Mining Equipment Supply & Sourcing
Substandard or under-sized mining equipment leads to catastrophic gear failures, liner burn-out, and continuous operational downtime.
Every item in our catalogue is sourced from ISO-certified heavy machinery manufacturers, equipped with high-efficiency WEG/ABB electric drive motors, SKF/Timken heavy-duty bearings, and manganese/high-chrome wear alloys.
Our mechanical engineers provide complete support: dynamic foundation calculation, civil bolt layouts, on-site crane rigging, laser alignment, lubrication setup, and operator training.
- Machinery Categories
- 6 Core Families (Crushing to Doré Bullion Smelting)
- Motors & Drives
- High Efficiency (WEG / ABB Premium Motors)
- Bearings & Gearing
- Heavy Duty Spec (SKF / Timken & Alloy Girth Gears)
- Warranty & Support
- 12-Month Guarantee (On-Site Commissioning Included)
Visual Assets & Field Records — Mining Equipment Supply & Sourcing
Inspect high-resolution mechanical assemblies, 3D CAD flowsheets, on-site construction rigging, and diagnostic testing apparatus. Click any record to zoom up to 2.5x with full pixel clarity.
Machinery Staging & Assembly Bay
Staging facility for primary jaw crushers, rotary ball mills, and skid-mounted electrowinning and gravity recovery units.
Grinding Ball Mill Assembly
Continuous-duty ball mill featuring high-chromium alloy liner plates, trunnion bearing lubrication, and heavy pinion drive.
Centrifugal Gravity Concentrators
High-G centrifugal concentrators engineered for capturing fine free-milling gold particles ahead of cyanidation.
Motor Control Centers (MCC)
Variable Frequency Drive (VFD) starter cabinets and power management systems for crushing and milling motors.
Technical Scope & Certified Deliverables
Crushing & Sizing Machinery
- Heavy-Duty Jaw CrushersPE / PEX Series
Deep-chamber design with manganese jaw plates for Run-of-Mine ore primary reduction to < 40 mm.
- Secondary Cone & Impact CrushersHydraulic / Spring
Precision secondary reduction delivering fine mill-feed (< 12 mm) with maximum cubical shape.
- Vibrating Grizzly & Sizing ScreensPolyurethane / Wire Mesh
Multi-deck classification separating oversize ore for closed-circuit re-crushing.
Grinding & Classification
- Continuous Wet Grinding Ball MillsGrate / Overflow Discharge
Heavy steel shell with rubber/chrome liners reducing ore to 80% passing 74 µm (200 mesh).
- Hydrocyclone Classification ClustersPolyurethane Lined
Radial manifold clusters ensuring sharp separation between fine overflow and coarse underflow.
Extraction, Leaching & Smelting
- CIL / CIP Agitator Mechanism UnitsDual Hydrofoil Impellers
High-torque gearboxes maintaining uniform slurry suspension with minimal carbon attrition.
- Zadra / Anglo Elution & Electrowinning PackagesASME Section VIII
High-pressure, high-temperature desorption units stripping gold from loaded carbon in 8–12 hours.
- Electric Induction Gold Smelting FurnacesIGBT Inverter Tech
Rapid smelting of gold sludge cathodes into 95%+ pure doré bullion bars at 1,200°C.
Core Competency Register
- Primary & secondary jaw crushers, impact crushers, and cone crushers
- Rotary ball mills, SAG mills, and rod mills with high-chrome liner assemblies
- Vibrating sizing screens (inclined, horizontal, and banana high-capacity decks)
- Hydrocyclone classification clusters and polyurethane-lined manifold splitters
- Carbon-in-Leach (CIL) and Carbon-in-Pulp (CIP) dual-impeller mechanical agitators
- Stainless-steel interstage carbon screens and carbon transfer recessed-impeller pumps
- Desorption elution columns, heat exchangers, and electrowinning cells
- High-temperature induction gold smelting furnaces and bullion pour tables
Phase-by-Phase Execution Pathway
Duty Requirement & Flowsheet Sizing
Calculate exact power, throughput, reduction ratio, and slurry residence time required.
- Equipment Sizing Worksheet
- Power Consumption Estimate
Procurement, Sourcing & Factory Inspection
Manufacture and test equipment under certified ISO quality control with factory witness testing.
- Factory Acceptance Test (FAT) Report
- Material Test Certificates
Logistics, Port Clearance & Site Delivery
Coordinate maritime shipping, customs clearance, and heavy overland transport to mine site.
- Bill of Lading Archive
- Site Receipt Inspection Report
Civil Mounting, Alignment & Cold/Hot Run
Bolt onto dynamic foundations, perform laser shaft alignment, and conduct 72-hour load testing.
- Laser Alignment Log
- 72-Hour Load Run Certificate
- Operator Manuals & Spares List
Design Criteria & Technical Parameters
| Engineering Parameter | Standard Design Criteria | Application & Notes |
|---|---|---|
| Jaw Crusher Capacity Range | 10 – 350 tonnes per hour (tph) | Feed sizes from 200 mm to 800 mm ROM |
| Ball Mill Dimensions & Power | Ø1.5m x 3.0m up to Ø3.2m x 6.5m (45 kW – 800 kW) | Girth gear driven with auxiliary inching drive |
| Slurry Pump Wetted Parts Alloy | High-Chrome (27% Cr, 60–65 HRC) or Natural Rubber | Resists extreme slurry abrasion and chemical corrosion |
| Gold Smelting Induction Furnace Power | 15 kW – 50 kW (10 kg – 50 kg crucible capacity) | Smelts cathode sludge to bullion in 20–30 minutes |
Frequently Answered Engineering Questions
Can Green Ngoria supply complete plant packages on structural steel skids?
Yes. We build modular, skid-mounted gold processing plants (crushing, milling, and gravity/CIL modules) that allow rapid on-site erection with minimal civil foundation works.
What warranties are provided with heavy mining machinery?
All new machinery carries a standard 12-month manufacturer warranty from commissioning date, supported by Green Ngoria spare parts inventory and technical maintenance engineers.
How do I request a formal equipment quotation?
Use our digital RFQ builder at /request-rfq, specify your required equipment categories, target daily capacity, and project location, and our engineers will issue a line-item quotation.
Tell us what you need built, processed or supplied
Send the scope, quantities and delivery location and the enquiry reaches the right division. For an installed circuit, a technical plant assessment is the faster route.
Customer care & enquiries
Director lines & emails: Leadership Profiles →
Tatu City, Kijani Ridge, Nairobi, Kenya