2 Millionen t/a Goldflotationanlage Erweiterung in Xinjiang, China

Foton des Fallstandorts

Verarbeitungsweg

  • Integration of a new Primär-Gyratory-Crusher to handle increased throughput.
  • Existing two-stage crushing circuit (Jaw + Cone Crusher) optimized and retrofitted to form a robust Dreistufiges Zerkleinerungssystem, um eine konsistente Futtergröße von 12 mm für das Mahlen sicherzustellen.
  • Installation of new, high-efficiency 200 m³ Flotationszellen to form an expanded circuit.
  • Implementation of a “1-stage Rougher, 3-stage Cleaner, 2-stage Scavenger” configuration for superior selectivity and recovery.
  • Introduction of an advanced automatisiertes Reagenzdosiersystem to optimize collector and depressant usage, particularly for controlling arsenic.
  • DCentralized PLC/DCS-Steuerungssystem integrated with the existing plant control room.
  • Addition of online Partikelgrößenanalysatoren (PSD) and pH/ORP-Sensoren for real-time process optimization, ensuring stable operation at the expanded capacity.
  • Addition of a second Φ5,0m x 8,5m Kugelmühle operating in parallel with the existing unit.
  • Formation of a closed-circuit grinding system with Hydrozyklone to achieve a target grind size of 80% passing 75µm, essential for liberating fine gold locked in sulfides.
  • New Hochleistungsdickstoff for flotation concentrate dewatering.
  • Installation of a Filterpresse for the concentrate to produce a low-moisture filter cake, reducing transportation costs.
  • Aktualisiertes Pumpensystem und Rohrleitung für die bestehenden Rückhaltefacilität, entworfen, um das erhöhte Volumen zu bewältigen.
  • Kapazitätssprung: Successfully increased processing capacity by 800.000 t/a, die Zielvorgabe von 2 Millionen t/a erreichen.
  • Wiederherstellungsbooster: Through finer grinding and optimized flotation, the overall gold recovery rate was significantly enhanced by 6.5%.
  • Bewährte EPC-Fähigkeit: Demonstrated strong capability in brownfield project execution, seamlessly integrating new systems with existing infrastructure with minimal disruption to ongoing production.
  • Anpassung an Refraktäres Erz: The flowsheet is specifically designed to tackle the challenges of refractory sulfide gold ores prevalent in the region.
  • Betonung der öko-effizienz: The expansion prioritized water recycling from the thickener overflow and dry tailing stacking where applicable, aligning with stringent environmental policies in Xinjiang.

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