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2025-11-21

Processing lead-zinc ores requires efficient extraction equipment that can handle the complexity of the ore composition, including the mineralogy and the sulfide content. The best equipment depends on the specific requirements of the ore and the desired recovery rates. Here are some commonly used extraction equipment for processing lead-zinc ores:

1. 파쇄 및 분쇄 장비

Lead-zinc ores first need to be crushed and ground to liberate the valuable minerals:

• 조 크러셔: Used for primary crushing to reduce large-sized rocks into smaller particles.
• Cone Crusher or Impact Crusher: 이차 분쇄용.
• Ball Mills or SAG Mills: Used to grind the crushed ore into finer particles for mineral liberation.
  • 장점: Effective grinding is critical to prepare ores for downstream processes like flotation.

2. Flotation Equipment

Flotation is the primary method used for separating lead and zinc minerals from gangue:

• : 정밀한 선별 및 분류 장비는 자기 분리기로 공급되는 입자 크기가 일정하고 원하는 범위 내에 있도록 보장하여 분리 효율을 높입니다. : Specialized machines like column flotation or mechanical flotation cells (e.g., Denver, Outotec, or FLSmidth models) are used for separating lead and zinc concentrates.
  • Collectors & Frothers: Chemical reagents like xanthates (used for sulfides) or other types help enhance flotation efficiency by selectively targeting lead and zinc minerals.

3. Classification and Separation

To ensure optimal separation, classification is performed:

• 소수기 및 나선형 분류기: Used to classify particles according to size or density.
• High-Frequency Screens: For fine separation.

4. Thickening and Dewatering Equipment

Before smelting or refining, concentrates need to be dewatered:

• 필터 프레스 또는 Vacuum Filters: Used for removing moisture from concentrates.
• 농축조: Aid in slurry concentration and reduce water content.

5. Smelting and Leaching Equipment

If processing involves pyrometallurgical or hydrometallurgical techniques:

• Blast Furnaces or Rotary Kilns (for smelting lead and zinc concentrates into refined metals).
• 침출 탱크 (used in hydrometallurgical processes like electrowinning for zinc extraction).

6. Auxiliary Equipment

Various supporting equipment complements the extraction process:

• 탈수 스크린: Removes excess water for cleaner concentrates.
• 펌프 및 파이프라인: Transport slurry throughout the system efficiently.

Choosing the Right Equipment:

The best extraction equipment depends on:

1. Mineralogy of the Ore: Sulfide ores require flotation; oxidized ores may need leaching or other methods.
2. Desired Concentrate Grade: Higher recovery and purity require advanced flotation technology.
3. 비용 효율성: Equipment that minimizes energy consumption and offers durability ensures long-term operational efficiency.

Leaders in mineral processing equipment manufacturing include companies like Metso Outotec, FLSmidth, Eriez Flotation, and Sandvik. Partnering with a manufacturer or consultant for ore-specific solutions can optimize your process significantly.

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