The Guxin copper oxide‑specific color sorter can handle dry materials with particle sizes ranging from 0.5 to 8 cm, and wet materials from 0.8 to 8 cm. Its standout feature is a patented dual‑layer conveyor‑belt, free‑fall feeding system. The machine supports mixed‑material color sorting, delivering high sorting accuracy, large throughput, minimal carry‑over of good material, high yield of finished product, robust stability, low overall power consumption, and excellent cost‑effectiveness—offering distinct advantages over comparable equipment. Guxin’s dedicated copper oxide sorter integrates AI‑powered multispectral technology to precisely distinguish high‑grade ore from white and yellow waste rock. It enables environmentally friendly dry sorting, replaces manual labor, boosts grade, reduces costs, and reactivates tailings—making it an essential solution for copper mining companies seeking to improve quality and efficiency while achieving rapid return on investment.

I. Product Applications

1. Applicable mineral types:  
Copper oxide ore: Malachite, azurite, cuprite, tenorite, and chrysocolla, among others, exhibit colors ranging from bright green, blue‑green, deep blue, dark brown, to brick red. The gangue minerals are typically white or off‑white quartz, dolomite, calcite, and limonite (yellowish inclusions). High‑quality material: bright green, blue‑green, deep blue, and jet black (high Cu content); waste or impure material: pure white quartz, gray‑white limestone, yellowish‑brown limonite, earthy yellow clay clumps, and black‑speckled pyrite.  
Cobalt/Zinc Ore: It is commonly associated with cuprite, chalcocite, sphalerite, smithsonite, cobaltocalcite, and hydrotalcite; its color typically ranges from pinkish‑purple to rose red, light gray, pale brown, and bluish‑black. Common gangue minerals include white quartz, limestone, argillaceous debris, and pyrite with black specks. High‑quality material: pinkish‑purple, rose red, light bluish‑gray, and pale brown (containing Co/Zn); waste/impure material: white quartz, gray gangue, yellow inclusions, black slag, and clay lumps.  
2 , Core Technology ： AI + Multispectral + Color Sorting It classifies “good ore, gangue, and waste rock” based on color, grayscale, and texture, without compromising the mineral structure—dry sorting, non‑destructive, and environmentally friendly.

II. Application Scenarios

1. Raw Ore Preprocessing (Most Common)  
Scenario: Underground and open-pit mining of raw ore, with particle sizes ranging from 0.5 to 8 cm, containing significant amounts of white vein quartz, waste rock, yellow material, and barren rock.  
Objective: To pre‑discard waste, increase the feed grade to the mill, reduce ball‑mill energy consumption, and lower reagent usage.  
Effect: Waste rock is discarded directly, while copper, cobalt, and zinc are enriched by 2–5 percentage points or more, and the mill feed rate is reduced by 30–60%.  
2. After coarse crushing, perform size classification and color sorting (0.5–1 cm, 1–3 cm, 3–5 cm, 5–8 cm).  
Scenario: Discharge from a jaw crusher or cone crusher—particles smaller than 3 cm (fine), 3–5 cm (medium), and 5–8 cm (coarse)—contaminated with oxidized copper, cobalt, and zinc; white quartz; gray miscellaneous stones; yellow limonite; and clay lumps.  
Objective: To achieve higher sorting accuracy and lower carry‑over rates through particle‑size‑based color sorting; to feed material smaller than 0.5 cm into flotation, and after fine‑grading copper ore in the 0.5–8 cm size range, to increase the grade to above 5%, enabling direct sale of high‑grade lump ore.  
3. Re‑beneficiation of tailings/sludge (resource recovery)  
Scenario: Low-grade oxidized copper, cobalt, and zinc ores (0.2–0.8% Cu) are present in old tailings, stockpiled waste rock, and flotation tailings, making them difficult to identify with the naked eye.  
Objective: Secondary enrichment, improved recovery rates, optimized inventory management, and increased profitability.  
Result: Recovery of copper‑cobalt‑zinc particles in the 0.5–8 cm size range, with grade increased to above 3.6%, suitable for direct sale or regrinding.  
4. Product Purification (High-Grade Lump Ore)  
Scenario: High-grade oxidized copper, cobalt, and zinc lumps that have undergone manual and rough sorting (≥3% Cu), containing a small number of white specks, fine vein gangue, and yellow impurities.  
Objective: Remove impurities, purify the material, and sell it at a premium (high-grade lump ore commands a price 1.5 to 3 times that of ordinary ore).  
Effect: Removes minute impurities, with a purity of ≥98%, a clean appearance, and strong buyer demand.  
5. Associated mineral separation (cobalt–zinc and copper oxide mixed ores)  
Scenario: A polymetallic ore containing cobalt, zinc, and copper, with similar colors that are difficult to distinguish with the naked eye.  
Objective: To separate copper concentrate, cobalt concentrate, zinc concentrate, and waste rock, thereby achieving multiple product streams from a single ore body and maximizing value.

III. Technical Parameters

Note: The above production figures are based on a particle size of 1–5 mm (including 5% impurities).

IV. Technical Advantages

1. Image and Algorithm Processing System  
Cutting-edge DSP and FPGA processing technologies, combined with color‑ and spatial‑based multi‑mode complex algorithms, deliver “color‑plus‑shape” sorting capabilities tailored to diverse materials. With freely configurable modes, you can select from tens of thousands of material types.  
2. Camera Image Acquisition System  
Imported high-precision camera lenses ensure clear, accurate imaging; an imported high-precision 5400-pixel high-speed linear full-color smart CCD is employed for high-definition recognition and rapid sorting.  
3. Self‑priming nozzle and valve actuation mode  
Equipped with a professional high-speed air valve, it delivers rapid actuation response, low power consumption, and extended service life; reduces air consumption, achieves faster response, more precise impact, lower carry‑over ratio, and higher throughput; with a service life exceeding 10 billion cycles.
4. Light Source System  
LED optical design system, with multiple light source options to accommodate various materials; addresses issues such as high temperatures, significant power loss, and shortened lifespan that arise from prolonged LED operation; ensures long-lasting durability under constant temperature conditions.  
5. Feeding System  
An advanced material-feeding detection system is employed to ensure uniform material flow.  
6. Crawler Conveyor  
It employs a tracked conveyor system, delivering excellent color‑sorting performance and stable material transport, which effectively enhances both the carry‑over ratio and the purity rate while also significantly reducing material breakage during the sorting process.  
7. Flexible mode with a wide range of applications  
Corresponding operating modes have been designed for different materials, enabling a single machine to perform color sorting on various types of materials.  
8. Operating System – Simple and Easy to Use  
Touchscreen displays from professional manufacturers, an intuitive human–machine interface, a clear and easy-to-read operation menu, and simplified settings enable customers to quickly master the various functions of the color sorter.

V. Operating Environment

1. Ambient temperature  
Standard: 0–35°C (usable year-round)  
Wide-temperature range: -20°C to +45°C (suitable for northern winters, outdoor use in the south, and mining areas in Xinjiang and Inner Mongolia)  
2. Dust/Humidity  
Adaptability: High dust levels in mining environments, ≤85% RH (no water washing required; dry separation)  
Protection: Fully sealed enclosure, positive-pressure dust protection, and automatic lens purging—resistant to dust clogging the lens.  
3. Installation Site  
Dimensions: Length 4.907 m × Width 1.82–2.42 m × Height 2.727 m.  
Foundation: Concrete floor; no pre‑embedding required; installation completed in 2–3 days.  
Power supply: 380 V / 50 Hz, power rating 6.5–7.5 kW (10 times more energy-efficient than ball milling).  
4. Feeding Conditions  
Materials: Dry materials (free of large clumps of mud and sharp metal); wet materials (free of sand and silt, with relatively clean raw materials).  
Feeding: Uniform vibratory feeding, preventing material blockage and machine jamming.

VI. Core Advantages

1. Enhance your value and earn more money directly.  
Copper oxide: The grade of the raw ore ranges from 0.8% to 1.2%; after beneficiation, the grade increases by more than 5%. The refined product can be directly used as a concentrate, and if subjected to flotation, flotation costs are significantly reduced.  
Cobalt–zinc: Co/Zn grades are enriched by 2–3 times; waste rock is discarded directly, resulting in reduced grinding, lower reagent consumption, and higher sales of concentrate.  
2. Dry separation is environmentally friendly—no water is used, and no tailings are produced.  
The entire process employs dry separation, with zero water consumption, zero wastewater discharge, and zero tailings disposal.  
Primarily suited for arid regions—such as Xinjiang, Inner Mongolia, and Africa—this solution addresses the pressing challenge of water scarcity.  
3. Replaces manual labor, saving manpower, effort, and costs.  
One color sorter equals 30 skilled workers, operating continuously around the clock.  
Manual sorting is inefficient (0.5–1 ton per person per day), prone to significant errors, and costly (300–500 yuan per ton).  
Color sorter: 10–30 tons/hour; cost: 5–10 yuan/ton; payback period: 3–6 months.  
4. High precision, low carry-over rate, and no loss of good material.  
Color-sorting accuracy: ≥99.5% (up to 99.9% for the high-end AI model)  
Recovery rate (good material mixed with waste): ≤3–5% (manual recovery ≥15%)  
Micro‑impurity detection: at the 0.1 mm level, even white and yellow spots invisible to the naked eye can be removed.  
5. High processing capacity, suitable for large-scale as well as small and medium-sized mining enterprises of varying sizes.  
It can operate continuously for 24 hours, offering stable, reliable performance with a low failure rate.  
6. AI intelligence: self-learning and easy to operate  
Touchscreen operation, Chinese-language interface, one-touch start, and automatic operation.  
AI Self-Learning: Switch mineral types and colors, train with one click, and get it done in 10 minutes.  
Remote Monitoring: View production output, accuracy, and fault status via a mobile app, with remote debugging capabilities.  
7. Wear-resistant and durable, specially designed for mining applications.  
Key components: high-wear-resistant alloy slide rail, stainless steel nozzle, dust-proof lens  
It has few wear parts, requires simple maintenance at low cost, and needs only annual servicing.  
8. Comprehensive resource utilization—extracting every last bit of value.  
Capable of processing raw ore, coarse‑crushed ore, tailings, and waste rock.  
Copper, cobalt, and zinc are selectively enriched, thereby increasing the overall recovery rate and turning waste into valuable resources.

VII. Color Sorting Site at Some Customer Locations