanization of sand recovery, directly impacting the quality and cost-effectiveness of casting outputs. The complex nature of recycling and treating used sand requires significant effort in processing and transport, compounded by harsh environmental conditions. Mechanizing these processes is crucial. After a casting is poured and cooled, the sand mold undergoes separation through a vibrating shakeout machine (drum shakeout machine), isolating the casting sand. The hot castings are conveyed to a shot blasting area via a scale conveyor, while a belt conveyor at the shakeout machine's outlet channels old sand to a regeneration area. Here, suspended magnetic separators and crosswise conveyors extract iron contaminants, and dust removal ports eliminate dust from the old sand. The screened sand enters a small sand silo, where a boiling cooling bed reduces its temperature. Subsequently, the 2# bucket elevator lifts it to a larger sand silo for storage. An unloader distributes the sand to various bins, each equipped with a vibrating disc feeder. Old sand descends onto a belt conveyor, progressing to the rotor sand mixer’s storage hopper. Coal powder and bentonite are precisely measured via a screw feeder and mixed proportionately in the rotor sand mixer. Post-processing by the sand loosening machine, it is ready for new moldings.

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Factory Address
QINGDAO SANZHUJI
With a rich legacy spanning over 14 years, we are experts in crafting advanced sand casting machinery. Our offerings include green sand casting lines, furan resin sand production lines, lost foam casting lines, and coated sand steel casting lines, representing the pinnacle of innovation and expertise.
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Address: North of G204 National Road, Poli Town, West Coast New Area, Qingdao, China