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The diamond production line and process solution designs differentiated diamond beneficiation process according to the different characteristics of primary ore and alluvial ore. The primary ore adopts "segment crushing - stage separation" process, while the alluvial ore adopts "washing - screening - gravity separation jigging" process, with specialized rougher and concentrator equipment to realize efficient recovery of diamond.
Primary Ore Beneficiation Process
Three-stage crushing system:
Rough crushing (jaw crusher) to -50mm
Medium crushing (cone crusher) to -20mm
Fine crushing (high pressure roller mill) to -10mm
Stage jigging separation:
After each stage of crushing, a jigger is equipped to recover dissociated diamond in time.
Jigging tailings go to the next stage of crushing/grinding.
Grinding classification:
Ball mill and cyclone closed circuit grinding (to -2mm)
Jigging after classification to recover fine-grained diamonds
Alluvial beneficiation process
Washing and screening:
Rotary scrubber to remove clay
Vibrating screen classification (+5mm/-5mm)
Jigging roughing:
Small jigger for 0-10mm particles
Medium-sized jigger for 0-30mm particles
Oleomargarine Concentration:
Vibrating oil paste concentrator sorting
Get the final diamond concentrate
| Process type | Equipment Type | Recommended equipment | Technical Parameters |
|---|---|---|---|
| Primary Ore | Crushing equipment | Jaw crusher + impact crusher | Capacity 10-200t/h |
| Jigging equipment | Sawtooth wave jigger | Handling size 0-30mm | |
| Grinding equipment | Ball mill + cyclone group | Grinding fineness-2mm | |
| Alluvial Ore | Ore washing equipment | Rotary scrubber | Capacity 20-350t/h |
| Jigging equipment | 0-10mm/0-30mm special jigging machine | Processing capacity 5-50t/h | |
| Selection equipment | Vibrating oil paste concentrator | Oil belt width 600-1200mm |
High-efficiency recovery system
Segmented crushing + stage jigging ensures early and high recovery.
The recovery rate of oil paste concentrating can reach more than 95%.
Adapt to the recovery of 0.5-30mm whole grain size.
Economical and practical
Low running cost of jigger
Oleum beneficiation equipment investment saving
Energy consumption is only 1/3 of heavy media beneficiation.
Stable and reliable
Simple structure and low failure rate
Easy operation and maintenance
Adapt to all kinds of diamond deposits
Environmentally friendly
No chemical additives
Recycling of washing water
Oil paste can be reused
Program Design
Diamond beneficiation process design
Diamond beneficiation equipment selection and configuration
Diamond production line plant planning, drawing design
Production Support
Diamond equipment supply
Diamond beneficiation production line on-site installation and commissioning guidance
Operation training, staff training
For more detailed technical support of diamond beneficiation or diamond production line equipment selection, please contact us to provide you with diamond beneficiation program and quotation!



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