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Brunei Jinchangyu Mining, China National Gold Group
Project Name: China Gold – Hebei Jinchangyu
Construction period: 2023
Filling capacity: 90 m³/h (daily processing capacity: 1,000 t)
Case description: Full-tailings cemented backfilling is employed, with a tailings slurry concentration of 65–75% and a maximum discharge pressure of 16 MPa.
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Product Description
Introduction/Results
Hebei Jinchangyu Mining is a wholly owned subsidiary of China National Gold Group and one of the largest and most representative gold mines in the Jidong mining district. Located in Qianxi County, Hebei Province, the project employs a complete set of backfilling equipment and utilizes full-tailings cemented backfilling, with ordinary Portland cement as the binding agent. The backfill station is designed to handle 1,000 m³ of void space per day, with an hourly filling capacity of no less than 85 m³/h. The tailings are conveyed at a solids concentration of 65–75%, with a maximum discharge pressure of 16 MPa.
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