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Extraction device and method

An extraction device and extraction tank technology, which is applied in solvent extraction, separation methods, chemical instruments and methods, etc., can solve the problems of small footprint and achieve the effects of small footprint, reduced footprint, and reduced back-mixing

Active Publication Date: 2016-11-23
QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the deficiencies in the prior art, the object of the present invention is to provide an extraction device and an extraction method. The extraction device better realizes the integrated structure of the mixing chamber and the clarification chamber, and solves the problems of light phase, heavy phase and gas phase in the mixing chamber. Separation problem, small footprint, can handle large flow of aqueous solution containing the target to be separated and reduce back-mixing in the high-level extraction tower

Method used

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  • Extraction device and method
  • Extraction device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0089] Example 1: Extraction unit comprising a mixing and clarification extraction tank

[0090] An extraction device comprising a mixing and clarification extraction tank, such as figure 1 shown. The mixing and clarifying extraction tank 1 includes a mixing chamber 2 , a clarifying chamber 13 , an organic liquid film generator 3 , a three-phase separation device 11 and a liquid distributor 8 .

[0091] The mixing chamber 2 is a container with an internal cavity, and 1-N organic liquid film generators 3 (N is a positive integer, and N≥1) are fixedly installed in the bottom of the mixing chamber 2, and the organic liquid film generators 3 pass through the gas phase Connect the air inlet 15 and the light phase input port 16 with the light phase distribution pipeline; the lower part or bottom of the mixing chamber 2 is provided with one or several heavy phase discharge ports 4, and the heavy phase discharge port 4 is preferably arranged on the adjacent organic Between the liqui...

Embodiment 2

[0098] Example 2: Three-stage mixing and clarification large phase extraction device

[0099] A three-stage mixing and clarification large phase extraction device, such as Figure 4 shown. The three-stage mixing and clarifying large-phase extraction device includes: a three-stage mixing and clarifying extraction system, a heavy phase conveying system, a light phase conveying system, a gaseous phase conveying system, an interstage heavy phase regulating pipeline 25, an interstage light phase regulating pipeline 26 and interstage light phase overflow pipeline 27.

[0100] The three mixing, clarifying and extracting tanks 1 are vertically stacked with the ground as the horizontal plane, and supported by supports to form a three-stage mixing, clarifying and extracting system. The bottom mixed and clarified extraction tank 1 is the first-stage extraction tank, the upper layer of mixed and clarified extraction tank 1 is the second-stage extraction tank, and the upper layer of mixe...

Embodiment 3

[0117] Example 3: Utilize the three-stage mixing and clarification provided in Example 2 to extract Y, Sm, Eu and other elements in the tailing liquid of rare earth leaching

[0118] Taking a rare earth leaching tailing liquid as the heavy phase, the input flow rate is 10t / h, the light phase is saponified P507-kerosene solution, the input flow rate is 0.5t / h, the gas flow rate is 150L / h, and the heavy phase and light phase loads are 20 . The height of the single-stage mixing and clarifying extraction tank 1 is 3 meters, the total tower height after including the heavy phase storage tank 34 and the light phase storage tank 44 is about 12 meters, and the cross-sectional area of ​​the mixing chamber 2 is 1 m 2 , the total volume of the mixing chamber 2 of the single-stage mixing and clarifying extraction tank 1 is about 3m 3 , clarification chamber 13 sectional area 0.18m 2 , the total volume is about 0.45m 3 .

[0119] Taking the measurement results of element Y concentratio...

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Abstract

The invention provides an extraction device and method. A mixed settler extractor comprises a mixing chamber, an organic liquid film generator, a gas-liquid separation device and a liquid-liquid coalescence separation device. The mixing chamber is provided with a heavy phase input port and a first heavy phase discharge port. The organic liquid film generator is connected with the mixing chamber and provided with a light phase input port and a gas inlet. The gas-liquid separation device is connected with the mixing chamber. The liquid-liquid coalescence separation device is connected with the gas-liquid separation device and provided with a liquid inlet, a first light phase discharge port and a second heavy phase discharge port. The extraction device can be provided with no clarifying chamber, the integrated structure of the mixing chamber and the clarifying chamber is well achieved, the problem of heavy phase liquid distribution uniformity of a mixing chamber and the problem about light phase, heavy phase and gas phase separation of the mixing chamber are solved, the occupied area is small, energy consumption is low, a high-flow water solution containing a to-be-separated target object can be treated, and back-mixing of a high-position extraction tower can be relieved.

Description

technical field [0001] The invention belongs to the technical field of chemical extraction and separation, and relates to an extraction device and an extraction method, in particular to a tower-type multi-stage mixing and clarification large phase extraction device and an extraction method. Background technique [0002] Extraction is an efficient industrial separation and extraction technology, which has the advantages of high selectivity, high separation efficiency, easy operation, strong material applicability, low energy consumption, etc., and is widely used in petroleum, chemical, pharmaceutical, metallurgy, environmental protection, Bioengineering and new materials preparation and other fields. Equipment and methods around different extraction and separation materials, separation processes, energy consumption reduction and efficient operation emerge in endlessly. [0003] Existing industrial extraction devices can be divided into three categories, mixing and clarifying...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D11/04C22B3/02C22B3/26
CPCB01D11/0426C22B3/02C22B3/26Y02P10/20
Inventor 吴怀之黄焜刘会洲
Owner QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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