Double Impeller Leaching Agitation Tank
Application: Double impeller leaching agitation tank is commonly used for agitation leaching and carbon adsorption of slurry in cyanide, cip, cil gold extraction process.
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Introduction of Double Impeller Leaching Agitation Tank
Double impeller leaching agitation tank, is also called high efficiency agitation tank, mining agitator. It is a stirring equipment that forces the slurry to circulate up and down in the tank. The rotation of the impeller is mainly achieved by the motor through the pulley and the V-belt to stir the slurry and reagents evenly. It is commonly used in the CIP, CIL gold extraction and cyanidation process of gold mines, where the slurry with a mesh size of more than 90% is stirred and leached, and carbon adsorption is used.
Core Functions of Leaching Agitation Tank
- Gold cyanide leaching: Serving as the primary leaching equipment in Carbon-in-Pulp (CIP) and Carbon-in-Leach (CIL) processes, it facilitates thorough contact and reaction between gold-bearing minerals and sodium cyanide solution, thereby achieving the efficient dissolution of gold.
- Mineral adsorption operations: Used in conjunction with activated carbon, it enables the simultaneous adsorption of gold onto the carbon while leaching is in progress, thereby streamlining the overall process workflow.
- Non-ferrous hydrometallurgy: Applicable to acid or alkaline leaching operations for non-ferrous metals such as zinc, copper, and nickel; it provides a homogeneous slurry environment for subsequent solvent extraction or displacement stages.
- Reagent preparation and mixing: Utilized for the pre-mixing and preparation of reagents within mineral processing plants, ensuring the uniform dispersion of flotation or leaching agents and enhancing reagent utilization efficiency.
Principle & Structure of Double Impeller Leaching Agitation Tank
Working principle
Under the rotation and stirring of the double impeller, the ore pulp moves downward along the damping plate and diffuses. The air enters the tank from the lower end of the shaft and mixes with the ore pulp to form a uniform suspension mixture.
- If the machine is used as a leaching tank, the leaching agent solution and air are loaded into the tank, and the leaching agent and air are evenly distributed in the tank to leach gold.
- If the machine is used as an adsorption tank, activated carbon or other substances with strong adsorption capacity are loaded into the tank to adsorb the gold dissolved in the solution.
Structural Characteristics
- Tank Structure: Constructed of thickened carbon steel or stainless steel, lined with anti-corrosion rubber or a polymer coating, resistant to acid and alkali corrosion.
- Upper Impeller (Main Impeller): Large-diameter blade design generates strong radial flow, ensuring thorough mixing of minerals and reagents.
- Lower Impeller (Auxiliary Impeller): Installed near the bottom of the tank to prevent sedimentation and create axial circulation.
- Motor and Reducer: A variable frequency motor is preferred, allowing for stepless speed adjustment to adapt to different slurry concentrations.
why choose JXSC Double Impeller Leaching Agitation Tank
features & Advantages
1. Excellent leaching efficiency: The combination of dual-impeller three-dimensional circulation and forced oxygenation ensures more thorough contact between the mineral slurry and reagents, boosting the gold leaching rate to over 95%.
2. Durable structure: Key components—such as the impeller and shaft liner—are constructed from wear-resistant alloys or feature rubber coatings, ensuring a long service life and low maintenance frequency.
3. Customizable configuration: Parameters such as tank volume, impeller diameter, and motor power can be flexibly customized based on the processing capacity of the beneficiation plant. The JXSC leaching mixing tank can support multiple units connected in series or in parallel to meet various scales of leaching and beneficiation needs.
4. Uniform slurry suspension: The dual-layer upper and lower agitation system prevents sand accumulation at the tank bottom, ensuring uniform suspension throughout the entire tank—even with high-concentration slurries.
5. Significant energy savings: Featuring a large-diameter impeller, it achieves optimal mixing results at low rotational speeds, resulting in significantly reduced power consumption.
6. Compact structure: The motor, reducer, and bearing housing are arranged axially, saving workshop space.
models & specifications
| Model | Specifications (mm） Size of the tank DxH | Effective capacity(m3) | Rotary Speed of Impeller(r/min) | Diameter of Impeller(mm) | Diameter of feeding pipe（mm) | Diameter of Discharging pipe（mm) | Planet cycloid reducing motor | Weight(kg) | ||
| Model | Speed ratio | Motor Power(kw) | ||||||||
| φ2.5×2.5 | 2500×2500 | 6 | 65 | 800 | 2-φ133 | 2-φ133 | XLD2.2-4-29 | 29 | 2.2 | 2800 |
| φ2.5×3.15 | 2500×3150 | 13 | 57 | 935 | 2-φ125 | 2-φ125 | XLD2.2-4-29 | 29 | 2.2 | 3120 |
| φ3×3.15 | 3000×3150 | 18.93 | 51 | 1130 | 2-φ150 | 2-φ150 | XLD4-5-35 | 35 | 4 | 5300 |
| φ3.15×3.55 | 3150×3550 | 24 | 43 | 1260 | 2-φ150 | 2-φ150 | XLD4-5-35 | 35 | 4 | 5488 |
| φ3.5×3.5 | 3500×3500 | 29 | 46 | 1310 | 2-φ150 | 2-φ150 | XLD5.5-5-29 | 29 | 5.5 | 7820 |
| φ3.55×4.0 | 3500×4000 | 35 | 36.3 | 1310 | 2-φ150 | 2-φ150 | XLD4-5-35 | 35 | 4 | 6646 |
| φ4.0×4.5 | 4000×4500 | 50 | 33.5 | 1500 | 2-φ150 | 2-φ150 | XLD7.5-7-43 | 43 | 7.5 | 8285 |
| φ4.5×5.0 | 4500×5000 | 71.67 | 33.5 | 1750 | 2-φ159×6 | 2-φ159×6 | XLD7.5-7-43 | 43 | 7.5 | 10800 |
| φ5.0×5.6 | 5000×5600 | 98 | 31 | 1900 | 2-φ159×8 | 2-φ159×8 | XLD11-8-47 | 47 | 11 | 13340 |
| φ5.5×6.0 | 5500×6000 | 112 | 31 | 2100 | 2-φ159×8 | 2-φ159×8 | XLD11-8-47 | 47 | 11 | 18745 |
| φ7.5×8.0 | 7500×8000 | 268.6 | 21 | 2900 | 2-φ159×8 | 2-φ159×8 | XLD22-10-47 | 47 | 22 | 32796 |
| φ8.0×8.0 | 8000×8500 | 342 | 16.4 | 3200 | 2-φ159×8 | 2-φ159×8 | XLD22-11-59 | 59 | 22 | 42467 |
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