중국 신장 200만 t/a 금 플로테이션 공장 확장

사례 현장 사진

가공 방법

  • Integration of a new 기초 굴착 크러셔 to handle increased throughput.
  • Existing two-stage crushing circuit (Jaw + Cone Crusher) optimized and retrofitted to form a robust 3단 분쇄 시스템, 분쇄를 위해 12mm 이하의 일관된 투입 크기를 보장합니다.
  • Installation of new, high-efficiency 200 m³ 플로테이션 셀 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 자동화 시약 투여 시스템 to optimize collector and depressant usage, particularly for controlling arsenic.
  • DCentralized PLC/DCS 제어 시스템 integrated with the existing plant control room.
  • Addition of 온라인 입자 크기 분석기 (PSD) and pH/ORP 센서 for real-time process optimization, ensuring stable operation at the expanded capacity.
  • Addition of a second Φ5.0m x 8.5m 볼 밀 operating in parallel with the existing unit.
  • Formation of a closed-circuit grinding system with 하이드로사이클론 to achieve a target grind size of 80% passing 75µm, essential for liberating fine gold locked in sulfides.
  • New 고율 점성제 for flotation concentrate dewatering.
  • Installation of a 필터 프레스 for the concentrate to produce a low-moisture filter cake, reducing transportation costs.
  • 기존 저수지에 증가된 양을 처리할 수 있도록 설계된 업그레이드된 폐기물 펌핑 시스템 및 파이프라인.
  • 능력 도약: Successfully increased processing capacity by 800,000 톤/년, 200만 톤/년 목표 달성.
  • 회복 향상: Through finer grinding and optimized flotation, the overall gold recovery rate was significantly enhanced by 6.5%.
  • 검증된 EPC 역량: Demonstrated strong capability in brownfield project execution, seamlessly integrating new systems with existing infrastructure with minimal disruption to ongoing production.
  • 내화 광석에 적응됨: The flowsheet is specifically designed to tackle the challenges of refractory sulfide gold ores prevalent in the region.
  • 환경 효율성 강조: 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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