Introduction
The mining thickener is a critical equipment in the ore beneficiation operation, playing a vital role in enhancing process efficiency and effectively managing tailings. Also known as a clarifier or sedimentation tank, a concentrator is a large-scale settling tank used in mineral processing operations, designed to separate solids from liquids, effectively concentrating solids and recovering valuable minerals. The concentrator utilizes gravity settling to facilitate the separation process.
Applications
Thickener are continuous working concentration clarification devices, primarily used in ore beneficiation tailings, filtrate concentration, wastewater treatment, and other liquid-solid separation processes. In ore processing plants, concentrators are widely utilized for the concentration of pulps and tailings, enabling the recycling of process water and dewatering of concentrates prior to filtration. Thickener can be widely applied in the treatment of sludge, wastewater, and waste slag in industries such as metallurgy, mining, coal, chemical, construction materials, and environmental protection.
DESEN CASE - GOLD CIP PLANT
Concentrators are important equipment for dewatering, de-gumming, and washing in the cyanidation process of gold ore beneficiation. The cyanide plant requires multiple concentrators to carry out the de-gumming and washing operations. The underflow slurry concentration and slurry processing capacity are two important production indicators of concentrators. As a core equipment in the slurry concentration process, the concentrator is an important ore processing and buffering facility. Since the underflow concentration and flow rate of the concentrator are directly related to the production indicators of related workshops such as the flotation plant and ball mill workshop, the concentrator plays a crucial role in the production process of ore dressing plants.
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A typical thickener comprises a concentration tank, mud scraper, drive device, mud scraping frame lifting device, feeding device, discharging device, and safety signaling device. Its main operational feature involves adding a certain amount of flocculant to the slurries to form flocs, accelerating their settling rate, thereby enhancing concentration efficiency.
nZ(S) Center drive thickener
NZ(S)(also called THZ) thickener is a center driven type,which is traditional thickening equipment with a longapplication history.In less than 12m of diameter,the thickener is based on the manual handle type, in more than12m of diameter ,the thickener usually adopts the electric handle type.The large-scale thickener is usuallyarranged with a concrete tank.There are overloaded indicating or alarming devices.
NG Peripheral Traction Thickener
NG thickener is a kind of the peripheral traction thickener based on the running roller type.
The large-scale thickener usually adopts such type of the peripheral traction way.
In the event of slipping of running roller in the overloading status,no special safety device is required. The tankis usually made of concrete.in order to charge the motor,the annular nodes are arranged on the centrasupport,the annular nodes of collection joints are connected with the rake.The current is introduced to themotor through these ioints of the cable on the rake.
GX high efficiency Thickener
GX high efficiency thickener is a kind of a high efficiency thickener in case that no flocculent agent is added. Compared with the common thickener, it has the following structural features: long receiving unit in the middle; no large diameter of receiving tray at the bottom; uniform, stable feeding.
A getter storage tank is arranged to eliminate air bubbles in the ore pulp, which its handling capacity is large and the underflow concentration is high.
Advantages
- Water Recovery: Concentrators play a crucial role in effectively separating solids from slurries, contributing significantly to water recovery. This helps conserve water resources and reduce the environmental impact of mining operations.
- Optimized Downstream Processes: Concentrate underflows from concentrators contain a higher proportion of valuable minerals. This optimized slurry can be directly used in downstream processes such as filtration or flotation, thereby improving efficiency and reducing processing costs.
- Tailings Management: Concentrators aid in the management of tailings (waste generated during the beneficiation process). By concentrating solids, concentrators reduce the volume of tailings, making their disposal and storage more manageable and environmentally responsible.
In mineral processing, the mechanism of the concentrator is a critical component for effectively separating, concentrating, and recovering valuable minerals. Concentrators help conserve water, optimize downstream processes, and promote responsible tailings management. Understanding the complexity of thickening mechanisms is vital for seeking to improve overall efficiency and environmental sustainability in mining operations.
NZ(S) Center Drive Thickener Technical Parameters
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|
Model |
Pond for concentration |
Sediment area (m^ ) |
Rotating speed of rake ( r/min) |
Production capacity ( t/d) |
Transmission Motor |
Rotating Speed ( r/min) |
Dimension (L*W*H) |
Weight ( kg) |
||
|
Diameter ( m) |
Depth ( m) |
Model |
Power (kW) |
|||||||
|
NZ-1.8 |
1.8 |
1.8 |
2.55 |
0.5 |
1.3-5.6 |
Y90L- -6 |
1.1 |
910 |
2000*1960*2900 |
1490 |
|
NZ-3.6 |
3.6 |
1.8 |
10.2 |
0.4 |
5- -24 |
Y90L- -6 |
1.1 |
910 |
3917*3787*3194 |
2875 |
|
NZ- 6 |
6 |
3 |
28 |
0.3 |
14- -62 |
Y90S-4 |
1.1 |
1430 |
6170*5170*5153 |
8575 |
|
NZ- 9 |
9 |
3 |
63.5 |
0.26 |
32-150 |
Y132S- -6 |
3 |
960 |
10000*10000*5337 |
5370 |
|
NZ-12 |
12 |
3.5 |
113 |
0.19 |
<250 |
Y132S- -6 |
3 |
960 |
15500*12000*6625 |
8880 |
|
NZ-15 |
15 |
3.6 |
176 |
0.113 |
≤390 |
Y132M,- -6 |
5.5 |
940 |
17240* 16000*7500 |
10557 |
|
NZ-18 |
18 |
3.6 |
250 |
0.1 |
≤552 |
Y132M-6 |
5.5 |
940 |
19700* 18860*7650 |
12338 |
NG Peripheral Traction Thickener Technical Parameters
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|
Model |
Tank diameter(mm) |
Tank center depth(mm) |
Capacity(t/h) |
Sediment area(m²) |
Motor model |
Motor Power(kw) |
Weight (kg) |
|
NG-15 |
15000 |
3500 |
390 |
177 |
Y132M-6 |
5.5 |
9120 |
|
NG-18 |
18000 |
3500 |
560 |
255 |
Y132M-6 |
5.5 |
10564 |
|
NG-24 |
24000 |
3400 |
1000 |
452 |
Y160M-6 |
7.5 |
24000 |
|
NG-30 |
30000 |
3940 |
1560 |
707 |
Y160M-6 |
7.5 |
26420 |
|
NG-45 |
45000 |
5060 |
2400 |
1590 |
Y160L-6 |
11 |
50640 |
GX High Efficiency Thickener Technical Parameters
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|
Model |
Inner diameter of tank (mm) |
Height of tank(mm) |
Sediment area (m²) |
Rotating speed of rake (r/min) |
Lifting height of rake(mm) |
Driving motor model |
Driving motor power(kw) |
Lifting motor model |
Lifting motor power(kw) |
Weight of steel tank(kg) |
Weight(kg) |
|
GX-3.6 |
3600 |
1700 |
10.2 |
1.1 |
200 |
Y100L-6 |
1.1 |
PZ0.8AB |
0.8 |
2829 |
6650 |
|
GX-5.18 |
5182 |
2134 |
21 |
0.8 |
300 |
Y132M-6 |
4 |
PZ0.8AB |
0.8 |
5340 |
10460 |
|
GX-7.5 |
7500 |
2800 |
44.1 |
0.427 |
300 |
Y132M-6 |
5.5 |
Y132S-8 |
2.2 |
10258 |
17320 |
|
GX-9 |
9000 |
2800 |
63.6 |
0.427 |
300 |
Y132M-6 |
5.5 |
Y132S-8 |
2.2 |
15980 |
23680 |
|
GX-12 |
12000 |
3600 |
110 |
0.35 |
300 |
Y132M-4 |
7.5 |
Y100L-4 |
2.2 |
25589 |
42756 |
|
GX-15 |
15000 |
4000 |
177 |
0.15 |
300 |
YCT200-4B |
7.5 |
Y112M-6 |
2.2 |
36050 |
59000 |
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