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1 Product Introduction
The High Efficiency Ore Thickener is an advanced, high-rate solid-liquid separation system engineered to optimize dewatering processes in modern mineral processing plants. Unlike conventional thickeners that rely solely on natural settling, this high-efficiency unit utilizes specialized deep-bed designs and optimized chemical conditioning to process vast quantities of ore slurry rapidly. It is primarily used for concentrate thickening before filtration and for pre-treatment of tailings before disposal. By producing an exceptionally dense underflow and highly clarified overflow, this equipment is crucial for maximizing plant throughput, reducing water footprint, and lowering overall operational costs.
2 Working Principle
The High Efficiency Ore Thickener operates on the principle of accelerated hindered settling and compression sedimentation
Dynamic Flocculation: The dilute ore slurry is first introduced into a specialized feedwell where it is dynamically mixed with high-performance flocculants. This causes the fine, suspended ore particles to agglomerate into large, heavy clusters almost instantly.
Deep Bed Feeding: The flocculated slurry is injected directly into the sludge blanket layer beneath the clarification zone. This "feed-into-bed" method forces the incoming material to pass through a filtering matrix of already settled solids, capturing smaller particles and preventing upward currents.
Compacted Sedimentation: As the heavy flocs accumulate at the bottom of the tank, the weight of the upper layers compresses the lower mud bed, squeezing out trapped interstitial water.
Separation and Removal: The displaced clean water rises smoothly to the surface and exits via peripheral overflow weirs for plant reuse. Meanwhile, high-torque rake arms continuously rotate to guide the highly compressed, thick ore paste toward the central discharge cone for pumping.
3 Product Features
Massive Unit Capacity: Delivers up to several times the processing capacity per unit area compared to traditional thickeners, significantly reducing the required equipment footprint and civil construction costs.
Exceptional Underflow Density: Achieves maximum solid concentration in the discharge slurry, which drastically cuts down the workload, energy consumption, and cycle times of downstream filtration or dry-stacking systems.
Precise Control Automation: Features a fully integrated control loop that monitors rake torque, bed level, and underflow density in real time, automatically adjusting the rake height and flocculant dosage to handle fluctuating ore feeds.
Robust High-Torque Drive: Equipped with a heavy-duty hydraulic or planetary multi-drive system featuring automatic lift capabilities to protect the rake mechanism from overloading during high-density mud accumulation.
Durable Wear Resistance: Built with heavy-gauge structural steel and lined with premium wear-resistant materials like rubber, polyurethane, or hard-facing alloys on all wet parts to ensure prolonged service life in harsh, abrasive mining environments.
Technical Specifications
Model |
Tank Diameter (mm) |
Tank Depth (mm) |
Settling Area (m²) |
Capacity (m³/h) |
DCT-3 |
3000 |
4400 |
21 |
60–70 |
DCT-6 |
6000 |
8800 |
85 |
210–260 |
DCT-9 |
9000 |
13500 |
310 |
570–700 |
DCT-12 |
12000 |
17500 |
510 |
800–1200 |
DCT-15 |
15000 |
19000 |
1200 |
1000–1500 |
DCT-18 |
18000 |
22000 |
2000 |
1400–2100 |
DCT-20 |
20000 |
22800 |
2700 |
2100–2600 |
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