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20L PVC pilot extraction tank

Equipment introduction

Mixing-clarifying extractors are widely used in the separation and purification of metals in hydrometallurgical solvent extraction. It is composed of a mixing chamber which continuously feeds and agitates and a clarifying chamber which relies on gravity to separate the phases of the liquid.


In practice, multi-level series is often used to achieve deep separation of the object. Under certain technological conditions, the mass transfer efficiency of the mixing chamber is related to the mixing strength of the stirring paddle and the contact time of the two phases, while the clarifying effect is related to the viscosity, density, surface tension, droplet diameter, clarifying area and clarifying time of the two phases.

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结构示意图

Working process

Hybrid mass transfer process

The extractant and the material liquid enter the submerged chamber or the bushing tube from the bottom of the extraction tank in a certain proportion, and are pumped to the mixing chamber and shear mixed and dispersed by the wheeled stirring paddle. At this time, the two-phase liquid is fully mixed, so that the solute is transferred from one phase liquid to another phase liquid, thus completing the mixed mass transfer process.

Separation process

The mixture flows from the mixing chamber to the clarifying chamber. Due to the different density of the two phases, the separation of the two phases is completed under the action of gravity, and the two phases of the separated liquid flow out or enter the next level through the light and heavy phase weir respectively.

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剖面示意图

peculiarity
Simple structure: the extraction tank is generally composed of a tank body, an interface regulating tube, a motor reducer, a stirring shaft, a stirring paddle, a governor, a mobile platform, etc., and the structure is relatively simple;

♦ Stable operation and strong adaptability: due to the large volume of the extraction tank and the large amount of liquid storage, it can adapt to a certain range of material and liquid fluctuations, and the operation is relatively stable and strong adaptability after adjustment and balance;

♦ Reliable amplification: Design parameters such as single-stage extraction rate are still more reliable after amplification.

Application field

Copper extraction

Rare earth extraction separation

Nickel-cobalt extraction

Extraction of rare and precious metals

Nuclear industry

Technical parameters (experimental type)

型号

混合室体积(ml)

澄清室体积(ml)

通量(L/h)

电机功率(W)

进出口管径

单槽外形尺寸
长×宽×高 (mm)

MCG-300

300

900~1200

1~5

20

Ø10

335×92×100

MCG-500

500

1500~2000

3~10

20

Ø12

434×96×116

MCG-1000

1000

3000~4000

5~20

20

Ø12

580×116×149

MCG-2000

2000

6000~8000

10~40

60

Ø16

715×145×176

MCG-5000

5000

15000~20000

20~100

90

DN15

936×194×240

MCG-10000

10000

30000~40000

40~200

120

DN20

1380×250×300

说明:

1, the table for the experimental type commonly used specifications, can also be customized according to customer requirements, industrial extraction tank can be customized according to the processing capacity, compared and other process requirements;

2, the commonly used materials of experimental extraction tank are PP, PMMA, transparent PVC, PTFE.

Model M- mixed English initials C- Extracted English initials G- Gravity clarified.

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