Crane Configuration for Metal Mining
At a Glance: Kelude Heavy Industry provides complete crane configuration solutions for metal mining operations, covering all four process stages—crushing, hoisting, mineral processing, and tailings handling. With lifting capacities from 5 to 100 short tons and spans from 26 to 118 ft (8 to 36 m), total crane equipment investment typically ranges from approximately $60,000 to $740,000. The crushing area is equipped with heavy-duty double-girder bridge cranes (16–32 t) for crusher liner and jaw plate replacement; the hoisting zone features mine shaft headframe maintenance cranes (5–20 t); the processing plant uses anti-corrosion, wear-resistant overhead cranes (10–50 t) for ball mill liner and flotation machine servicing; and the tailings area is fitted with corrosion-resistant gantry cranes (5–16 t)—all engineered for the high-dust, heavy-wear, and highly corrosive conditions typical of metal mines.
Crane Configuration Solutions for Metal Mining
Crushing Section | Hoisting & Transport | Processing Plant | Tailings Handling
In metal mining operations (iron ore, copper, gold, lead-zinc, and similar), overhead crane applications concentrate across four key stages: the crushing circuit, where impact loads and heavy dust are the norm; the shaft hoisting system, which demands explosion-proof maintenance access; the processing plant, with its corrosive and humid environment; and the tailings area, requiring weather-resistant outdoor hoisting equipment. Kelude Heavy Industry holds full-range certification for mining-duty explosion-proof cranes.
Scenario 1 — Crushing Section
• Lifting capacity 10–32 t, LD/LH type overhead cranes
• Crusher maintenance / liner replacement
• High dust / sealed motors
• Frequent start-stop cycles / impact loads
• Remote control / inching operation
• Kelude wear-resistant & dustproof package
High Dust | Impact Load | Liner Replacement
Scenario 2 — Hoisting & Transport
• Lifting capacity 16–50 t, explosion-proof overhead cranes + mining hoists
• Explosion Protection Class Ex d I
• Vertical transport of ore and materials
• Shaft equipment maintenance
• Variable Frequency Speed Control / smooth start-stop
• Kelude mining-duty explosion-proof system
Explosion-Proof Ex d I | Vertical Transport | Shaft Maintenance
Scenario 3 — Processing Plant
• Lifting capacity 10–50 t, QD/LD type overhead cranes
• Ball mill liner replacement
• Flotation / magnetic separation machine maintenance
• Slurry corrosion / anti-corrosion protection
• Humid environment / moisture-proof motors
• Kelude anti-corrosion & moisture-proof package
Corrosion / Humidity | Ball Mill Maintenance | Moisture-Proof Motors
Scenario 4 — Tailings Handling
• Lifting capacity 5–16 t, MH type / electric hoist
• Outdoor open-air operation
• Corrosion-resistant structural coating
• Wind-resistant design / weatherproofing
• Remote control operation
• Kelude outdoor anti-corrosion package
Outdoor Duty | Corrosion Resistance | Weatherproofing
• Wear-resistant / corrosion-resistant design
• Slurry environment / splash-proof
• Mobile for flexible maintenance
• Kelude provides wear-resistant and anti-corrosion solutions
Outdoor wear resistance | Slurry environment | Flexible mobility
Selection Parameter Comparison Across Four Zones
| Parameter Item | Crushing Section | Hoisting/Transportation | Concentrator | Tailings Handling |
|---|---|---|---|---|
| recommended model | LD/LH Typeoverhead type | explosion-proof overhead crane+Hoist | QD/LD Typeoverhead type | MH Type/Electric Hoist |
| Lifting Capacity | 10t~32t | 16t~50t | 10t~50t | 5t~16t |
| Explosion Protection Class | General Purpose Dustproof | Ex d I | General Purpose/Moisture-Proof | Outdoor/Abrasion-Resistant |
| special requirements | impact load | Vertical Transport | Corrosion/Humid | Abrasion-Resistant/Slurry |
| Kelude Scheme | Abrasion-Resistant Dustproof Kit | Mining Explosion-proof System | Anti-corrosion Moisture-Proof | Abrasion-Resistantanti-corrosion solution |
Crushing Plant Crane Challenges: Impact Loads & Heavy Dust
In the crushing plant, the primary lifting tasks involve maintenance of jaw crushers, cone crushers, and liner replacement. The intense impact and vibration generated during crushing demand cranes with high impact load resistance. Kelude's LD/LH type overhead cranes are equipped with reinforced buffers and wear-resistant, dustproof electrical control boxes. The hermetic motors (IP55) operate reliably in environments with dust concentrations up to 50 mg/m³.
Core crushing plant operations center on replacing crusher liners and flipping jaw plates (e.g., the GP200 cone crusher mantle liner weighs 1.2–1.8t and is replaced 1–2 times per year). Kelude recommends a 20/5t or 32/5t heavy-duty double-girder bridge crane (A6) with a span of 16–28m. The main hook handles crusher main shafts (5–10t) and drive assemblies (8–15t) during maintenance, while the auxiliary hook is used for liner replacement. Given the extremely high dust levels in crushing plants (50–100 mg/m³), motors are fully sealed to IP65, electrical control boxes feature air-filtered intakes, and wire ropes are hot-dip galvanized for corrosion resistance.
Corrosive Environments & Ball Mill Maintenance in Concentrators
Flotation processes in concentrators use reagents such as xanthates and sulfuric acid, making the slurry corrosive to equipment. Kelude recommends anti-corrosion coating (Epoxy Zinc-Rich Primer + Polyurethane Topcoat, ≥180 μm) and stainless steel electrical enclosures for concentrator cranes. Ball mill liner replacement is the most critical lifting operation in a concentrator. The QD type double-girder bridge crane (20t–50t) features variable frequency inching control, enabling precise replacement of individual liners weighing 0.5t–1.5t in coordination with an electric tilting platform.
Ball mill liners (each weighing 50–300 kg, 200–500 liners per mill) are replaced 1–2 times annually, making this the most frequent lifting task. Kelude recommends a 32/5t or 50/10t heavy-duty, corrosion-resistant crane (A6~A7). The main hook handles shell end cover removal (10–20t) and girth gear replacement (8–15t), while the auxiliary hook handles liner lifting. For flotation machine areas, an LD type single-girder corrosion-resistant crane (5–10t) is recommended, with span configured to match the flotation cell row width. Maintenance of magnetic separator shells (5–12t) also requires crane assistance.
Tailings Area & Plant-Wide Unified Crane Solutions
Cranes serving the tailings thickener and tailings storage facility must operate outdoors in all weather conditions. The MH type gantry crane is supplied with wear-resistant and corrosion-resistant treatment. Kelude provides unified crane solutions across the entire mineral processing flow — from crushing and grinding to beneficiation and tailings — with a standardized electrical control system and unified spare parts inventory.
For maintenance of tailings thickeners (center-drive type, 15–50m diameter, rake assembly 10–30t), Kelude recommends an MH type gantry crane (5–16t) with a span of 20–36m, used for sectional rake assembly lifting (2–5t per section) and center column replacement (5–8t). Because tailings slurry contains residual flotation reagents and mildly acidic water, the gantry crane features a triple-layer anti-corrosion system: hot-dip galvanized structural members + Epoxy Zinc-Rich Primer + Polyurethane Topcoat. Kelude recommends integrating all plant cranes into a unified management platform, offering full-process crane supply and maintenance services from crushing through tailings.
Kelude Service Advantages for Metal Mining Cranes
Kelude Heavy Industry has years of specialized experience in crane systems for the mining machinery sector, delivering complete lifting solutions for metal mines (iron, copper, gold, lead-zinc, etc.) across the entire processing flow — crushing, grinding, flotation, magnetic separation, and tailings. With heavy-duty, wear-resistant, and corrosion-resistant design & manufacturing capabilities, Kelude has served more than 50 metal mine projects across China.
