Lead-zinc ore sorting equipment customer site
Release time：
2026-02-26
Source：
GoFine
This is the lead-zinc mine beneficiation equipment in Lushi County, Sanmenxia. Inside the beneficiation plant, massive ball mills roar as they grind low-grade oxidized lead-zinc ore to a fineness suitable for flotation. This mine once faced a world-class problem—over 40 million tons of low-grade ore were considered “waste” due to high beneficiation costs, piling up like mountains.
After 40 years of continuous research and development, the production line has been completely transformed. From rod mills to flotation machines, every piece of equipment operates with precision. In the grinding workshop, the Φ2700×4500mm wet overflow rod mill employs a “line contact” grinding method, with steel rods preferentially crushing coarse materials, resulting in a more concentrated product particle size distribution and a 15% reduction in over-grinding, creating ideal conditions for subsequent flotation.
Inside the flotation workshop, 48 XCFⅡ/KYFⅡ type flotation machines are neatly arranged. This combined equipment uses the XCFⅡ self-priming slurry flotation machine as the first cell, automatically drawing in slurry and air. Subsequent cells employ the KYFⅡ aerated flotation machine, supplied with air by an external fan, reducing energy consumption by 40%. The stepped process increases the probability of mineral-bubble collision by 30%, significantly improving recovery rates.
On the large screen in the central control room, various indicators are displayed in real time: zinc recovery rate over 78%, lead recovery rate 48.46%, concentrate grade 28.69%, exceeding international advanced levels by 3 percentage points. What was once considered “waste slag” has now produced a cumulative 20,500 tons of zinc oxide metal, generating 60 million yuan in revenue.
From equipment installation to stable operation, the Chinese technical team was stationed on-site throughout, providing hands-on training to local operators to ensure that every piece of equipment could operate continuously and efficiently in this region.
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