Which 4 Metrics Expose Hidden Profit Loss in Your Zn/Pb Circuit?

Джессика

Автоматизация ведения и интеллектуальные системы добычи

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2026-02-18

Identifying hidden profit losses in a zinc (Zn) and lead (Pb) processing circuit involves analyzing metrics that reveal inefficiencies, suboptimal recoveries, or excessive costs. Below are four key metrics to focus on:

1. Коэффициенты извлечения

   • What to Measure: The percentage of zinc and lead recovered from the ore compared to the theoretical maximum.
   • Why It Matters: Low recovery rates indicate that valuable metals are being lost in tailings or other waste streams, which directly translates to profit losses. Regularly monitoring recovery efficiency can uncover hidden problems such as equipment inefficiencies, improper reagent use, or flowrate issues.

2. Grade of Concentrates

   • What to Measure: The concentration of zinc and lead in the concentrate produced.
   • Why It Matters: If the grade of the concentrate is lower than expected, it suggests inefficiencies in separation or excessive contamination by gangue minerals. Lower-quality concentrates may result in penalties from buyers or higher refining costs, reducing profits.

3. Потребление реагентов

   • What to Measure: The amount and cost of flotation reagents, pH modifiers, and other chemicals used in the processing circuit.
   • Why It Matters: Excessive reagent consumption or improper dosing can increase operating costs and hinder process efficiency. Analyzing reagent use patterns can help optimize chemical costs while achieving desired separation and recovery rates.

4. Energy Consumption per Unit of Ore Processed

   • What to Measure: The energy usage (electricity, heat, etc.) associated with crushing, grinding, flotation, and other processing steps, normalized per ton of ore processed.
   • Why It Matters: High energy consumption often points to inefficiencies in grinding equipment or overly aggressive process settings. Optimizing energy usage can reduce operating costs while maintaining or improving performance.

By continuously monitoring these metrics, you can identify subtle inefficiencies and hidden losses in your Zn/Pb processing circuit, enabling corrective action and maximizing profitability.

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